/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound100.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 21:37:45,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 21:37:45,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 21:37:45,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-02 21:37:45,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-02 21:37:45,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-02 21:37:45,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-02 21:37:45,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-02 21:37:45,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-02 21:37:45,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-02 21:37:45,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-02 21:37:45,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-02 21:37:45,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 21:37:45,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 21:37:45,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 21:37:45,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 21:37:45,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 21:37:45,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 21:37:45,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 21:37:45,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 21:37:45,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 21:37:45,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 21:37:45,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 21:37:45,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 21:37:45,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-02 21:37:45,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 21:37:45,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 21:37:45,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 21:37:45,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-02 21:37:45,530 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 21:37:45,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 21:37:45,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 21:37:45,532 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 21:37:45,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 21:37:45,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 21:37:45,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 21:37:45,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 21:37:45,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 21:37:45,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 21:37:45,533 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 21:37:45,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 21:37:45,533 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 21:37:45,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 21:37:45,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 21:37:45,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 21:37:45,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-02 21:37:45,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 21:37:45,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 21:37:45,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 21:37:45,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 21:37:45,535 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-02 21:37:45,535 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 21:37:45,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 21:37:45,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 21:37:45,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 21:37:45,798 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 21:37:45,801 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 21:37:45,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound100.c [2021-05-02 21:37:45,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04faeadd1/03714182c19e415b9e3222fcc6e9c32f/FLAGa0659b793 [2021-05-02 21:37:46,152 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 21:37:46,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound100.c [2021-05-02 21:37:46,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04faeadd1/03714182c19e415b9e3222fcc6e9c32f/FLAGa0659b793 [2021-05-02 21:37:46,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04faeadd1/03714182c19e415b9e3222fcc6e9c32f [2021-05-02 21:37:46,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 21:37:46,584 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-02 21:37:46,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 21:37:46,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 21:37:46,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 21:37:46,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 09:37:46" (1/1) ... [2021-05-02 21:37:46,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@483dcc64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 09:37:46, skipping insertion in model container [2021-05-02 21:37:46,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 09:37:46" (1/1) ... [2021-05-02 21:37:46,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 21:37:46,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 21:37:46,692 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound100.c[573,586] [2021-05-02 21:37:46,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 21:37:46,712 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 21:37:46,720 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound100.c[573,586] [2021-05-02 21:37:46,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 21:37:46,731 INFO L208 MainTranslator]: Completed translation [2021-05-02 21:37:46,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 09:37:46 WrapperNode [2021-05-02 21:37:46,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 21:37:46,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 21:37:46,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 21:37:46,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 21:37:46,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 09:37:46" (1/1) ... [2021-05-02 21:37:46,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 09:37:46" (1/1) ... [2021-05-02 21:37:46,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 09:37:46" (1/1) ... [2021-05-02 21:37:46,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 09:37:46" (1/1) ... [2021-05-02 21:37:46,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 09:37:46" (1/1) ... [2021-05-02 21:37:46,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 09:37:46" (1/1) ... [2021-05-02 21:37:46,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 09:37:46" (1/1) ... [2021-05-02 21:37:46,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 21:37:46,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 21:37:46,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 21:37:46,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 21:37:46,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 09:37:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 21:37:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 21:37:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 21:37:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 21:37:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-02 21:37:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 21:37:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 21:37:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 21:37:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 21:37:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 21:37:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 21:37:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-02 21:37:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-02 21:37:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 21:37:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 21:37:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 21:37:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 21:37:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 21:37:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 21:37:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 21:37:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 21:37:47,087 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 21:37:47,087 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-02 21:37:47,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 09:37:47 BoogieIcfgContainer [2021-05-02 21:37:47,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 21:37:47,089 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-02 21:37:47,089 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-02 21:37:47,089 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-02 21:37:47,091 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 09:37:47" (1/1) ... [2021-05-02 21:37:47,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 09:37:47 BasicIcfg [2021-05-02 21:37:47,121 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-02 21:37:47,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 21:37:47,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 21:37:47,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 21:37:47,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 09:37:46" (1/4) ... [2021-05-02 21:37:47,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590646fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 09:37:47, skipping insertion in model container [2021-05-02 21:37:47,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 09:37:46" (2/4) ... [2021-05-02 21:37:47,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590646fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 09:37:47, skipping insertion in model container [2021-05-02 21:37:47,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 09:37:47" (3/4) ... [2021-05-02 21:37:47,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590646fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 09:37:47, skipping insertion in model container [2021-05-02 21:37:47,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 09:37:47" (4/4) ... [2021-05-02 21:37:47,125 INFO L111 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound100.cJordan [2021-05-02 21:37:47,129 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-02 21:37:47,131 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 21:37:47,144 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 21:37:47,164 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 21:37:47,164 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-02 21:37:47,164 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-02 21:37:47,164 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 21:37:47,164 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 21:37:47,164 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 21:37:47,164 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 21:37:47,165 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 21:37:47,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-05-02 21:37:47,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-05-02 21:37:47,182 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:47,182 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:47,182 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:47,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:47,186 INFO L82 PathProgramCache]: Analyzing trace with hash 734203501, now seen corresponding path program 1 times [2021-05-02 21:37:47,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:47,193 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613123574] [2021-05-02 21:37:47,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:37:47,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 21:37:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:37:47,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 21:37:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:37:47,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 21:37:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:37:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:47,390 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:47,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613123574] [2021-05-02 21:37:47,390 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613123574] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 21:37:47,390 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 21:37:47,390 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-02 21:37:47,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711002586] [2021-05-02 21:37:47,395 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-02 21:37:47,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:47,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-02 21:37:47,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 21:37:47,411 INFO L87 Difference]: Start difference. First operand has 30 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 21:37:47,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:47,468 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2021-05-02 21:37:47,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-02 21:37:47,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2021-05-02 21:37:47,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:47,474 INFO L225 Difference]: With dead ends: 31 [2021-05-02 21:37:47,474 INFO L226 Difference]: Without dead ends: 26 [2021-05-02 21:37:47,475 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 40.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 21:37:47,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-05-02 21:37:47,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-05-02 21:37:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-02 21:37:47,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-05-02 21:37:47,495 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 22 [2021-05-02 21:37:47,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:47,495 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-05-02 21:37:47,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 21:37:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-05-02 21:37:47,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-05-02 21:37:47,496 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:47,497 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:47,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 21:37:47,497 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:47,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:47,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1669026344, now seen corresponding path program 1 times [2021-05-02 21:37:47,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:47,498 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687992024] [2021-05-02 21:37:47,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:47,509 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:47,509 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [218306591] [2021-05-02 21:37:47,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:37:47,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjunts are in the unsatisfiable core [2021-05-02 21:37:47,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:47,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:47,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:47,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:47,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:47,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:47,760 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:47,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687992024] [2021-05-02 21:37:47,760 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:47,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218306591] [2021-05-02 21:37:47,760 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218306591] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 21:37:47,760 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 21:37:47,760 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-02 21:37:47,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005178048] [2021-05-02 21:37:47,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-02 21:37:47,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:47,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-02 21:37:47,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-02 21:37:47,762 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 21:37:47,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:47,774 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2021-05-02 21:37:47,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-02 21:37:47,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2021-05-02 21:37:47,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:47,775 INFO L225 Difference]: With dead ends: 27 [2021-05-02 21:37:47,775 INFO L226 Difference]: Without dead ends: 27 [2021-05-02 21:37:47,775 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-02 21:37:47,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-05-02 21:37:47,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-05-02 21:37:47,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-02 21:37:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2021-05-02 21:37:47,778 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 23 [2021-05-02 21:37:47,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:47,779 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-05-02 21:37:47,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 21:37:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-05-02 21:37:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-05-02 21:37:47,780 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:47,780 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:48,001 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-05-02 21:37:48,001 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:48,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:48,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1667953868, now seen corresponding path program 1 times [2021-05-02 21:37:48,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:48,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558385528] [2021-05-02 21:37:48,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:48,026 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:48,026 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [792198394] [2021-05-02 21:37:48,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:37:48,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-02 21:37:48,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:48,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:48,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:48,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:48,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-02 21:37:48,207 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:48,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558385528] [2021-05-02 21:37:48,207 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:48,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792198394] [2021-05-02 21:37:48,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792198394] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:48,207 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:48,207 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-05-02 21:37:48,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225884305] [2021-05-02 21:37:48,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-02 21:37:48,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:48,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-02 21:37:48,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-05-02 21:37:48,208 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 21:37:48,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:48,283 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2021-05-02 21:37:48,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-02 21:37:48,284 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2021-05-02 21:37:48,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:48,286 INFO L225 Difference]: With dead ends: 35 [2021-05-02 21:37:48,286 INFO L226 Difference]: Without dead ends: 35 [2021-05-02 21:37:48,286 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 38.5ms TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-05-02 21:37:48,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-05-02 21:37:48,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2021-05-02 21:37:48,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-02 21:37:48,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2021-05-02 21:37:48,298 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 23 [2021-05-02 21:37:48,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:48,298 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2021-05-02 21:37:48,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 21:37:48,298 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2021-05-02 21:37:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-05-02 21:37:48,299 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:48,299 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:48,508 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:48,509 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:48,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:48,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1179905874, now seen corresponding path program 1 times [2021-05-02 21:37:48,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:48,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041660895] [2021-05-02 21:37:48,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:48,517 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:48,518 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [444107285] [2021-05-02 21:37:48,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:37:48,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-02 21:37:48,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:48,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:48,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:48,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:48,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:48,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:48,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:48,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-02 21:37:48,740 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:48,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041660895] [2021-05-02 21:37:48,740 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:48,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444107285] [2021-05-02 21:37:48,740 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444107285] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:48,740 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:48,740 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-05-02 21:37:48,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354121467] [2021-05-02 21:37:48,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-02 21:37:48,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:48,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-02 21:37:48,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-05-02 21:37:48,743 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 9 states have internal predecessors, (19), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 21:37:48,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:48,858 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2021-05-02 21:37:48,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-02 21:37:48,858 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 9 states have internal predecessors, (19), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 29 [2021-05-02 21:37:48,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:48,862 INFO L225 Difference]: With dead ends: 37 [2021-05-02 21:37:48,862 INFO L226 Difference]: Without dead ends: 34 [2021-05-02 21:37:48,862 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 97.2ms TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-05-02 21:37:48,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-05-02 21:37:48,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2021-05-02 21:37:48,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-02 21:37:48,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2021-05-02 21:37:48,871 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 29 [2021-05-02 21:37:48,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:48,871 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2021-05-02 21:37:48,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 9 states have internal predecessors, (19), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 21:37:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2021-05-02 21:37:48,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-05-02 21:37:48,872 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:48,873 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:49,089 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:49,090 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:49,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:49,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1668946595, now seen corresponding path program 1 times [2021-05-02 21:37:49,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:49,091 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194552887] [2021-05-02 21:37:49,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:49,103 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:49,103 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [233826701] [2021-05-02 21:37:49,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:37:49,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-02 21:37:49,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:49,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:49,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:49,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194552887] [2021-05-02 21:37:49,234 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:49,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233826701] [2021-05-02 21:37:49,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233826701] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:49,235 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:49,235 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-05-02 21:37:49,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712928331] [2021-05-02 21:37:49,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-02 21:37:49,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:49,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-02 21:37:49,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-05-02 21:37:49,236 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 21:37:49,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:49,259 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2021-05-02 21:37:49,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-02 21:37:49,260 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 32 [2021-05-02 21:37:49,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:49,260 INFO L225 Difference]: With dead ends: 38 [2021-05-02 21:37:49,260 INFO L226 Difference]: Without dead ends: 38 [2021-05-02 21:37:49,260 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10.9ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-05-02 21:37:49,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-05-02 21:37:49,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-05-02 21:37:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 states have internal predecessors, (29), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-02 21:37:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2021-05-02 21:37:49,263 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 32 [2021-05-02 21:37:49,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:49,263 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2021-05-02 21:37:49,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 21:37:49,264 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2021-05-02 21:37:49,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-05-02 21:37:49,264 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:49,264 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:49,479 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:49,479 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:49,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:49,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1377493560, now seen corresponding path program 2 times [2021-05-02 21:37:49,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:49,480 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210391512] [2021-05-02 21:37:49,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:49,487 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:49,487 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1107002510] [2021-05-02 21:37:49,487 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:49,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:37:49,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:37:49,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjunts are in the unsatisfiable core [2021-05-02 21:37:49,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:49,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:49,633 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:49,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:49,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210391512] [2021-05-02 21:37:49,634 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:49,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107002510] [2021-05-02 21:37:49,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107002510] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:49,634 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:49,634 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-05-02 21:37:49,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104642701] [2021-05-02 21:37:49,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-02 21:37:49,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:49,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-02 21:37:49,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-05-02 21:37:49,637 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 5 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-02 21:37:49,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:49,682 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2021-05-02 21:37:49,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-02 21:37:49,683 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 5 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 41 [2021-05-02 21:37:49,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:49,684 INFO L225 Difference]: With dead ends: 47 [2021-05-02 21:37:49,684 INFO L226 Difference]: Without dead ends: 47 [2021-05-02 21:37:49,684 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 18.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-02 21:37:49,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-05-02 21:37:49,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-05-02 21:37:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-05-02 21:37:49,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2021-05-02 21:37:49,687 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 41 [2021-05-02 21:37:49,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:49,687 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2021-05-02 21:37:49,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 5 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-02 21:37:49,687 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-05-02 21:37:49,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-05-02 21:37:49,688 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:49,688 INFO L523 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:49,903 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-05-02 21:37:49,903 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:49,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:49,904 INFO L82 PathProgramCache]: Analyzing trace with hash 489214531, now seen corresponding path program 3 times [2021-05-02 21:37:49,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:49,904 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323667170] [2021-05-02 21:37:49,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:49,910 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:49,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831362396] [2021-05-02 21:37:49,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:49,980 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-05-02 21:37:49,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:37:49,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-02 21:37:49,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:49,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:50,100 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:50,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323667170] [2021-05-02 21:37:50,100 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:50,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831362396] [2021-05-02 21:37:50,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831362396] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:50,100 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:50,100 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-05-02 21:37:50,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038012215] [2021-05-02 21:37:50,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-02 21:37:50,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:50,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-02 21:37:50,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-05-02 21:37:50,101 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 6 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2021-05-02 21:37:50,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:50,153 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2021-05-02 21:37:50,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-02 21:37:50,153 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 6 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 50 [2021-05-02 21:37:50,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:50,155 INFO L225 Difference]: With dead ends: 56 [2021-05-02 21:37:50,155 INFO L226 Difference]: Without dead ends: 56 [2021-05-02 21:37:50,155 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 26.6ms TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-05-02 21:37:50,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-05-02 21:37:50,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-05-02 21:37:50,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-05-02 21:37:50,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2021-05-02 21:37:50,167 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 50 [2021-05-02 21:37:50,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:50,167 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2021-05-02 21:37:50,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 6 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2021-05-02 21:37:50,167 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2021-05-02 21:37:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-05-02 21:37:50,168 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:50,168 INFO L523 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:50,372 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:50,373 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:50,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:50,373 INFO L82 PathProgramCache]: Analyzing trace with hash -906969448, now seen corresponding path program 4 times [2021-05-02 21:37:50,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:50,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685492837] [2021-05-02 21:37:50,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:50,380 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:50,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [790548107] [2021-05-02 21:37:50,380 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:50,426 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:37:50,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:37:50,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 13 conjunts are in the unsatisfiable core [2021-05-02 21:37:50,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:50,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,581 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:50,581 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:50,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685492837] [2021-05-02 21:37:50,581 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:50,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790548107] [2021-05-02 21:37:50,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790548107] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:50,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:50,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-05-02 21:37:50,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929824092] [2021-05-02 21:37:50,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-02 21:37:50,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:50,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-02 21:37:50,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-05-02 21:37:50,582 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 7 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) [2021-05-02 21:37:50,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:50,645 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2021-05-02 21:37:50,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-02 21:37:50,645 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 7 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) Word has length 59 [2021-05-02 21:37:50,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:50,652 INFO L225 Difference]: With dead ends: 65 [2021-05-02 21:37:50,652 INFO L226 Difference]: Without dead ends: 65 [2021-05-02 21:37:50,653 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 50.9ms TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2021-05-02 21:37:50,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-05-02 21:37:50,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-05-02 21:37:50,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-05-02 21:37:50,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2021-05-02 21:37:50,655 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 59 [2021-05-02 21:37:50,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:50,656 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2021-05-02 21:37:50,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 7 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) [2021-05-02 21:37:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2021-05-02 21:37:50,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-05-02 21:37:50,656 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:50,656 INFO L523 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:50,864 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:50,865 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:50,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:50,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1572135395, now seen corresponding path program 5 times [2021-05-02 21:37:50,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:50,865 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588568239] [2021-05-02 21:37:50,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:50,872 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:50,872 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [349336611] [2021-05-02 21:37:50,872 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:50,937 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-05-02 21:37:50,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:37:50,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 15 conjunts are in the unsatisfiable core [2021-05-02 21:37:50,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:50,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:50,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,076 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:51,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:51,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588568239] [2021-05-02 21:37:51,077 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:51,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349336611] [2021-05-02 21:37:51,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349336611] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:51,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:51,077 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-05-02 21:37:51,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341048543] [2021-05-02 21:37:51,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-02 21:37:51,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:51,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-02 21:37:51,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-05-02 21:37:51,078 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 8 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2021-05-02 21:37:51,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:51,149 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2021-05-02 21:37:51,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-02 21:37:51,149 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 8 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 68 [2021-05-02 21:37:51,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:51,150 INFO L225 Difference]: With dead ends: 74 [2021-05-02 21:37:51,150 INFO L226 Difference]: Without dead ends: 74 [2021-05-02 21:37:51,150 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 53.3ms TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2021-05-02 21:37:51,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-05-02 21:37:51,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-05-02 21:37:51,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 54 states have internal predecessors, (61), 11 states have call successors, (11), 10 states have call predecessors, (11), 8 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-05-02 21:37:51,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2021-05-02 21:37:51,153 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 68 [2021-05-02 21:37:51,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:51,153 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2021-05-02 21:37:51,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 8 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2021-05-02 21:37:51,153 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2021-05-02 21:37:51,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-05-02 21:37:51,154 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:51,154 INFO L523 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:51,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-05-02 21:37:51,368 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:51,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:51,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1651262200, now seen corresponding path program 6 times [2021-05-02 21:37:51,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:51,369 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518474155] [2021-05-02 21:37:51,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:51,376 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:51,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [77556996] [2021-05-02 21:37:51,376 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:51,431 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-05-02 21:37:51,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:37:51,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-02 21:37:51,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:51,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,589 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 12 proven. 147 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:51,589 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:51,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518474155] [2021-05-02 21:37:51,589 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:51,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77556996] [2021-05-02 21:37:51,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77556996] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:51,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:51,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-05-02 21:37:51,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839819976] [2021-05-02 21:37:51,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-02 21:37:51,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:51,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-02 21:37:51,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-05-02 21:37:51,590 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 9 states have call successors, (11), 9 states have call predecessors, (11), 7 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2021-05-02 21:37:51,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:51,686 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2021-05-02 21:37:51,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-02 21:37:51,687 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 9 states have call successors, (11), 9 states have call predecessors, (11), 7 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) Word has length 77 [2021-05-02 21:37:51,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:51,687 INFO L225 Difference]: With dead ends: 83 [2021-05-02 21:37:51,687 INFO L226 Difference]: Without dead ends: 83 [2021-05-02 21:37:51,688 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 69.0ms TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2021-05-02 21:37:51,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-05-02 21:37:51,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-05-02 21:37:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 61 states have (on average 1.1311475409836065) internal successors, (69), 61 states have internal predecessors, (69), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-05-02 21:37:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2021-05-02 21:37:51,695 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 77 [2021-05-02 21:37:51,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:51,696 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2021-05-02 21:37:51,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 9 states have call successors, (11), 9 states have call predecessors, (11), 7 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2021-05-02 21:37:51,696 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2021-05-02 21:37:51,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-05-02 21:37:51,699 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:51,699 INFO L523 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:51,909 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:51,909 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:51,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:51,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1720170109, now seen corresponding path program 7 times [2021-05-02 21:37:51,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:51,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624012544] [2021-05-02 21:37:51,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:51,915 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:51,915 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [807186262] [2021-05-02 21:37:51,915 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:37:51,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-02 21:37:51,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:51,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:51,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,163 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 14 proven. 203 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:52,163 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:52,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624012544] [2021-05-02 21:37:52,164 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:52,164 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807186262] [2021-05-02 21:37:52,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807186262] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:52,164 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:52,164 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-05-02 21:37:52,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860706213] [2021-05-02 21:37:52,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-02 21:37:52,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:52,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-02 21:37:52,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-05-02 21:37:52,165 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 10 states have call successors, (12), 10 states have call predecessors, (12), 8 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2021-05-02 21:37:52,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:52,252 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions. [2021-05-02 21:37:52,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-02 21:37:52,252 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 10 states have call successors, (12), 10 states have call predecessors, (12), 8 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) Word has length 86 [2021-05-02 21:37:52,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:52,253 INFO L225 Difference]: With dead ends: 92 [2021-05-02 21:37:52,253 INFO L226 Difference]: Without dead ends: 92 [2021-05-02 21:37:52,253 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 85.5ms TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2021-05-02 21:37:52,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-05-02 21:37:52,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-05-02 21:37:52,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 68 states have internal predecessors, (77), 13 states have call successors, (13), 12 states have call predecessors, (13), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-05-02 21:37:52,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2021-05-02 21:37:52,256 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 86 [2021-05-02 21:37:52,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:52,257 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2021-05-02 21:37:52,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 10 states have call successors, (12), 10 states have call predecessors, (12), 8 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2021-05-02 21:37:52,257 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2021-05-02 21:37:52,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-02 21:37:52,257 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:52,257 INFO L523 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:52,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:52,473 INFO L428 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:52,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:52,473 INFO L82 PathProgramCache]: Analyzing trace with hash -327979176, now seen corresponding path program 8 times [2021-05-02 21:37:52,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:52,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305345006] [2021-05-02 21:37:52,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:52,479 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:52,479 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1335759842] [2021-05-02 21:37:52,479 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:52,537 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:37:52,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:37:52,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 21 conjunts are in the unsatisfiable core [2021-05-02 21:37:52,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:52,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 16 proven. 268 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:52,748 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:52,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305345006] [2021-05-02 21:37:52,748 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:52,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335759842] [2021-05-02 21:37:52,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335759842] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:52,748 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:52,748 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-05-02 21:37:52,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088386103] [2021-05-02 21:37:52,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-02 21:37:52,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:52,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-02 21:37:52,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-05-02 21:37:52,749 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 11 states have call successors, (13), 11 states have call predecessors, (13), 9 states have return successors, (11), 9 states have call predecessors, (11), 10 states have call successors, (11) [2021-05-02 21:37:52,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:52,847 INFO L93 Difference]: Finished difference Result 101 states and 111 transitions. [2021-05-02 21:37:52,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-02 21:37:52,848 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 11 states have call successors, (13), 11 states have call predecessors, (13), 9 states have return successors, (11), 9 states have call predecessors, (11), 10 states have call successors, (11) Word has length 95 [2021-05-02 21:37:52,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:52,851 INFO L225 Difference]: With dead ends: 101 [2021-05-02 21:37:52,851 INFO L226 Difference]: Without dead ends: 101 [2021-05-02 21:37:52,852 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 88.8ms TimeCoverageRelationStatistics Valid=145, Invalid=235, Unknown=0, NotChecked=0, Total=380 [2021-05-02 21:37:52,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-05-02 21:37:52,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-05-02 21:37:52,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 75 states have internal predecessors, (85), 14 states have call successors, (14), 13 states have call predecessors, (14), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-05-02 21:37:52,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 111 transitions. [2021-05-02 21:37:52,857 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 111 transitions. Word has length 95 [2021-05-02 21:37:52,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:52,857 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 111 transitions. [2021-05-02 21:37:52,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 11 states have call successors, (13), 11 states have call predecessors, (13), 9 states have return successors, (11), 9 states have call predecessors, (11), 10 states have call successors, (11) [2021-05-02 21:37:52,858 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 111 transitions. [2021-05-02 21:37:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-05-02 21:37:52,859 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:52,859 INFO L523 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:53,074 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-05-02 21:37:53,074 INFO L428 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:53,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:53,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1572009693, now seen corresponding path program 9 times [2021-05-02 21:37:53,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:53,075 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343607273] [2021-05-02 21:37:53,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:53,080 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:53,080 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [314500648] [2021-05-02 21:37:53,080 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:53,147 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-05-02 21:37:53,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:37:53,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 23 conjunts are in the unsatisfiable core [2021-05-02 21:37:53,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:53,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 342 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:53,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:53,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343607273] [2021-05-02 21:37:53,349 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:53,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314500648] [2021-05-02 21:37:53,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314500648] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:53,349 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:53,349 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-05-02 21:37:53,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326994644] [2021-05-02 21:37:53,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-02 21:37:53,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:53,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-02 21:37:53,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2021-05-02 21:37:53,350 INFO L87 Difference]: Start difference. First operand 101 states and 111 transitions. Second operand has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 12 states have internal predecessors, (75), 12 states have call successors, (14), 12 states have call predecessors, (14), 10 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2021-05-02 21:37:53,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:53,473 INFO L93 Difference]: Finished difference Result 110 states and 121 transitions. [2021-05-02 21:37:53,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-02 21:37:53,474 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 12 states have internal predecessors, (75), 12 states have call successors, (14), 12 states have call predecessors, (14), 10 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) Word has length 104 [2021-05-02 21:37:53,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:53,474 INFO L225 Difference]: With dead ends: 110 [2021-05-02 21:37:53,474 INFO L226 Difference]: Without dead ends: 110 [2021-05-02 21:37:53,475 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 107.1ms TimeCoverageRelationStatistics Valid=176, Invalid=286, Unknown=0, NotChecked=0, Total=462 [2021-05-02 21:37:53,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-05-02 21:37:53,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2021-05-02 21:37:53,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 82 states have (on average 1.1341463414634145) internal successors, (93), 82 states have internal predecessors, (93), 15 states have call successors, (15), 14 states have call predecessors, (15), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-05-02 21:37:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 121 transitions. [2021-05-02 21:37:53,478 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 121 transitions. Word has length 104 [2021-05-02 21:37:53,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:53,478 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 121 transitions. [2021-05-02 21:37:53,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 12 states have internal predecessors, (75), 12 states have call successors, (14), 12 states have call predecessors, (14), 10 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2021-05-02 21:37:53,478 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 121 transitions. [2021-05-02 21:37:53,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-05-02 21:37:53,478 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:53,479 INFO L523 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:53,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-05-02 21:37:53,693 INFO L428 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:53,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:53,694 INFO L82 PathProgramCache]: Analyzing trace with hash 191644600, now seen corresponding path program 10 times [2021-05-02 21:37:53,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:53,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905779801] [2021-05-02 21:37:53,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:53,710 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:53,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1931391057] [2021-05-02 21:37:53,710 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:53,770 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:37:53,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:37:53,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-02 21:37:53,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:53,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 20 proven. 425 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:53,992 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:53,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905779801] [2021-05-02 21:37:53,992 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:53,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931391057] [2021-05-02 21:37:53,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931391057] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:53,992 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:53,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2021-05-02 21:37:53,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441527083] [2021-05-02 21:37:53,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-05-02 21:37:53,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:53,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-05-02 21:37:53,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-05-02 21:37:53,994 INFO L87 Difference]: Start difference. First operand 110 states and 121 transitions. Second operand has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 13 states have internal predecessors, (82), 13 states have call successors, (15), 13 states have call predecessors, (15), 11 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2021-05-02 21:37:54,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:54,143 INFO L93 Difference]: Finished difference Result 119 states and 131 transitions. [2021-05-02 21:37:54,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-02 21:37:54,143 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 13 states have internal predecessors, (82), 13 states have call successors, (15), 13 states have call predecessors, (15), 11 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) Word has length 113 [2021-05-02 21:37:54,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:54,144 INFO L225 Difference]: With dead ends: 119 [2021-05-02 21:37:54,144 INFO L226 Difference]: Without dead ends: 119 [2021-05-02 21:37:54,145 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 143.5ms TimeCoverageRelationStatistics Valid=210, Invalid=342, Unknown=0, NotChecked=0, Total=552 [2021-05-02 21:37:54,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-05-02 21:37:54,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-05-02 21:37:54,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 89 states have (on average 1.1348314606741574) internal successors, (101), 89 states have internal predecessors, (101), 16 states have call successors, (16), 15 states have call predecessors, (16), 13 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-05-02 21:37:54,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 131 transitions. [2021-05-02 21:37:54,147 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 131 transitions. Word has length 113 [2021-05-02 21:37:54,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:54,147 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 131 transitions. [2021-05-02 21:37:54,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 13 states have internal predecessors, (82), 13 states have call successors, (15), 13 states have call predecessors, (15), 11 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2021-05-02 21:37:54,148 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 131 transitions. [2021-05-02 21:37:54,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-05-02 21:37:54,148 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:54,148 INFO L523 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:54,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-05-02 21:37:54,364 INFO L428 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:54,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:54,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1200431299, now seen corresponding path program 11 times [2021-05-02 21:37:54,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:54,364 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607193393] [2021-05-02 21:37:54,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:54,375 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:54,375 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [367822899] [2021-05-02 21:37:54,375 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:54,450 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-05-02 21:37:54,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:37:54,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 27 conjunts are in the unsatisfiable core [2021-05-02 21:37:54,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:54,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 22 proven. 517 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:54,719 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:54,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607193393] [2021-05-02 21:37:54,719 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:54,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367822899] [2021-05-02 21:37:54,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367822899] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:54,719 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:54,719 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-05-02 21:37:54,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819657266] [2021-05-02 21:37:54,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-02 21:37:54,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:54,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-02 21:37:54,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2021-05-02 21:37:54,720 INFO L87 Difference]: Start difference. First operand 119 states and 131 transitions. Second operand has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 14 states have internal predecessors, (89), 14 states have call successors, (16), 14 states have call predecessors, (16), 12 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14) [2021-05-02 21:37:54,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:54,865 INFO L93 Difference]: Finished difference Result 128 states and 141 transitions. [2021-05-02 21:37:54,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-02 21:37:54,865 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 14 states have internal predecessors, (89), 14 states have call successors, (16), 14 states have call predecessors, (16), 12 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14) Word has length 122 [2021-05-02 21:37:54,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:54,866 INFO L225 Difference]: With dead ends: 128 [2021-05-02 21:37:54,866 INFO L226 Difference]: Without dead ends: 128 [2021-05-02 21:37:54,866 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 142.8ms TimeCoverageRelationStatistics Valid=247, Invalid=403, Unknown=0, NotChecked=0, Total=650 [2021-05-02 21:37:54,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-05-02 21:37:54,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2021-05-02 21:37:54,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 96 states have (on average 1.1354166666666667) internal successors, (109), 96 states have internal predecessors, (109), 17 states have call successors, (17), 16 states have call predecessors, (17), 14 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-05-02 21:37:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 141 transitions. [2021-05-02 21:37:54,869 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 141 transitions. Word has length 122 [2021-05-02 21:37:54,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:54,869 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 141 transitions. [2021-05-02 21:37:54,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 14 states have internal predecessors, (89), 14 states have call successors, (16), 14 states have call predecessors, (16), 12 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14) [2021-05-02 21:37:54,870 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 141 transitions. [2021-05-02 21:37:54,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-05-02 21:37:54,870 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:54,870 INFO L523 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:55,085 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:55,085 INFO L428 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:55,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:55,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1791180776, now seen corresponding path program 12 times [2021-05-02 21:37:55,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:55,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529091491] [2021-05-02 21:37:55,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:55,097 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:55,097 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1240678190] [2021-05-02 21:37:55,097 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:55,175 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-05-02 21:37:55,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:37:55,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 29 conjunts are in the unsatisfiable core [2021-05-02 21:37:55,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:55,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,418 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 24 proven. 618 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:55,418 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:55,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529091491] [2021-05-02 21:37:55,418 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:55,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240678190] [2021-05-02 21:37:55,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240678190] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:55,418 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:55,418 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2021-05-02 21:37:55,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942127755] [2021-05-02 21:37:55,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-05-02 21:37:55,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:55,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-05-02 21:37:55,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2021-05-02 21:37:55,419 INFO L87 Difference]: Start difference. First operand 128 states and 141 transitions. Second operand has 16 states, 16 states have (on average 6.0) internal successors, (96), 15 states have internal predecessors, (96), 15 states have call successors, (17), 15 states have call predecessors, (17), 13 states have return successors, (15), 13 states have call predecessors, (15), 14 states have call successors, (15) [2021-05-02 21:37:55,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:55,615 INFO L93 Difference]: Finished difference Result 137 states and 151 transitions. [2021-05-02 21:37:55,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-02 21:37:55,615 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 15 states have internal predecessors, (96), 15 states have call successors, (17), 15 states have call predecessors, (17), 13 states have return successors, (15), 13 states have call predecessors, (15), 14 states have call successors, (15) Word has length 131 [2021-05-02 21:37:55,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:55,616 INFO L225 Difference]: With dead ends: 137 [2021-05-02 21:37:55,616 INFO L226 Difference]: Without dead ends: 137 [2021-05-02 21:37:55,616 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 166.9ms TimeCoverageRelationStatistics Valid=287, Invalid=469, Unknown=0, NotChecked=0, Total=756 [2021-05-02 21:37:55,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-05-02 21:37:55,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-05-02 21:37:55,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 103 states have (on average 1.1359223300970873) internal successors, (117), 103 states have internal predecessors, (117), 18 states have call successors, (18), 17 states have call predecessors, (18), 15 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-05-02 21:37:55,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 151 transitions. [2021-05-02 21:37:55,619 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 151 transitions. Word has length 131 [2021-05-02 21:37:55,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:55,619 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 151 transitions. [2021-05-02 21:37:55,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 15 states have internal predecessors, (96), 15 states have call successors, (17), 15 states have call predecessors, (17), 13 states have return successors, (15), 13 states have call predecessors, (15), 14 states have call successors, (15) [2021-05-02 21:37:55,620 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 151 transitions. [2021-05-02 21:37:55,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-05-02 21:37:55,620 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:55,620 INFO L523 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:55,836 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-05-02 21:37:55,837 INFO L428 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:55,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:55,837 INFO L82 PathProgramCache]: Analyzing trace with hash -166555549, now seen corresponding path program 13 times [2021-05-02 21:37:55,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:55,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338629452] [2021-05-02 21:37:55,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:55,854 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:55,854 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2110313057] [2021-05-02 21:37:55,854 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:37:55,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 31 conjunts are in the unsatisfiable core [2021-05-02 21:37:55,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:55,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:55,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,169 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 26 proven. 728 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:56,169 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:56,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338629452] [2021-05-02 21:37:56,170 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:56,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110313057] [2021-05-02 21:37:56,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110313057] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:56,170 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:56,170 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2021-05-02 21:37:56,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226911273] [2021-05-02 21:37:56,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-02 21:37:56,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:56,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-02 21:37:56,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2021-05-02 21:37:56,171 INFO L87 Difference]: Start difference. First operand 137 states and 151 transitions. Second operand has 17 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 16 states have internal predecessors, (103), 16 states have call successors, (18), 16 states have call predecessors, (18), 14 states have return successors, (16), 14 states have call predecessors, (16), 15 states have call successors, (16) [2021-05-02 21:37:56,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:56,371 INFO L93 Difference]: Finished difference Result 146 states and 161 transitions. [2021-05-02 21:37:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-02 21:37:56,371 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 16 states have internal predecessors, (103), 16 states have call successors, (18), 16 states have call predecessors, (18), 14 states have return successors, (16), 14 states have call predecessors, (16), 15 states have call successors, (16) Word has length 140 [2021-05-02 21:37:56,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:56,372 INFO L225 Difference]: With dead ends: 146 [2021-05-02 21:37:56,372 INFO L226 Difference]: Without dead ends: 146 [2021-05-02 21:37:56,372 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 196.3ms TimeCoverageRelationStatistics Valid=330, Invalid=540, Unknown=0, NotChecked=0, Total=870 [2021-05-02 21:37:56,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-05-02 21:37:56,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-05-02 21:37:56,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 110 states have (on average 1.1363636363636365) internal successors, (125), 110 states have internal predecessors, (125), 19 states have call successors, (19), 18 states have call predecessors, (19), 16 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2021-05-02 21:37:56,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 161 transitions. [2021-05-02 21:37:56,375 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 161 transitions. Word has length 140 [2021-05-02 21:37:56,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:56,376 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 161 transitions. [2021-05-02 21:37:56,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 16 states have internal predecessors, (103), 16 states have call successors, (18), 16 states have call predecessors, (18), 14 states have return successors, (16), 14 states have call predecessors, (16), 15 states have call successors, (16) [2021-05-02 21:37:56,376 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 161 transitions. [2021-05-02 21:37:56,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-05-02 21:37:56,376 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:56,376 INFO L523 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:56,583 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-05-02 21:37:56,583 INFO L428 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:56,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:56,583 INFO L82 PathProgramCache]: Analyzing trace with hash -229972872, now seen corresponding path program 14 times [2021-05-02 21:37:56,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:56,584 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689876511] [2021-05-02 21:37:56,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:56,588 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:56,588 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [564681824] [2021-05-02 21:37:56,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:56,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:37:56,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:37:56,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 33 conjunts are in the unsatisfiable core [2021-05-02 21:37:56,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:56,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:56,947 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 28 proven. 847 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:56,947 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:56,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689876511] [2021-05-02 21:37:56,947 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:56,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564681824] [2021-05-02 21:37:56,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564681824] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:56,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:56,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2021-05-02 21:37:56,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012222725] [2021-05-02 21:37:56,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-05-02 21:37:56,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:56,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-05-02 21:37:56,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2021-05-02 21:37:56,948 INFO L87 Difference]: Start difference. First operand 146 states and 161 transitions. Second operand has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 17 states have internal predecessors, (110), 17 states have call successors, (19), 17 states have call predecessors, (19), 15 states have return successors, (17), 15 states have call predecessors, (17), 16 states have call successors, (17) [2021-05-02 21:37:57,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:57,162 INFO L93 Difference]: Finished difference Result 155 states and 171 transitions. [2021-05-02 21:37:57,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-05-02 21:37:57,162 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 17 states have internal predecessors, (110), 17 states have call successors, (19), 17 states have call predecessors, (19), 15 states have return successors, (17), 15 states have call predecessors, (17), 16 states have call successors, (17) Word has length 149 [2021-05-02 21:37:57,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:57,164 INFO L225 Difference]: With dead ends: 155 [2021-05-02 21:37:57,164 INFO L226 Difference]: Without dead ends: 155 [2021-05-02 21:37:57,164 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 208.9ms TimeCoverageRelationStatistics Valid=376, Invalid=616, Unknown=0, NotChecked=0, Total=992 [2021-05-02 21:37:57,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-05-02 21:37:57,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2021-05-02 21:37:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 117 states have (on average 1.1367521367521367) internal successors, (133), 117 states have internal predecessors, (133), 20 states have call successors, (20), 19 states have call predecessors, (20), 17 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2021-05-02 21:37:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 171 transitions. [2021-05-02 21:37:57,167 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 171 transitions. Word has length 149 [2021-05-02 21:37:57,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:57,167 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 171 transitions. [2021-05-02 21:37:57,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 17 states have internal predecessors, (110), 17 states have call successors, (19), 17 states have call predecessors, (19), 15 states have return successors, (17), 15 states have call predecessors, (17), 16 states have call successors, (17) [2021-05-02 21:37:57,168 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 171 transitions. [2021-05-02 21:37:57,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-05-02 21:37:57,168 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:57,168 INFO L523 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:57,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-05-02 21:37:57,369 INFO L428 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:57,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:57,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1480022019, now seen corresponding path program 15 times [2021-05-02 21:37:57,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:57,369 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962053921] [2021-05-02 21:37:57,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:57,377 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:57,378 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1945849777] [2021-05-02 21:37:57,378 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:57,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-05-02 21:37:57,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:37:57,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 35 conjunts are in the unsatisfiable core [2021-05-02 21:37:57,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:57,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:57,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 30 proven. 975 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:57,785 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:57,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962053921] [2021-05-02 21:37:57,785 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:57,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945849777] [2021-05-02 21:37:57,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945849777] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:57,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:57,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2021-05-02 21:37:57,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680431046] [2021-05-02 21:37:57,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-05-02 21:37:57,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:57,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-05-02 21:37:57,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2021-05-02 21:37:57,787 INFO L87 Difference]: Start difference. First operand 155 states and 171 transitions. Second operand has 19 states, 19 states have (on average 6.157894736842105) internal successors, (117), 18 states have internal predecessors, (117), 18 states have call successors, (20), 18 states have call predecessors, (20), 16 states have return successors, (18), 16 states have call predecessors, (18), 17 states have call successors, (18) [2021-05-02 21:37:58,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:58,000 INFO L93 Difference]: Finished difference Result 164 states and 181 transitions. [2021-05-02 21:37:58,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-05-02 21:37:58,000 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.157894736842105) internal successors, (117), 18 states have internal predecessors, (117), 18 states have call successors, (20), 18 states have call predecessors, (20), 16 states have return successors, (18), 16 states have call predecessors, (18), 17 states have call successors, (18) Word has length 158 [2021-05-02 21:37:58,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:58,001 INFO L225 Difference]: With dead ends: 164 [2021-05-02 21:37:58,001 INFO L226 Difference]: Without dead ends: 164 [2021-05-02 21:37:58,002 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 234.6ms TimeCoverageRelationStatistics Valid=425, Invalid=697, Unknown=0, NotChecked=0, Total=1122 [2021-05-02 21:37:58,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-05-02 21:37:58,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-05-02 21:37:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 124 states have internal predecessors, (141), 21 states have call successors, (21), 20 states have call predecessors, (21), 18 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2021-05-02 21:37:58,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 181 transitions. [2021-05-02 21:37:58,005 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 181 transitions. Word has length 158 [2021-05-02 21:37:58,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:58,005 INFO L480 AbstractCegarLoop]: Abstraction has 164 states and 181 transitions. [2021-05-02 21:37:58,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.157894736842105) internal successors, (117), 18 states have internal predecessors, (117), 18 states have call successors, (20), 18 states have call predecessors, (20), 16 states have return successors, (18), 16 states have call predecessors, (18), 17 states have call successors, (18) [2021-05-02 21:37:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 181 transitions. [2021-05-02 21:37:58,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-05-02 21:37:58,006 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:58,006 INFO L523 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:58,221 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:58,221 INFO L428 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:58,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:58,221 INFO L82 PathProgramCache]: Analyzing trace with hash 2105323736, now seen corresponding path program 16 times [2021-05-02 21:37:58,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:58,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026521763] [2021-05-02 21:37:58,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:58,226 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:58,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1159928341] [2021-05-02 21:37:58,226 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:58,292 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:37:58,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:37:58,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 37 conjunts are in the unsatisfiable core [2021-05-02 21:37:58,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:58,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:58,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1148 backedges. 32 proven. 1112 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:58,620 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:58,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026521763] [2021-05-02 21:37:58,620 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:58,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159928341] [2021-05-02 21:37:58,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159928341] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:58,620 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:58,620 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2021-05-02 21:37:58,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414389527] [2021-05-02 21:37:58,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-02 21:37:58,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:58,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-02 21:37:58,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2021-05-02 21:37:58,621 INFO L87 Difference]: Start difference. First operand 164 states and 181 transitions. Second operand has 20 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 19 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (19), 17 states have call predecessors, (19), 18 states have call successors, (19) [2021-05-02 21:37:58,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:58,873 INFO L93 Difference]: Finished difference Result 173 states and 191 transitions. [2021-05-02 21:37:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-05-02 21:37:58,873 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 19 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (19), 17 states have call predecessors, (19), 18 states have call successors, (19) Word has length 167 [2021-05-02 21:37:58,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:58,874 INFO L225 Difference]: With dead ends: 173 [2021-05-02 21:37:58,874 INFO L226 Difference]: Without dead ends: 173 [2021-05-02 21:37:58,874 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 247.0ms TimeCoverageRelationStatistics Valid=477, Invalid=783, Unknown=0, NotChecked=0, Total=1260 [2021-05-02 21:37:58,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-05-02 21:37:58,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-05-02 21:37:58,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 131 states have (on average 1.1374045801526718) internal successors, (149), 131 states have internal predecessors, (149), 22 states have call successors, (22), 21 states have call predecessors, (22), 19 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2021-05-02 21:37:58,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 191 transitions. [2021-05-02 21:37:58,877 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 191 transitions. Word has length 167 [2021-05-02 21:37:58,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:58,878 INFO L480 AbstractCegarLoop]: Abstraction has 173 states and 191 transitions. [2021-05-02 21:37:58,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 19 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (19), 17 states have call predecessors, (19), 18 states have call successors, (19) [2021-05-02 21:37:58,878 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 191 transitions. [2021-05-02 21:37:58,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-05-02 21:37:58,878 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:58,878 INFO L523 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 17, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:37:59,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:59,085 INFO L428 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:37:59,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:37:59,085 INFO L82 PathProgramCache]: Analyzing trace with hash -170559581, now seen corresponding path program 17 times [2021-05-02 21:37:59,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:37:59,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880948148] [2021-05-02 21:37:59,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:37:59,092 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:37:59,092 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [256362519] [2021-05-02 21:37:59,092 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:37:59,171 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2021-05-02 21:37:59,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:37:59,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 39 conjunts are in the unsatisfiable core [2021-05-02 21:37:59,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:37:59,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:37:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 34 proven. 1258 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:37:59,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:37:59,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880948148] [2021-05-02 21:37:59,567 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:37:59,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256362519] [2021-05-02 21:37:59,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256362519] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:37:59,568 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:37:59,568 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2021-05-02 21:37:59,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296249611] [2021-05-02 21:37:59,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-05-02 21:37:59,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:37:59,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-05-02 21:37:59,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2021-05-02 21:37:59,569 INFO L87 Difference]: Start difference. First operand 173 states and 191 transitions. Second operand has 21 states, 21 states have (on average 6.238095238095238) internal successors, (131), 20 states have internal predecessors, (131), 20 states have call successors, (22), 20 states have call predecessors, (22), 18 states have return successors, (20), 18 states have call predecessors, (20), 19 states have call successors, (20) [2021-05-02 21:37:59,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:37:59,834 INFO L93 Difference]: Finished difference Result 182 states and 201 transitions. [2021-05-02 21:37:59,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-05-02 21:37:59,834 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 6.238095238095238) internal successors, (131), 20 states have internal predecessors, (131), 20 states have call successors, (22), 20 states have call predecessors, (22), 18 states have return successors, (20), 18 states have call predecessors, (20), 19 states have call successors, (20) Word has length 176 [2021-05-02 21:37:59,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:37:59,835 INFO L225 Difference]: With dead ends: 182 [2021-05-02 21:37:59,835 INFO L226 Difference]: Without dead ends: 182 [2021-05-02 21:37:59,836 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 287.1ms TimeCoverageRelationStatistics Valid=532, Invalid=874, Unknown=0, NotChecked=0, Total=1406 [2021-05-02 21:37:59,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-05-02 21:37:59,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2021-05-02 21:37:59,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 138 states have (on average 1.1376811594202898) internal successors, (157), 138 states have internal predecessors, (157), 23 states have call successors, (23), 22 states have call predecessors, (23), 20 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-05-02 21:37:59,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 201 transitions. [2021-05-02 21:37:59,839 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 201 transitions. Word has length 176 [2021-05-02 21:37:59,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:37:59,839 INFO L480 AbstractCegarLoop]: Abstraction has 182 states and 201 transitions. [2021-05-02 21:37:59,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 6.238095238095238) internal successors, (131), 20 states have internal predecessors, (131), 20 states have call successors, (22), 20 states have call predecessors, (22), 18 states have return successors, (20), 18 states have call predecessors, (20), 19 states have call successors, (20) [2021-05-02 21:37:59,839 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 201 transitions. [2021-05-02 21:37:59,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-05-02 21:37:59,840 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:37:59,840 INFO L523 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 18, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:00,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-05-02 21:38:00,045 INFO L428 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:00,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:00,045 INFO L82 PathProgramCache]: Analyzing trace with hash -466082504, now seen corresponding path program 18 times [2021-05-02 21:38:00,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:00,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633423186] [2021-05-02 21:38:00,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:00,053 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:00,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1638797081] [2021-05-02 21:38:00,053 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:00,187 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-05-02 21:38:00,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:00,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 41 conjunts are in the unsatisfiable core [2021-05-02 21:38:00,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:00,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:00,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 36 proven. 1413 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:00,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:00,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633423186] [2021-05-02 21:38:00,605 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:00,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638797081] [2021-05-02 21:38:00,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638797081] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:00,605 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:00,605 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2021-05-02 21:38:00,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581200559] [2021-05-02 21:38:00,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-02 21:38:00,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:00,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-02 21:38:00,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=250, Unknown=0, NotChecked=0, Total=462 [2021-05-02 21:38:00,617 INFO L87 Difference]: Start difference. First operand 182 states and 201 transitions. Second operand has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 21 states have internal predecessors, (138), 21 states have call successors, (23), 21 states have call predecessors, (23), 19 states have return successors, (21), 19 states have call predecessors, (21), 20 states have call successors, (21) [2021-05-02 21:38:00,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:00,948 INFO L93 Difference]: Finished difference Result 191 states and 211 transitions. [2021-05-02 21:38:00,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-02 21:38:00,950 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 21 states have internal predecessors, (138), 21 states have call successors, (23), 21 states have call predecessors, (23), 19 states have return successors, (21), 19 states have call predecessors, (21), 20 states have call successors, (21) Word has length 185 [2021-05-02 21:38:00,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:00,950 INFO L225 Difference]: With dead ends: 191 [2021-05-02 21:38:00,950 INFO L226 Difference]: Without dead ends: 191 [2021-05-02 21:38:00,951 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 339.4ms TimeCoverageRelationStatistics Valid=590, Invalid=970, Unknown=0, NotChecked=0, Total=1560 [2021-05-02 21:38:00,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-05-02 21:38:00,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2021-05-02 21:38:00,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 145 states have (on average 1.1379310344827587) internal successors, (165), 145 states have internal predecessors, (165), 24 states have call successors, (24), 23 states have call predecessors, (24), 21 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2021-05-02 21:38:00,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 211 transitions. [2021-05-02 21:38:00,954 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 211 transitions. Word has length 185 [2021-05-02 21:38:00,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:00,954 INFO L480 AbstractCegarLoop]: Abstraction has 191 states and 211 transitions. [2021-05-02 21:38:00,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 21 states have internal predecessors, (138), 21 states have call successors, (23), 21 states have call predecessors, (23), 19 states have return successors, (21), 19 states have call predecessors, (21), 20 states have call successors, (21) [2021-05-02 21:38:00,954 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 211 transitions. [2021-05-02 21:38:00,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-05-02 21:38:00,955 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:00,955 INFO L523 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 19, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:01,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-05-02 21:38:01,165 INFO L428 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:01,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:01,165 INFO L82 PathProgramCache]: Analyzing trace with hash -733548733, now seen corresponding path program 19 times [2021-05-02 21:38:01,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:01,165 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020507684] [2021-05-02 21:38:01,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:01,172 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:01,173 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [851383372] [2021-05-02 21:38:01,173 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:38:01,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 43 conjunts are in the unsatisfiable core [2021-05-02 21:38:01,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:01,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 38 proven. 1577 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:01,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:01,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020507684] [2021-05-02 21:38:01,667 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:01,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851383372] [2021-05-02 21:38:01,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851383372] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:01,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:01,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2021-05-02 21:38:01,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28109190] [2021-05-02 21:38:01,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-02 21:38:01,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:01,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-02 21:38:01,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2021-05-02 21:38:01,668 INFO L87 Difference]: Start difference. First operand 191 states and 211 transitions. Second operand has 23 states, 23 states have (on average 6.304347826086956) internal successors, (145), 22 states have internal predecessors, (145), 22 states have call successors, (24), 22 states have call predecessors, (24), 20 states have return successors, (22), 20 states have call predecessors, (22), 21 states have call successors, (22) [2021-05-02 21:38:01,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:01,962 INFO L93 Difference]: Finished difference Result 200 states and 221 transitions. [2021-05-02 21:38:01,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-05-02 21:38:01,963 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 6.304347826086956) internal successors, (145), 22 states have internal predecessors, (145), 22 states have call successors, (24), 22 states have call predecessors, (24), 20 states have return successors, (22), 20 states have call predecessors, (22), 21 states have call successors, (22) Word has length 194 [2021-05-02 21:38:01,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:01,963 INFO L225 Difference]: With dead ends: 200 [2021-05-02 21:38:01,964 INFO L226 Difference]: Without dead ends: 200 [2021-05-02 21:38:01,964 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 340.3ms TimeCoverageRelationStatistics Valid=651, Invalid=1071, Unknown=0, NotChecked=0, Total=1722 [2021-05-02 21:38:01,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-05-02 21:38:01,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2021-05-02 21:38:01,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 152 states have (on average 1.138157894736842) internal successors, (173), 152 states have internal predecessors, (173), 25 states have call successors, (25), 24 states have call predecessors, (25), 22 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-05-02 21:38:01,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 221 transitions. [2021-05-02 21:38:01,967 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 221 transitions. Word has length 194 [2021-05-02 21:38:01,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:01,968 INFO L480 AbstractCegarLoop]: Abstraction has 200 states and 221 transitions. [2021-05-02 21:38:01,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 6.304347826086956) internal successors, (145), 22 states have internal predecessors, (145), 22 states have call successors, (24), 22 states have call predecessors, (24), 20 states have return successors, (22), 20 states have call predecessors, (22), 21 states have call successors, (22) [2021-05-02 21:38:01,968 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 221 transitions. [2021-05-02 21:38:01,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-05-02 21:38:01,969 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:01,969 INFO L523 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 20, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:02,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:02,177 INFO L428 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:02,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:02,177 INFO L82 PathProgramCache]: Analyzing trace with hash -2040315496, now seen corresponding path program 20 times [2021-05-02 21:38:02,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:02,177 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822169694] [2021-05-02 21:38:02,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:02,183 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:02,183 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [897130919] [2021-05-02 21:38:02,183 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:02,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:38:02,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:02,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 45 conjunts are in the unsatisfiable core [2021-05-02 21:38:02,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:02,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1794 backedges. 40 proven. 1750 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:02,685 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:02,685 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822169694] [2021-05-02 21:38:02,685 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:02,685 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897130919] [2021-05-02 21:38:02,685 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897130919] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:02,685 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:02,685 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2021-05-02 21:38:02,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398274176] [2021-05-02 21:38:02,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-05-02 21:38:02,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:02,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-05-02 21:38:02,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=297, Unknown=0, NotChecked=0, Total=552 [2021-05-02 21:38:02,686 INFO L87 Difference]: Start difference. First operand 200 states and 221 transitions. Second operand has 24 states, 24 states have (on average 6.333333333333333) internal successors, (152), 23 states have internal predecessors, (152), 23 states have call successors, (25), 23 states have call predecessors, (25), 21 states have return successors, (23), 21 states have call predecessors, (23), 22 states have call successors, (23) [2021-05-02 21:38:02,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:02,993 INFO L93 Difference]: Finished difference Result 209 states and 231 transitions. [2021-05-02 21:38:02,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-02 21:38:02,993 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.333333333333333) internal successors, (152), 23 states have internal predecessors, (152), 23 states have call successors, (25), 23 states have call predecessors, (25), 21 states have return successors, (23), 21 states have call predecessors, (23), 22 states have call successors, (23) Word has length 203 [2021-05-02 21:38:02,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:02,994 INFO L225 Difference]: With dead ends: 209 [2021-05-02 21:38:02,994 INFO L226 Difference]: Without dead ends: 209 [2021-05-02 21:38:02,995 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 366.9ms TimeCoverageRelationStatistics Valid=715, Invalid=1177, Unknown=0, NotChecked=0, Total=1892 [2021-05-02 21:38:02,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-05-02 21:38:02,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2021-05-02 21:38:02,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 159 states have (on average 1.1383647798742138) internal successors, (181), 159 states have internal predecessors, (181), 26 states have call successors, (26), 25 states have call predecessors, (26), 23 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2021-05-02 21:38:02,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 231 transitions. [2021-05-02 21:38:02,998 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 231 transitions. Word has length 203 [2021-05-02 21:38:02,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:02,999 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 231 transitions. [2021-05-02 21:38:02,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 6.333333333333333) internal successors, (152), 23 states have internal predecessors, (152), 23 states have call successors, (25), 23 states have call predecessors, (25), 21 states have return successors, (23), 21 states have call predecessors, (23), 22 states have call successors, (23) [2021-05-02 21:38:02,999 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 231 transitions. [2021-05-02 21:38:03,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-05-02 21:38:03,000 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:03,000 INFO L523 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 21, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:03,217 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-05-02 21:38:03,217 INFO L428 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:03,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:03,218 INFO L82 PathProgramCache]: Analyzing trace with hash 375766755, now seen corresponding path program 21 times [2021-05-02 21:38:03,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:03,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609596462] [2021-05-02 21:38:03,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:03,222 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:03,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [363173924] [2021-05-02 21:38:03,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:03,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2021-05-02 21:38:03,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:03,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 47 conjunts are in the unsatisfiable core [2021-05-02 21:38:03,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:03,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:03,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1978 backedges. 42 proven. 1932 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:03,835 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:03,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609596462] [2021-05-02 21:38:03,835 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:03,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363173924] [2021-05-02 21:38:03,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363173924] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:03,835 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:03,835 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2021-05-02 21:38:03,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130431807] [2021-05-02 21:38:03,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-05-02 21:38:03,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:03,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-05-02 21:38:03,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2021-05-02 21:38:03,836 INFO L87 Difference]: Start difference. First operand 209 states and 231 transitions. Second operand has 25 states, 25 states have (on average 6.36) internal successors, (159), 24 states have internal predecessors, (159), 24 states have call successors, (26), 24 states have call predecessors, (26), 22 states have return successors, (24), 22 states have call predecessors, (24), 23 states have call successors, (24) [2021-05-02 21:38:04,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:04,187 INFO L93 Difference]: Finished difference Result 218 states and 241 transitions. [2021-05-02 21:38:04,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-02 21:38:04,188 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 6.36) internal successors, (159), 24 states have internal predecessors, (159), 24 states have call successors, (26), 24 states have call predecessors, (26), 22 states have return successors, (24), 22 states have call predecessors, (24), 23 states have call successors, (24) Word has length 212 [2021-05-02 21:38:04,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:04,189 INFO L225 Difference]: With dead ends: 218 [2021-05-02 21:38:04,189 INFO L226 Difference]: Without dead ends: 218 [2021-05-02 21:38:04,189 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 398.3ms TimeCoverageRelationStatistics Valid=782, Invalid=1288, Unknown=0, NotChecked=0, Total=2070 [2021-05-02 21:38:04,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-05-02 21:38:04,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2021-05-02 21:38:04,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 166 states have (on average 1.1385542168674698) internal successors, (189), 166 states have internal predecessors, (189), 27 states have call successors, (27), 26 states have call predecessors, (27), 24 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2021-05-02 21:38:04,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 241 transitions. [2021-05-02 21:38:04,193 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 241 transitions. Word has length 212 [2021-05-02 21:38:04,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:04,193 INFO L480 AbstractCegarLoop]: Abstraction has 218 states and 241 transitions. [2021-05-02 21:38:04,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 6.36) internal successors, (159), 24 states have internal predecessors, (159), 24 states have call successors, (26), 24 states have call predecessors, (26), 22 states have return successors, (24), 22 states have call predecessors, (24), 23 states have call successors, (24) [2021-05-02 21:38:04,193 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 241 transitions. [2021-05-02 21:38:04,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-05-02 21:38:04,194 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:04,194 INFO L523 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:04,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:04,406 INFO L428 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:04,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:04,406 INFO L82 PathProgramCache]: Analyzing trace with hash -698087944, now seen corresponding path program 22 times [2021-05-02 21:38:04,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:04,406 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046385854] [2021-05-02 21:38:04,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:04,411 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:04,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1667586140] [2021-05-02 21:38:04,411 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:04,495 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:38:04,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:04,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 49 conjunts are in the unsatisfiable core [2021-05-02 21:38:04,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:04,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:04,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2171 backedges. 44 proven. 2123 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:05,002 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:05,002 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046385854] [2021-05-02 21:38:05,002 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:05,002 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667586140] [2021-05-02 21:38:05,002 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667586140] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:05,002 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:05,002 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2021-05-02 21:38:05,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062685580] [2021-05-02 21:38:05,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-05-02 21:38:05,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:05,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-05-02 21:38:05,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2021-05-02 21:38:05,004 INFO L87 Difference]: Start difference. First operand 218 states and 241 transitions. Second operand has 26 states, 26 states have (on average 6.384615384615385) internal successors, (166), 25 states have internal predecessors, (166), 25 states have call successors, (27), 25 states have call predecessors, (27), 23 states have return successors, (25), 23 states have call predecessors, (25), 24 states have call successors, (25) [2021-05-02 21:38:05,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:05,360 INFO L93 Difference]: Finished difference Result 227 states and 251 transitions. [2021-05-02 21:38:05,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-05-02 21:38:05,360 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.384615384615385) internal successors, (166), 25 states have internal predecessors, (166), 25 states have call successors, (27), 25 states have call predecessors, (27), 23 states have return successors, (25), 23 states have call predecessors, (25), 24 states have call successors, (25) Word has length 221 [2021-05-02 21:38:05,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:05,361 INFO L225 Difference]: With dead ends: 227 [2021-05-02 21:38:05,361 INFO L226 Difference]: Without dead ends: 227 [2021-05-02 21:38:05,362 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 449.0ms TimeCoverageRelationStatistics Valid=852, Invalid=1404, Unknown=0, NotChecked=0, Total=2256 [2021-05-02 21:38:05,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-05-02 21:38:05,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-05-02 21:38:05,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 173 states have (on average 1.138728323699422) internal successors, (197), 173 states have internal predecessors, (197), 28 states have call successors, (28), 27 states have call predecessors, (28), 25 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2021-05-02 21:38:05,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 251 transitions. [2021-05-02 21:38:05,365 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 251 transitions. Word has length 221 [2021-05-02 21:38:05,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:05,366 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 251 transitions. [2021-05-02 21:38:05,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 6.384615384615385) internal successors, (166), 25 states have internal predecessors, (166), 25 states have call successors, (27), 25 states have call predecessors, (27), 23 states have return successors, (25), 23 states have call predecessors, (25), 24 states have call successors, (25) [2021-05-02 21:38:05,366 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 251 transitions. [2021-05-02 21:38:05,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-05-02 21:38:05,367 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:05,367 INFO L523 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 23, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:05,577 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-05-02 21:38:05,577 INFO L428 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:05,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:05,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1668553085, now seen corresponding path program 23 times [2021-05-02 21:38:05,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:05,578 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122163907] [2021-05-02 21:38:05,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:05,582 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:05,583 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1352296371] [2021-05-02 21:38:05,583 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:05,703 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2021-05-02 21:38:05,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:05,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 51 conjunts are in the unsatisfiable core [2021-05-02 21:38:05,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:05,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:05,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:06,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2373 backedges. 46 proven. 2323 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:06,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:06,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122163907] [2021-05-02 21:38:06,193 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:06,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352296371] [2021-05-02 21:38:06,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352296371] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:06,193 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:06,193 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2021-05-02 21:38:06,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383269020] [2021-05-02 21:38:06,193 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-05-02 21:38:06,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:06,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-05-02 21:38:06,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2021-05-02 21:38:06,194 INFO L87 Difference]: Start difference. First operand 227 states and 251 transitions. Second operand has 27 states, 27 states have (on average 6.407407407407407) internal successors, (173), 26 states have internal predecessors, (173), 26 states have call successors, (28), 26 states have call predecessors, (28), 24 states have return successors, (26), 24 states have call predecessors, (26), 25 states have call successors, (26) [2021-05-02 21:38:06,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:06,632 INFO L93 Difference]: Finished difference Result 236 states and 261 transitions. [2021-05-02 21:38:06,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-05-02 21:38:06,632 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.407407407407407) internal successors, (173), 26 states have internal predecessors, (173), 26 states have call successors, (28), 26 states have call predecessors, (28), 24 states have return successors, (26), 24 states have call predecessors, (26), 25 states have call successors, (26) Word has length 230 [2021-05-02 21:38:06,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:06,636 INFO L225 Difference]: With dead ends: 236 [2021-05-02 21:38:06,637 INFO L226 Difference]: Without dead ends: 236 [2021-05-02 21:38:06,637 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 499.8ms TimeCoverageRelationStatistics Valid=925, Invalid=1525, Unknown=0, NotChecked=0, Total=2450 [2021-05-02 21:38:06,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-05-02 21:38:06,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2021-05-02 21:38:06,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 180 states have (on average 1.1388888888888888) internal successors, (205), 180 states have internal predecessors, (205), 29 states have call successors, (29), 28 states have call predecessors, (29), 26 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2021-05-02 21:38:06,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 261 transitions. [2021-05-02 21:38:06,673 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 261 transitions. Word has length 230 [2021-05-02 21:38:06,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:06,674 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 261 transitions. [2021-05-02 21:38:06,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 6.407407407407407) internal successors, (173), 26 states have internal predecessors, (173), 26 states have call successors, (28), 26 states have call predecessors, (28), 24 states have return successors, (26), 24 states have call predecessors, (26), 25 states have call successors, (26) [2021-05-02 21:38:06,674 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 261 transitions. [2021-05-02 21:38:06,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-05-02 21:38:06,676 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:06,676 INFO L523 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 24, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:06,891 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-05-02 21:38:06,891 INFO L428 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:06,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:06,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1189055912, now seen corresponding path program 24 times [2021-05-02 21:38:06,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:06,892 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510841032] [2021-05-02 21:38:06,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:06,896 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:06,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [894862314] [2021-05-02 21:38:06,896 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:07,056 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2021-05-02 21:38:07,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:07,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 53 conjunts are in the unsatisfiable core [2021-05-02 21:38:07,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:07,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:07,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2584 backedges. 48 proven. 2532 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:07,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:07,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510841032] [2021-05-02 21:38:07,659 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:07,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894862314] [2021-05-02 21:38:07,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894862314] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:07,659 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:07,659 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2021-05-02 21:38:07,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589633523] [2021-05-02 21:38:07,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-05-02 21:38:07,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:07,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-05-02 21:38:07,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=403, Unknown=0, NotChecked=0, Total=756 [2021-05-02 21:38:07,660 INFO L87 Difference]: Start difference. First operand 236 states and 261 transitions. Second operand has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 27 states have internal predecessors, (180), 27 states have call successors, (29), 27 states have call predecessors, (29), 25 states have return successors, (27), 25 states have call predecessors, (27), 26 states have call successors, (27) [2021-05-02 21:38:08,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:08,236 INFO L93 Difference]: Finished difference Result 245 states and 271 transitions. [2021-05-02 21:38:08,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-05-02 21:38:08,237 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 27 states have internal predecessors, (180), 27 states have call successors, (29), 27 states have call predecessors, (29), 25 states have return successors, (27), 25 states have call predecessors, (27), 26 states have call successors, (27) Word has length 239 [2021-05-02 21:38:08,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:08,238 INFO L225 Difference]: With dead ends: 245 [2021-05-02 21:38:08,238 INFO L226 Difference]: Without dead ends: 245 [2021-05-02 21:38:08,238 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 625.1ms TimeCoverageRelationStatistics Valid=1001, Invalid=1651, Unknown=0, NotChecked=0, Total=2652 [2021-05-02 21:38:08,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2021-05-02 21:38:08,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2021-05-02 21:38:08,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 187 states have (on average 1.13903743315508) internal successors, (213), 187 states have internal predecessors, (213), 30 states have call successors, (30), 29 states have call predecessors, (30), 27 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2021-05-02 21:38:08,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 271 transitions. [2021-05-02 21:38:08,243 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 271 transitions. Word has length 239 [2021-05-02 21:38:08,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:08,243 INFO L480 AbstractCegarLoop]: Abstraction has 245 states and 271 transitions. [2021-05-02 21:38:08,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 27 states have internal predecessors, (180), 27 states have call successors, (29), 27 states have call predecessors, (29), 25 states have return successors, (27), 25 states have call predecessors, (27), 26 states have call successors, (27) [2021-05-02 21:38:08,243 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 271 transitions. [2021-05-02 21:38:08,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-05-02 21:38:08,244 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:08,244 INFO L523 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 25, 25, 25, 25, 25, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:08,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-05-02 21:38:08,460 INFO L428 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:08,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:08,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1533843933, now seen corresponding path program 25 times [2021-05-02 21:38:08,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:08,461 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489603681] [2021-05-02 21:38:08,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:08,465 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:08,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1609766084] [2021-05-02 21:38:08,465 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:38:08,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 55 conjunts are in the unsatisfiable core [2021-05-02 21:38:08,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:08,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:08,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:09,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2804 backedges. 50 proven. 2750 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:09,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:09,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489603681] [2021-05-02 21:38:09,186 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:09,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609766084] [2021-05-02 21:38:09,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609766084] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:09,186 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:09,186 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2021-05-02 21:38:09,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377320268] [2021-05-02 21:38:09,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-05-02 21:38:09,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:09,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-05-02 21:38:09,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=432, Unknown=0, NotChecked=0, Total=812 [2021-05-02 21:38:09,201 INFO L87 Difference]: Start difference. First operand 245 states and 271 transitions. Second operand has 29 states, 29 states have (on average 6.448275862068965) internal successors, (187), 28 states have internal predecessors, (187), 28 states have call successors, (30), 28 states have call predecessors, (30), 26 states have return successors, (28), 26 states have call predecessors, (28), 27 states have call successors, (28) [2021-05-02 21:38:09,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:09,715 INFO L93 Difference]: Finished difference Result 254 states and 281 transitions. [2021-05-02 21:38:09,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-05-02 21:38:09,716 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 6.448275862068965) internal successors, (187), 28 states have internal predecessors, (187), 28 states have call successors, (30), 28 states have call predecessors, (30), 26 states have return successors, (28), 26 states have call predecessors, (28), 27 states have call successors, (28) Word has length 248 [2021-05-02 21:38:09,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:09,717 INFO L225 Difference]: With dead ends: 254 [2021-05-02 21:38:09,717 INFO L226 Difference]: Without dead ends: 254 [2021-05-02 21:38:09,718 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 584.3ms TimeCoverageRelationStatistics Valid=1080, Invalid=1782, Unknown=0, NotChecked=0, Total=2862 [2021-05-02 21:38:09,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-05-02 21:38:09,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-05-02 21:38:09,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 194 states have (on average 1.1391752577319587) internal successors, (221), 194 states have internal predecessors, (221), 31 states have call successors, (31), 30 states have call predecessors, (31), 28 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2021-05-02 21:38:09,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 281 transitions. [2021-05-02 21:38:09,721 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 281 transitions. Word has length 248 [2021-05-02 21:38:09,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:09,721 INFO L480 AbstractCegarLoop]: Abstraction has 254 states and 281 transitions. [2021-05-02 21:38:09,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 6.448275862068965) internal successors, (187), 28 states have internal predecessors, (187), 28 states have call successors, (30), 28 states have call predecessors, (30), 26 states have return successors, (28), 26 states have call predecessors, (28), 27 states have call successors, (28) [2021-05-02 21:38:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 281 transitions. [2021-05-02 21:38:09,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-05-02 21:38:09,722 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:09,722 INFO L523 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 26, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:09,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-05-02 21:38:09,937 INFO L428 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:09,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:09,937 INFO L82 PathProgramCache]: Analyzing trace with hash -436304200, now seen corresponding path program 26 times [2021-05-02 21:38:09,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:09,937 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096880525] [2021-05-02 21:38:09,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:09,942 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:09,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1999606] [2021-05-02 21:38:09,943 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:10,039 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:38:10,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:10,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 57 conjunts are in the unsatisfiable core [2021-05-02 21:38:10,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:10,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:10,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3033 backedges. 52 proven. 2977 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:10,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:10,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096880525] [2021-05-02 21:38:10,659 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:10,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999606] [2021-05-02 21:38:10,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999606] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:10,660 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:10,660 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2021-05-02 21:38:10,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728209341] [2021-05-02 21:38:10,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-02 21:38:10,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:10,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-02 21:38:10,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=462, Unknown=0, NotChecked=0, Total=870 [2021-05-02 21:38:10,664 INFO L87 Difference]: Start difference. First operand 254 states and 281 transitions. Second operand has 30 states, 30 states have (on average 6.466666666666667) internal successors, (194), 29 states have internal predecessors, (194), 29 states have call successors, (31), 29 states have call predecessors, (31), 27 states have return successors, (29), 27 states have call predecessors, (29), 28 states have call successors, (29) [2021-05-02 21:38:11,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:11,280 INFO L93 Difference]: Finished difference Result 263 states and 291 transitions. [2021-05-02 21:38:11,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-05-02 21:38:11,280 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 6.466666666666667) internal successors, (194), 29 states have internal predecessors, (194), 29 states have call successors, (31), 29 states have call predecessors, (31), 27 states have return successors, (29), 27 states have call predecessors, (29), 28 states have call successors, (29) Word has length 257 [2021-05-02 21:38:11,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:11,281 INFO L225 Difference]: With dead ends: 263 [2021-05-02 21:38:11,281 INFO L226 Difference]: Without dead ends: 263 [2021-05-02 21:38:11,282 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 690.4ms TimeCoverageRelationStatistics Valid=1162, Invalid=1918, Unknown=0, NotChecked=0, Total=3080 [2021-05-02 21:38:11,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2021-05-02 21:38:11,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2021-05-02 21:38:11,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 201 states have (on average 1.1393034825870647) internal successors, (229), 201 states have internal predecessors, (229), 32 states have call successors, (32), 31 states have call predecessors, (32), 29 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2021-05-02 21:38:11,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 291 transitions. [2021-05-02 21:38:11,287 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 291 transitions. Word has length 257 [2021-05-02 21:38:11,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:11,287 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 291 transitions. [2021-05-02 21:38:11,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 6.466666666666667) internal successors, (194), 29 states have internal predecessors, (194), 29 states have call successors, (31), 29 states have call predecessors, (31), 27 states have return successors, (29), 27 states have call predecessors, (29), 28 states have call successors, (29) [2021-05-02 21:38:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 291 transitions. [2021-05-02 21:38:11,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-05-02 21:38:11,288 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:11,288 INFO L523 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 27, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:11,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:11,504 INFO L428 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:11,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:11,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1775648195, now seen corresponding path program 27 times [2021-05-02 21:38:11,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:11,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082096340] [2021-05-02 21:38:11,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:11,510 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:11,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [466729079] [2021-05-02 21:38:11,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:11,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2021-05-02 21:38:11,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:11,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 59 conjunts are in the unsatisfiable core [2021-05-02 21:38:11,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:11,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:11,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:12,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3271 backedges. 54 proven. 3213 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:12,389 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:12,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082096340] [2021-05-02 21:38:12,389 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:12,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466729079] [2021-05-02 21:38:12,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466729079] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:12,389 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:12,389 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2021-05-02 21:38:12,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109468438] [2021-05-02 21:38:12,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-02 21:38:12,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:12,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-02 21:38:12,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2021-05-02 21:38:12,390 INFO L87 Difference]: Start difference. First operand 263 states and 291 transitions. Second operand has 31 states, 31 states have (on average 6.483870967741935) internal successors, (201), 30 states have internal predecessors, (201), 30 states have call successors, (32), 30 states have call predecessors, (32), 28 states have return successors, (30), 28 states have call predecessors, (30), 29 states have call successors, (30) [2021-05-02 21:38:12,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:12,872 INFO L93 Difference]: Finished difference Result 272 states and 301 transitions. [2021-05-02 21:38:12,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-05-02 21:38:12,873 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 6.483870967741935) internal successors, (201), 30 states have internal predecessors, (201), 30 states have call successors, (32), 30 states have call predecessors, (32), 28 states have return successors, (30), 28 states have call predecessors, (30), 29 states have call successors, (30) Word has length 266 [2021-05-02 21:38:12,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:12,874 INFO L225 Difference]: With dead ends: 272 [2021-05-02 21:38:12,874 INFO L226 Difference]: Without dead ends: 272 [2021-05-02 21:38:12,874 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 611.2ms TimeCoverageRelationStatistics Valid=1247, Invalid=2059, Unknown=0, NotChecked=0, Total=3306 [2021-05-02 21:38:12,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-05-02 21:38:12,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2021-05-02 21:38:12,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 208 states have (on average 1.1394230769230769) internal successors, (237), 208 states have internal predecessors, (237), 33 states have call successors, (33), 32 states have call predecessors, (33), 30 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-05-02 21:38:12,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 301 transitions. [2021-05-02 21:38:12,878 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 301 transitions. Word has length 266 [2021-05-02 21:38:12,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:12,878 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 301 transitions. [2021-05-02 21:38:12,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 6.483870967741935) internal successors, (201), 30 states have internal predecessors, (201), 30 states have call successors, (32), 30 states have call predecessors, (32), 28 states have return successors, (30), 28 states have call predecessors, (30), 29 states have call successors, (30) [2021-05-02 21:38:12,878 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 301 transitions. [2021-05-02 21:38:12,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-05-02 21:38:12,879 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:12,879 INFO L523 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 28, 28, 28, 28, 28, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:13,089 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:13,090 INFO L428 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:13,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:13,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1189364504, now seen corresponding path program 28 times [2021-05-02 21:38:13,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:13,090 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27072443] [2021-05-02 21:38:13,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:13,101 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:13,101 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018404494] [2021-05-02 21:38:13,101 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:13,219 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:38:13,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:13,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 61 conjunts are in the unsatisfiable core [2021-05-02 21:38:13,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:13,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3518 backedges. 56 proven. 3458 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:13,869 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:13,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27072443] [2021-05-02 21:38:13,869 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:13,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018404494] [2021-05-02 21:38:13,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018404494] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:13,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:13,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2021-05-02 21:38:13,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364925951] [2021-05-02 21:38:13,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-05-02 21:38:13,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:13,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-05-02 21:38:13,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=467, Invalid=525, Unknown=0, NotChecked=0, Total=992 [2021-05-02 21:38:13,870 INFO L87 Difference]: Start difference. First operand 272 states and 301 transitions. Second operand has 32 states, 32 states have (on average 6.5) internal successors, (208), 31 states have internal predecessors, (208), 31 states have call successors, (33), 31 states have call predecessors, (33), 29 states have return successors, (31), 29 states have call predecessors, (31), 30 states have call successors, (31) [2021-05-02 21:38:14,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:14,410 INFO L93 Difference]: Finished difference Result 281 states and 311 transitions. [2021-05-02 21:38:14,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-05-02 21:38:14,410 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 6.5) internal successors, (208), 31 states have internal predecessors, (208), 31 states have call successors, (33), 31 states have call predecessors, (33), 29 states have return successors, (31), 29 states have call predecessors, (31), 30 states have call successors, (31) Word has length 275 [2021-05-02 21:38:14,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:14,411 INFO L225 Difference]: With dead ends: 281 [2021-05-02 21:38:14,411 INFO L226 Difference]: Without dead ends: 281 [2021-05-02 21:38:14,412 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 660.7ms TimeCoverageRelationStatistics Valid=1335, Invalid=2205, Unknown=0, NotChecked=0, Total=3540 [2021-05-02 21:38:14,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2021-05-02 21:38:14,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2021-05-02 21:38:14,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 215 states have (on average 1.1395348837209303) internal successors, (245), 215 states have internal predecessors, (245), 34 states have call successors, (34), 33 states have call predecessors, (34), 31 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-05-02 21:38:14,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 311 transitions. [2021-05-02 21:38:14,417 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 311 transitions. Word has length 275 [2021-05-02 21:38:14,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:14,417 INFO L480 AbstractCegarLoop]: Abstraction has 281 states and 311 transitions. [2021-05-02 21:38:14,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 6.5) internal successors, (208), 31 states have internal predecessors, (208), 31 states have call successors, (33), 31 states have call predecessors, (33), 29 states have return successors, (31), 29 states have call predecessors, (31), 30 states have call successors, (31) [2021-05-02 21:38:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 311 transitions. [2021-05-02 21:38:14,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-05-02 21:38:14,418 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:14,418 INFO L523 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 29, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:14,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:14,634 INFO L428 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:14,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:14,634 INFO L82 PathProgramCache]: Analyzing trace with hash -986813085, now seen corresponding path program 29 times [2021-05-02 21:38:14,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:14,634 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414385346] [2021-05-02 21:38:14,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:14,639 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:14,639 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [196255435] [2021-05-02 21:38:14,639 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:14,761 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2021-05-02 21:38:14,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:14,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 63 conjunts are in the unsatisfiable core [2021-05-02 21:38:14,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:14,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:14,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3774 backedges. 58 proven. 3712 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:15,435 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:15,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414385346] [2021-05-02 21:38:15,436 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:15,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196255435] [2021-05-02 21:38:15,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196255435] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:15,436 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:15,436 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2021-05-02 21:38:15,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601485656] [2021-05-02 21:38:15,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-05-02 21:38:15,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:15,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-05-02 21:38:15,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=558, Unknown=0, NotChecked=0, Total=1056 [2021-05-02 21:38:15,437 INFO L87 Difference]: Start difference. First operand 281 states and 311 transitions. Second operand has 33 states, 33 states have (on average 6.515151515151516) internal successors, (215), 32 states have internal predecessors, (215), 32 states have call successors, (34), 32 states have call predecessors, (34), 30 states have return successors, (32), 30 states have call predecessors, (32), 31 states have call successors, (32) [2021-05-02 21:38:15,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:15,966 INFO L93 Difference]: Finished difference Result 290 states and 321 transitions. [2021-05-02 21:38:15,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-05-02 21:38:15,966 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 6.515151515151516) internal successors, (215), 32 states have internal predecessors, (215), 32 states have call successors, (34), 32 states have call predecessors, (34), 30 states have return successors, (32), 30 states have call predecessors, (32), 31 states have call successors, (32) Word has length 284 [2021-05-02 21:38:15,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:15,967 INFO L225 Difference]: With dead ends: 290 [2021-05-02 21:38:15,967 INFO L226 Difference]: Without dead ends: 290 [2021-05-02 21:38:15,969 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 691.4ms TimeCoverageRelationStatistics Valid=1426, Invalid=2356, Unknown=0, NotChecked=0, Total=3782 [2021-05-02 21:38:15,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-05-02 21:38:15,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2021-05-02 21:38:15,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 222 states have (on average 1.1396396396396395) internal successors, (253), 222 states have internal predecessors, (253), 35 states have call successors, (35), 34 states have call predecessors, (35), 32 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-05-02 21:38:15,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 321 transitions. [2021-05-02 21:38:15,974 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 321 transitions. Word has length 284 [2021-05-02 21:38:15,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:15,974 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 321 transitions. [2021-05-02 21:38:15,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 6.515151515151516) internal successors, (215), 32 states have internal predecessors, (215), 32 states have call successors, (34), 32 states have call predecessors, (34), 30 states have return successors, (32), 30 states have call predecessors, (32), 31 states have call successors, (32) [2021-05-02 21:38:15,974 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 321 transitions. [2021-05-02 21:38:15,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-05-02 21:38:15,975 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:15,975 INFO L523 BasicCegarLoop]: trace histogram [31, 31, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:16,188 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-05-02 21:38:16,189 INFO L428 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:16,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:16,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1480042360, now seen corresponding path program 30 times [2021-05-02 21:38:16,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:16,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597169206] [2021-05-02 21:38:16,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:16,194 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:16,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [27139364] [2021-05-02 21:38:16,194 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:16,370 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) [2021-05-02 21:38:16,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:16,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 65 conjunts are in the unsatisfiable core [2021-05-02 21:38:16,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:16,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:16,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:17,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:17,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:17,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:17,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:17,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:17,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:17,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:17,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:17,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4039 backedges. 60 proven. 3975 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:17,079 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:17,079 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597169206] [2021-05-02 21:38:17,079 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:17,079 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27139364] [2021-05-02 21:38:17,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27139364] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:17,079 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:17,079 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2021-05-02 21:38:17,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198659116] [2021-05-02 21:38:17,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-05-02 21:38:17,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:17,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-05-02 21:38:17,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=592, Unknown=0, NotChecked=0, Total=1122 [2021-05-02 21:38:17,080 INFO L87 Difference]: Start difference. First operand 290 states and 321 transitions. Second operand has 34 states, 34 states have (on average 6.529411764705882) internal successors, (222), 33 states have internal predecessors, (222), 33 states have call successors, (35), 33 states have call predecessors, (35), 31 states have return successors, (33), 31 states have call predecessors, (33), 32 states have call successors, (33) [2021-05-02 21:38:17,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:17,678 INFO L93 Difference]: Finished difference Result 299 states and 331 transitions. [2021-05-02 21:38:17,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-05-02 21:38:17,679 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 6.529411764705882) internal successors, (222), 33 states have internal predecessors, (222), 33 states have call successors, (35), 33 states have call predecessors, (35), 31 states have return successors, (33), 31 states have call predecessors, (33), 32 states have call successors, (33) Word has length 293 [2021-05-02 21:38:17,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:17,680 INFO L225 Difference]: With dead ends: 299 [2021-05-02 21:38:17,680 INFO L226 Difference]: Without dead ends: 299 [2021-05-02 21:38:17,681 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 750.8ms TimeCoverageRelationStatistics Valid=1520, Invalid=2512, Unknown=0, NotChecked=0, Total=4032 [2021-05-02 21:38:17,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-05-02 21:38:17,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2021-05-02 21:38:17,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 229 states have (on average 1.1397379912663756) internal successors, (261), 229 states have internal predecessors, (261), 36 states have call successors, (36), 35 states have call predecessors, (36), 33 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2021-05-02 21:38:17,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 331 transitions. [2021-05-02 21:38:17,684 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 331 transitions. Word has length 293 [2021-05-02 21:38:17,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:17,684 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 331 transitions. [2021-05-02 21:38:17,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 6.529411764705882) internal successors, (222), 33 states have internal predecessors, (222), 33 states have call successors, (35), 33 states have call predecessors, (35), 31 states have return successors, (33), 31 states have call predecessors, (33), 32 states have call successors, (33) [2021-05-02 21:38:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 331 transitions. [2021-05-02 21:38:17,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-05-02 21:38:17,685 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:17,685 INFO L523 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 31, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:17,896 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:17,897 INFO L428 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:17,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:17,897 INFO L82 PathProgramCache]: Analyzing trace with hash -856296189, now seen corresponding path program 31 times [2021-05-02 21:38:17,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:17,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926944898] [2021-05-02 21:38:17,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:17,902 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:17,902 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1523852597] [2021-05-02 21:38:17,902 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:38:18,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 67 conjunts are in the unsatisfiable core [2021-05-02 21:38:18,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:18,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4313 backedges. 62 proven. 4247 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:18,768 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:18,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926944898] [2021-05-02 21:38:18,769 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:18,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523852597] [2021-05-02 21:38:18,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523852597] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:18,769 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:18,769 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2021-05-02 21:38:18,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939703518] [2021-05-02 21:38:18,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-05-02 21:38:18,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:18,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-05-02 21:38:18,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2021-05-02 21:38:18,770 INFO L87 Difference]: Start difference. First operand 299 states and 331 transitions. Second operand has 35 states, 35 states have (on average 6.542857142857143) internal successors, (229), 34 states have internal predecessors, (229), 34 states have call successors, (36), 34 states have call predecessors, (36), 32 states have return successors, (34), 32 states have call predecessors, (34), 33 states have call successors, (34) [2021-05-02 21:38:19,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:19,356 INFO L93 Difference]: Finished difference Result 308 states and 341 transitions. [2021-05-02 21:38:19,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-05-02 21:38:19,356 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 6.542857142857143) internal successors, (229), 34 states have internal predecessors, (229), 34 states have call successors, (36), 34 states have call predecessors, (36), 32 states have return successors, (34), 32 states have call predecessors, (34), 33 states have call successors, (34) Word has length 302 [2021-05-02 21:38:19,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:19,357 INFO L225 Difference]: With dead ends: 308 [2021-05-02 21:38:19,357 INFO L226 Difference]: Without dead ends: 308 [2021-05-02 21:38:19,358 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 785.5ms TimeCoverageRelationStatistics Valid=1617, Invalid=2673, Unknown=0, NotChecked=0, Total=4290 [2021-05-02 21:38:19,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-05-02 21:38:19,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2021-05-02 21:38:19,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 236 states have (on average 1.1398305084745763) internal successors, (269), 236 states have internal predecessors, (269), 37 states have call successors, (37), 36 states have call predecessors, (37), 34 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2021-05-02 21:38:19,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 341 transitions. [2021-05-02 21:38:19,362 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 341 transitions. Word has length 302 [2021-05-02 21:38:19,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:19,362 INFO L480 AbstractCegarLoop]: Abstraction has 308 states and 341 transitions. [2021-05-02 21:38:19,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 6.542857142857143) internal successors, (229), 34 states have internal predecessors, (229), 34 states have call successors, (36), 34 states have call predecessors, (36), 32 states have return successors, (34), 32 states have call predecessors, (34), 33 states have call successors, (34) [2021-05-02 21:38:19,362 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 341 transitions. [2021-05-02 21:38:19,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-05-02 21:38:19,363 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:19,364 INFO L523 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 32, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:19,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-05-02 21:38:19,577 INFO L428 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:19,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:19,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1998670888, now seen corresponding path program 32 times [2021-05-02 21:38:19,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:19,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941432511] [2021-05-02 21:38:19,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:19,583 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:19,583 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1805478911] [2021-05-02 21:38:19,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:19,687 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:38:19,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:19,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 69 conjunts are in the unsatisfiable core [2021-05-02 21:38:19,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:19,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:19,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4596 backedges. 64 proven. 4528 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:20,511 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:20,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941432511] [2021-05-02 21:38:20,511 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:20,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805478911] [2021-05-02 21:38:20,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805478911] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:20,511 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:20,511 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2021-05-02 21:38:20,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608336150] [2021-05-02 21:38:20,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-02 21:38:20,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:20,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-02 21:38:20,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=597, Invalid=663, Unknown=0, NotChecked=0, Total=1260 [2021-05-02 21:38:20,512 INFO L87 Difference]: Start difference. First operand 308 states and 341 transitions. Second operand has 36 states, 36 states have (on average 6.555555555555555) internal successors, (236), 35 states have internal predecessors, (236), 35 states have call successors, (37), 35 states have call predecessors, (37), 33 states have return successors, (35), 33 states have call predecessors, (35), 34 states have call successors, (35) [2021-05-02 21:38:21,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:21,182 INFO L93 Difference]: Finished difference Result 317 states and 351 transitions. [2021-05-02 21:38:21,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-05-02 21:38:21,182 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 6.555555555555555) internal successors, (236), 35 states have internal predecessors, (236), 35 states have call successors, (37), 35 states have call predecessors, (37), 33 states have return successors, (35), 33 states have call predecessors, (35), 34 states have call successors, (35) Word has length 311 [2021-05-02 21:38:21,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:21,183 INFO L225 Difference]: With dead ends: 317 [2021-05-02 21:38:21,183 INFO L226 Difference]: Without dead ends: 317 [2021-05-02 21:38:21,184 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 861.3ms TimeCoverageRelationStatistics Valid=1717, Invalid=2839, Unknown=0, NotChecked=0, Total=4556 [2021-05-02 21:38:21,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-05-02 21:38:21,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2021-05-02 21:38:21,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 243 states have (on average 1.139917695473251) internal successors, (277), 243 states have internal predecessors, (277), 38 states have call successors, (38), 37 states have call predecessors, (38), 35 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2021-05-02 21:38:21,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 351 transitions. [2021-05-02 21:38:21,187 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 351 transitions. Word has length 311 [2021-05-02 21:38:21,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:21,187 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 351 transitions. [2021-05-02 21:38:21,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 6.555555555555555) internal successors, (236), 35 states have internal predecessors, (236), 35 states have call successors, (37), 35 states have call predecessors, (37), 33 states have return successors, (35), 33 states have call predecessors, (35), 34 states have call successors, (35) [2021-05-02 21:38:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 351 transitions. [2021-05-02 21:38:21,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-05-02 21:38:21,189 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:21,189 INFO L523 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 33, 33, 33, 33, 33, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:21,404 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:21,404 INFO L428 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:21,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:21,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1963381923, now seen corresponding path program 33 times [2021-05-02 21:38:21,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:21,405 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975415066] [2021-05-02 21:38:21,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:21,414 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:21,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976326972] [2021-05-02 21:38:21,414 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:21,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 34 check-sat command(s) [2021-05-02 21:38:21,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:21,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 71 conjunts are in the unsatisfiable core [2021-05-02 21:38:21,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:21,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:21,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4888 backedges. 66 proven. 4818 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:22,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:22,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975415066] [2021-05-02 21:38:22,433 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:22,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976326972] [2021-05-02 21:38:22,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976326972] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:22,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:22,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2021-05-02 21:38:22,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102066651] [2021-05-02 21:38:22,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-05-02 21:38:22,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:22,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-05-02 21:38:22,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=700, Unknown=0, NotChecked=0, Total=1332 [2021-05-02 21:38:22,435 INFO L87 Difference]: Start difference. First operand 317 states and 351 transitions. Second operand has 37 states, 37 states have (on average 6.5675675675675675) internal successors, (243), 36 states have internal predecessors, (243), 36 states have call successors, (38), 36 states have call predecessors, (38), 34 states have return successors, (36), 34 states have call predecessors, (36), 35 states have call successors, (36) [2021-05-02 21:38:23,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:23,085 INFO L93 Difference]: Finished difference Result 326 states and 361 transitions. [2021-05-02 21:38:23,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-05-02 21:38:23,086 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 6.5675675675675675) internal successors, (243), 36 states have internal predecessors, (243), 36 states have call successors, (38), 36 states have call predecessors, (38), 34 states have return successors, (36), 34 states have call predecessors, (36), 35 states have call successors, (36) Word has length 320 [2021-05-02 21:38:23,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:23,087 INFO L225 Difference]: With dead ends: 326 [2021-05-02 21:38:23,087 INFO L226 Difference]: Without dead ends: 326 [2021-05-02 21:38:23,087 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 900.5ms TimeCoverageRelationStatistics Valid=1820, Invalid=3010, Unknown=0, NotChecked=0, Total=4830 [2021-05-02 21:38:23,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-05-02 21:38:23,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2021-05-02 21:38:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 250 states have (on average 1.14) internal successors, (285), 250 states have internal predecessors, (285), 39 states have call successors, (39), 38 states have call predecessors, (39), 36 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2021-05-02 21:38:23,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 361 transitions. [2021-05-02 21:38:23,091 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 361 transitions. Word has length 320 [2021-05-02 21:38:23,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:23,091 INFO L480 AbstractCegarLoop]: Abstraction has 326 states and 361 transitions. [2021-05-02 21:38:23,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 6.5675675675675675) internal successors, (243), 36 states have internal predecessors, (243), 36 states have call successors, (38), 36 states have call predecessors, (38), 34 states have return successors, (36), 34 states have call predecessors, (36), 35 states have call successors, (36) [2021-05-02 21:38:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 361 transitions. [2021-05-02 21:38:23,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-05-02 21:38:23,092 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:23,093 INFO L523 BasicCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 34, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:23,309 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-05-02 21:38:23,309 INFO L428 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:23,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:23,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1707120584, now seen corresponding path program 34 times [2021-05-02 21:38:23,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:23,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642717823] [2021-05-02 21:38:23,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:23,315 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:23,315 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1638183120] [2021-05-02 21:38:23,315 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:23,428 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:38:23,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:23,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 73 conjunts are in the unsatisfiable core [2021-05-02 21:38:23,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:23,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:23,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 5189 backedges. 68 proven. 5117 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:24,268 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:24,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642717823] [2021-05-02 21:38:24,268 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:24,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638183120] [2021-05-02 21:38:24,268 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638183120] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:24,268 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:24,268 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2021-05-02 21:38:24,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619668690] [2021-05-02 21:38:24,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-05-02 21:38:24,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:24,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-05-02 21:38:24,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=738, Unknown=0, NotChecked=0, Total=1406 [2021-05-02 21:38:24,269 INFO L87 Difference]: Start difference. First operand 326 states and 361 transitions. Second operand has 38 states, 38 states have (on average 6.578947368421052) internal successors, (250), 37 states have internal predecessors, (250), 37 states have call successors, (39), 37 states have call predecessors, (39), 35 states have return successors, (37), 35 states have call predecessors, (37), 36 states have call successors, (37) [2021-05-02 21:38:24,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:24,965 INFO L93 Difference]: Finished difference Result 335 states and 371 transitions. [2021-05-02 21:38:24,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-05-02 21:38:24,965 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 6.578947368421052) internal successors, (250), 37 states have internal predecessors, (250), 37 states have call successors, (39), 37 states have call predecessors, (39), 35 states have return successors, (37), 35 states have call predecessors, (37), 36 states have call successors, (37) Word has length 329 [2021-05-02 21:38:24,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:24,966 INFO L225 Difference]: With dead ends: 335 [2021-05-02 21:38:24,966 INFO L226 Difference]: Without dead ends: 335 [2021-05-02 21:38:24,967 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 934.2ms TimeCoverageRelationStatistics Valid=1926, Invalid=3186, Unknown=0, NotChecked=0, Total=5112 [2021-05-02 21:38:24,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-05-02 21:38:24,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2021-05-02 21:38:24,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 257 states have (on average 1.140077821011673) internal successors, (293), 257 states have internal predecessors, (293), 40 states have call successors, (40), 39 states have call predecessors, (40), 37 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2021-05-02 21:38:24,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 371 transitions. [2021-05-02 21:38:24,970 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 371 transitions. Word has length 329 [2021-05-02 21:38:24,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:24,971 INFO L480 AbstractCegarLoop]: Abstraction has 335 states and 371 transitions. [2021-05-02 21:38:24,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 6.578947368421052) internal successors, (250), 37 states have internal predecessors, (250), 37 states have call successors, (39), 37 states have call predecessors, (39), 35 states have return successors, (37), 35 states have call predecessors, (37), 36 states have call successors, (37) [2021-05-02 21:38:24,971 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 371 transitions. [2021-05-02 21:38:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-05-02 21:38:24,972 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:24,972 INFO L523 BasicCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 35, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:25,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-05-02 21:38:25,181 INFO L428 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:25,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:25,181 INFO L82 PathProgramCache]: Analyzing trace with hash 784010307, now seen corresponding path program 35 times [2021-05-02 21:38:25,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:25,181 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173604938] [2021-05-02 21:38:25,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:25,190 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:25,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2104520503] [2021-05-02 21:38:25,190 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:25,337 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 36 check-sat command(s) [2021-05-02 21:38:25,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:25,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 75 conjunts are in the unsatisfiable core [2021-05-02 21:38:25,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:25,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:25,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:26,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5499 backedges. 70 proven. 5425 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:26,229 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:26,229 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173604938] [2021-05-02 21:38:26,229 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:26,229 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104520503] [2021-05-02 21:38:26,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104520503] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:26,229 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:26,229 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2021-05-02 21:38:26,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577764006] [2021-05-02 21:38:26,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-05-02 21:38:26,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:26,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-05-02 21:38:26,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=705, Invalid=777, Unknown=0, NotChecked=0, Total=1482 [2021-05-02 21:38:26,230 INFO L87 Difference]: Start difference. First operand 335 states and 371 transitions. Second operand has 39 states, 39 states have (on average 6.589743589743589) internal successors, (257), 38 states have internal predecessors, (257), 38 states have call successors, (40), 38 states have call predecessors, (40), 36 states have return successors, (38), 36 states have call predecessors, (38), 37 states have call successors, (38) [2021-05-02 21:38:26,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:26,958 INFO L93 Difference]: Finished difference Result 344 states and 381 transitions. [2021-05-02 21:38:26,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-05-02 21:38:26,959 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 6.589743589743589) internal successors, (257), 38 states have internal predecessors, (257), 38 states have call successors, (40), 38 states have call predecessors, (40), 36 states have return successors, (38), 36 states have call predecessors, (38), 37 states have call successors, (38) Word has length 338 [2021-05-02 21:38:26,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:26,960 INFO L225 Difference]: With dead ends: 344 [2021-05-02 21:38:26,960 INFO L226 Difference]: Without dead ends: 344 [2021-05-02 21:38:26,960 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 998.1ms TimeCoverageRelationStatistics Valid=2035, Invalid=3367, Unknown=0, NotChecked=0, Total=5402 [2021-05-02 21:38:26,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-05-02 21:38:26,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2021-05-02 21:38:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 264 states have (on average 1.1401515151515151) internal successors, (301), 264 states have internal predecessors, (301), 41 states have call successors, (41), 40 states have call predecessors, (41), 38 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-05-02 21:38:26,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 381 transitions. [2021-05-02 21:38:26,964 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 381 transitions. Word has length 338 [2021-05-02 21:38:26,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:26,964 INFO L480 AbstractCegarLoop]: Abstraction has 344 states and 381 transitions. [2021-05-02 21:38:26,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 6.589743589743589) internal successors, (257), 38 states have internal predecessors, (257), 38 states have call successors, (40), 38 states have call predecessors, (40), 36 states have return successors, (38), 36 states have call predecessors, (38), 37 states have call successors, (38) [2021-05-02 21:38:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 381 transitions. [2021-05-02 21:38:26,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-05-02 21:38:26,966 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:26,966 INFO L523 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 36, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:27,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-05-02 21:38:27,181 INFO L428 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:27,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:27,181 INFO L82 PathProgramCache]: Analyzing trace with hash 4179096, now seen corresponding path program 36 times [2021-05-02 21:38:27,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:27,181 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072267791] [2021-05-02 21:38:27,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:27,186 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:27,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1532316700] [2021-05-02 21:38:27,186 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:27,406 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 37 check-sat command(s) [2021-05-02 21:38:27,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:27,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 77 conjunts are in the unsatisfiable core [2021-05-02 21:38:27,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:27,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:27,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:28,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5818 backedges. 72 proven. 5742 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:28,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:28,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072267791] [2021-05-02 21:38:28,364 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:28,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532316700] [2021-05-02 21:38:28,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532316700] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:28,364 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:28,364 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2021-05-02 21:38:28,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135923626] [2021-05-02 21:38:28,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-05-02 21:38:28,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:28,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-05-02 21:38:28,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=743, Invalid=817, Unknown=0, NotChecked=0, Total=1560 [2021-05-02 21:38:28,365 INFO L87 Difference]: Start difference. First operand 344 states and 381 transitions. Second operand has 40 states, 40 states have (on average 6.6) internal successors, (264), 39 states have internal predecessors, (264), 39 states have call successors, (41), 39 states have call predecessors, (41), 37 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2021-05-02 21:38:29,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:29,134 INFO L93 Difference]: Finished difference Result 353 states and 391 transitions. [2021-05-02 21:38:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-05-02 21:38:29,134 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 6.6) internal successors, (264), 39 states have internal predecessors, (264), 39 states have call successors, (41), 39 states have call predecessors, (41), 37 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) Word has length 347 [2021-05-02 21:38:29,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:29,135 INFO L225 Difference]: With dead ends: 353 [2021-05-02 21:38:29,135 INFO L226 Difference]: Without dead ends: 353 [2021-05-02 21:38:29,136 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 1039.4ms TimeCoverageRelationStatistics Valid=2147, Invalid=3553, Unknown=0, NotChecked=0, Total=5700 [2021-05-02 21:38:29,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-05-02 21:38:29,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-05-02 21:38:29,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 271 states have (on average 1.1402214022140222) internal successors, (309), 271 states have internal predecessors, (309), 42 states have call successors, (42), 41 states have call predecessors, (42), 39 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-05-02 21:38:29,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 391 transitions. [2021-05-02 21:38:29,140 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 391 transitions. Word has length 347 [2021-05-02 21:38:29,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:29,140 INFO L480 AbstractCegarLoop]: Abstraction has 353 states and 391 transitions. [2021-05-02 21:38:29,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 6.6) internal successors, (264), 39 states have internal predecessors, (264), 39 states have call successors, (41), 39 states have call predecessors, (41), 37 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2021-05-02 21:38:29,141 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 391 transitions. [2021-05-02 21:38:29,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-05-02 21:38:29,142 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:29,142 INFO L523 BasicCegarLoop]: trace histogram [38, 38, 37, 37, 37, 37, 37, 37, 37, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:29,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-05-02 21:38:29,349 INFO L428 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:29,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:29,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1997759517, now seen corresponding path program 37 times [2021-05-02 21:38:29,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:29,350 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510559584] [2021-05-02 21:38:29,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:29,355 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:29,355 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1876695841] [2021-05-02 21:38:29,355 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:38:29,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 79 conjunts are in the unsatisfiable core [2021-05-02 21:38:29,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:29,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:29,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:30,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6146 backedges. 74 proven. 6068 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:30,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:30,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510559584] [2021-05-02 21:38:30,426 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:30,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876695841] [2021-05-02 21:38:30,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876695841] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:30,426 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:30,426 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2021-05-02 21:38:30,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658837370] [2021-05-02 21:38:30,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-05-02 21:38:30,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:30,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-05-02 21:38:30,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=858, Unknown=0, NotChecked=0, Total=1640 [2021-05-02 21:38:30,427 INFO L87 Difference]: Start difference. First operand 353 states and 391 transitions. Second operand has 41 states, 41 states have (on average 6.609756097560975) internal successors, (271), 40 states have internal predecessors, (271), 40 states have call successors, (42), 40 states have call predecessors, (42), 38 states have return successors, (40), 38 states have call predecessors, (40), 39 states have call successors, (40) [2021-05-02 21:38:31,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:31,208 INFO L93 Difference]: Finished difference Result 362 states and 401 transitions. [2021-05-02 21:38:31,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-05-02 21:38:31,208 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 6.609756097560975) internal successors, (271), 40 states have internal predecessors, (271), 40 states have call successors, (42), 40 states have call predecessors, (42), 38 states have return successors, (40), 38 states have call predecessors, (40), 39 states have call successors, (40) Word has length 356 [2021-05-02 21:38:31,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:31,209 INFO L225 Difference]: With dead ends: 362 [2021-05-02 21:38:31,209 INFO L226 Difference]: Without dead ends: 362 [2021-05-02 21:38:31,210 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 1094.7ms TimeCoverageRelationStatistics Valid=2262, Invalid=3744, Unknown=0, NotChecked=0, Total=6006 [2021-05-02 21:38:31,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-05-02 21:38:31,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2021-05-02 21:38:31,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 278 states have (on average 1.1402877697841727) internal successors, (317), 278 states have internal predecessors, (317), 43 states have call successors, (43), 42 states have call predecessors, (43), 40 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2021-05-02 21:38:31,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 401 transitions. [2021-05-02 21:38:31,213 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 401 transitions. Word has length 356 [2021-05-02 21:38:31,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:31,214 INFO L480 AbstractCegarLoop]: Abstraction has 362 states and 401 transitions. [2021-05-02 21:38:31,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 6.609756097560975) internal successors, (271), 40 states have internal predecessors, (271), 40 states have call successors, (42), 40 states have call predecessors, (42), 38 states have return successors, (40), 38 states have call predecessors, (40), 39 states have call successors, (40) [2021-05-02 21:38:31,214 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 401 transitions. [2021-05-02 21:38:31,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-05-02 21:38:31,215 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:31,215 INFO L523 BasicCegarLoop]: trace histogram [39, 39, 38, 38, 38, 38, 38, 38, 38, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:31,431 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:31,431 INFO L428 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:31,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:31,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1095092472, now seen corresponding path program 38 times [2021-05-02 21:38:31,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:31,431 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753512683] [2021-05-02 21:38:31,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:31,438 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:31,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [584326812] [2021-05-02 21:38:31,438 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:31,556 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:38:31,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:31,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 81 conjunts are in the unsatisfiable core [2021-05-02 21:38:31,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:31,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:31,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:32,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6483 backedges. 76 proven. 6403 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:32,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:32,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753512683] [2021-05-02 21:38:32,546 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:32,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584326812] [2021-05-02 21:38:32,546 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584326812] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:32,546 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:32,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2021-05-02 21:38:32,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682898348] [2021-05-02 21:38:32,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-05-02 21:38:32,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:32,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-05-02 21:38:32,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=822, Invalid=900, Unknown=0, NotChecked=0, Total=1722 [2021-05-02 21:38:32,548 INFO L87 Difference]: Start difference. First operand 362 states and 401 transitions. Second operand has 42 states, 42 states have (on average 6.619047619047619) internal successors, (278), 41 states have internal predecessors, (278), 41 states have call successors, (43), 41 states have call predecessors, (43), 39 states have return successors, (41), 39 states have call predecessors, (41), 40 states have call successors, (41) [2021-05-02 21:38:33,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:33,385 INFO L93 Difference]: Finished difference Result 371 states and 411 transitions. [2021-05-02 21:38:33,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-05-02 21:38:33,385 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 6.619047619047619) internal successors, (278), 41 states have internal predecessors, (278), 41 states have call successors, (43), 41 states have call predecessors, (43), 39 states have return successors, (41), 39 states have call predecessors, (41), 40 states have call successors, (41) Word has length 365 [2021-05-02 21:38:33,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:33,386 INFO L225 Difference]: With dead ends: 371 [2021-05-02 21:38:33,386 INFO L226 Difference]: Without dead ends: 371 [2021-05-02 21:38:33,387 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 1147.3ms TimeCoverageRelationStatistics Valid=2380, Invalid=3940, Unknown=0, NotChecked=0, Total=6320 [2021-05-02 21:38:33,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2021-05-02 21:38:33,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2021-05-02 21:38:33,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 285 states have (on average 1.1403508771929824) internal successors, (325), 285 states have internal predecessors, (325), 44 states have call successors, (44), 43 states have call predecessors, (44), 41 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2021-05-02 21:38:33,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 411 transitions. [2021-05-02 21:38:33,391 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 411 transitions. Word has length 365 [2021-05-02 21:38:33,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:33,391 INFO L480 AbstractCegarLoop]: Abstraction has 371 states and 411 transitions. [2021-05-02 21:38:33,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 6.619047619047619) internal successors, (278), 41 states have internal predecessors, (278), 41 states have call successors, (43), 41 states have call predecessors, (43), 39 states have return successors, (41), 39 states have call predecessors, (41), 40 states have call successors, (41) [2021-05-02 21:38:33,391 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 411 transitions. [2021-05-02 21:38:33,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-05-02 21:38:33,393 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:33,393 INFO L523 BasicCegarLoop]: trace histogram [40, 40, 39, 39, 39, 39, 39, 39, 39, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:33,608 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-05-02 21:38:33,609 INFO L428 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:33,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:33,609 INFO L82 PathProgramCache]: Analyzing trace with hash -805993597, now seen corresponding path program 39 times [2021-05-02 21:38:33,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:33,609 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007904899] [2021-05-02 21:38:33,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:33,614 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:33,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1112069895] [2021-05-02 21:38:33,614 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:33,831 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 40 check-sat command(s) [2021-05-02 21:38:33,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:33,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 83 conjunts are in the unsatisfiable core [2021-05-02 21:38:33,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:33,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:33,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:34,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6829 backedges. 78 proven. 6747 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:34,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:34,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007904899] [2021-05-02 21:38:34,871 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:34,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112069895] [2021-05-02 21:38:34,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112069895] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:34,871 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:34,871 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2021-05-02 21:38:34,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813127653] [2021-05-02 21:38:34,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-05-02 21:38:34,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:34,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-05-02 21:38:34,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=863, Invalid=943, Unknown=0, NotChecked=0, Total=1806 [2021-05-02 21:38:34,872 INFO L87 Difference]: Start difference. First operand 371 states and 411 transitions. Second operand has 43 states, 43 states have (on average 6.627906976744186) internal successors, (285), 42 states have internal predecessors, (285), 42 states have call successors, (44), 42 states have call predecessors, (44), 40 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2021-05-02 21:38:35,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:35,831 INFO L93 Difference]: Finished difference Result 380 states and 421 transitions. [2021-05-02 21:38:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-05-02 21:38:35,836 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 6.627906976744186) internal successors, (285), 42 states have internal predecessors, (285), 42 states have call successors, (44), 42 states have call predecessors, (44), 40 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) Word has length 374 [2021-05-02 21:38:35,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:35,838 INFO L225 Difference]: With dead ends: 380 [2021-05-02 21:38:35,838 INFO L226 Difference]: Without dead ends: 380 [2021-05-02 21:38:35,838 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 1271.6ms TimeCoverageRelationStatistics Valid=2501, Invalid=4141, Unknown=0, NotChecked=0, Total=6642 [2021-05-02 21:38:35,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2021-05-02 21:38:35,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2021-05-02 21:38:35,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 292 states have (on average 1.1404109589041096) internal successors, (333), 292 states have internal predecessors, (333), 45 states have call successors, (45), 44 states have call predecessors, (45), 42 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2021-05-02 21:38:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 421 transitions. [2021-05-02 21:38:35,842 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 421 transitions. Word has length 374 [2021-05-02 21:38:35,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:35,842 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 421 transitions. [2021-05-02 21:38:35,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 6.627906976744186) internal successors, (285), 42 states have internal predecessors, (285), 42 states have call successors, (44), 42 states have call predecessors, (44), 40 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2021-05-02 21:38:35,843 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 421 transitions. [2021-05-02 21:38:35,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-05-02 21:38:35,844 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:35,844 INFO L523 BasicCegarLoop]: trace histogram [41, 41, 40, 40, 40, 40, 40, 40, 40, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:36,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:36,065 INFO L428 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:36,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:36,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1446475096, now seen corresponding path program 40 times [2021-05-02 21:38:36,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:36,065 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901236035] [2021-05-02 21:38:36,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:36,086 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:36,086 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [197421989] [2021-05-02 21:38:36,086 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:36,270 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:38:36,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:36,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 85 conjunts are in the unsatisfiable core [2021-05-02 21:38:36,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:36,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:36,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:37,387 INFO L134 CoverageAnalysis]: Checked inductivity of 7184 backedges. 80 proven. 7100 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:37,387 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:37,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901236035] [2021-05-02 21:38:37,387 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:37,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197421989] [2021-05-02 21:38:37,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197421989] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:37,387 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:37,387 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2021-05-02 21:38:37,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543473895] [2021-05-02 21:38:37,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-05-02 21:38:37,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:37,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-05-02 21:38:37,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=905, Invalid=987, Unknown=0, NotChecked=0, Total=1892 [2021-05-02 21:38:37,388 INFO L87 Difference]: Start difference. First operand 380 states and 421 transitions. Second operand has 44 states, 44 states have (on average 6.636363636363637) internal successors, (292), 43 states have internal predecessors, (292), 43 states have call successors, (45), 43 states have call predecessors, (45), 41 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) [2021-05-02 21:38:38,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:38,332 INFO L93 Difference]: Finished difference Result 389 states and 431 transitions. [2021-05-02 21:38:38,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-05-02 21:38:38,332 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 6.636363636363637) internal successors, (292), 43 states have internal predecessors, (292), 43 states have call successors, (45), 43 states have call predecessors, (45), 41 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) Word has length 383 [2021-05-02 21:38:38,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:38,344 INFO L225 Difference]: With dead ends: 389 [2021-05-02 21:38:38,344 INFO L226 Difference]: Without dead ends: 389 [2021-05-02 21:38:38,345 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 820 ImplicationChecksByTransitivity, 1314.5ms TimeCoverageRelationStatistics Valid=2625, Invalid=4347, Unknown=0, NotChecked=0, Total=6972 [2021-05-02 21:38:38,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2021-05-02 21:38:38,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2021-05-02 21:38:38,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 299 states have (on average 1.140468227424749) internal successors, (341), 299 states have internal predecessors, (341), 46 states have call successors, (46), 45 states have call predecessors, (46), 43 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2021-05-02 21:38:38,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 431 transitions. [2021-05-02 21:38:38,349 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 431 transitions. Word has length 383 [2021-05-02 21:38:38,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:38,349 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 431 transitions. [2021-05-02 21:38:38,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 6.636363636363637) internal successors, (292), 43 states have internal predecessors, (292), 43 states have call successors, (45), 43 states have call predecessors, (45), 41 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) [2021-05-02 21:38:38,349 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 431 transitions. [2021-05-02 21:38:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2021-05-02 21:38:38,351 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:38,351 INFO L523 BasicCegarLoop]: trace histogram [42, 42, 41, 41, 41, 41, 41, 41, 41, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:38,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:38,565 INFO L428 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:38,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:38,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1380990173, now seen corresponding path program 41 times [2021-05-02 21:38:38,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:38,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594346802] [2021-05-02 21:38:38,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:38,570 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:38,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1396710539] [2021-05-02 21:38:38,570 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:38,740 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 42 check-sat command(s) [2021-05-02 21:38:38,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:38,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 87 conjunts are in the unsatisfiable core [2021-05-02 21:38:38,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:38,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:38,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:39,896 INFO L134 CoverageAnalysis]: Checked inductivity of 7548 backedges. 82 proven. 7462 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:39,897 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:39,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594346802] [2021-05-02 21:38:39,897 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:39,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396710539] [2021-05-02 21:38:39,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396710539] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:39,897 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:39,897 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2021-05-02 21:38:39,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734402123] [2021-05-02 21:38:39,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-05-02 21:38:39,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:39,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-05-02 21:38:39,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=948, Invalid=1032, Unknown=0, NotChecked=0, Total=1980 [2021-05-02 21:38:39,898 INFO L87 Difference]: Start difference. First operand 389 states and 431 transitions. Second operand has 45 states, 45 states have (on average 6.644444444444445) internal successors, (299), 44 states have internal predecessors, (299), 44 states have call successors, (46), 44 states have call predecessors, (46), 42 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2021-05-02 21:38:40,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:40,837 INFO L93 Difference]: Finished difference Result 398 states and 441 transitions. [2021-05-02 21:38:40,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-05-02 21:38:40,837 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 6.644444444444445) internal successors, (299), 44 states have internal predecessors, (299), 44 states have call successors, (46), 44 states have call predecessors, (46), 42 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) Word has length 392 [2021-05-02 21:38:40,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:40,838 INFO L225 Difference]: With dead ends: 398 [2021-05-02 21:38:40,838 INFO L226 Difference]: Without dead ends: 398 [2021-05-02 21:38:40,839 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 861 ImplicationChecksByTransitivity, 1334.7ms TimeCoverageRelationStatistics Valid=2752, Invalid=4558, Unknown=0, NotChecked=0, Total=7310 [2021-05-02 21:38:40,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2021-05-02 21:38:40,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2021-05-02 21:38:40,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 306 states have (on average 1.1405228758169934) internal successors, (349), 306 states have internal predecessors, (349), 47 states have call successors, (47), 46 states have call predecessors, (47), 44 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2021-05-02 21:38:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 441 transitions. [2021-05-02 21:38:40,843 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 441 transitions. Word has length 392 [2021-05-02 21:38:40,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:40,843 INFO L480 AbstractCegarLoop]: Abstraction has 398 states and 441 transitions. [2021-05-02 21:38:40,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 6.644444444444445) internal successors, (299), 44 states have internal predecessors, (299), 44 states have call successors, (46), 44 states have call predecessors, (46), 42 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2021-05-02 21:38:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 441 transitions. [2021-05-02 21:38:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-05-02 21:38:40,845 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:40,845 INFO L523 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 42, 42, 42, 42, 42, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:41,060 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-05-02 21:38:41,061 INFO L428 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:41,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:41,061 INFO L82 PathProgramCache]: Analyzing trace with hash 175819192, now seen corresponding path program 42 times [2021-05-02 21:38:41,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:41,061 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635941130] [2021-05-02 21:38:41,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:41,066 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:41,066 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1155448604] [2021-05-02 21:38:41,066 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:41,336 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 43 check-sat command(s) [2021-05-02 21:38:41,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:41,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 89 conjunts are in the unsatisfiable core [2021-05-02 21:38:41,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:41,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:41,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:42,520 INFO L134 CoverageAnalysis]: Checked inductivity of 7921 backedges. 84 proven. 7833 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:42,520 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:42,520 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635941130] [2021-05-02 21:38:42,520 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:42,520 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155448604] [2021-05-02 21:38:42,520 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155448604] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:42,520 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:42,520 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2021-05-02 21:38:42,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464937804] [2021-05-02 21:38:42,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-05-02 21:38:42,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:42,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-05-02 21:38:42,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=992, Invalid=1078, Unknown=0, NotChecked=0, Total=2070 [2021-05-02 21:38:42,521 INFO L87 Difference]: Start difference. First operand 398 states and 441 transitions. Second operand has 46 states, 46 states have (on average 6.6521739130434785) internal successors, (306), 45 states have internal predecessors, (306), 45 states have call successors, (47), 45 states have call predecessors, (47), 43 states have return successors, (45), 43 states have call predecessors, (45), 44 states have call successors, (45) [2021-05-02 21:38:43,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:43,615 INFO L93 Difference]: Finished difference Result 407 states and 451 transitions. [2021-05-02 21:38:43,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-05-02 21:38:43,616 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 6.6521739130434785) internal successors, (306), 45 states have internal predecessors, (306), 45 states have call successors, (47), 45 states have call predecessors, (47), 43 states have return successors, (45), 43 states have call predecessors, (45), 44 states have call successors, (45) Word has length 401 [2021-05-02 21:38:43,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:43,617 INFO L225 Difference]: With dead ends: 407 [2021-05-02 21:38:43,617 INFO L226 Difference]: Without dead ends: 407 [2021-05-02 21:38:43,624 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 903 ImplicationChecksByTransitivity, 1500.7ms TimeCoverageRelationStatistics Valid=2882, Invalid=4774, Unknown=0, NotChecked=0, Total=7656 [2021-05-02 21:38:43,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2021-05-02 21:38:43,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2021-05-02 21:38:43,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 313 states have (on average 1.1405750798722045) internal successors, (357), 313 states have internal predecessors, (357), 48 states have call successors, (48), 47 states have call predecessors, (48), 45 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2021-05-02 21:38:43,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 451 transitions. [2021-05-02 21:38:43,629 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 451 transitions. Word has length 401 [2021-05-02 21:38:43,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:43,629 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 451 transitions. [2021-05-02 21:38:43,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 6.6521739130434785) internal successors, (306), 45 states have internal predecessors, (306), 45 states have call successors, (47), 45 states have call predecessors, (47), 43 states have return successors, (45), 43 states have call predecessors, (45), 44 states have call successors, (45) [2021-05-02 21:38:43,629 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 451 transitions. [2021-05-02 21:38:43,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2021-05-02 21:38:43,631 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:43,631 INFO L523 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 43, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:43,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-05-02 21:38:43,845 INFO L428 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:43,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:43,845 INFO L82 PathProgramCache]: Analyzing trace with hash -915055933, now seen corresponding path program 43 times [2021-05-02 21:38:43,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:43,845 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746644100] [2021-05-02 21:38:43,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:43,850 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:43,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1567298830] [2021-05-02 21:38:43,850 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:38:43,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 91 conjunts are in the unsatisfiable core [2021-05-02 21:38:43,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:43,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:43,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:43,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:44,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:45,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:45,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:45,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:45,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:45,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:45,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:45,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:45,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:45,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:45,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:45,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:45,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:45,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:45,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 8303 backedges. 86 proven. 8213 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:45,208 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:45,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746644100] [2021-05-02 21:38:45,208 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:45,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567298830] [2021-05-02 21:38:45,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567298830] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:45,208 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:45,208 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2021-05-02 21:38:45,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585442225] [2021-05-02 21:38:45,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-05-02 21:38:45,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:45,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-05-02 21:38:45,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1037, Invalid=1125, Unknown=0, NotChecked=0, Total=2162 [2021-05-02 21:38:45,209 INFO L87 Difference]: Start difference. First operand 407 states and 451 transitions. Second operand has 47 states, 47 states have (on average 6.659574468085107) internal successors, (313), 46 states have internal predecessors, (313), 46 states have call successors, (48), 46 states have call predecessors, (48), 44 states have return successors, (46), 44 states have call predecessors, (46), 45 states have call successors, (46) [2021-05-02 21:38:46,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:46,237 INFO L93 Difference]: Finished difference Result 416 states and 461 transitions. [2021-05-02 21:38:46,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-05-02 21:38:46,237 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 6.659574468085107) internal successors, (313), 46 states have internal predecessors, (313), 46 states have call successors, (48), 46 states have call predecessors, (48), 44 states have return successors, (46), 44 states have call predecessors, (46), 45 states have call successors, (46) Word has length 410 [2021-05-02 21:38:46,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:46,244 INFO L225 Difference]: With dead ends: 416 [2021-05-02 21:38:46,244 INFO L226 Difference]: Without dead ends: 416 [2021-05-02 21:38:46,244 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 946 ImplicationChecksByTransitivity, 1448.9ms TimeCoverageRelationStatistics Valid=3015, Invalid=4995, Unknown=0, NotChecked=0, Total=8010 [2021-05-02 21:38:46,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-05-02 21:38:46,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2021-05-02 21:38:46,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 320 states have (on average 1.140625) internal successors, (365), 320 states have internal predecessors, (365), 49 states have call successors, (49), 48 states have call predecessors, (49), 46 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2021-05-02 21:38:46,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 461 transitions. [2021-05-02 21:38:46,248 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 461 transitions. Word has length 410 [2021-05-02 21:38:46,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:46,249 INFO L480 AbstractCegarLoop]: Abstraction has 416 states and 461 transitions. [2021-05-02 21:38:46,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 6.659574468085107) internal successors, (313), 46 states have internal predecessors, (313), 46 states have call successors, (48), 46 states have call predecessors, (48), 44 states have return successors, (46), 44 states have call predecessors, (46), 45 states have call successors, (46) [2021-05-02 21:38:46,249 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 461 transitions. [2021-05-02 21:38:46,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-05-02 21:38:46,250 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:46,251 INFO L523 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 44, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:46,465 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-05-02 21:38:46,465 INFO L428 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:46,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:46,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1542833688, now seen corresponding path program 44 times [2021-05-02 21:38:46,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:46,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817484549] [2021-05-02 21:38:46,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:46,472 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:46,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [487906595] [2021-05-02 21:38:46,472 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:46,605 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:38:46,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:46,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 93 conjunts are in the unsatisfiable core [2021-05-02 21:38:46,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:46,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:46,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:47,857 INFO L134 CoverageAnalysis]: Checked inductivity of 8694 backedges. 88 proven. 8602 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:47,857 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:47,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817484549] [2021-05-02 21:38:47,857 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:47,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487906595] [2021-05-02 21:38:47,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487906595] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:47,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:47,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2021-05-02 21:38:47,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136802305] [2021-05-02 21:38:47,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-05-02 21:38:47,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:47,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-05-02 21:38:47,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1083, Invalid=1173, Unknown=0, NotChecked=0, Total=2256 [2021-05-02 21:38:47,858 INFO L87 Difference]: Start difference. First operand 416 states and 461 transitions. Second operand has 48 states, 48 states have (on average 6.666666666666667) internal successors, (320), 47 states have internal predecessors, (320), 47 states have call successors, (49), 47 states have call predecessors, (49), 45 states have return successors, (47), 45 states have call predecessors, (47), 46 states have call successors, (47) [2021-05-02 21:38:48,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:48,965 INFO L93 Difference]: Finished difference Result 425 states and 471 transitions. [2021-05-02 21:38:48,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-05-02 21:38:48,966 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 6.666666666666667) internal successors, (320), 47 states have internal predecessors, (320), 47 states have call successors, (49), 47 states have call predecessors, (49), 45 states have return successors, (47), 45 states have call predecessors, (47), 46 states have call successors, (47) Word has length 419 [2021-05-02 21:38:48,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:48,967 INFO L225 Difference]: With dead ends: 425 [2021-05-02 21:38:48,967 INFO L226 Difference]: Without dead ends: 425 [2021-05-02 21:38:48,968 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 990 ImplicationChecksByTransitivity, 1517.1ms TimeCoverageRelationStatistics Valid=3151, Invalid=5221, Unknown=0, NotChecked=0, Total=8372 [2021-05-02 21:38:48,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-05-02 21:38:48,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2021-05-02 21:38:48,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 327 states have (on average 1.1406727828746177) internal successors, (373), 327 states have internal predecessors, (373), 50 states have call successors, (50), 49 states have call predecessors, (50), 47 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2021-05-02 21:38:48,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 471 transitions. [2021-05-02 21:38:48,972 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 471 transitions. Word has length 419 [2021-05-02 21:38:48,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:48,972 INFO L480 AbstractCegarLoop]: Abstraction has 425 states and 471 transitions. [2021-05-02 21:38:48,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 6.666666666666667) internal successors, (320), 47 states have internal predecessors, (320), 47 states have call successors, (49), 47 states have call predecessors, (49), 45 states have return successors, (47), 45 states have call predecessors, (47), 46 states have call successors, (47) [2021-05-02 21:38:48,973 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 471 transitions. [2021-05-02 21:38:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-05-02 21:38:48,974 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:48,974 INFO L523 BasicCegarLoop]: trace histogram [46, 46, 45, 45, 45, 45, 45, 45, 45, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:49,190 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:49,191 INFO L428 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:49,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:49,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1746946659, now seen corresponding path program 45 times [2021-05-02 21:38:49,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:49,191 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291626515] [2021-05-02 21:38:49,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:49,196 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:49,196 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1336976646] [2021-05-02 21:38:49,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:49,454 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 46 check-sat command(s) [2021-05-02 21:38:49,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:49,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 95 conjunts are in the unsatisfiable core [2021-05-02 21:38:49,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:49,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:49,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:50,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9094 backedges. 90 proven. 9000 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:50,772 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:50,772 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291626515] [2021-05-02 21:38:50,772 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:50,772 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336976646] [2021-05-02 21:38:50,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336976646] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:50,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:50,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2021-05-02 21:38:50,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239821595] [2021-05-02 21:38:50,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-05-02 21:38:50,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:50,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-05-02 21:38:50,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1130, Invalid=1222, Unknown=0, NotChecked=0, Total=2352 [2021-05-02 21:38:50,773 INFO L87 Difference]: Start difference. First operand 425 states and 471 transitions. Second operand has 49 states, 49 states have (on average 6.673469387755102) internal successors, (327), 48 states have internal predecessors, (327), 48 states have call successors, (50), 48 states have call predecessors, (50), 46 states have return successors, (48), 46 states have call predecessors, (48), 47 states have call successors, (48) [2021-05-02 21:38:51,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:51,897 INFO L93 Difference]: Finished difference Result 434 states and 481 transitions. [2021-05-02 21:38:51,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-05-02 21:38:51,898 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 6.673469387755102) internal successors, (327), 48 states have internal predecessors, (327), 48 states have call successors, (50), 48 states have call predecessors, (50), 46 states have return successors, (48), 46 states have call predecessors, (48), 47 states have call successors, (48) Word has length 428 [2021-05-02 21:38:51,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:51,899 INFO L225 Difference]: With dead ends: 434 [2021-05-02 21:38:51,899 INFO L226 Difference]: Without dead ends: 434 [2021-05-02 21:38:51,900 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 1595.9ms TimeCoverageRelationStatistics Valid=3290, Invalid=5452, Unknown=0, NotChecked=0, Total=8742 [2021-05-02 21:38:51,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2021-05-02 21:38:51,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2021-05-02 21:38:51,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 334 states have (on average 1.1407185628742516) internal successors, (381), 334 states have internal predecessors, (381), 51 states have call successors, (51), 50 states have call predecessors, (51), 48 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2021-05-02 21:38:51,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 481 transitions. [2021-05-02 21:38:51,904 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 481 transitions. Word has length 428 [2021-05-02 21:38:51,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:51,904 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 481 transitions. [2021-05-02 21:38:51,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 6.673469387755102) internal successors, (327), 48 states have internal predecessors, (327), 48 states have call successors, (50), 48 states have call predecessors, (50), 46 states have return successors, (48), 46 states have call predecessors, (48), 47 states have call successors, (48) [2021-05-02 21:38:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 481 transitions. [2021-05-02 21:38:51,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-05-02 21:38:51,906 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:51,906 INFO L523 BasicCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 46, 46, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:52,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-05-02 21:38:52,117 INFO L428 AbstractCegarLoop]: === Iteration 50 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:52,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:52,117 INFO L82 PathProgramCache]: Analyzing trace with hash -619812232, now seen corresponding path program 46 times [2021-05-02 21:38:52,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:52,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4457973] [2021-05-02 21:38:52,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:52,122 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:52,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [798607677] [2021-05-02 21:38:52,122 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:52,261 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:38:52,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:52,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 97 conjunts are in the unsatisfiable core [2021-05-02 21:38:52,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:52,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:52,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:53,610 INFO L134 CoverageAnalysis]: Checked inductivity of 9503 backedges. 92 proven. 9407 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:53,610 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:53,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4457973] [2021-05-02 21:38:53,610 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:53,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798607677] [2021-05-02 21:38:53,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798607677] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:53,610 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:53,610 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2021-05-02 21:38:53,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201116094] [2021-05-02 21:38:53,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-05-02 21:38:53,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:53,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-05-02 21:38:53,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1178, Invalid=1272, Unknown=0, NotChecked=0, Total=2450 [2021-05-02 21:38:53,611 INFO L87 Difference]: Start difference. First operand 434 states and 481 transitions. Second operand has 50 states, 50 states have (on average 6.68) internal successors, (334), 49 states have internal predecessors, (334), 49 states have call successors, (51), 49 states have call predecessors, (51), 47 states have return successors, (49), 47 states have call predecessors, (49), 48 states have call successors, (49) [2021-05-02 21:38:54,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:54,771 INFO L93 Difference]: Finished difference Result 443 states and 491 transitions. [2021-05-02 21:38:54,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-05-02 21:38:54,772 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 6.68) internal successors, (334), 49 states have internal predecessors, (334), 49 states have call successors, (51), 49 states have call predecessors, (51), 47 states have return successors, (49), 47 states have call predecessors, (49), 48 states have call successors, (49) Word has length 437 [2021-05-02 21:38:54,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:54,773 INFO L225 Difference]: With dead ends: 443 [2021-05-02 21:38:54,773 INFO L226 Difference]: Without dead ends: 443 [2021-05-02 21:38:54,773 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 1661.1ms TimeCoverageRelationStatistics Valid=3432, Invalid=5688, Unknown=0, NotChecked=0, Total=9120 [2021-05-02 21:38:54,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-05-02 21:38:54,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2021-05-02 21:38:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 341 states have (on average 1.1407624633431086) internal successors, (389), 341 states have internal predecessors, (389), 52 states have call successors, (52), 51 states have call predecessors, (52), 49 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2021-05-02 21:38:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 491 transitions. [2021-05-02 21:38:54,777 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 491 transitions. Word has length 437 [2021-05-02 21:38:54,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:54,778 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 491 transitions. [2021-05-02 21:38:54,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 6.68) internal successors, (334), 49 states have internal predecessors, (334), 49 states have call successors, (51), 49 states have call predecessors, (51), 47 states have return successors, (49), 47 states have call predecessors, (49), 48 states have call successors, (49) [2021-05-02 21:38:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 491 transitions. [2021-05-02 21:38:54,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2021-05-02 21:38:54,780 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:54,780 INFO L523 BasicCegarLoop]: trace histogram [48, 48, 47, 47, 47, 47, 47, 47, 47, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:54,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-05-02 21:38:54,995 INFO L428 AbstractCegarLoop]: === Iteration 51 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:54,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:54,995 INFO L82 PathProgramCache]: Analyzing trace with hash 202019331, now seen corresponding path program 47 times [2021-05-02 21:38:54,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:54,995 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090658860] [2021-05-02 21:38:54,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:55,000 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:55,000 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1296203652] [2021-05-02 21:38:55,000 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:55,214 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 48 check-sat command(s) [2021-05-02 21:38:55,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:55,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 99 conjunts are in the unsatisfiable core [2021-05-02 21:38:55,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:55,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:55,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 9921 backedges. 94 proven. 9823 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:56,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:56,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090658860] [2021-05-02 21:38:56,602 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:56,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296203652] [2021-05-02 21:38:56,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296203652] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:56,603 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:56,603 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2021-05-02 21:38:56,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232829675] [2021-05-02 21:38:56,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-05-02 21:38:56,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:56,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-05-02 21:38:56,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1227, Invalid=1323, Unknown=0, NotChecked=0, Total=2550 [2021-05-02 21:38:56,604 INFO L87 Difference]: Start difference. First operand 443 states and 491 transitions. Second operand has 51 states, 51 states have (on average 6.686274509803922) internal successors, (341), 50 states have internal predecessors, (341), 50 states have call successors, (52), 50 states have call predecessors, (52), 48 states have return successors, (50), 48 states have call predecessors, (50), 49 states have call successors, (50) [2021-05-02 21:38:57,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:38:57,808 INFO L93 Difference]: Finished difference Result 452 states and 501 transitions. [2021-05-02 21:38:57,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-05-02 21:38:57,809 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 6.686274509803922) internal successors, (341), 50 states have internal predecessors, (341), 50 states have call successors, (52), 50 states have call predecessors, (52), 48 states have return successors, (50), 48 states have call predecessors, (50), 49 states have call successors, (50) Word has length 446 [2021-05-02 21:38:57,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:38:57,810 INFO L225 Difference]: With dead ends: 452 [2021-05-02 21:38:57,810 INFO L226 Difference]: Without dead ends: 452 [2021-05-02 21:38:57,811 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1128 ImplicationChecksByTransitivity, 1723.1ms TimeCoverageRelationStatistics Valid=3577, Invalid=5929, Unknown=0, NotChecked=0, Total=9506 [2021-05-02 21:38:57,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2021-05-02 21:38:57,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2021-05-02 21:38:57,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 348 states have (on average 1.1408045977011494) internal successors, (397), 348 states have internal predecessors, (397), 53 states have call successors, (53), 52 states have call predecessors, (53), 50 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2021-05-02 21:38:57,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 501 transitions. [2021-05-02 21:38:57,815 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 501 transitions. Word has length 446 [2021-05-02 21:38:57,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:38:57,815 INFO L480 AbstractCegarLoop]: Abstraction has 452 states and 501 transitions. [2021-05-02 21:38:57,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 6.686274509803922) internal successors, (341), 50 states have internal predecessors, (341), 50 states have call successors, (52), 50 states have call predecessors, (52), 48 states have return successors, (50), 48 states have call predecessors, (50), 49 states have call successors, (50) [2021-05-02 21:38:57,815 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 501 transitions. [2021-05-02 21:38:57,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-05-02 21:38:57,817 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:38:57,817 INFO L523 BasicCegarLoop]: trace histogram [49, 49, 48, 48, 48, 48, 48, 48, 48, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:38:58,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:58,029 INFO L428 AbstractCegarLoop]: === Iteration 52 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:38:58,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:38:58,029 INFO L82 PathProgramCache]: Analyzing trace with hash 178960088, now seen corresponding path program 48 times [2021-05-02 21:38:58,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:38:58,029 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205979517] [2021-05-02 21:38:58,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:38:58,034 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:38:58,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1939066087] [2021-05-02 21:38:58,035 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:38:58,364 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 49 check-sat command(s) [2021-05-02 21:38:58,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:38:58,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 101 conjunts are in the unsatisfiable core [2021-05-02 21:38:58,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:38:58,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:58,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:38:59,809 INFO L134 CoverageAnalysis]: Checked inductivity of 10348 backedges. 96 proven. 10248 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:38:59,809 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:38:59,809 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205979517] [2021-05-02 21:38:59,809 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:38:59,809 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939066087] [2021-05-02 21:38:59,809 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939066087] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:38:59,810 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:38:59,810 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2021-05-02 21:38:59,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111040068] [2021-05-02 21:38:59,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-05-02 21:38:59,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:38:59,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-05-02 21:38:59,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1277, Invalid=1375, Unknown=0, NotChecked=0, Total=2652 [2021-05-02 21:38:59,811 INFO L87 Difference]: Start difference. First operand 452 states and 501 transitions. Second operand has 52 states, 52 states have (on average 6.6923076923076925) internal successors, (348), 51 states have internal predecessors, (348), 51 states have call successors, (53), 51 states have call predecessors, (53), 49 states have return successors, (51), 49 states have call predecessors, (51), 50 states have call successors, (51) [2021-05-02 21:39:01,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:39:01,117 INFO L93 Difference]: Finished difference Result 461 states and 511 transitions. [2021-05-02 21:39:01,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-05-02 21:39:01,118 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 6.6923076923076925) internal successors, (348), 51 states have internal predecessors, (348), 51 states have call successors, (53), 51 states have call predecessors, (53), 49 states have return successors, (51), 49 states have call predecessors, (51), 50 states have call successors, (51) Word has length 455 [2021-05-02 21:39:01,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:39:01,119 INFO L225 Difference]: With dead ends: 461 [2021-05-02 21:39:01,119 INFO L226 Difference]: Without dead ends: 461 [2021-05-02 21:39:01,120 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 1837.2ms TimeCoverageRelationStatistics Valid=3725, Invalid=6175, Unknown=0, NotChecked=0, Total=9900 [2021-05-02 21:39:01,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-05-02 21:39:01,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 461. [2021-05-02 21:39:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 355 states have (on average 1.1408450704225352) internal successors, (405), 355 states have internal predecessors, (405), 54 states have call successors, (54), 53 states have call predecessors, (54), 51 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-05-02 21:39:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 511 transitions. [2021-05-02 21:39:01,124 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 511 transitions. Word has length 455 [2021-05-02 21:39:01,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:39:01,124 INFO L480 AbstractCegarLoop]: Abstraction has 461 states and 511 transitions. [2021-05-02 21:39:01,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 6.6923076923076925) internal successors, (348), 51 states have internal predecessors, (348), 51 states have call successors, (53), 51 states have call predecessors, (53), 49 states have return successors, (51), 49 states have call predecessors, (51), 50 states have call successors, (51) [2021-05-02 21:39:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 511 transitions. [2021-05-02 21:39:01,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2021-05-02 21:39:01,126 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:39:01,126 INFO L523 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 49, 49, 49, 49, 49, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:39:01,336 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-05-02 21:39:01,337 INFO L428 AbstractCegarLoop]: === Iteration 53 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:39:01,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:39:01,337 INFO L82 PathProgramCache]: Analyzing trace with hash 353251747, now seen corresponding path program 49 times [2021-05-02 21:39:01,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:39:01,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540249734] [2021-05-02 21:39:01,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:39:01,342 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:39:01,342 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434188059] [2021-05-02 21:39:01,342 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:39:01,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 103 conjunts are in the unsatisfiable core [2021-05-02 21:39:01,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:39:01,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:01,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:02,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:03,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:03,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:03,028 INFO L134 CoverageAnalysis]: Checked inductivity of 10784 backedges. 98 proven. 10682 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:39:03,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:39:03,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540249734] [2021-05-02 21:39:03,029 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:39:03,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434188059] [2021-05-02 21:39:03,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434188059] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:39:03,029 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:39:03,029 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2021-05-02 21:39:03,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713448918] [2021-05-02 21:39:03,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-02 21:39:03,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:39:03,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-02 21:39:03,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1328, Invalid=1428, Unknown=0, NotChecked=0, Total=2756 [2021-05-02 21:39:03,030 INFO L87 Difference]: Start difference. First operand 461 states and 511 transitions. Second operand has 53 states, 53 states have (on average 6.69811320754717) internal successors, (355), 52 states have internal predecessors, (355), 52 states have call successors, (54), 52 states have call predecessors, (54), 50 states have return successors, (52), 50 states have call predecessors, (52), 51 states have call successors, (52) [2021-05-02 21:39:04,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:39:04,401 INFO L93 Difference]: Finished difference Result 470 states and 521 transitions. [2021-05-02 21:39:04,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-05-02 21:39:04,402 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 6.69811320754717) internal successors, (355), 52 states have internal predecessors, (355), 52 states have call successors, (54), 52 states have call predecessors, (54), 50 states have return successors, (52), 50 states have call predecessors, (52), 51 states have call successors, (52) Word has length 464 [2021-05-02 21:39:04,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:39:04,403 INFO L225 Difference]: With dead ends: 470 [2021-05-02 21:39:04,403 INFO L226 Difference]: Without dead ends: 470 [2021-05-02 21:39:04,404 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1225 ImplicationChecksByTransitivity, 1927.3ms TimeCoverageRelationStatistics Valid=3876, Invalid=6426, Unknown=0, NotChecked=0, Total=10302 [2021-05-02 21:39:04,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2021-05-02 21:39:04,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2021-05-02 21:39:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 362 states have (on average 1.1408839779005524) internal successors, (413), 362 states have internal predecessors, (413), 55 states have call successors, (55), 54 states have call predecessors, (55), 52 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2021-05-02 21:39:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 521 transitions. [2021-05-02 21:39:04,408 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 521 transitions. Word has length 464 [2021-05-02 21:39:04,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:39:04,408 INFO L480 AbstractCegarLoop]: Abstraction has 470 states and 521 transitions. [2021-05-02 21:39:04,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 6.69811320754717) internal successors, (355), 52 states have internal predecessors, (355), 52 states have call successors, (54), 52 states have call predecessors, (54), 50 states have return successors, (52), 50 states have call predecessors, (52), 51 states have call successors, (52) [2021-05-02 21:39:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 521 transitions. [2021-05-02 21:39:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-05-02 21:39:04,411 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:39:04,411 INFO L523 BasicCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 50, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:39:04,616 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:04,617 INFO L428 AbstractCegarLoop]: === Iteration 54 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:39:04,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:39:04,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1070552264, now seen corresponding path program 50 times [2021-05-02 21:39:04,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:39:04,617 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099905268] [2021-05-02 21:39:04,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:39:04,622 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:39:04,622 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1717464367] [2021-05-02 21:39:04,622 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:04,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:39:04,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:39:04,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 105 conjunts are in the unsatisfiable core [2021-05-02 21:39:04,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:39:04,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:04,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:05,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:06,426 INFO L134 CoverageAnalysis]: Checked inductivity of 11229 backedges. 100 proven. 11125 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:39:06,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:39:06,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099905268] [2021-05-02 21:39:06,426 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:39:06,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717464367] [2021-05-02 21:39:06,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717464367] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:39:06,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:39:06,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2021-05-02 21:39:06,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498237159] [2021-05-02 21:39:06,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-05-02 21:39:06,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:39:06,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-05-02 21:39:06,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1380, Invalid=1482, Unknown=0, NotChecked=0, Total=2862 [2021-05-02 21:39:06,428 INFO L87 Difference]: Start difference. First operand 470 states and 521 transitions. Second operand has 54 states, 54 states have (on average 6.703703703703703) internal successors, (362), 53 states have internal predecessors, (362), 53 states have call successors, (55), 53 states have call predecessors, (55), 51 states have return successors, (53), 51 states have call predecessors, (53), 52 states have call successors, (53) [2021-05-02 21:39:07,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:39:07,841 INFO L93 Difference]: Finished difference Result 479 states and 531 transitions. [2021-05-02 21:39:07,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-05-02 21:39:07,841 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 6.703703703703703) internal successors, (362), 53 states have internal predecessors, (362), 53 states have call successors, (55), 53 states have call predecessors, (55), 51 states have return successors, (53), 51 states have call predecessors, (53), 52 states have call successors, (53) Word has length 473 [2021-05-02 21:39:07,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:39:07,843 INFO L225 Difference]: With dead ends: 479 [2021-05-02 21:39:07,843 INFO L226 Difference]: Without dead ends: 479 [2021-05-02 21:39:07,843 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1275 ImplicationChecksByTransitivity, 2038.8ms TimeCoverageRelationStatistics Valid=4030, Invalid=6682, Unknown=0, NotChecked=0, Total=10712 [2021-05-02 21:39:07,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2021-05-02 21:39:07,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 479. [2021-05-02 21:39:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 369 states have (on average 1.1409214092140922) internal successors, (421), 369 states have internal predecessors, (421), 56 states have call successors, (56), 55 states have call predecessors, (56), 53 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2021-05-02 21:39:07,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 531 transitions. [2021-05-02 21:39:07,847 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 531 transitions. Word has length 473 [2021-05-02 21:39:07,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:39:07,848 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 531 transitions. [2021-05-02 21:39:07,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 6.703703703703703) internal successors, (362), 53 states have internal predecessors, (362), 53 states have call successors, (55), 53 states have call predecessors, (55), 51 states have return successors, (53), 51 states have call predecessors, (53), 52 states have call successors, (53) [2021-05-02 21:39:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 531 transitions. [2021-05-02 21:39:07,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-05-02 21:39:07,850 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:39:07,850 INFO L523 BasicCegarLoop]: trace histogram [52, 52, 51, 51, 51, 51, 51, 51, 51, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:39:08,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-05-02 21:39:08,052 INFO L428 AbstractCegarLoop]: === Iteration 55 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:39:08,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:39:08,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1619339587, now seen corresponding path program 51 times [2021-05-02 21:39:08,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:39:08,052 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55490137] [2021-05-02 21:39:08,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:39:08,059 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:39:08,059 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [49112192] [2021-05-02 21:39:08,059 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:08,377 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 52 check-sat command(s) [2021-05-02 21:39:08,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:39:08,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 1300 conjuncts, 107 conjunts are in the unsatisfiable core [2021-05-02 21:39:08,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:39:08,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:08,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:09,999 INFO L134 CoverageAnalysis]: Checked inductivity of 11683 backedges. 102 proven. 11577 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:39:09,999 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:39:09,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55490137] [2021-05-02 21:39:09,999 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:39:10,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49112192] [2021-05-02 21:39:10,000 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49112192] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:39:10,000 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:39:10,000 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2021-05-02 21:39:10,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819513156] [2021-05-02 21:39:10,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-05-02 21:39:10,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:39:10,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-05-02 21:39:10,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1433, Invalid=1537, Unknown=0, NotChecked=0, Total=2970 [2021-05-02 21:39:10,001 INFO L87 Difference]: Start difference. First operand 479 states and 531 transitions. Second operand has 55 states, 55 states have (on average 6.709090909090909) internal successors, (369), 54 states have internal predecessors, (369), 54 states have call successors, (56), 54 states have call predecessors, (56), 52 states have return successors, (54), 52 states have call predecessors, (54), 53 states have call successors, (54) [2021-05-02 21:39:11,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:39:11,414 INFO L93 Difference]: Finished difference Result 488 states and 541 transitions. [2021-05-02 21:39:11,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-05-02 21:39:11,415 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 6.709090909090909) internal successors, (369), 54 states have internal predecessors, (369), 54 states have call successors, (56), 54 states have call predecessors, (56), 52 states have return successors, (54), 52 states have call predecessors, (54), 53 states have call successors, (54) Word has length 482 [2021-05-02 21:39:11,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:39:11,416 INFO L225 Difference]: With dead ends: 488 [2021-05-02 21:39:11,416 INFO L226 Difference]: Without dead ends: 488 [2021-05-02 21:39:11,417 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1326 ImplicationChecksByTransitivity, 2051.5ms TimeCoverageRelationStatistics Valid=4187, Invalid=6943, Unknown=0, NotChecked=0, Total=11130 [2021-05-02 21:39:11,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2021-05-02 21:39:11,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2021-05-02 21:39:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 376 states have (on average 1.1409574468085106) internal successors, (429), 376 states have internal predecessors, (429), 57 states have call successors, (57), 56 states have call predecessors, (57), 54 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2021-05-02 21:39:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 541 transitions. [2021-05-02 21:39:11,421 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 541 transitions. Word has length 482 [2021-05-02 21:39:11,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:39:11,421 INFO L480 AbstractCegarLoop]: Abstraction has 488 states and 541 transitions. [2021-05-02 21:39:11,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 6.709090909090909) internal successors, (369), 54 states have internal predecessors, (369), 54 states have call successors, (56), 54 states have call predecessors, (56), 52 states have return successors, (54), 52 states have call predecessors, (54), 53 states have call successors, (54) [2021-05-02 21:39:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 541 transitions. [2021-05-02 21:39:11,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2021-05-02 21:39:11,423 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:39:11,423 INFO L523 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 52, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:39:11,624 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-05-02 21:39:11,624 INFO L428 AbstractCegarLoop]: === Iteration 56 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:39:11,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:39:11,624 INFO L82 PathProgramCache]: Analyzing trace with hash -2088351848, now seen corresponding path program 52 times [2021-05-02 21:39:11,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:39:11,624 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978313043] [2021-05-02 21:39:11,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:39:11,630 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:39:11,630 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1913435445] [2021-05-02 21:39:11,630 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:11,786 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:39:11,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:39:11,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 109 conjunts are in the unsatisfiable core [2021-05-02 21:39:11,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:39:11,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:11,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:12,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:13,469 INFO L134 CoverageAnalysis]: Checked inductivity of 12146 backedges. 104 proven. 12038 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:39:13,469 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:39:13,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978313043] [2021-05-02 21:39:13,469 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:39:13,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913435445] [2021-05-02 21:39:13,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913435445] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:39:13,469 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:39:13,469 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2021-05-02 21:39:13,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870920952] [2021-05-02 21:39:13,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-05-02 21:39:13,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:39:13,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-05-02 21:39:13,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1487, Invalid=1593, Unknown=0, NotChecked=0, Total=3080 [2021-05-02 21:39:13,471 INFO L87 Difference]: Start difference. First operand 488 states and 541 transitions. Second operand has 56 states, 56 states have (on average 6.714285714285714) internal successors, (376), 55 states have internal predecessors, (376), 55 states have call successors, (57), 55 states have call predecessors, (57), 53 states have return successors, (55), 53 states have call predecessors, (55), 54 states have call successors, (55) [2021-05-02 21:39:14,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:39:14,965 INFO L93 Difference]: Finished difference Result 497 states and 551 transitions. [2021-05-02 21:39:14,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-05-02 21:39:14,965 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 6.714285714285714) internal successors, (376), 55 states have internal predecessors, (376), 55 states have call successors, (57), 55 states have call predecessors, (57), 53 states have return successors, (55), 53 states have call predecessors, (55), 54 states have call successors, (55) Word has length 491 [2021-05-02 21:39:14,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:39:14,966 INFO L225 Difference]: With dead ends: 497 [2021-05-02 21:39:14,966 INFO L226 Difference]: Without dead ends: 497 [2021-05-02 21:39:14,967 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 436 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1378 ImplicationChecksByTransitivity, 2142.5ms TimeCoverageRelationStatistics Valid=4347, Invalid=7209, Unknown=0, NotChecked=0, Total=11556 [2021-05-02 21:39:14,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2021-05-02 21:39:14,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 497. [2021-05-02 21:39:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 383 states have (on average 1.1409921671018277) internal successors, (437), 383 states have internal predecessors, (437), 58 states have call successors, (58), 57 states have call predecessors, (58), 55 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2021-05-02 21:39:14,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 551 transitions. [2021-05-02 21:39:14,971 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 551 transitions. Word has length 491 [2021-05-02 21:39:14,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:39:14,972 INFO L480 AbstractCegarLoop]: Abstraction has 497 states and 551 transitions. [2021-05-02 21:39:14,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 6.714285714285714) internal successors, (376), 55 states have internal predecessors, (376), 55 states have call successors, (57), 55 states have call predecessors, (57), 53 states have return successors, (55), 53 states have call predecessors, (55), 54 states have call successors, (55) [2021-05-02 21:39:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 551 transitions. [2021-05-02 21:39:14,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-05-02 21:39:14,974 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:39:14,974 INFO L523 BasicCegarLoop]: trace histogram [54, 54, 53, 53, 53, 53, 53, 53, 53, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:39:15,188 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:15,189 INFO L428 AbstractCegarLoop]: === Iteration 57 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:39:15,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:39:15,189 INFO L82 PathProgramCache]: Analyzing trace with hash -381060893, now seen corresponding path program 53 times [2021-05-02 21:39:15,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:39:15,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584848560] [2021-05-02 21:39:15,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:39:15,194 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:39:15,195 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1810084843] [2021-05-02 21:39:15,195 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:15,446 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) [2021-05-02 21:39:15,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:39:15,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 1346 conjuncts, 111 conjunts are in the unsatisfiable core [2021-05-02 21:39:15,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:39:15,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:15,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:16,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:17,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:17,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:17,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:17,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:17,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:17,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:17,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:17,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:17,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:17,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:17,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 12618 backedges. 106 proven. 12508 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:39:17,180 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:39:17,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584848560] [2021-05-02 21:39:17,181 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:39:17,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810084843] [2021-05-02 21:39:17,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810084843] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:39:17,181 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:39:17,181 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2021-05-02 21:39:17,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284858262] [2021-05-02 21:39:17,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-05-02 21:39:17,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:39:17,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-05-02 21:39:17,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1542, Invalid=1650, Unknown=0, NotChecked=0, Total=3192 [2021-05-02 21:39:17,182 INFO L87 Difference]: Start difference. First operand 497 states and 551 transitions. Second operand has 57 states, 57 states have (on average 6.719298245614035) internal successors, (383), 56 states have internal predecessors, (383), 56 states have call successors, (58), 56 states have call predecessors, (58), 54 states have return successors, (56), 54 states have call predecessors, (56), 55 states have call successors, (56) [2021-05-02 21:39:18,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:39:18,743 INFO L93 Difference]: Finished difference Result 506 states and 561 transitions. [2021-05-02 21:39:18,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-05-02 21:39:18,744 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 6.719298245614035) internal successors, (383), 56 states have internal predecessors, (383), 56 states have call successors, (58), 56 states have call predecessors, (58), 54 states have return successors, (56), 54 states have call predecessors, (56), 55 states have call successors, (56) Word has length 500 [2021-05-02 21:39:18,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:39:18,745 INFO L225 Difference]: With dead ends: 506 [2021-05-02 21:39:18,745 INFO L226 Difference]: Without dead ends: 506 [2021-05-02 21:39:18,746 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1431 ImplicationChecksByTransitivity, 2242.4ms TimeCoverageRelationStatistics Valid=4510, Invalid=7480, Unknown=0, NotChecked=0, Total=11990 [2021-05-02 21:39:18,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2021-05-02 21:39:18,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2021-05-02 21:39:18,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 390 states have (on average 1.141025641025641) internal successors, (445), 390 states have internal predecessors, (445), 59 states have call successors, (59), 58 states have call predecessors, (59), 56 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2021-05-02 21:39:18,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 561 transitions. [2021-05-02 21:39:18,750 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 561 transitions. Word has length 500 [2021-05-02 21:39:18,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:39:18,750 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 561 transitions. [2021-05-02 21:39:18,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 6.719298245614035) internal successors, (383), 56 states have internal predecessors, (383), 56 states have call successors, (58), 56 states have call predecessors, (58), 54 states have return successors, (56), 54 states have call predecessors, (56), 55 states have call successors, (56) [2021-05-02 21:39:18,751 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 561 transitions. [2021-05-02 21:39:18,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2021-05-02 21:39:18,753 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:39:18,753 INFO L523 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 54, 54, 54, 54, 54, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:39:18,961 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-05-02 21:39:18,961 INFO L428 AbstractCegarLoop]: === Iteration 58 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:39:18,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:39:18,961 INFO L82 PathProgramCache]: Analyzing trace with hash -284062728, now seen corresponding path program 54 times [2021-05-02 21:39:18,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:39:18,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622878523] [2021-05-02 21:39:18,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:39:18,967 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:39:18,967 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1323670973] [2021-05-02 21:39:18,967 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:19,365 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 55 check-sat command(s) [2021-05-02 21:39:19,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:39:19,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 1369 conjuncts, 113 conjunts are in the unsatisfiable core [2021-05-02 21:39:19,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:39:19,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:19,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:20,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:21,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:21,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:21,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:21,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:21,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:21,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:21,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:21,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:21,170 INFO L134 CoverageAnalysis]: Checked inductivity of 13099 backedges. 108 proven. 12987 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:39:21,170 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:39:21,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622878523] [2021-05-02 21:39:21,170 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:39:21,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323670973] [2021-05-02 21:39:21,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323670973] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:39:21,170 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:39:21,171 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2021-05-02 21:39:21,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674275243] [2021-05-02 21:39:21,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-05-02 21:39:21,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:39:21,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-05-02 21:39:21,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1598, Invalid=1708, Unknown=0, NotChecked=0, Total=3306 [2021-05-02 21:39:21,172 INFO L87 Difference]: Start difference. First operand 506 states and 561 transitions. Second operand has 58 states, 58 states have (on average 6.724137931034483) internal successors, (390), 57 states have internal predecessors, (390), 57 states have call successors, (59), 57 states have call predecessors, (59), 55 states have return successors, (57), 55 states have call predecessors, (57), 56 states have call successors, (57) [2021-05-02 21:39:22,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:39:22,823 INFO L93 Difference]: Finished difference Result 515 states and 571 transitions. [2021-05-02 21:39:22,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-05-02 21:39:22,823 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 6.724137931034483) internal successors, (390), 57 states have internal predecessors, (390), 57 states have call successors, (59), 57 states have call predecessors, (59), 55 states have return successors, (57), 55 states have call predecessors, (57), 56 states have call successors, (57) Word has length 509 [2021-05-02 21:39:22,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:39:22,824 INFO L225 Difference]: With dead ends: 515 [2021-05-02 21:39:22,825 INFO L226 Difference]: Without dead ends: 515 [2021-05-02 21:39:22,825 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1485 ImplicationChecksByTransitivity, 2374.7ms TimeCoverageRelationStatistics Valid=4676, Invalid=7756, Unknown=0, NotChecked=0, Total=12432 [2021-05-02 21:39:22,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-05-02 21:39:22,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2021-05-02 21:39:22,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 397 states have (on average 1.141057934508816) internal successors, (453), 397 states have internal predecessors, (453), 60 states have call successors, (60), 59 states have call predecessors, (60), 57 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2021-05-02 21:39:22,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 571 transitions. [2021-05-02 21:39:22,830 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 571 transitions. Word has length 509 [2021-05-02 21:39:22,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:39:22,830 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 571 transitions. [2021-05-02 21:39:22,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 6.724137931034483) internal successors, (390), 57 states have internal predecessors, (390), 57 states have call successors, (59), 57 states have call predecessors, (59), 55 states have return successors, (57), 55 states have call predecessors, (57), 56 states have call successors, (57) [2021-05-02 21:39:22,830 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 571 transitions. [2021-05-02 21:39:22,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2021-05-02 21:39:22,832 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:39:22,832 INFO L523 BasicCegarLoop]: trace histogram [56, 56, 55, 55, 55, 55, 55, 55, 55, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:39:23,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:23,033 INFO L428 AbstractCegarLoop]: === Iteration 59 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:39:23,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:39:23,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1739923587, now seen corresponding path program 55 times [2021-05-02 21:39:23,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:39:23,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238530034] [2021-05-02 21:39:23,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:39:23,038 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:39:23,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1872911667] [2021-05-02 21:39:23,038 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:39:23,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 115 conjunts are in the unsatisfiable core [2021-05-02 21:39:23,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:39:23,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:23,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:24,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:25,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:25,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:25,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:25,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:25,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:25,093 INFO L134 CoverageAnalysis]: Checked inductivity of 13589 backedges. 110 proven. 13475 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:39:25,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:39:25,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238530034] [2021-05-02 21:39:25,094 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:39:25,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872911667] [2021-05-02 21:39:25,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872911667] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:39:25,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:39:25,094 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2021-05-02 21:39:25,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682021065] [2021-05-02 21:39:25,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-05-02 21:39:25,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:39:25,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-05-02 21:39:25,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1655, Invalid=1767, Unknown=0, NotChecked=0, Total=3422 [2021-05-02 21:39:25,095 INFO L87 Difference]: Start difference. First operand 515 states and 571 transitions. Second operand has 59 states, 59 states have (on average 6.728813559322034) internal successors, (397), 58 states have internal predecessors, (397), 58 states have call successors, (60), 58 states have call predecessors, (60), 56 states have return successors, (58), 56 states have call predecessors, (58), 57 states have call successors, (58) [2021-05-02 21:39:26,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:39:26,798 INFO L93 Difference]: Finished difference Result 524 states and 581 transitions. [2021-05-02 21:39:26,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-05-02 21:39:26,799 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 59 states have (on average 6.728813559322034) internal successors, (397), 58 states have internal predecessors, (397), 58 states have call successors, (60), 58 states have call predecessors, (60), 56 states have return successors, (58), 56 states have call predecessors, (58), 57 states have call successors, (58) Word has length 518 [2021-05-02 21:39:26,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:39:26,800 INFO L225 Difference]: With dead ends: 524 [2021-05-02 21:39:26,800 INFO L226 Difference]: Without dead ends: 524 [2021-05-02 21:39:26,801 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1540 ImplicationChecksByTransitivity, 2419.0ms TimeCoverageRelationStatistics Valid=4845, Invalid=8037, Unknown=0, NotChecked=0, Total=12882 [2021-05-02 21:39:26,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2021-05-02 21:39:26,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2021-05-02 21:39:26,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 404 states have (on average 1.141089108910891) internal successors, (461), 404 states have internal predecessors, (461), 61 states have call successors, (61), 60 states have call predecessors, (61), 58 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2021-05-02 21:39:26,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 581 transitions. [2021-05-02 21:39:26,805 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 581 transitions. Word has length 518 [2021-05-02 21:39:26,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:39:26,806 INFO L480 AbstractCegarLoop]: Abstraction has 524 states and 581 transitions. [2021-05-02 21:39:26,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 6.728813559322034) internal successors, (397), 58 states have internal predecessors, (397), 58 states have call successors, (60), 58 states have call predecessors, (60), 56 states have return successors, (58), 56 states have call predecessors, (58), 57 states have call successors, (58) [2021-05-02 21:39:26,806 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 581 transitions. [2021-05-02 21:39:26,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2021-05-02 21:39:26,808 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:39:26,808 INFO L523 BasicCegarLoop]: trace histogram [57, 57, 56, 56, 56, 56, 56, 56, 56, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:39:27,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-05-02 21:39:27,025 INFO L428 AbstractCegarLoop]: === Iteration 60 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:39:27,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:39:27,025 INFO L82 PathProgramCache]: Analyzing trace with hash 263747672, now seen corresponding path program 56 times [2021-05-02 21:39:27,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:39:27,025 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32280838] [2021-05-02 21:39:27,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:39:27,035 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:39:27,035 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [338205823] [2021-05-02 21:39:27,035 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:27,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:39:27,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:39:27,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 117 conjunts are in the unsatisfiable core [2021-05-02 21:39:27,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:39:27,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:27,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:28,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:29,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:29,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:29,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:29,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:29,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:29,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:29,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:29,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:29,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:29,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:29,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:29,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:29,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:29,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:29,259 INFO L134 CoverageAnalysis]: Checked inductivity of 14088 backedges. 112 proven. 13972 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:39:29,259 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:39:29,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32280838] [2021-05-02 21:39:29,259 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:39:29,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338205823] [2021-05-02 21:39:29,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338205823] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:39:29,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:39:29,259 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2021-05-02 21:39:29,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221630761] [2021-05-02 21:39:29,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-05-02 21:39:29,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:39:29,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-05-02 21:39:29,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1713, Invalid=1827, Unknown=0, NotChecked=0, Total=3540 [2021-05-02 21:39:29,261 INFO L87 Difference]: Start difference. First operand 524 states and 581 transitions. Second operand has 60 states, 60 states have (on average 6.733333333333333) internal successors, (404), 59 states have internal predecessors, (404), 59 states have call successors, (61), 59 states have call predecessors, (61), 57 states have return successors, (59), 57 states have call predecessors, (59), 58 states have call successors, (59) [2021-05-02 21:39:30,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:39:30,932 INFO L93 Difference]: Finished difference Result 533 states and 591 transitions. [2021-05-02 21:39:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-05-02 21:39:30,933 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 6.733333333333333) internal successors, (404), 59 states have internal predecessors, (404), 59 states have call successors, (61), 59 states have call predecessors, (61), 57 states have return successors, (59), 57 states have call predecessors, (59), 58 states have call successors, (59) Word has length 527 [2021-05-02 21:39:30,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:39:30,934 INFO L225 Difference]: With dead ends: 533 [2021-05-02 21:39:30,934 INFO L226 Difference]: Without dead ends: 533 [2021-05-02 21:39:30,935 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1596 ImplicationChecksByTransitivity, 2523.5ms TimeCoverageRelationStatistics Valid=5017, Invalid=8323, Unknown=0, NotChecked=0, Total=13340 [2021-05-02 21:39:30,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2021-05-02 21:39:30,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 533. [2021-05-02 21:39:30,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 411 states have (on average 1.1411192214111923) internal successors, (469), 411 states have internal predecessors, (469), 62 states have call successors, (62), 61 states have call predecessors, (62), 59 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2021-05-02 21:39:30,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 591 transitions. [2021-05-02 21:39:30,939 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 591 transitions. Word has length 527 [2021-05-02 21:39:30,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:39:30,939 INFO L480 AbstractCegarLoop]: Abstraction has 533 states and 591 transitions. [2021-05-02 21:39:30,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 6.733333333333333) internal successors, (404), 59 states have internal predecessors, (404), 59 states have call successors, (61), 59 states have call predecessors, (61), 57 states have return successors, (59), 57 states have call predecessors, (59), 58 states have call successors, (59) [2021-05-02 21:39:30,940 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 591 transitions. [2021-05-02 21:39:30,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2021-05-02 21:39:30,942 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:39:30,942 INFO L523 BasicCegarLoop]: trace histogram [58, 58, 57, 57, 57, 57, 57, 57, 57, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:39:31,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-05-02 21:39:31,159 INFO L428 AbstractCegarLoop]: === Iteration 61 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:39:31,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:39:31,159 INFO L82 PathProgramCache]: Analyzing trace with hash -241033181, now seen corresponding path program 57 times [2021-05-02 21:39:31,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:39:31,159 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214176031] [2021-05-02 21:39:31,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:39:31,164 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:39:31,164 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [756675161] [2021-05-02 21:39:31,165 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:31,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 58 check-sat command(s) [2021-05-02 21:39:31,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:39:31,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 119 conjunts are in the unsatisfiable core [2021-05-02 21:39:31,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:39:31,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:31,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:32,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:33,498 INFO L134 CoverageAnalysis]: Checked inductivity of 14596 backedges. 114 proven. 14478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:39:33,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:39:33,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214176031] [2021-05-02 21:39:33,498 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:39:33,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756675161] [2021-05-02 21:39:33,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756675161] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:39:33,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:39:33,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2021-05-02 21:39:33,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279828528] [2021-05-02 21:39:33,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-05-02 21:39:33,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:39:33,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-05-02 21:39:33,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1772, Invalid=1888, Unknown=0, NotChecked=0, Total=3660 [2021-05-02 21:39:33,500 INFO L87 Difference]: Start difference. First operand 533 states and 591 transitions. Second operand has 61 states, 61 states have (on average 6.737704918032787) internal successors, (411), 60 states have internal predecessors, (411), 60 states have call successors, (62), 60 states have call predecessors, (62), 58 states have return successors, (60), 58 states have call predecessors, (60), 59 states have call successors, (60) [2021-05-02 21:39:35,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:39:35,278 INFO L93 Difference]: Finished difference Result 542 states and 601 transitions. [2021-05-02 21:39:35,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-05-02 21:39:35,278 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 6.737704918032787) internal successors, (411), 60 states have internal predecessors, (411), 60 states have call successors, (62), 60 states have call predecessors, (62), 58 states have return successors, (60), 58 states have call predecessors, (60), 59 states have call successors, (60) Word has length 536 [2021-05-02 21:39:35,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:39:35,280 INFO L225 Difference]: With dead ends: 542 [2021-05-02 21:39:35,280 INFO L226 Difference]: Without dead ends: 542 [2021-05-02 21:39:35,281 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1653 ImplicationChecksByTransitivity, 2607.7ms TimeCoverageRelationStatistics Valid=5192, Invalid=8614, Unknown=0, NotChecked=0, Total=13806 [2021-05-02 21:39:35,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2021-05-02 21:39:35,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2021-05-02 21:39:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 418 states have (on average 1.1411483253588517) internal successors, (477), 418 states have internal predecessors, (477), 63 states have call successors, (63), 62 states have call predecessors, (63), 60 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2021-05-02 21:39:35,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 601 transitions. [2021-05-02 21:39:35,294 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 601 transitions. Word has length 536 [2021-05-02 21:39:35,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:39:35,294 INFO L480 AbstractCegarLoop]: Abstraction has 542 states and 601 transitions. [2021-05-02 21:39:35,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 6.737704918032787) internal successors, (411), 60 states have internal predecessors, (411), 60 states have call successors, (62), 60 states have call predecessors, (62), 58 states have return successors, (60), 58 states have call predecessors, (60), 59 states have call successors, (60) [2021-05-02 21:39:35,294 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 601 transitions. [2021-05-02 21:39:35,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2021-05-02 21:39:35,297 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:39:35,297 INFO L523 BasicCegarLoop]: trace histogram [59, 59, 58, 58, 58, 58, 58, 58, 58, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:39:35,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,61 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:35,510 INFO L428 AbstractCegarLoop]: === Iteration 62 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:39:35,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:39:35,511 INFO L82 PathProgramCache]: Analyzing trace with hash -991884104, now seen corresponding path program 58 times [2021-05-02 21:39:35,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:39:35,511 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374063497] [2021-05-02 21:39:35,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:39:35,526 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:39:35,527 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1722798377] [2021-05-02 21:39:35,527 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:35,725 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:39:35,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:39:35,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 1461 conjuncts, 121 conjunts are in the unsatisfiable core [2021-05-02 21:39:35,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:39:35,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:35,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:36,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:37,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:38,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:38,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:38,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:38,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:38,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:38,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:38,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:38,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:38,191 INFO L134 CoverageAnalysis]: Checked inductivity of 15113 backedges. 116 proven. 14993 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:39:38,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:39:38,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374063497] [2021-05-02 21:39:38,192 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:39:38,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722798377] [2021-05-02 21:39:38,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722798377] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:39:38,192 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:39:38,192 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2021-05-02 21:39:38,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937109686] [2021-05-02 21:39:38,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-05-02 21:39:38,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:39:38,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-05-02 21:39:38,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1832, Invalid=1950, Unknown=0, NotChecked=0, Total=3782 [2021-05-02 21:39:38,198 INFO L87 Difference]: Start difference. First operand 542 states and 601 transitions. Second operand has 62 states, 62 states have (on average 6.741935483870968) internal successors, (418), 61 states have internal predecessors, (418), 61 states have call successors, (63), 61 states have call predecessors, (63), 59 states have return successors, (61), 59 states have call predecessors, (61), 60 states have call successors, (61) [2021-05-02 21:39:40,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:39:40,346 INFO L93 Difference]: Finished difference Result 551 states and 611 transitions. [2021-05-02 21:39:40,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-05-02 21:39:40,347 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 62 states have (on average 6.741935483870968) internal successors, (418), 61 states have internal predecessors, (418), 61 states have call successors, (63), 61 states have call predecessors, (63), 59 states have return successors, (61), 59 states have call predecessors, (61), 60 states have call successors, (61) Word has length 545 [2021-05-02 21:39:40,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:39:40,348 INFO L225 Difference]: With dead ends: 551 [2021-05-02 21:39:40,348 INFO L226 Difference]: Without dead ends: 551 [2021-05-02 21:39:40,349 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1711 ImplicationChecksByTransitivity, 3197.3ms TimeCoverageRelationStatistics Valid=5370, Invalid=8910, Unknown=0, NotChecked=0, Total=14280 [2021-05-02 21:39:40,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2021-05-02 21:39:40,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 551. [2021-05-02 21:39:40,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 425 states have (on average 1.1411764705882352) internal successors, (485), 425 states have internal predecessors, (485), 64 states have call successors, (64), 63 states have call predecessors, (64), 61 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2021-05-02 21:39:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 611 transitions. [2021-05-02 21:39:40,366 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 611 transitions. Word has length 545 [2021-05-02 21:39:40,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:39:40,366 INFO L480 AbstractCegarLoop]: Abstraction has 551 states and 611 transitions. [2021-05-02 21:39:40,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 6.741935483870968) internal successors, (418), 61 states have internal predecessors, (418), 61 states have call successors, (63), 61 states have call predecessors, (63), 59 states have return successors, (61), 59 states have call predecessors, (61), 60 states have call successors, (61) [2021-05-02 21:39:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 611 transitions. [2021-05-02 21:39:40,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2021-05-02 21:39:40,373 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:39:40,373 INFO L523 BasicCegarLoop]: trace histogram [60, 60, 59, 59, 59, 59, 59, 59, 59, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:39:40,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:40,585 INFO L428 AbstractCegarLoop]: === Iteration 63 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:39:40,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:39:40,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1704298557, now seen corresponding path program 59 times [2021-05-02 21:39:40,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:39:40,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674276560] [2021-05-02 21:39:40,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:39:40,592 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:39:40,592 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1386839342] [2021-05-02 21:39:40,592 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:40,881 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 60 check-sat command(s) [2021-05-02 21:39:40,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:39:40,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 1484 conjuncts, 123 conjunts are in the unsatisfiable core [2021-05-02 21:39:40,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:39:40,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:40,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:41,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:42,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:43,003 INFO L134 CoverageAnalysis]: Checked inductivity of 15639 backedges. 118 proven. 15517 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:39:43,004 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:39:43,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674276560] [2021-05-02 21:39:43,004 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:39:43,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386839342] [2021-05-02 21:39:43,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386839342] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:39:43,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:39:43,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2021-05-02 21:39:43,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070483024] [2021-05-02 21:39:43,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-05-02 21:39:43,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:39:43,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-05-02 21:39:43,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1893, Invalid=2013, Unknown=0, NotChecked=0, Total=3906 [2021-05-02 21:39:43,005 INFO L87 Difference]: Start difference. First operand 551 states and 611 transitions. Second operand has 63 states, 63 states have (on average 6.746031746031746) internal successors, (425), 62 states have internal predecessors, (425), 62 states have call successors, (64), 62 states have call predecessors, (64), 60 states have return successors, (62), 60 states have call predecessors, (62), 61 states have call successors, (62) [2021-05-02 21:39:44,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:39:44,884 INFO L93 Difference]: Finished difference Result 560 states and 621 transitions. [2021-05-02 21:39:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-05-02 21:39:44,885 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 6.746031746031746) internal successors, (425), 62 states have internal predecessors, (425), 62 states have call successors, (64), 62 states have call predecessors, (64), 60 states have return successors, (62), 60 states have call predecessors, (62), 61 states have call successors, (62) Word has length 554 [2021-05-02 21:39:44,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:39:44,886 INFO L225 Difference]: With dead ends: 560 [2021-05-02 21:39:44,886 INFO L226 Difference]: Without dead ends: 560 [2021-05-02 21:39:44,887 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1770 ImplicationChecksByTransitivity, 2774.9ms TimeCoverageRelationStatistics Valid=5551, Invalid=9211, Unknown=0, NotChecked=0, Total=14762 [2021-05-02 21:39:44,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-05-02 21:39:44,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-05-02 21:39:44,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 432 states have (on average 1.1412037037037037) internal successors, (493), 432 states have internal predecessors, (493), 65 states have call successors, (65), 64 states have call predecessors, (65), 62 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-05-02 21:39:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 621 transitions. [2021-05-02 21:39:44,891 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 621 transitions. Word has length 554 [2021-05-02 21:39:44,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:39:44,892 INFO L480 AbstractCegarLoop]: Abstraction has 560 states and 621 transitions. [2021-05-02 21:39:44,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 6.746031746031746) internal successors, (425), 62 states have internal predecessors, (425), 62 states have call successors, (64), 62 states have call predecessors, (64), 60 states have return successors, (62), 60 states have call predecessors, (62), 61 states have call successors, (62) [2021-05-02 21:39:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 621 transitions. [2021-05-02 21:39:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2021-05-02 21:39:44,894 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:39:44,894 INFO L523 BasicCegarLoop]: trace histogram [61, 61, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:39:45,096 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:45,097 INFO L428 AbstractCegarLoop]: === Iteration 64 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:39:45,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:39:45,097 INFO L82 PathProgramCache]: Analyzing trace with hash 544295192, now seen corresponding path program 60 times [2021-05-02 21:39:45,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:39:45,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80205185] [2021-05-02 21:39:45,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:39:45,103 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:39:45,103 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [497357697] [2021-05-02 21:39:45,103 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:45,589 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 61 check-sat command(s) [2021-05-02 21:39:45,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:39:45,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 1507 conjuncts, 125 conjunts are in the unsatisfiable core [2021-05-02 21:39:45,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:39:45,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:45,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:46,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:47,728 INFO L134 CoverageAnalysis]: Checked inductivity of 16174 backedges. 120 proven. 16050 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:39:47,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:39:47,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80205185] [2021-05-02 21:39:47,728 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:39:47,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497357697] [2021-05-02 21:39:47,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497357697] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:39:47,728 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:39:47,728 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2021-05-02 21:39:47,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809452096] [2021-05-02 21:39:47,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-05-02 21:39:47,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:39:47,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-05-02 21:39:47,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1955, Invalid=2077, Unknown=0, NotChecked=0, Total=4032 [2021-05-02 21:39:47,730 INFO L87 Difference]: Start difference. First operand 560 states and 621 transitions. Second operand has 64 states, 64 states have (on average 6.75) internal successors, (432), 63 states have internal predecessors, (432), 63 states have call successors, (65), 63 states have call predecessors, (65), 61 states have return successors, (63), 61 states have call predecessors, (63), 62 states have call successors, (63) [2021-05-02 21:39:49,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:39:49,676 INFO L93 Difference]: Finished difference Result 569 states and 631 transitions. [2021-05-02 21:39:49,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-05-02 21:39:49,676 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 6.75) internal successors, (432), 63 states have internal predecessors, (432), 63 states have call successors, (65), 63 states have call predecessors, (65), 61 states have return successors, (63), 61 states have call predecessors, (63), 62 states have call successors, (63) Word has length 563 [2021-05-02 21:39:49,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:39:49,678 INFO L225 Difference]: With dead ends: 569 [2021-05-02 21:39:49,678 INFO L226 Difference]: Without dead ends: 569 [2021-05-02 21:39:49,679 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 622 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1830 ImplicationChecksByTransitivity, 2849.8ms TimeCoverageRelationStatistics Valid=5735, Invalid=9517, Unknown=0, NotChecked=0, Total=15252 [2021-05-02 21:39:49,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-05-02 21:39:49,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 569. [2021-05-02 21:39:49,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 439 states have (on average 1.14123006833713) internal successors, (501), 439 states have internal predecessors, (501), 66 states have call successors, (66), 65 states have call predecessors, (66), 63 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2021-05-02 21:39:49,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 631 transitions. [2021-05-02 21:39:49,683 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 631 transitions. Word has length 563 [2021-05-02 21:39:49,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:39:49,684 INFO L480 AbstractCegarLoop]: Abstraction has 569 states and 631 transitions. [2021-05-02 21:39:49,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 6.75) internal successors, (432), 63 states have internal predecessors, (432), 63 states have call successors, (65), 63 states have call predecessors, (65), 61 states have return successors, (63), 61 states have call predecessors, (63), 62 states have call successors, (63) [2021-05-02 21:39:49,684 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 631 transitions. [2021-05-02 21:39:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2021-05-02 21:39:49,686 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:39:49,686 INFO L523 BasicCegarLoop]: trace histogram [62, 62, 61, 61, 61, 61, 61, 61, 61, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:39:49,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:49,887 INFO L428 AbstractCegarLoop]: === Iteration 65 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:39:49,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:39:49,887 INFO L82 PathProgramCache]: Analyzing trace with hash 317204323, now seen corresponding path program 61 times [2021-05-02 21:39:49,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:39:49,887 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109182361] [2021-05-02 21:39:49,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:39:49,892 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:39:49,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1377528272] [2021-05-02 21:39:49,893 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:39:50,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 1530 conjuncts, 127 conjunts are in the unsatisfiable core [2021-05-02 21:39:50,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:39:50,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:50,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:51,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:52,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:52,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:52,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:52,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:52,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:52,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:52,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:52,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:52,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:52,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:52,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:52,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:52,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:52,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:52,270 INFO L134 CoverageAnalysis]: Checked inductivity of 16718 backedges. 122 proven. 16592 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:39:52,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:39:52,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109182361] [2021-05-02 21:39:52,271 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:39:52,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377528272] [2021-05-02 21:39:52,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377528272] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:39:52,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:39:52,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2021-05-02 21:39:52,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607680713] [2021-05-02 21:39:52,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-05-02 21:39:52,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:39:52,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-05-02 21:39:52,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2018, Invalid=2142, Unknown=0, NotChecked=0, Total=4160 [2021-05-02 21:39:52,273 INFO L87 Difference]: Start difference. First operand 569 states and 631 transitions. Second operand has 65 states, 65 states have (on average 6.753846153846154) internal successors, (439), 64 states have internal predecessors, (439), 64 states have call successors, (66), 64 states have call predecessors, (66), 62 states have return successors, (64), 62 states have call predecessors, (64), 63 states have call successors, (64) [2021-05-02 21:39:54,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:39:54,270 INFO L93 Difference]: Finished difference Result 578 states and 641 transitions. [2021-05-02 21:39:54,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-05-02 21:39:54,270 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 65 states have (on average 6.753846153846154) internal successors, (439), 64 states have internal predecessors, (439), 64 states have call successors, (66), 64 states have call predecessors, (66), 62 states have return successors, (64), 62 states have call predecessors, (64), 63 states have call successors, (64) Word has length 572 [2021-05-02 21:39:54,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:39:54,272 INFO L225 Difference]: With dead ends: 578 [2021-05-02 21:39:54,272 INFO L226 Difference]: Without dead ends: 578 [2021-05-02 21:39:54,273 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 632 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1891 ImplicationChecksByTransitivity, 2939.2ms TimeCoverageRelationStatistics Valid=5922, Invalid=9828, Unknown=0, NotChecked=0, Total=15750 [2021-05-02 21:39:54,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2021-05-02 21:39:54,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2021-05-02 21:39:54,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 446 states have (on average 1.141255605381166) internal successors, (509), 446 states have internal predecessors, (509), 67 states have call successors, (67), 66 states have call predecessors, (67), 64 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2021-05-02 21:39:54,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 641 transitions. [2021-05-02 21:39:54,277 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 641 transitions. Word has length 572 [2021-05-02 21:39:54,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:39:54,277 INFO L480 AbstractCegarLoop]: Abstraction has 578 states and 641 transitions. [2021-05-02 21:39:54,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 6.753846153846154) internal successors, (439), 64 states have internal predecessors, (439), 64 states have call successors, (66), 64 states have call predecessors, (66), 62 states have return successors, (64), 62 states have call predecessors, (64), 63 states have call successors, (64) [2021-05-02 21:39:54,278 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 641 transitions. [2021-05-02 21:39:54,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-05-02 21:39:54,280 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:39:54,280 INFO L523 BasicCegarLoop]: trace histogram [63, 63, 62, 62, 62, 62, 62, 62, 62, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:39:54,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:54,485 INFO L428 AbstractCegarLoop]: === Iteration 66 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:39:54,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:39:54,485 INFO L82 PathProgramCache]: Analyzing trace with hash -959500936, now seen corresponding path program 62 times [2021-05-02 21:39:54,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:39:54,485 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58381055] [2021-05-02 21:39:54,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:39:54,498 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:39:54,498 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1648464323] [2021-05-02 21:39:54,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:54,673 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:39:54,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:39:54,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 129 conjunts are in the unsatisfiable core [2021-05-02 21:39:54,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:39:54,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:54,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:55,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:56,937 INFO L134 CoverageAnalysis]: Checked inductivity of 17271 backedges. 124 proven. 17143 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:39:56,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:39:56,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58381055] [2021-05-02 21:39:56,938 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:39:56,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648464323] [2021-05-02 21:39:56,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648464323] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:39:56,938 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:39:56,938 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2021-05-02 21:39:56,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380322253] [2021-05-02 21:39:56,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-05-02 21:39:56,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:39:56,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-05-02 21:39:56,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2082, Invalid=2208, Unknown=0, NotChecked=0, Total=4290 [2021-05-02 21:39:56,939 INFO L87 Difference]: Start difference. First operand 578 states and 641 transitions. Second operand has 66 states, 66 states have (on average 6.757575757575758) internal successors, (446), 65 states have internal predecessors, (446), 65 states have call successors, (67), 65 states have call predecessors, (67), 63 states have return successors, (65), 63 states have call predecessors, (65), 64 states have call successors, (65) [2021-05-02 21:39:59,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:39:59,041 INFO L93 Difference]: Finished difference Result 587 states and 651 transitions. [2021-05-02 21:39:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-05-02 21:39:59,041 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 6.757575757575758) internal successors, (446), 65 states have internal predecessors, (446), 65 states have call successors, (67), 65 states have call predecessors, (67), 63 states have return successors, (65), 63 states have call predecessors, (65), 64 states have call successors, (65) Word has length 581 [2021-05-02 21:39:59,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:39:59,043 INFO L225 Difference]: With dead ends: 587 [2021-05-02 21:39:59,043 INFO L226 Difference]: Without dead ends: 587 [2021-05-02 21:39:59,044 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1953 ImplicationChecksByTransitivity, 3069.9ms TimeCoverageRelationStatistics Valid=6112, Invalid=10144, Unknown=0, NotChecked=0, Total=16256 [2021-05-02 21:39:59,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2021-05-02 21:39:59,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2021-05-02 21:39:59,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 453 states have (on average 1.141280353200883) internal successors, (517), 453 states have internal predecessors, (517), 68 states have call successors, (68), 67 states have call predecessors, (68), 65 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2021-05-02 21:39:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 651 transitions. [2021-05-02 21:39:59,048 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 651 transitions. Word has length 581 [2021-05-02 21:39:59,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:39:59,049 INFO L480 AbstractCegarLoop]: Abstraction has 587 states and 651 transitions. [2021-05-02 21:39:59,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 6.757575757575758) internal successors, (446), 65 states have internal predecessors, (446), 65 states have call successors, (67), 65 states have call predecessors, (67), 63 states have return successors, (65), 63 states have call predecessors, (65), 64 states have call successors, (65) [2021-05-02 21:39:59,049 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 651 transitions. [2021-05-02 21:39:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2021-05-02 21:39:59,051 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:39:59,052 INFO L523 BasicCegarLoop]: trace histogram [64, 64, 63, 63, 63, 63, 63, 63, 63, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:39:59,252 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-05-02 21:39:59,252 INFO L428 AbstractCegarLoop]: === Iteration 67 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:39:59,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:39:59,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1232416515, now seen corresponding path program 63 times [2021-05-02 21:39:59,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:39:59,253 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452837320] [2021-05-02 21:39:59,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:39:59,258 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:39:59,258 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [254125116] [2021-05-02 21:39:59,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:39:59,701 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 64 check-sat command(s) [2021-05-02 21:39:59,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:39:59,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 131 conjunts are in the unsatisfiable core [2021-05-02 21:39:59,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:39:59,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:39:59,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:00,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:01,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:02,527 INFO L134 CoverageAnalysis]: Checked inductivity of 17833 backedges. 126 proven. 17703 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:40:02,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:40:02,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452837320] [2021-05-02 21:40:02,527 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:40:02,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254125116] [2021-05-02 21:40:02,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254125116] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:40:02,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:40:02,527 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2021-05-02 21:40:02,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257680182] [2021-05-02 21:40:02,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-05-02 21:40:02,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:40:02,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-05-02 21:40:02,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2147, Invalid=2275, Unknown=0, NotChecked=0, Total=4422 [2021-05-02 21:40:02,528 INFO L87 Difference]: Start difference. First operand 587 states and 651 transitions. Second operand has 67 states, 67 states have (on average 6.7611940298507465) internal successors, (453), 66 states have internal predecessors, (453), 66 states have call successors, (68), 66 states have call predecessors, (68), 64 states have return successors, (66), 64 states have call predecessors, (66), 65 states have call successors, (66) [2021-05-02 21:40:04,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:40:04,857 INFO L93 Difference]: Finished difference Result 596 states and 661 transitions. [2021-05-02 21:40:04,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-05-02 21:40:04,858 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 6.7611940298507465) internal successors, (453), 66 states have internal predecessors, (453), 66 states have call successors, (68), 66 states have call predecessors, (68), 64 states have return successors, (66), 64 states have call predecessors, (66), 65 states have call successors, (66) Word has length 590 [2021-05-02 21:40:04,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:40:04,859 INFO L225 Difference]: With dead ends: 596 [2021-05-02 21:40:04,860 INFO L226 Difference]: Without dead ends: 596 [2021-05-02 21:40:04,860 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2016 ImplicationChecksByTransitivity, 3649.0ms TimeCoverageRelationStatistics Valid=6305, Invalid=10465, Unknown=0, NotChecked=0, Total=16770 [2021-05-02 21:40:04,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2021-05-02 21:40:04,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2021-05-02 21:40:04,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 460 states have (on average 1.141304347826087) internal successors, (525), 460 states have internal predecessors, (525), 69 states have call successors, (69), 68 states have call predecessors, (69), 66 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2021-05-02 21:40:04,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 661 transitions. [2021-05-02 21:40:04,865 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 661 transitions. Word has length 590 [2021-05-02 21:40:04,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:40:04,866 INFO L480 AbstractCegarLoop]: Abstraction has 596 states and 661 transitions. [2021-05-02 21:40:04,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 6.7611940298507465) internal successors, (453), 66 states have internal predecessors, (453), 66 states have call successors, (68), 66 states have call predecessors, (68), 64 states have return successors, (66), 64 states have call predecessors, (66), 65 states have call successors, (66) [2021-05-02 21:40:04,866 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 661 transitions. [2021-05-02 21:40:04,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2021-05-02 21:40:04,868 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:40:04,868 INFO L523 BasicCegarLoop]: trace histogram [65, 65, 64, 64, 64, 64, 64, 64, 64, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:40:05,069 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-05-02 21:40:05,070 INFO L428 AbstractCegarLoop]: === Iteration 68 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:40:05,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:40:05,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1323350488, now seen corresponding path program 64 times [2021-05-02 21:40:05,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:40:05,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117401420] [2021-05-02 21:40:05,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:40:05,075 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:40:05,076 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207148301] [2021-05-02 21:40:05,076 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:40:05,275 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:40:05,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:40:05,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 133 conjunts are in the unsatisfiable core [2021-05-02 21:40:05,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:40:05,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:05,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:06,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:07,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:08,018 INFO L134 CoverageAnalysis]: Checked inductivity of 18404 backedges. 128 proven. 18272 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:40:08,018 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:40:08,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117401420] [2021-05-02 21:40:08,018 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:40:08,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207148301] [2021-05-02 21:40:08,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207148301] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:40:08,018 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:40:08,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2021-05-02 21:40:08,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907665937] [2021-05-02 21:40:08,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-05-02 21:40:08,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:40:08,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-05-02 21:40:08,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2213, Invalid=2343, Unknown=0, NotChecked=0, Total=4556 [2021-05-02 21:40:08,020 INFO L87 Difference]: Start difference. First operand 596 states and 661 transitions. Second operand has 68 states, 68 states have (on average 6.764705882352941) internal successors, (460), 67 states have internal predecessors, (460), 67 states have call successors, (69), 67 states have call predecessors, (69), 65 states have return successors, (67), 65 states have call predecessors, (67), 66 states have call successors, (67) [2021-05-02 21:40:10,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:40:10,374 INFO L93 Difference]: Finished difference Result 605 states and 671 transitions. [2021-05-02 21:40:10,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2021-05-02 21:40:10,375 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 68 states have (on average 6.764705882352941) internal successors, (460), 67 states have internal predecessors, (460), 67 states have call successors, (69), 67 states have call predecessors, (69), 65 states have return successors, (67), 65 states have call predecessors, (67), 66 states have call successors, (67) Word has length 599 [2021-05-02 21:40:10,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:40:10,376 INFO L225 Difference]: With dead ends: 605 [2021-05-02 21:40:10,376 INFO L226 Difference]: Without dead ends: 605 [2021-05-02 21:40:10,377 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 662 GetRequests, 532 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2080 ImplicationChecksByTransitivity, 3586.8ms TimeCoverageRelationStatistics Valid=6501, Invalid=10791, Unknown=0, NotChecked=0, Total=17292 [2021-05-02 21:40:10,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2021-05-02 21:40:10,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2021-05-02 21:40:10,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 467 states have (on average 1.1413276231263383) internal successors, (533), 467 states have internal predecessors, (533), 70 states have call successors, (70), 69 states have call predecessors, (70), 67 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2021-05-02 21:40:10,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 671 transitions. [2021-05-02 21:40:10,382 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 671 transitions. Word has length 599 [2021-05-02 21:40:10,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:40:10,382 INFO L480 AbstractCegarLoop]: Abstraction has 605 states and 671 transitions. [2021-05-02 21:40:10,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 6.764705882352941) internal successors, (460), 67 states have internal predecessors, (460), 67 states have call successors, (69), 67 states have call predecessors, (69), 65 states have return successors, (67), 65 states have call predecessors, (67), 66 states have call successors, (67) [2021-05-02 21:40:10,383 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 671 transitions. [2021-05-02 21:40:10,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2021-05-02 21:40:10,385 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:40:10,385 INFO L523 BasicCegarLoop]: trace histogram [66, 66, 65, 65, 65, 65, 65, 65, 65, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:40:10,589 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:40:10,590 INFO L428 AbstractCegarLoop]: === Iteration 69 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:40:10,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:40:10,590 INFO L82 PathProgramCache]: Analyzing trace with hash 166432419, now seen corresponding path program 65 times [2021-05-02 21:40:10,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:40:10,590 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381165825] [2021-05-02 21:40:10,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:40:10,602 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:40:10,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [967778310] [2021-05-02 21:40:10,602 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:40:10,938 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 66 check-sat command(s) [2021-05-02 21:40:10,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:40:10,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 1622 conjuncts, 135 conjunts are in the unsatisfiable core [2021-05-02 21:40:10,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:40:10,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:10,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:10,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:10,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:10,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:10,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:10,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:10,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:10,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:11,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:12,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:13,717 INFO L134 CoverageAnalysis]: Checked inductivity of 18984 backedges. 130 proven. 18850 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:40:13,717 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:40:13,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381165825] [2021-05-02 21:40:13,717 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:40:13,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967778310] [2021-05-02 21:40:13,718 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967778310] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:40:13,718 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:40:13,718 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2021-05-02 21:40:13,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075740050] [2021-05-02 21:40:13,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-05-02 21:40:13,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:40:13,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-05-02 21:40:13,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2280, Invalid=2412, Unknown=0, NotChecked=0, Total=4692 [2021-05-02 21:40:13,719 INFO L87 Difference]: Start difference. First operand 605 states and 671 transitions. Second operand has 69 states, 69 states have (on average 6.768115942028985) internal successors, (467), 68 states have internal predecessors, (467), 68 states have call successors, (70), 68 states have call predecessors, (70), 66 states have return successors, (68), 66 states have call predecessors, (68), 67 states have call successors, (68) [2021-05-02 21:40:16,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:40:16,166 INFO L93 Difference]: Finished difference Result 614 states and 681 transitions. [2021-05-02 21:40:16,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-05-02 21:40:16,166 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 6.768115942028985) internal successors, (467), 68 states have internal predecessors, (467), 68 states have call successors, (70), 68 states have call predecessors, (70), 66 states have return successors, (68), 66 states have call predecessors, (68), 67 states have call successors, (68) Word has length 608 [2021-05-02 21:40:16,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:40:16,168 INFO L225 Difference]: With dead ends: 614 [2021-05-02 21:40:16,168 INFO L226 Difference]: Without dead ends: 614 [2021-05-02 21:40:16,169 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2145 ImplicationChecksByTransitivity, 3708.2ms TimeCoverageRelationStatistics Valid=6700, Invalid=11122, Unknown=0, NotChecked=0, Total=17822 [2021-05-02 21:40:16,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2021-05-02 21:40:16,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 614. [2021-05-02 21:40:16,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 474 states have (on average 1.141350210970464) internal successors, (541), 474 states have internal predecessors, (541), 71 states have call successors, (71), 70 states have call predecessors, (71), 68 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-05-02 21:40:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 681 transitions. [2021-05-02 21:40:16,174 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 681 transitions. Word has length 608 [2021-05-02 21:40:16,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:40:16,174 INFO L480 AbstractCegarLoop]: Abstraction has 614 states and 681 transitions. [2021-05-02 21:40:16,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 6.768115942028985) internal successors, (467), 68 states have internal predecessors, (467), 68 states have call successors, (70), 68 states have call predecessors, (70), 66 states have return successors, (68), 66 states have call predecessors, (68), 67 states have call successors, (68) [2021-05-02 21:40:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 681 transitions. [2021-05-02 21:40:16,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2021-05-02 21:40:16,177 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:40:16,177 INFO L523 BasicCegarLoop]: trace histogram [67, 67, 66, 66, 66, 66, 66, 66, 66, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:40:16,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-05-02 21:40:16,378 INFO L428 AbstractCegarLoop]: === Iteration 70 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:40:16,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:40:16,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1576276424, now seen corresponding path program 66 times [2021-05-02 21:40:16,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:40:16,379 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262806202] [2021-05-02 21:40:16,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:40:16,388 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:40:16,388 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1108169867] [2021-05-02 21:40:16,388 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:40:16,941 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 67 check-sat command(s) [2021-05-02 21:40:16,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:40:16,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 1645 conjuncts, 137 conjunts are in the unsatisfiable core [2021-05-02 21:40:16,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:40:16,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:16,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:16,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:16,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:16,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:16,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:16,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:16,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:16,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:17,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:18,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:19,611 INFO L134 CoverageAnalysis]: Checked inductivity of 19573 backedges. 132 proven. 19437 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:40:19,612 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:40:19,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262806202] [2021-05-02 21:40:19,612 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:40:19,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108169867] [2021-05-02 21:40:19,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108169867] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:40:19,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:40:19,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2021-05-02 21:40:19,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85163338] [2021-05-02 21:40:19,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-05-02 21:40:19,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:40:19,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-05-02 21:40:19,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2348, Invalid=2482, Unknown=0, NotChecked=0, Total=4830 [2021-05-02 21:40:19,613 INFO L87 Difference]: Start difference. First operand 614 states and 681 transitions. Second operand has 70 states, 70 states have (on average 6.771428571428571) internal successors, (474), 69 states have internal predecessors, (474), 69 states have call successors, (71), 69 states have call predecessors, (71), 67 states have return successors, (69), 67 states have call predecessors, (69), 68 states have call successors, (69) [2021-05-02 21:40:22,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:40:22,138 INFO L93 Difference]: Finished difference Result 623 states and 691 transitions. [2021-05-02 21:40:22,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-05-02 21:40:22,138 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 70 states have (on average 6.771428571428571) internal successors, (474), 69 states have internal predecessors, (474), 69 states have call successors, (71), 69 states have call predecessors, (71), 67 states have return successors, (69), 67 states have call predecessors, (69), 68 states have call successors, (69) Word has length 617 [2021-05-02 21:40:22,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:40:22,140 INFO L225 Difference]: With dead ends: 623 [2021-05-02 21:40:22,140 INFO L226 Difference]: Without dead ends: 623 [2021-05-02 21:40:22,141 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2211 ImplicationChecksByTransitivity, 3660.7ms TimeCoverageRelationStatistics Valid=6902, Invalid=11458, Unknown=0, NotChecked=0, Total=18360 [2021-05-02 21:40:22,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2021-05-02 21:40:22,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 623. [2021-05-02 21:40:22,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 481 states have (on average 1.1413721413721414) internal successors, (549), 481 states have internal predecessors, (549), 72 states have call successors, (72), 71 states have call predecessors, (72), 69 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2021-05-02 21:40:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 691 transitions. [2021-05-02 21:40:22,146 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 691 transitions. Word has length 617 [2021-05-02 21:40:22,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:40:22,147 INFO L480 AbstractCegarLoop]: Abstraction has 623 states and 691 transitions. [2021-05-02 21:40:22,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 6.771428571428571) internal successors, (474), 69 states have internal predecessors, (474), 69 states have call successors, (71), 69 states have call predecessors, (71), 67 states have return successors, (69), 67 states have call predecessors, (69), 68 states have call successors, (69) [2021-05-02 21:40:22,147 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 691 transitions. [2021-05-02 21:40:22,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-05-02 21:40:22,149 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:40:22,150 INFO L523 BasicCegarLoop]: trace histogram [68, 68, 67, 67, 67, 67, 67, 67, 67, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:40:22,351 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-05-02 21:40:22,351 INFO L428 AbstractCegarLoop]: === Iteration 71 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:40:22,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:40:22,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1650112957, now seen corresponding path program 67 times [2021-05-02 21:40:22,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:40:22,351 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216679910] [2021-05-02 21:40:22,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:40:22,358 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:40:22,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [367587746] [2021-05-02 21:40:22,358 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:40:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:40:22,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 1668 conjuncts, 139 conjunts are in the unsatisfiable core [2021-05-02 21:40:22,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:40:22,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:22,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:23,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:24,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:25,391 INFO L134 CoverageAnalysis]: Checked inductivity of 20171 backedges. 134 proven. 20033 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:40:25,391 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:40:25,391 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216679910] [2021-05-02 21:40:25,391 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:40:25,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367587746] [2021-05-02 21:40:25,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367587746] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:40:25,392 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:40:25,392 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2021-05-02 21:40:25,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401516697] [2021-05-02 21:40:25,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-05-02 21:40:25,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:40:25,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-05-02 21:40:25,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2417, Invalid=2553, Unknown=0, NotChecked=0, Total=4970 [2021-05-02 21:40:25,393 INFO L87 Difference]: Start difference. First operand 623 states and 691 transitions. Second operand has 71 states, 71 states have (on average 6.774647887323944) internal successors, (481), 70 states have internal predecessors, (481), 70 states have call successors, (72), 70 states have call predecessors, (72), 68 states have return successors, (70), 68 states have call predecessors, (70), 69 states have call successors, (70) [2021-05-02 21:40:27,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:40:27,934 INFO L93 Difference]: Finished difference Result 632 states and 701 transitions. [2021-05-02 21:40:27,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-05-02 21:40:27,934 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 71 states have (on average 6.774647887323944) internal successors, (481), 70 states have internal predecessors, (481), 70 states have call successors, (72), 70 states have call predecessors, (72), 68 states have return successors, (70), 68 states have call predecessors, (70), 69 states have call successors, (70) Word has length 626 [2021-05-02 21:40:27,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:40:27,936 INFO L225 Difference]: With dead ends: 632 [2021-05-02 21:40:27,936 INFO L226 Difference]: Without dead ends: 632 [2021-05-02 21:40:27,937 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 556 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2278 ImplicationChecksByTransitivity, 3824.8ms TimeCoverageRelationStatistics Valid=7107, Invalid=11799, Unknown=0, NotChecked=0, Total=18906 [2021-05-02 21:40:27,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-05-02 21:40:27,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2021-05-02 21:40:27,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 488 states have (on average 1.1413934426229508) internal successors, (557), 488 states have internal predecessors, (557), 73 states have call successors, (73), 72 states have call predecessors, (73), 70 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2021-05-02 21:40:27,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 701 transitions. [2021-05-02 21:40:27,942 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 701 transitions. Word has length 626 [2021-05-02 21:40:27,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:40:27,942 INFO L480 AbstractCegarLoop]: Abstraction has 632 states and 701 transitions. [2021-05-02 21:40:27,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 6.774647887323944) internal successors, (481), 70 states have internal predecessors, (481), 70 states have call successors, (72), 70 states have call predecessors, (72), 68 states have return successors, (70), 68 states have call predecessors, (70), 69 states have call successors, (70) [2021-05-02 21:40:27,943 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 701 transitions. [2021-05-02 21:40:27,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2021-05-02 21:40:27,945 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:40:27,945 INFO L523 BasicCegarLoop]: trace histogram [69, 69, 68, 68, 68, 68, 68, 68, 68, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:40:28,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable70 [2021-05-02 21:40:28,146 INFO L428 AbstractCegarLoop]: === Iteration 72 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:40:28,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:40:28,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1547094680, now seen corresponding path program 68 times [2021-05-02 21:40:28,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:40:28,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605442338] [2021-05-02 21:40:28,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:40:28,152 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:40:28,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [834988320] [2021-05-02 21:40:28,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:40:28,349 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:40:28,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:40:28,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 1691 conjuncts, 141 conjunts are in the unsatisfiable core [2021-05-02 21:40:28,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:40:28,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:28,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:29,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:30,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:31,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:31,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:31,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:31,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:31,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 20778 backedges. 136 proven. 20638 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:40:31,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:40:31,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605442338] [2021-05-02 21:40:31,167 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:40:31,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834988320] [2021-05-02 21:40:31,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834988320] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:40:31,167 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:40:31,167 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2021-05-02 21:40:31,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404867721] [2021-05-02 21:40:31,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 72 states [2021-05-02 21:40:31,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:40:31,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-05-02 21:40:31,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2487, Invalid=2625, Unknown=0, NotChecked=0, Total=5112 [2021-05-02 21:40:31,169 INFO L87 Difference]: Start difference. First operand 632 states and 701 transitions. Second operand has 72 states, 72 states have (on average 6.777777777777778) internal successors, (488), 71 states have internal predecessors, (488), 71 states have call successors, (73), 71 states have call predecessors, (73), 69 states have return successors, (71), 69 states have call predecessors, (71), 70 states have call successors, (71) [2021-05-02 21:40:33,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:40:33,819 INFO L93 Difference]: Finished difference Result 641 states and 711 transitions. [2021-05-02 21:40:33,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-05-02 21:40:33,820 INFO L78 Accepts]: Start accepts. Automaton has has 72 states, 72 states have (on average 6.777777777777778) internal successors, (488), 71 states have internal predecessors, (488), 71 states have call successors, (73), 71 states have call predecessors, (73), 69 states have return successors, (71), 69 states have call predecessors, (71), 70 states have call successors, (71) Word has length 635 [2021-05-02 21:40:33,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:40:33,822 INFO L225 Difference]: With dead ends: 641 [2021-05-02 21:40:33,822 INFO L226 Difference]: Without dead ends: 641 [2021-05-02 21:40:33,823 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2346 ImplicationChecksByTransitivity, 3872.5ms TimeCoverageRelationStatistics Valid=7315, Invalid=12145, Unknown=0, NotChecked=0, Total=19460 [2021-05-02 21:40:33,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2021-05-02 21:40:33,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2021-05-02 21:40:33,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 495 states have (on average 1.1414141414141414) internal successors, (565), 495 states have internal predecessors, (565), 74 states have call successors, (74), 73 states have call predecessors, (74), 71 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2021-05-02 21:40:33,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 711 transitions. [2021-05-02 21:40:33,828 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 711 transitions. Word has length 635 [2021-05-02 21:40:33,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:40:33,828 INFO L480 AbstractCegarLoop]: Abstraction has 641 states and 711 transitions. [2021-05-02 21:40:33,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 72 states, 72 states have (on average 6.777777777777778) internal successors, (488), 71 states have internal predecessors, (488), 71 states have call successors, (73), 71 states have call predecessors, (73), 69 states have return successors, (71), 69 states have call predecessors, (71), 70 states have call successors, (71) [2021-05-02 21:40:33,828 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 711 transitions. [2021-05-02 21:40:33,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2021-05-02 21:40:33,831 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:40:33,831 INFO L523 BasicCegarLoop]: trace histogram [70, 70, 69, 69, 69, 69, 69, 69, 69, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:40:34,049 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,72 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:40:34,049 INFO L428 AbstractCegarLoop]: === Iteration 73 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:40:34,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:40:34,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1803310563, now seen corresponding path program 69 times [2021-05-02 21:40:34,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:40:34,049 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593768067] [2021-05-02 21:40:34,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:40:34,058 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:40:34,059 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [37967047] [2021-05-02 21:40:34,059 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:40:34,573 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 70 check-sat command(s) [2021-05-02 21:40:34,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:40:34,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 1714 conjuncts, 143 conjunts are in the unsatisfiable core [2021-05-02 21:40:34,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:40:34,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:34,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:35,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:36,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 21394 backedges. 138 proven. 21252 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:40:37,583 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:40:37,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593768067] [2021-05-02 21:40:37,583 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:40:37,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37967047] [2021-05-02 21:40:37,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37967047] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:40:37,583 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:40:37,583 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2021-05-02 21:40:37,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456401443] [2021-05-02 21:40:37,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-05-02 21:40:37,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:40:37,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-05-02 21:40:37,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2558, Invalid=2698, Unknown=0, NotChecked=0, Total=5256 [2021-05-02 21:40:37,585 INFO L87 Difference]: Start difference. First operand 641 states and 711 transitions. Second operand has 73 states, 73 states have (on average 6.780821917808219) internal successors, (495), 72 states have internal predecessors, (495), 72 states have call successors, (74), 72 states have call predecessors, (74), 70 states have return successors, (72), 70 states have call predecessors, (72), 71 states have call successors, (72) [2021-05-02 21:40:40,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:40:40,378 INFO L93 Difference]: Finished difference Result 650 states and 721 transitions. [2021-05-02 21:40:40,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-05-02 21:40:40,379 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 6.780821917808219) internal successors, (495), 72 states have internal predecessors, (495), 72 states have call successors, (74), 72 states have call predecessors, (74), 70 states have return successors, (72), 70 states have call predecessors, (72), 71 states have call successors, (72) Word has length 644 [2021-05-02 21:40:40,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:40:40,381 INFO L225 Difference]: With dead ends: 650 [2021-05-02 21:40:40,381 INFO L226 Difference]: Without dead ends: 650 [2021-05-02 21:40:40,382 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 712 GetRequests, 572 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2415 ImplicationChecksByTransitivity, 4089.1ms TimeCoverageRelationStatistics Valid=7526, Invalid=12496, Unknown=0, NotChecked=0, Total=20022 [2021-05-02 21:40:40,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2021-05-02 21:40:40,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2021-05-02 21:40:40,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 502 states have (on average 1.1414342629482073) internal successors, (573), 502 states have internal predecessors, (573), 75 states have call successors, (75), 74 states have call predecessors, (75), 72 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2021-05-02 21:40:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 721 transitions. [2021-05-02 21:40:40,386 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 721 transitions. Word has length 644 [2021-05-02 21:40:40,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:40:40,387 INFO L480 AbstractCegarLoop]: Abstraction has 650 states and 721 transitions. [2021-05-02 21:40:40,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 6.780821917808219) internal successors, (495), 72 states have internal predecessors, (495), 72 states have call successors, (74), 72 states have call predecessors, (74), 70 states have return successors, (72), 70 states have call predecessors, (72), 71 states have call successors, (72) [2021-05-02 21:40:40,387 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 721 transitions. [2021-05-02 21:40:40,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2021-05-02 21:40:40,390 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:40:40,390 INFO L523 BasicCegarLoop]: trace histogram [71, 71, 70, 70, 70, 70, 70, 70, 70, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:40:40,608 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,73 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:40:40,608 INFO L428 AbstractCegarLoop]: === Iteration 74 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:40:40,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:40:40,609 INFO L82 PathProgramCache]: Analyzing trace with hash 734482168, now seen corresponding path program 70 times [2021-05-02 21:40:40,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:40:40,609 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991831567] [2021-05-02 21:40:40,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:40:40,614 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:40:40,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1142394404] [2021-05-02 21:40:40,614 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:40:40,822 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:40:40,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:40:40,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 1737 conjuncts, 145 conjunts are in the unsatisfiable core [2021-05-02 21:40:40,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:40:40,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:40,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:41,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:42,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 22019 backedges. 140 proven. 21875 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:40:43,877 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:40:43,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991831567] [2021-05-02 21:40:43,877 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:40:43,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142394404] [2021-05-02 21:40:43,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142394404] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:40:43,878 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:40:43,878 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2021-05-02 21:40:43,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983822612] [2021-05-02 21:40:43,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-05-02 21:40:43,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:40:43,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-05-02 21:40:43,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2630, Invalid=2772, Unknown=0, NotChecked=0, Total=5402 [2021-05-02 21:40:43,879 INFO L87 Difference]: Start difference. First operand 650 states and 721 transitions. Second operand has 74 states, 74 states have (on average 6.783783783783784) internal successors, (502), 73 states have internal predecessors, (502), 73 states have call successors, (75), 73 states have call predecessors, (75), 71 states have return successors, (73), 71 states have call predecessors, (73), 72 states have call successors, (73) [2021-05-02 21:40:46,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:40:46,755 INFO L93 Difference]: Finished difference Result 659 states and 731 transitions. [2021-05-02 21:40:46,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-05-02 21:40:46,756 INFO L78 Accepts]: Start accepts. Automaton has has 74 states, 74 states have (on average 6.783783783783784) internal successors, (502), 73 states have internal predecessors, (502), 73 states have call successors, (75), 73 states have call predecessors, (75), 71 states have return successors, (73), 71 states have call predecessors, (73), 72 states have call successors, (73) Word has length 653 [2021-05-02 21:40:46,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:40:46,758 INFO L225 Difference]: With dead ends: 659 [2021-05-02 21:40:46,758 INFO L226 Difference]: Without dead ends: 659 [2021-05-02 21:40:46,759 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 722 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2485 ImplicationChecksByTransitivity, 4229.8ms TimeCoverageRelationStatistics Valid=7740, Invalid=12852, Unknown=0, NotChecked=0, Total=20592 [2021-05-02 21:40:46,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2021-05-02 21:40:46,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2021-05-02 21:40:46,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 509 states have (on average 1.1414538310412574) internal successors, (581), 509 states have internal predecessors, (581), 76 states have call successors, (76), 75 states have call predecessors, (76), 73 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2021-05-02 21:40:46,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 731 transitions. [2021-05-02 21:40:46,768 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 731 transitions. Word has length 653 [2021-05-02 21:40:46,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:40:46,769 INFO L480 AbstractCegarLoop]: Abstraction has 659 states and 731 transitions. [2021-05-02 21:40:46,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 74 states, 74 states have (on average 6.783783783783784) internal successors, (502), 73 states have internal predecessors, (502), 73 states have call successors, (75), 73 states have call predecessors, (75), 71 states have return successors, (73), 71 states have call predecessors, (73), 72 states have call successors, (73) [2021-05-02 21:40:46,769 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 731 transitions. [2021-05-02 21:40:46,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2021-05-02 21:40:46,772 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:40:46,772 INFO L523 BasicCegarLoop]: trace histogram [72, 72, 71, 71, 71, 71, 71, 71, 71, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:40:46,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:40:46,977 INFO L428 AbstractCegarLoop]: === Iteration 75 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:40:46,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:40:46,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1748320893, now seen corresponding path program 71 times [2021-05-02 21:40:46,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:40:46,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361565649] [2021-05-02 21:40:46,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:40:46,983 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:40:46,983 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [782512164] [2021-05-02 21:40:46,983 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:40:47,369 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 72 check-sat command(s) [2021-05-02 21:40:47,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:40:47,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 1760 conjuncts, 147 conjunts are in the unsatisfiable core [2021-05-02 21:40:47,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:40:47,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:47,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:48,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:49,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:50,577 INFO L134 CoverageAnalysis]: Checked inductivity of 22653 backedges. 142 proven. 22507 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:40:50,578 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:40:50,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361565649] [2021-05-02 21:40:50,578 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:40:50,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782512164] [2021-05-02 21:40:50,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782512164] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:40:50,578 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:40:50,578 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2021-05-02 21:40:50,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890319278] [2021-05-02 21:40:50,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-05-02 21:40:50,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:40:50,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-05-02 21:40:50,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2703, Invalid=2847, Unknown=0, NotChecked=0, Total=5550 [2021-05-02 21:40:50,580 INFO L87 Difference]: Start difference. First operand 659 states and 731 transitions. Second operand has 75 states, 75 states have (on average 6.786666666666667) internal successors, (509), 74 states have internal predecessors, (509), 74 states have call successors, (76), 74 states have call predecessors, (76), 72 states have return successors, (74), 72 states have call predecessors, (74), 73 states have call successors, (74) [2021-05-02 21:40:53,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:40:53,499 INFO L93 Difference]: Finished difference Result 668 states and 741 transitions. [2021-05-02 21:40:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-05-02 21:40:53,499 INFO L78 Accepts]: Start accepts. Automaton has has 75 states, 75 states have (on average 6.786666666666667) internal successors, (509), 74 states have internal predecessors, (509), 74 states have call successors, (76), 74 states have call predecessors, (76), 72 states have return successors, (74), 72 states have call predecessors, (74), 73 states have call successors, (74) Word has length 662 [2021-05-02 21:40:53,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:40:53,501 INFO L225 Difference]: With dead ends: 668 [2021-05-02 21:40:53,501 INFO L226 Difference]: Without dead ends: 668 [2021-05-02 21:40:53,502 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 588 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2556 ImplicationChecksByTransitivity, 4357.3ms TimeCoverageRelationStatistics Valid=7957, Invalid=13213, Unknown=0, NotChecked=0, Total=21170 [2021-05-02 21:40:53,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2021-05-02 21:40:53,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 668. [2021-05-02 21:40:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 516 states have (on average 1.1414728682170543) internal successors, (589), 516 states have internal predecessors, (589), 77 states have call successors, (77), 76 states have call predecessors, (77), 74 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2021-05-02 21:40:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 741 transitions. [2021-05-02 21:40:53,507 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 741 transitions. Word has length 662 [2021-05-02 21:40:53,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:40:53,507 INFO L480 AbstractCegarLoop]: Abstraction has 668 states and 741 transitions. [2021-05-02 21:40:53,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 6.786666666666667) internal successors, (509), 74 states have internal predecessors, (509), 74 states have call successors, (76), 74 states have call predecessors, (76), 72 states have return successors, (74), 72 states have call predecessors, (74), 73 states have call successors, (74) [2021-05-02 21:40:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 741 transitions. [2021-05-02 21:40:53,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2021-05-02 21:40:53,510 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:40:53,511 INFO L523 BasicCegarLoop]: trace histogram [73, 73, 72, 72, 72, 72, 72, 72, 72, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:40:53,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-05-02 21:40:53,729 INFO L428 AbstractCegarLoop]: === Iteration 76 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:40:53,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:40:53,729 INFO L82 PathProgramCache]: Analyzing trace with hash 832797528, now seen corresponding path program 72 times [2021-05-02 21:40:53,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:40:53,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085844089] [2021-05-02 21:40:53,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:40:53,735 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:40:53,735 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [64913331] [2021-05-02 21:40:53,735 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:40:54,403 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 73 check-sat command(s) [2021-05-02 21:40:54,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:40:54,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 1783 conjuncts, 149 conjunts are in the unsatisfiable core [2021-05-02 21:40:54,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:40:54,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:54,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:55,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:56,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:40:57,540 INFO L134 CoverageAnalysis]: Checked inductivity of 23296 backedges. 144 proven. 23148 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:40:57,540 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:40:57,540 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085844089] [2021-05-02 21:40:57,540 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:40:57,540 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64913331] [2021-05-02 21:40:57,540 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64913331] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:40:57,540 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:40:57,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2021-05-02 21:40:57,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525379530] [2021-05-02 21:40:57,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-05-02 21:40:57,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:40:57,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-05-02 21:40:57,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2777, Invalid=2923, Unknown=0, NotChecked=0, Total=5700 [2021-05-02 21:40:57,542 INFO L87 Difference]: Start difference. First operand 668 states and 741 transitions. Second operand has 76 states, 76 states have (on average 6.7894736842105265) internal successors, (516), 75 states have internal predecessors, (516), 75 states have call successors, (77), 75 states have call predecessors, (77), 73 states have return successors, (75), 73 states have call predecessors, (75), 74 states have call successors, (75) [2021-05-02 21:41:00,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:41:00,484 INFO L93 Difference]: Finished difference Result 677 states and 751 transitions. [2021-05-02 21:41:00,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-05-02 21:41:00,485 INFO L78 Accepts]: Start accepts. Automaton has has 76 states, 76 states have (on average 6.7894736842105265) internal successors, (516), 75 states have internal predecessors, (516), 75 states have call successors, (77), 75 states have call predecessors, (77), 73 states have return successors, (75), 73 states have call predecessors, (75), 74 states have call successors, (75) Word has length 671 [2021-05-02 21:41:00,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:41:00,487 INFO L225 Difference]: With dead ends: 677 [2021-05-02 21:41:00,487 INFO L226 Difference]: Without dead ends: 677 [2021-05-02 21:41:00,488 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 596 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2628 ImplicationChecksByTransitivity, 4349.1ms TimeCoverageRelationStatistics Valid=8177, Invalid=13579, Unknown=0, NotChecked=0, Total=21756 [2021-05-02 21:41:00,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2021-05-02 21:41:00,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 677. [2021-05-02 21:41:00,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 523 states have (on average 1.1414913957934991) internal successors, (597), 523 states have internal predecessors, (597), 78 states have call successors, (78), 77 states have call predecessors, (78), 75 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2021-05-02 21:41:00,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 751 transitions. [2021-05-02 21:41:00,493 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 751 transitions. Word has length 671 [2021-05-02 21:41:00,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:41:00,493 INFO L480 AbstractCegarLoop]: Abstraction has 677 states and 751 transitions. [2021-05-02 21:41:00,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 6.7894736842105265) internal successors, (516), 75 states have internal predecessors, (516), 75 states have call successors, (77), 75 states have call predecessors, (77), 73 states have return successors, (75), 73 states have call predecessors, (75), 74 states have call successors, (75) [2021-05-02 21:41:00,493 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 751 transitions. [2021-05-02 21:41:00,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2021-05-02 21:41:00,496 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:41:00,497 INFO L523 BasicCegarLoop]: trace histogram [74, 74, 73, 73, 73, 73, 73, 73, 73, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:41:00,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:41:00,697 INFO L428 AbstractCegarLoop]: === Iteration 77 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:41:00,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:41:00,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1536525021, now seen corresponding path program 73 times [2021-05-02 21:41:00,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:41:00,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502604768] [2021-05-02 21:41:00,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:41:00,703 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:41:00,704 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [772129466] [2021-05-02 21:41:00,704 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:41:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:41:00,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 1806 conjuncts, 151 conjunts are in the unsatisfiable core [2021-05-02 21:41:00,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:41:00,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:00,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:00,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:00,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:00,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:00,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:00,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:00,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:00,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:00,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:00,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:00,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:00,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:00,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:00,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:01,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:02,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:03,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:04,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:04,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:04,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:04,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:04,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:04,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:04,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:04,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:04,261 INFO L134 CoverageAnalysis]: Checked inductivity of 23948 backedges. 146 proven. 23798 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:41:04,261 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:41:04,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502604768] [2021-05-02 21:41:04,261 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:41:04,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772129466] [2021-05-02 21:41:04,261 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772129466] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:41:04,261 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:41:04,261 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2021-05-02 21:41:04,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623600295] [2021-05-02 21:41:04,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-05-02 21:41:04,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:41:04,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-05-02 21:41:04,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2852, Invalid=3000, Unknown=0, NotChecked=0, Total=5852 [2021-05-02 21:41:04,263 INFO L87 Difference]: Start difference. First operand 677 states and 751 transitions. Second operand has 77 states, 77 states have (on average 6.792207792207792) internal successors, (523), 76 states have internal predecessors, (523), 76 states have call successors, (78), 76 states have call predecessors, (78), 74 states have return successors, (76), 74 states have call predecessors, (76), 75 states have call successors, (76) [2021-05-02 21:41:07,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:41:07,623 INFO L93 Difference]: Finished difference Result 686 states and 761 transitions. [2021-05-02 21:41:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-05-02 21:41:07,623 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 77 states have (on average 6.792207792207792) internal successors, (523), 76 states have internal predecessors, (523), 76 states have call successors, (78), 76 states have call predecessors, (78), 74 states have return successors, (76), 74 states have call predecessors, (76), 75 states have call successors, (76) Word has length 680 [2021-05-02 21:41:07,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:41:07,625 INFO L225 Difference]: With dead ends: 686 [2021-05-02 21:41:07,625 INFO L226 Difference]: Without dead ends: 686 [2021-05-02 21:41:07,626 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 752 GetRequests, 604 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2701 ImplicationChecksByTransitivity, 4787.9ms TimeCoverageRelationStatistics Valid=8400, Invalid=13950, Unknown=0, NotChecked=0, Total=22350 [2021-05-02 21:41:07,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2021-05-02 21:41:07,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2021-05-02 21:41:07,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 530 states have (on average 1.1415094339622642) internal successors, (605), 530 states have internal predecessors, (605), 79 states have call successors, (79), 78 states have call predecessors, (79), 76 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2021-05-02 21:41:07,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 761 transitions. [2021-05-02 21:41:07,634 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 761 transitions. Word has length 680 [2021-05-02 21:41:07,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:41:07,634 INFO L480 AbstractCegarLoop]: Abstraction has 686 states and 761 transitions. [2021-05-02 21:41:07,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 77 states, 77 states have (on average 6.792207792207792) internal successors, (523), 76 states have internal predecessors, (523), 76 states have call successors, (78), 76 states have call predecessors, (78), 74 states have return successors, (76), 74 states have call predecessors, (76), 75 states have call successors, (76) [2021-05-02 21:41:07,635 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 761 transitions. [2021-05-02 21:41:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2021-05-02 21:41:07,638 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:41:07,638 INFO L523 BasicCegarLoop]: trace histogram [75, 75, 74, 74, 74, 74, 74, 74, 74, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:41:07,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,77 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:41:07,852 INFO L428 AbstractCegarLoop]: === Iteration 78 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:41:07,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:41:07,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1630621624, now seen corresponding path program 74 times [2021-05-02 21:41:07,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:41:07,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049147570] [2021-05-02 21:41:07,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:41:07,858 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:41:07,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [440571625] [2021-05-02 21:41:07,858 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:41:08,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:41:08,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:41:08,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 1829 conjuncts, 153 conjunts are in the unsatisfiable core [2021-05-02 21:41:08,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:41:08,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:08,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:09,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:10,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 24609 backedges. 148 proven. 24457 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:41:11,623 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:41:11,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049147570] [2021-05-02 21:41:11,624 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:41:11,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440571625] [2021-05-02 21:41:11,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440571625] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:41:11,624 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:41:11,624 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2021-05-02 21:41:11,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807982820] [2021-05-02 21:41:11,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 78 states [2021-05-02 21:41:11,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:41:11,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2021-05-02 21:41:11,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2928, Invalid=3078, Unknown=0, NotChecked=0, Total=6006 [2021-05-02 21:41:11,625 INFO L87 Difference]: Start difference. First operand 686 states and 761 transitions. Second operand has 78 states, 78 states have (on average 6.794871794871795) internal successors, (530), 77 states have internal predecessors, (530), 77 states have call successors, (79), 77 states have call predecessors, (79), 75 states have return successors, (77), 75 states have call predecessors, (77), 76 states have call successors, (77) [2021-05-02 21:41:14,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:41:14,739 INFO L93 Difference]: Finished difference Result 695 states and 771 transitions. [2021-05-02 21:41:14,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2021-05-02 21:41:14,740 INFO L78 Accepts]: Start accepts. Automaton has has 78 states, 78 states have (on average 6.794871794871795) internal successors, (530), 77 states have internal predecessors, (530), 77 states have call successors, (79), 77 states have call predecessors, (79), 75 states have return successors, (77), 75 states have call predecessors, (77), 76 states have call successors, (77) Word has length 689 [2021-05-02 21:41:14,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:41:14,742 INFO L225 Difference]: With dead ends: 695 [2021-05-02 21:41:14,742 INFO L226 Difference]: Without dead ends: 695 [2021-05-02 21:41:14,743 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 762 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2775 ImplicationChecksByTransitivity, 4764.6ms TimeCoverageRelationStatistics Valid=8626, Invalid=14326, Unknown=0, NotChecked=0, Total=22952 [2021-05-02 21:41:14,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2021-05-02 21:41:14,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 695. [2021-05-02 21:41:14,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 537 states have (on average 1.1415270018621975) internal successors, (613), 537 states have internal predecessors, (613), 80 states have call successors, (80), 79 states have call predecessors, (80), 77 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2021-05-02 21:41:14,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 771 transitions. [2021-05-02 21:41:14,748 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 771 transitions. Word has length 689 [2021-05-02 21:41:14,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:41:14,748 INFO L480 AbstractCegarLoop]: Abstraction has 695 states and 771 transitions. [2021-05-02 21:41:14,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 78 states, 78 states have (on average 6.794871794871795) internal successors, (530), 77 states have internal predecessors, (530), 77 states have call successors, (79), 77 states have call predecessors, (79), 75 states have return successors, (77), 75 states have call predecessors, (77), 76 states have call successors, (77) [2021-05-02 21:41:14,748 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 771 transitions. [2021-05-02 21:41:14,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2021-05-02 21:41:14,751 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:41:14,752 INFO L523 BasicCegarLoop]: trace histogram [76, 76, 75, 75, 75, 75, 75, 75, 75, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:41:14,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-05-02 21:41:14,952 INFO L428 AbstractCegarLoop]: === Iteration 79 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:41:14,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:41:14,953 INFO L82 PathProgramCache]: Analyzing trace with hash 280335555, now seen corresponding path program 75 times [2021-05-02 21:41:14,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:41:14,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045803698] [2021-05-02 21:41:14,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:41:14,958 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:41:14,958 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2133324271] [2021-05-02 21:41:14,959 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:41:15,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 76 check-sat command(s) [2021-05-02 21:41:15,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:41:15,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 1852 conjuncts, 155 conjunts are in the unsatisfiable core [2021-05-02 21:41:15,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:41:15,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:15,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:16,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:17,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:18,982 INFO L134 CoverageAnalysis]: Checked inductivity of 25279 backedges. 150 proven. 25125 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:41:18,982 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:41:18,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045803698] [2021-05-02 21:41:18,982 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:41:18,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133324271] [2021-05-02 21:41:18,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133324271] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:41:18,982 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:41:18,982 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2021-05-02 21:41:18,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787488355] [2021-05-02 21:41:18,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-05-02 21:41:18,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:41:18,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-05-02 21:41:18,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3005, Invalid=3157, Unknown=0, NotChecked=0, Total=6162 [2021-05-02 21:41:18,984 INFO L87 Difference]: Start difference. First operand 695 states and 771 transitions. Second operand has 79 states, 79 states have (on average 6.7974683544303796) internal successors, (537), 78 states have internal predecessors, (537), 78 states have call successors, (80), 78 states have call predecessors, (80), 76 states have return successors, (78), 76 states have call predecessors, (78), 77 states have call successors, (78) [2021-05-02 21:41:22,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:41:22,290 INFO L93 Difference]: Finished difference Result 704 states and 781 transitions. [2021-05-02 21:41:22,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-05-02 21:41:22,290 INFO L78 Accepts]: Start accepts. Automaton has has 79 states, 79 states have (on average 6.7974683544303796) internal successors, (537), 78 states have internal predecessors, (537), 78 states have call successors, (80), 78 states have call predecessors, (80), 76 states have return successors, (78), 76 states have call predecessors, (78), 77 states have call successors, (78) Word has length 698 [2021-05-02 21:41:22,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:41:22,292 INFO L225 Difference]: With dead ends: 704 [2021-05-02 21:41:22,292 INFO L226 Difference]: Without dead ends: 704 [2021-05-02 21:41:22,293 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 772 GetRequests, 620 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2850 ImplicationChecksByTransitivity, 4877.6ms TimeCoverageRelationStatistics Valid=8855, Invalid=14707, Unknown=0, NotChecked=0, Total=23562 [2021-05-02 21:41:22,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2021-05-02 21:41:22,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 704. [2021-05-02 21:41:22,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 544 states have (on average 1.1415441176470589) internal successors, (621), 544 states have internal predecessors, (621), 81 states have call successors, (81), 80 states have call predecessors, (81), 78 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2021-05-02 21:41:22,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 781 transitions. [2021-05-02 21:41:22,298 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 781 transitions. Word has length 698 [2021-05-02 21:41:22,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:41:22,298 INFO L480 AbstractCegarLoop]: Abstraction has 704 states and 781 transitions. [2021-05-02 21:41:22,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 79 states, 79 states have (on average 6.7974683544303796) internal successors, (537), 78 states have internal predecessors, (537), 78 states have call successors, (80), 78 states have call predecessors, (80), 76 states have return successors, (78), 76 states have call predecessors, (78), 77 states have call successors, (78) [2021-05-02 21:41:22,298 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 781 transitions. [2021-05-02 21:41:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2021-05-02 21:41:22,302 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:41:22,302 INFO L523 BasicCegarLoop]: trace histogram [77, 77, 76, 76, 76, 76, 76, 76, 76, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:41:22,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-05-02 21:41:22,521 INFO L428 AbstractCegarLoop]: === Iteration 80 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:41:22,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:41:22,522 INFO L82 PathProgramCache]: Analyzing trace with hash -531182568, now seen corresponding path program 76 times [2021-05-02 21:41:22,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:41:22,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801915000] [2021-05-02 21:41:22,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:41:22,529 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:41:22,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1881163740] [2021-05-02 21:41:22,529 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:41:22,775 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:41:22,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:41:22,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 1875 conjuncts, 157 conjunts are in the unsatisfiable core [2021-05-02 21:41:22,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:41:22,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:22,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:23,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:24,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:25,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:26,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:26,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:26,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:26,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:26,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:26,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:26,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:26,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:26,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:26,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:26,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:26,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:26,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:26,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 25958 backedges. 152 proven. 25802 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:41:26,359 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:41:26,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801915000] [2021-05-02 21:41:26,359 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:41:26,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881163740] [2021-05-02 21:41:26,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881163740] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:41:26,359 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:41:26,359 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2021-05-02 21:41:26,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335231318] [2021-05-02 21:41:26,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 80 states [2021-05-02 21:41:26,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:41:26,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-05-02 21:41:26,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3083, Invalid=3237, Unknown=0, NotChecked=0, Total=6320 [2021-05-02 21:41:26,361 INFO L87 Difference]: Start difference. First operand 704 states and 781 transitions. Second operand has 80 states, 80 states have (on average 6.8) internal successors, (544), 79 states have internal predecessors, (544), 79 states have call successors, (81), 79 states have call predecessors, (81), 77 states have return successors, (79), 77 states have call predecessors, (79), 78 states have call successors, (79) [2021-05-02 21:41:29,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:41:29,656 INFO L93 Difference]: Finished difference Result 713 states and 791 transitions. [2021-05-02 21:41:29,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-05-02 21:41:29,656 INFO L78 Accepts]: Start accepts. Automaton has has 80 states, 80 states have (on average 6.8) internal successors, (544), 79 states have internal predecessors, (544), 79 states have call successors, (81), 79 states have call predecessors, (81), 77 states have return successors, (79), 77 states have call predecessors, (79), 78 states have call successors, (79) Word has length 707 [2021-05-02 21:41:29,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:41:29,658 INFO L225 Difference]: With dead ends: 713 [2021-05-02 21:41:29,658 INFO L226 Difference]: Without dead ends: 713 [2021-05-02 21:41:29,659 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 782 GetRequests, 628 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2926 ImplicationChecksByTransitivity, 4920.1ms TimeCoverageRelationStatistics Valid=9087, Invalid=15093, Unknown=0, NotChecked=0, Total=24180 [2021-05-02 21:41:29,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2021-05-02 21:41:29,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 713. [2021-05-02 21:41:29,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 551 states have (on average 1.1415607985480944) internal successors, (629), 551 states have internal predecessors, (629), 82 states have call successors, (82), 81 states have call predecessors, (82), 79 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2021-05-02 21:41:29,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 791 transitions. [2021-05-02 21:41:29,664 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 791 transitions. Word has length 707 [2021-05-02 21:41:29,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:41:29,664 INFO L480 AbstractCegarLoop]: Abstraction has 713 states and 791 transitions. [2021-05-02 21:41:29,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 80 states, 80 states have (on average 6.8) internal successors, (544), 79 states have internal predecessors, (544), 79 states have call successors, (81), 79 states have call predecessors, (81), 77 states have return successors, (79), 77 states have call predecessors, (79), 78 states have call successors, (79) [2021-05-02 21:41:29,665 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 791 transitions. [2021-05-02 21:41:29,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2021-05-02 21:41:29,668 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:41:29,668 INFO L523 BasicCegarLoop]: trace histogram [78, 78, 77, 77, 77, 77, 77, 77, 77, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:41:29,868 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:41:29,869 INFO L428 AbstractCegarLoop]: === Iteration 81 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:41:29,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:41:29,869 INFO L82 PathProgramCache]: Analyzing trace with hash -108657565, now seen corresponding path program 77 times [2021-05-02 21:41:29,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:41:29,869 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185068423] [2021-05-02 21:41:29,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:41:29,875 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:41:29,875 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1059301101] [2021-05-02 21:41:29,875 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:41:30,329 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 78 check-sat command(s) [2021-05-02 21:41:30,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:41:30,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 1898 conjuncts, 159 conjunts are in the unsatisfiable core [2021-05-02 21:41:30,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:41:30,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:30,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:31,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:32,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 26646 backedges. 154 proven. 26488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:41:33,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:41:33,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185068423] [2021-05-02 21:41:33,893 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:41:33,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059301101] [2021-05-02 21:41:33,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059301101] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:41:33,893 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:41:33,894 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2021-05-02 21:41:33,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394553698] [2021-05-02 21:41:33,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-05-02 21:41:33,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:41:33,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-05-02 21:41:33,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3162, Invalid=3318, Unknown=0, NotChecked=0, Total=6480 [2021-05-02 21:41:33,895 INFO L87 Difference]: Start difference. First operand 713 states and 791 transitions. Second operand has 81 states, 81 states have (on average 6.802469135802469) internal successors, (551), 80 states have internal predecessors, (551), 80 states have call successors, (82), 80 states have call predecessors, (82), 78 states have return successors, (80), 78 states have call predecessors, (80), 79 states have call successors, (80) [2021-05-02 21:41:37,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:41:37,337 INFO L93 Difference]: Finished difference Result 722 states and 801 transitions. [2021-05-02 21:41:37,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-05-02 21:41:37,338 INFO L78 Accepts]: Start accepts. Automaton has has 81 states, 81 states have (on average 6.802469135802469) internal successors, (551), 80 states have internal predecessors, (551), 80 states have call successors, (82), 80 states have call predecessors, (82), 78 states have return successors, (80), 78 states have call predecessors, (80), 79 states have call successors, (80) Word has length 716 [2021-05-02 21:41:37,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:41:37,339 INFO L225 Difference]: With dead ends: 722 [2021-05-02 21:41:37,340 INFO L226 Difference]: Without dead ends: 722 [2021-05-02 21:41:37,341 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 792 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3003 ImplicationChecksByTransitivity, 5069.4ms TimeCoverageRelationStatistics Valid=9322, Invalid=15484, Unknown=0, NotChecked=0, Total=24806 [2021-05-02 21:41:37,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2021-05-02 21:41:37,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2021-05-02 21:41:37,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 558 states have (on average 1.1415770609318996) internal successors, (637), 558 states have internal predecessors, (637), 83 states have call successors, (83), 82 states have call predecessors, (83), 80 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2021-05-02 21:41:37,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 801 transitions. [2021-05-02 21:41:37,346 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 801 transitions. Word has length 716 [2021-05-02 21:41:37,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:41:37,346 INFO L480 AbstractCegarLoop]: Abstraction has 722 states and 801 transitions. [2021-05-02 21:41:37,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 81 states, 81 states have (on average 6.802469135802469) internal successors, (551), 80 states have internal predecessors, (551), 80 states have call successors, (82), 80 states have call predecessors, (82), 78 states have return successors, (80), 78 states have call predecessors, (80), 79 states have call successors, (80) [2021-05-02 21:41:37,346 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 801 transitions. [2021-05-02 21:41:37,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2021-05-02 21:41:37,349 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:41:37,350 INFO L523 BasicCegarLoop]: trace histogram [79, 79, 78, 78, 78, 78, 78, 78, 78, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:41:37,557 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,81 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:41:37,557 INFO L428 AbstractCegarLoop]: === Iteration 82 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:41:37,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:41:37,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1736044664, now seen corresponding path program 78 times [2021-05-02 21:41:37,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:41:37,557 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754403980] [2021-05-02 21:41:37,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:41:37,580 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:41:37,580 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1834671903] [2021-05-02 21:41:37,580 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:41:38,329 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 79 check-sat command(s) [2021-05-02 21:41:38,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:41:38,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 1921 conjuncts, 161 conjunts are in the unsatisfiable core [2021-05-02 21:41:38,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:41:38,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:38,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:39,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:40,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:41,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 27343 backedges. 156 proven. 27183 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:41:42,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:41:42,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754403980] [2021-05-02 21:41:42,025 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:41:42,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834671903] [2021-05-02 21:41:42,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834671903] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:41:42,026 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:41:42,026 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2021-05-02 21:41:42,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944926095] [2021-05-02 21:41:42,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-05-02 21:41:42,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:41:42,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-05-02 21:41:42,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3242, Invalid=3400, Unknown=0, NotChecked=0, Total=6642 [2021-05-02 21:41:42,027 INFO L87 Difference]: Start difference. First operand 722 states and 801 transitions. Second operand has 82 states, 82 states have (on average 6.804878048780488) internal successors, (558), 81 states have internal predecessors, (558), 81 states have call successors, (83), 81 states have call predecessors, (83), 79 states have return successors, (81), 79 states have call predecessors, (81), 80 states have call successors, (81) [2021-05-02 21:41:45,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:41:45,457 INFO L93 Difference]: Finished difference Result 731 states and 811 transitions. [2021-05-02 21:41:45,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-05-02 21:41:45,457 INFO L78 Accepts]: Start accepts. Automaton has has 82 states, 82 states have (on average 6.804878048780488) internal successors, (558), 81 states have internal predecessors, (558), 81 states have call successors, (83), 81 states have call predecessors, (83), 79 states have return successors, (81), 79 states have call predecessors, (81), 80 states have call successors, (81) Word has length 725 [2021-05-02 21:41:45,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:41:45,459 INFO L225 Difference]: With dead ends: 731 [2021-05-02 21:41:45,459 INFO L226 Difference]: Without dead ends: 731 [2021-05-02 21:41:45,460 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 644 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3081 ImplicationChecksByTransitivity, 5098.5ms TimeCoverageRelationStatistics Valid=9560, Invalid=15880, Unknown=0, NotChecked=0, Total=25440 [2021-05-02 21:41:45,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2021-05-02 21:41:45,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 731. [2021-05-02 21:41:45,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 565 states have (on average 1.1415929203539823) internal successors, (645), 565 states have internal predecessors, (645), 84 states have call successors, (84), 83 states have call predecessors, (84), 81 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2021-05-02 21:41:45,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 811 transitions. [2021-05-02 21:41:45,465 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 811 transitions. Word has length 725 [2021-05-02 21:41:45,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:41:45,465 INFO L480 AbstractCegarLoop]: Abstraction has 731 states and 811 transitions. [2021-05-02 21:41:45,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 6.804878048780488) internal successors, (558), 81 states have internal predecessors, (558), 81 states have call successors, (83), 81 states have call predecessors, (83), 79 states have return successors, (81), 79 states have call predecessors, (81), 80 states have call successors, (81) [2021-05-02 21:41:45,465 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 811 transitions. [2021-05-02 21:41:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2021-05-02 21:41:45,469 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:41:45,469 INFO L523 BasicCegarLoop]: trace histogram [80, 80, 79, 79, 79, 79, 79, 79, 79, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:41:45,669 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:41:45,670 INFO L428 AbstractCegarLoop]: === Iteration 83 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:41:45,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:41:45,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1187656701, now seen corresponding path program 79 times [2021-05-02 21:41:45,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:41:45,670 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465614645] [2021-05-02 21:41:45,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:41:45,676 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:41:45,676 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [226311394] [2021-05-02 21:41:45,676 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:41:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:41:45,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 1944 conjuncts, 163 conjunts are in the unsatisfiable core [2021-05-02 21:41:45,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:41:45,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:45,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:46,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:47,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:48,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:49,591 INFO L134 CoverageAnalysis]: Checked inductivity of 28049 backedges. 158 proven. 27887 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:41:49,592 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:41:49,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465614645] [2021-05-02 21:41:49,592 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:41:49,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226311394] [2021-05-02 21:41:49,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226311394] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:41:49,592 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:41:49,592 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2021-05-02 21:41:49,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867003148] [2021-05-02 21:41:49,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-05-02 21:41:49,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:41:49,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-05-02 21:41:49,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3323, Invalid=3483, Unknown=0, NotChecked=0, Total=6806 [2021-05-02 21:41:49,594 INFO L87 Difference]: Start difference. First operand 731 states and 811 transitions. Second operand has 83 states, 83 states have (on average 6.807228915662651) internal successors, (565), 82 states have internal predecessors, (565), 82 states have call successors, (84), 82 states have call predecessors, (84), 80 states have return successors, (82), 80 states have call predecessors, (82), 81 states have call successors, (82) [2021-05-02 21:41:53,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:41:53,155 INFO L93 Difference]: Finished difference Result 740 states and 821 transitions. [2021-05-02 21:41:53,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-05-02 21:41:53,156 INFO L78 Accepts]: Start accepts. Automaton has has 83 states, 83 states have (on average 6.807228915662651) internal successors, (565), 82 states have internal predecessors, (565), 82 states have call successors, (84), 82 states have call predecessors, (84), 80 states have return successors, (82), 80 states have call predecessors, (82), 81 states have call successors, (82) Word has length 734 [2021-05-02 21:41:53,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:41:53,158 INFO L225 Difference]: With dead ends: 740 [2021-05-02 21:41:53,158 INFO L226 Difference]: Without dead ends: 740 [2021-05-02 21:41:53,159 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 652 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3160 ImplicationChecksByTransitivity, 5265.4ms TimeCoverageRelationStatistics Valid=9801, Invalid=16281, Unknown=0, NotChecked=0, Total=26082 [2021-05-02 21:41:53,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-05-02 21:41:53,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2021-05-02 21:41:53,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 572 states have (on average 1.1416083916083917) internal successors, (653), 572 states have internal predecessors, (653), 85 states have call successors, (85), 84 states have call predecessors, (85), 82 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2021-05-02 21:41:53,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 821 transitions. [2021-05-02 21:41:53,164 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 821 transitions. Word has length 734 [2021-05-02 21:41:53,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:41:53,164 INFO L480 AbstractCegarLoop]: Abstraction has 740 states and 821 transitions. [2021-05-02 21:41:53,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 6.807228915662651) internal successors, (565), 82 states have internal predecessors, (565), 82 states have call successors, (84), 82 states have call predecessors, (84), 80 states have return successors, (82), 80 states have call predecessors, (82), 81 states have call successors, (82) [2021-05-02 21:41:53,164 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 821 transitions. [2021-05-02 21:41:53,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2021-05-02 21:41:53,168 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:41:53,168 INFO L523 BasicCegarLoop]: trace histogram [81, 81, 80, 80, 80, 80, 80, 80, 80, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:41:53,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,83 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:41:53,369 INFO L428 AbstractCegarLoop]: === Iteration 84 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:41:53,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:41:53,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1585398568, now seen corresponding path program 80 times [2021-05-02 21:41:53,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:41:53,369 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376836320] [2021-05-02 21:41:53,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:41:53,376 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:41:53,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [984270892] [2021-05-02 21:41:53,376 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:41:53,597 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:41:53,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:41:53,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 165 conjunts are in the unsatisfiable core [2021-05-02 21:41:53,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:41:53,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:53,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:54,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:55,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:56,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:41:57,446 INFO L134 CoverageAnalysis]: Checked inductivity of 28764 backedges. 160 proven. 28600 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:41:57,447 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:41:57,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376836320] [2021-05-02 21:41:57,447 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:41:57,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984270892] [2021-05-02 21:41:57,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984270892] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:41:57,447 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:41:57,447 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2021-05-02 21:41:57,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007727470] [2021-05-02 21:41:57,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 84 states [2021-05-02 21:41:57,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:41:57,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2021-05-02 21:41:57,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3405, Invalid=3567, Unknown=0, NotChecked=0, Total=6972 [2021-05-02 21:41:57,449 INFO L87 Difference]: Start difference. First operand 740 states and 821 transitions. Second operand has 84 states, 84 states have (on average 6.809523809523809) internal successors, (572), 83 states have internal predecessors, (572), 83 states have call successors, (85), 83 states have call predecessors, (85), 81 states have return successors, (83), 81 states have call predecessors, (83), 82 states have call successors, (83) [2021-05-02 21:42:01,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:42:01,114 INFO L93 Difference]: Finished difference Result 749 states and 831 transitions. [2021-05-02 21:42:01,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-05-02 21:42:01,114 INFO L78 Accepts]: Start accepts. Automaton has has 84 states, 84 states have (on average 6.809523809523809) internal successors, (572), 83 states have internal predecessors, (572), 83 states have call successors, (85), 83 states have call predecessors, (85), 81 states have return successors, (83), 81 states have call predecessors, (83), 82 states have call successors, (83) Word has length 743 [2021-05-02 21:42:01,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:42:01,116 INFO L225 Difference]: With dead ends: 749 [2021-05-02 21:42:01,116 INFO L226 Difference]: Without dead ends: 749 [2021-05-02 21:42:01,117 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 822 GetRequests, 660 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3240 ImplicationChecksByTransitivity, 5406.1ms TimeCoverageRelationStatistics Valid=10045, Invalid=16687, Unknown=0, NotChecked=0, Total=26732 [2021-05-02 21:42:01,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2021-05-02 21:42:01,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 749. [2021-05-02 21:42:01,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 579 states have (on average 1.1416234887737478) internal successors, (661), 579 states have internal predecessors, (661), 86 states have call successors, (86), 85 states have call predecessors, (86), 83 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2021-05-02 21:42:01,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 831 transitions. [2021-05-02 21:42:01,122 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 831 transitions. Word has length 743 [2021-05-02 21:42:01,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:42:01,122 INFO L480 AbstractCegarLoop]: Abstraction has 749 states and 831 transitions. [2021-05-02 21:42:01,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 84 states, 84 states have (on average 6.809523809523809) internal successors, (572), 83 states have internal predecessors, (572), 83 states have call successors, (85), 83 states have call predecessors, (85), 81 states have return successors, (83), 81 states have call predecessors, (83), 82 states have call successors, (83) [2021-05-02 21:42:01,122 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 831 transitions. [2021-05-02 21:42:01,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2021-05-02 21:42:01,126 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:42:01,126 INFO L523 BasicCegarLoop]: trace histogram [82, 82, 81, 81, 81, 81, 81, 81, 81, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:42:01,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,84 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:42:01,326 INFO L428 AbstractCegarLoop]: === Iteration 85 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:42:01,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:42:01,327 INFO L82 PathProgramCache]: Analyzing trace with hash -2019628125, now seen corresponding path program 81 times [2021-05-02 21:42:01,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:42:01,327 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308840898] [2021-05-02 21:42:01,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:42:01,332 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:42:01,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1595596296] [2021-05-02 21:42:01,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:42:01,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 82 check-sat command(s) [2021-05-02 21:42:01,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:42:01,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 1990 conjuncts, 167 conjunts are in the unsatisfiable core [2021-05-02 21:42:01,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:42:01,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:01,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:01,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:01,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:01,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:01,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:02,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:03,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:04,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:05,949 INFO L134 CoverageAnalysis]: Checked inductivity of 29488 backedges. 162 proven. 29322 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:42:05,950 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:42:05,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308840898] [2021-05-02 21:42:05,950 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:42:05,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595596296] [2021-05-02 21:42:05,950 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595596296] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:42:05,950 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:42:05,950 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2021-05-02 21:42:05,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136408376] [2021-05-02 21:42:05,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 85 states [2021-05-02 21:42:05,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:42:05,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-05-02 21:42:05,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3488, Invalid=3652, Unknown=0, NotChecked=0, Total=7140 [2021-05-02 21:42:05,952 INFO L87 Difference]: Start difference. First operand 749 states and 831 transitions. Second operand has 85 states, 85 states have (on average 6.811764705882353) internal successors, (579), 84 states have internal predecessors, (579), 84 states have call successors, (86), 84 states have call predecessors, (86), 82 states have return successors, (84), 82 states have call predecessors, (84), 83 states have call successors, (84) [2021-05-02 21:42:09,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:42:09,784 INFO L93 Difference]: Finished difference Result 758 states and 841 transitions. [2021-05-02 21:42:09,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2021-05-02 21:42:09,785 INFO L78 Accepts]: Start accepts. Automaton has has 85 states, 85 states have (on average 6.811764705882353) internal successors, (579), 84 states have internal predecessors, (579), 84 states have call successors, (86), 84 states have call predecessors, (86), 82 states have return successors, (84), 82 states have call predecessors, (84), 83 states have call successors, (84) Word has length 752 [2021-05-02 21:42:09,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:42:09,787 INFO L225 Difference]: With dead ends: 758 [2021-05-02 21:42:09,787 INFO L226 Difference]: Without dead ends: 758 [2021-05-02 21:42:09,788 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 832 GetRequests, 668 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3321 ImplicationChecksByTransitivity, 5639.0ms TimeCoverageRelationStatistics Valid=10292, Invalid=17098, Unknown=0, NotChecked=0, Total=27390 [2021-05-02 21:42:09,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2021-05-02 21:42:09,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 758. [2021-05-02 21:42:09,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 586 states have (on average 1.1416382252559727) internal successors, (669), 586 states have internal predecessors, (669), 87 states have call successors, (87), 86 states have call predecessors, (87), 84 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2021-05-02 21:42:09,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 841 transitions. [2021-05-02 21:42:09,793 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 841 transitions. Word has length 752 [2021-05-02 21:42:09,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:42:09,794 INFO L480 AbstractCegarLoop]: Abstraction has 758 states and 841 transitions. [2021-05-02 21:42:09,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 85 states, 85 states have (on average 6.811764705882353) internal successors, (579), 84 states have internal predecessors, (579), 84 states have call successors, (86), 84 states have call predecessors, (86), 82 states have return successors, (84), 82 states have call predecessors, (84), 83 states have call successors, (84) [2021-05-02 21:42:09,794 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 841 transitions. [2021-05-02 21:42:09,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2021-05-02 21:42:09,797 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:42:09,798 INFO L523 BasicCegarLoop]: trace histogram [83, 83, 82, 82, 82, 82, 82, 82, 82, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:42:09,998 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-05-02 21:42:09,998 INFO L428 AbstractCegarLoop]: === Iteration 86 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:42:09,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:42:09,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1949224648, now seen corresponding path program 82 times [2021-05-02 21:42:09,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:42:09,999 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665154111] [2021-05-02 21:42:09,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:42:10,005 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:42:10,005 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1497382633] [2021-05-02 21:42:10,005 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:42:10,257 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:42:10,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:42:10,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 2013 conjuncts, 169 conjunts are in the unsatisfiable core [2021-05-02 21:42:10,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:42:10,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:10,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:11,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:12,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:13,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:14,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:14,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:14,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:14,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:14,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:14,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:14,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:14,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:14,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:14,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:14,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:14,317 INFO L134 CoverageAnalysis]: Checked inductivity of 30221 backedges. 164 proven. 30053 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:42:14,317 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:42:14,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665154111] [2021-05-02 21:42:14,317 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:42:14,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497382633] [2021-05-02 21:42:14,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497382633] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:42:14,317 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:42:14,317 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2021-05-02 21:42:14,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044662427] [2021-05-02 21:42:14,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-05-02 21:42:14,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:42:14,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-05-02 21:42:14,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3572, Invalid=3738, Unknown=0, NotChecked=0, Total=7310 [2021-05-02 21:42:14,319 INFO L87 Difference]: Start difference. First operand 758 states and 841 transitions. Second operand has 86 states, 86 states have (on average 6.813953488372093) internal successors, (586), 85 states have internal predecessors, (586), 85 states have call successors, (87), 85 states have call predecessors, (87), 83 states have return successors, (85), 83 states have call predecessors, (85), 84 states have call successors, (85) [2021-05-02 21:42:18,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:42:18,234 INFO L93 Difference]: Finished difference Result 767 states and 851 transitions. [2021-05-02 21:42:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2021-05-02 21:42:18,235 INFO L78 Accepts]: Start accepts. Automaton has has 86 states, 86 states have (on average 6.813953488372093) internal successors, (586), 85 states have internal predecessors, (586), 85 states have call successors, (87), 85 states have call predecessors, (87), 83 states have return successors, (85), 83 states have call predecessors, (85), 84 states have call successors, (85) Word has length 761 [2021-05-02 21:42:18,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:42:18,236 INFO L225 Difference]: With dead ends: 767 [2021-05-02 21:42:18,237 INFO L226 Difference]: Without dead ends: 767 [2021-05-02 21:42:18,238 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 842 GetRequests, 676 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3403 ImplicationChecksByTransitivity, 5784.3ms TimeCoverageRelationStatistics Valid=10542, Invalid=17514, Unknown=0, NotChecked=0, Total=28056 [2021-05-02 21:42:18,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2021-05-02 21:42:18,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 767. [2021-05-02 21:42:18,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 593 states have (on average 1.1416526138279932) internal successors, (677), 593 states have internal predecessors, (677), 88 states have call successors, (88), 87 states have call predecessors, (88), 85 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-05-02 21:42:18,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 851 transitions. [2021-05-02 21:42:18,243 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 851 transitions. Word has length 761 [2021-05-02 21:42:18,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:42:18,243 INFO L480 AbstractCegarLoop]: Abstraction has 767 states and 851 transitions. [2021-05-02 21:42:18,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 86 states, 86 states have (on average 6.813953488372093) internal successors, (586), 85 states have internal predecessors, (586), 85 states have call successors, (87), 85 states have call predecessors, (87), 83 states have return successors, (85), 83 states have call predecessors, (85), 84 states have call successors, (85) [2021-05-02 21:42:18,244 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 851 transitions. [2021-05-02 21:42:18,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2021-05-02 21:42:18,247 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:42:18,248 INFO L523 BasicCegarLoop]: trace histogram [84, 84, 83, 83, 83, 83, 83, 83, 83, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:42:18,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,86 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:42:18,448 INFO L428 AbstractCegarLoop]: === Iteration 87 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:42:18,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:42:18,448 INFO L82 PathProgramCache]: Analyzing trace with hash 438002499, now seen corresponding path program 83 times [2021-05-02 21:42:18,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:42:18,449 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054061833] [2021-05-02 21:42:18,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:42:18,455 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:42:18,455 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2010646645] [2021-05-02 21:42:18,455 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:42:18,934 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 84 check-sat command(s) [2021-05-02 21:42:18,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:42:18,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 171 conjunts are in the unsatisfiable core [2021-05-02 21:42:18,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:42:18,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:18,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:18,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:18,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:18,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:18,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:19,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:20,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:21,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:22,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:23,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:23,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:23,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:23,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:23,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:23,132 INFO L134 CoverageAnalysis]: Checked inductivity of 30963 backedges. 166 proven. 30793 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:42:23,132 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:42:23,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054061833] [2021-05-02 21:42:23,132 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:42:23,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010646645] [2021-05-02 21:42:23,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010646645] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:42:23,133 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:42:23,133 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2021-05-02 21:42:23,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643076972] [2021-05-02 21:42:23,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-05-02 21:42:23,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:42:23,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-05-02 21:42:23,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3657, Invalid=3825, Unknown=0, NotChecked=0, Total=7482 [2021-05-02 21:42:23,134 INFO L87 Difference]: Start difference. First operand 767 states and 851 transitions. Second operand has 87 states, 87 states have (on average 6.816091954022989) internal successors, (593), 86 states have internal predecessors, (593), 86 states have call successors, (88), 86 states have call predecessors, (88), 84 states have return successors, (86), 84 states have call predecessors, (86), 85 states have call successors, (86) [2021-05-02 21:42:27,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:42:27,179 INFO L93 Difference]: Finished difference Result 776 states and 861 transitions. [2021-05-02 21:42:27,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-05-02 21:42:27,180 INFO L78 Accepts]: Start accepts. Automaton has has 87 states, 87 states have (on average 6.816091954022989) internal successors, (593), 86 states have internal predecessors, (593), 86 states have call successors, (88), 86 states have call predecessors, (88), 84 states have return successors, (86), 84 states have call predecessors, (86), 85 states have call successors, (86) Word has length 770 [2021-05-02 21:42:27,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:42:27,182 INFO L225 Difference]: With dead ends: 776 [2021-05-02 21:42:27,182 INFO L226 Difference]: Without dead ends: 776 [2021-05-02 21:42:27,183 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 852 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3486 ImplicationChecksByTransitivity, 5959.6ms TimeCoverageRelationStatistics Valid=10795, Invalid=17935, Unknown=0, NotChecked=0, Total=28730 [2021-05-02 21:42:27,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2021-05-02 21:42:27,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 776. [2021-05-02 21:42:27,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 600 states have (on average 1.1416666666666666) internal successors, (685), 600 states have internal predecessors, (685), 89 states have call successors, (89), 88 states have call predecessors, (89), 86 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-05-02 21:42:27,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 861 transitions. [2021-05-02 21:42:27,189 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 861 transitions. Word has length 770 [2021-05-02 21:42:27,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:42:27,189 INFO L480 AbstractCegarLoop]: Abstraction has 776 states and 861 transitions. [2021-05-02 21:42:27,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 87 states, 87 states have (on average 6.816091954022989) internal successors, (593), 86 states have internal predecessors, (593), 86 states have call successors, (88), 86 states have call predecessors, (88), 84 states have return successors, (86), 84 states have call predecessors, (86), 85 states have call successors, (86) [2021-05-02 21:42:27,189 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 861 transitions. [2021-05-02 21:42:27,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2021-05-02 21:42:27,193 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:42:27,193 INFO L523 BasicCegarLoop]: trace histogram [85, 85, 84, 84, 84, 84, 84, 84, 84, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:42:27,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2021-05-02 21:42:27,397 INFO L428 AbstractCegarLoop]: === Iteration 88 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:42:27,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:42:27,397 INFO L82 PathProgramCache]: Analyzing trace with hash -699314792, now seen corresponding path program 84 times [2021-05-02 21:42:27,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:42:27,397 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861641969] [2021-05-02 21:42:27,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:42:27,403 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:42:27,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [588160288] [2021-05-02 21:42:27,403 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:42:28,160 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 85 check-sat command(s) [2021-05-02 21:42:28,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:42:28,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 2059 conjuncts, 173 conjunts are in the unsatisfiable core [2021-05-02 21:42:28,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:42:28,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:28,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:29,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:30,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:31,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:32,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:32,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:32,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:32,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:32,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:32,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:32,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:32,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:32,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:32,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:32,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:32,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:32,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:32,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 31714 backedges. 168 proven. 31542 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:42:32,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:42:32,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861641969] [2021-05-02 21:42:32,430 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:42:32,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588160288] [2021-05-02 21:42:32,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588160288] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:42:32,431 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:42:32,431 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2021-05-02 21:42:32,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845600310] [2021-05-02 21:42:32,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-05-02 21:42:32,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:42:32,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-05-02 21:42:32,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3743, Invalid=3913, Unknown=0, NotChecked=0, Total=7656 [2021-05-02 21:42:32,432 INFO L87 Difference]: Start difference. First operand 776 states and 861 transitions. Second operand has 88 states, 88 states have (on average 6.818181818181818) internal successors, (600), 87 states have internal predecessors, (600), 87 states have call successors, (89), 87 states have call predecessors, (89), 85 states have return successors, (87), 85 states have call predecessors, (87), 86 states have call successors, (87) [2021-05-02 21:42:36,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:42:36,658 INFO L93 Difference]: Finished difference Result 785 states and 871 transitions. [2021-05-02 21:42:36,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-05-02 21:42:36,659 INFO L78 Accepts]: Start accepts. Automaton has has 88 states, 88 states have (on average 6.818181818181818) internal successors, (600), 87 states have internal predecessors, (600), 87 states have call successors, (89), 87 states have call predecessors, (89), 85 states have return successors, (87), 85 states have call predecessors, (87), 86 states have call successors, (87) Word has length 779 [2021-05-02 21:42:36,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:42:36,661 INFO L225 Difference]: With dead ends: 785 [2021-05-02 21:42:36,661 INFO L226 Difference]: Without dead ends: 785 [2021-05-02 21:42:36,662 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 862 GetRequests, 692 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3570 ImplicationChecksByTransitivity, 6174.7ms TimeCoverageRelationStatistics Valid=11051, Invalid=18361, Unknown=0, NotChecked=0, Total=29412 [2021-05-02 21:42:36,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2021-05-02 21:42:36,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 785. [2021-05-02 21:42:36,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 607 states have (on average 1.14168039538715) internal successors, (693), 607 states have internal predecessors, (693), 90 states have call successors, (90), 89 states have call predecessors, (90), 87 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2021-05-02 21:42:36,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 871 transitions. [2021-05-02 21:42:36,668 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 871 transitions. Word has length 779 [2021-05-02 21:42:36,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:42:36,668 INFO L480 AbstractCegarLoop]: Abstraction has 785 states and 871 transitions. [2021-05-02 21:42:36,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 6.818181818181818) internal successors, (600), 87 states have internal predecessors, (600), 87 states have call successors, (89), 87 states have call predecessors, (89), 85 states have return successors, (87), 85 states have call predecessors, (87), 86 states have call successors, (87) [2021-05-02 21:42:36,668 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 871 transitions. [2021-05-02 21:42:36,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 789 [2021-05-02 21:42:36,672 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:42:36,673 INFO L523 BasicCegarLoop]: trace histogram [86, 86, 85, 85, 85, 85, 85, 85, 85, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:42:36,873 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2021-05-02 21:42:36,873 INFO L428 AbstractCegarLoop]: === Iteration 89 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:42:36,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:42:36,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1132802787, now seen corresponding path program 85 times [2021-05-02 21:42:36,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:42:36,874 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437159955] [2021-05-02 21:42:36,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:42:36,880 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:42:36,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [690330376] [2021-05-02 21:42:36,880 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:42:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:42:37,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 2082 conjuncts, 175 conjunts are in the unsatisfiable core [2021-05-02 21:42:37,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:42:37,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:37,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:38,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:39,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:40,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:41,541 INFO L134 CoverageAnalysis]: Checked inductivity of 32474 backedges. 170 proven. 32300 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:42:41,541 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:42:41,541 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437159955] [2021-05-02 21:42:41,541 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:42:41,541 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690330376] [2021-05-02 21:42:41,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690330376] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:42:41,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:42:41,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2021-05-02 21:42:41,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666961520] [2021-05-02 21:42:41,542 INFO L460 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-05-02 21:42:41,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:42:41,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-05-02 21:42:41,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3830, Invalid=4002, Unknown=0, NotChecked=0, Total=7832 [2021-05-02 21:42:41,543 INFO L87 Difference]: Start difference. First operand 785 states and 871 transitions. Second operand has 89 states, 89 states have (on average 6.820224719101123) internal successors, (607), 88 states have internal predecessors, (607), 88 states have call successors, (90), 88 states have call predecessors, (90), 86 states have return successors, (88), 86 states have call predecessors, (88), 87 states have call successors, (88) [2021-05-02 21:42:45,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:42:45,995 INFO L93 Difference]: Finished difference Result 794 states and 881 transitions. [2021-05-02 21:42:45,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2021-05-02 21:42:45,995 INFO L78 Accepts]: Start accepts. Automaton has has 89 states, 89 states have (on average 6.820224719101123) internal successors, (607), 88 states have internal predecessors, (607), 88 states have call successors, (90), 88 states have call predecessors, (90), 86 states have return successors, (88), 86 states have call predecessors, (88), 87 states have call successors, (88) Word has length 788 [2021-05-02 21:42:45,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:42:45,997 INFO L225 Difference]: With dead ends: 794 [2021-05-02 21:42:45,997 INFO L226 Difference]: Without dead ends: 794 [2021-05-02 21:42:45,998 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 872 GetRequests, 700 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3655 ImplicationChecksByTransitivity, 6445.4ms TimeCoverageRelationStatistics Valid=11310, Invalid=18792, Unknown=0, NotChecked=0, Total=30102 [2021-05-02 21:42:45,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2021-05-02 21:42:46,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2021-05-02 21:42:46,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 614 states have (on average 1.1416938110749186) internal successors, (701), 614 states have internal predecessors, (701), 91 states have call successors, (91), 90 states have call predecessors, (91), 88 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2021-05-02 21:42:46,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 881 transitions. [2021-05-02 21:42:46,005 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 881 transitions. Word has length 788 [2021-05-02 21:42:46,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:42:46,005 INFO L480 AbstractCegarLoop]: Abstraction has 794 states and 881 transitions. [2021-05-02 21:42:46,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 89 states, 89 states have (on average 6.820224719101123) internal successors, (607), 88 states have internal predecessors, (607), 88 states have call successors, (90), 88 states have call predecessors, (90), 86 states have return successors, (88), 86 states have call predecessors, (88), 87 states have call successors, (88) [2021-05-02 21:42:46,005 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 881 transitions. [2021-05-02 21:42:46,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 798 [2021-05-02 21:42:46,009 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:42:46,009 INFO L523 BasicCegarLoop]: trace histogram [87, 87, 86, 86, 86, 86, 86, 86, 86, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:42:46,210 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,89 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:42:46,210 INFO L428 AbstractCegarLoop]: === Iteration 90 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:42:46,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:42:46,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1130828280, now seen corresponding path program 86 times [2021-05-02 21:42:46,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:42:46,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561173726] [2021-05-02 21:42:46,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:42:46,217 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:42:46,217 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1320184913] [2021-05-02 21:42:46,217 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:42:46,442 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:42:46,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:42:46,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 2105 conjuncts, 177 conjunts are in the unsatisfiable core [2021-05-02 21:42:46,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:42:46,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:46,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:47,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:48,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:49,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:50,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:51,020 INFO L134 CoverageAnalysis]: Checked inductivity of 33243 backedges. 172 proven. 33067 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:42:51,020 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:42:51,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561173726] [2021-05-02 21:42:51,020 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:42:51,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320184913] [2021-05-02 21:42:51,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320184913] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:42:51,020 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:42:51,020 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2021-05-02 21:42:51,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730015183] [2021-05-02 21:42:51,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 90 states [2021-05-02 21:42:51,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:42:51,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2021-05-02 21:42:51,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3918, Invalid=4092, Unknown=0, NotChecked=0, Total=8010 [2021-05-02 21:42:51,022 INFO L87 Difference]: Start difference. First operand 794 states and 881 transitions. Second operand has 90 states, 90 states have (on average 6.822222222222222) internal successors, (614), 89 states have internal predecessors, (614), 89 states have call successors, (91), 89 states have call predecessors, (91), 87 states have return successors, (89), 87 states have call predecessors, (89), 88 states have call successors, (89) [2021-05-02 21:42:55,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:42:55,417 INFO L93 Difference]: Finished difference Result 803 states and 891 transitions. [2021-05-02 21:42:55,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-05-02 21:42:55,418 INFO L78 Accepts]: Start accepts. Automaton has has 90 states, 90 states have (on average 6.822222222222222) internal successors, (614), 89 states have internal predecessors, (614), 89 states have call successors, (91), 89 states have call predecessors, (91), 87 states have return successors, (89), 87 states have call predecessors, (89), 88 states have call successors, (89) Word has length 797 [2021-05-02 21:42:55,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:42:55,419 INFO L225 Difference]: With dead ends: 803 [2021-05-02 21:42:55,419 INFO L226 Difference]: Without dead ends: 803 [2021-05-02 21:42:55,421 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 882 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3741 ImplicationChecksByTransitivity, 6539.5ms TimeCoverageRelationStatistics Valid=11572, Invalid=19228, Unknown=0, NotChecked=0, Total=30800 [2021-05-02 21:42:55,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2021-05-02 21:42:55,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 803. [2021-05-02 21:42:55,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 621 states have (on average 1.14170692431562) internal successors, (709), 621 states have internal predecessors, (709), 92 states have call successors, (92), 91 states have call predecessors, (92), 89 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2021-05-02 21:42:55,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 891 transitions. [2021-05-02 21:42:55,426 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 891 transitions. Word has length 797 [2021-05-02 21:42:55,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:42:55,426 INFO L480 AbstractCegarLoop]: Abstraction has 803 states and 891 transitions. [2021-05-02 21:42:55,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 90 states, 90 states have (on average 6.822222222222222) internal successors, (614), 89 states have internal predecessors, (614), 89 states have call successors, (91), 89 states have call predecessors, (91), 87 states have return successors, (89), 87 states have call predecessors, (89), 88 states have call successors, (89) [2021-05-02 21:42:55,427 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 891 transitions. [2021-05-02 21:42:55,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 807 [2021-05-02 21:42:55,439 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:42:55,439 INFO L523 BasicCegarLoop]: trace histogram [88, 88, 87, 87, 87, 87, 87, 87, 87, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:42:55,639 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,90 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:42:55,640 INFO L428 AbstractCegarLoop]: === Iteration 91 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:42:55,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:42:55,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1808377213, now seen corresponding path program 87 times [2021-05-02 21:42:55,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:42:55,640 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253368613] [2021-05-02 21:42:55,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:42:55,646 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:42:55,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [946629997] [2021-05-02 21:42:55,646 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 91 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 91 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:42:56,391 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 88 check-sat command(s) [2021-05-02 21:42:56,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:42:56,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 2128 conjuncts, 179 conjunts are in the unsatisfiable core [2021-05-02 21:42:56,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:42:56,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:56,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:57,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:58,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:42:59,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:00,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:01,502 INFO L134 CoverageAnalysis]: Checked inductivity of 34021 backedges. 174 proven. 33843 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:43:01,502 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:43:01,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253368613] [2021-05-02 21:43:01,502 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:43:01,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946629997] [2021-05-02 21:43:01,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946629997] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:43:01,502 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:43:01,502 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2021-05-02 21:43:01,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619962033] [2021-05-02 21:43:01,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 91 states [2021-05-02 21:43:01,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:43:01,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2021-05-02 21:43:01,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4007, Invalid=4183, Unknown=0, NotChecked=0, Total=8190 [2021-05-02 21:43:01,504 INFO L87 Difference]: Start difference. First operand 803 states and 891 transitions. Second operand has 91 states, 91 states have (on average 6.824175824175824) internal successors, (621), 90 states have internal predecessors, (621), 90 states have call successors, (92), 90 states have call predecessors, (92), 88 states have return successors, (90), 88 states have call predecessors, (90), 89 states have call successors, (90) [2021-05-02 21:43:06,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:43:06,182 INFO L93 Difference]: Finished difference Result 812 states and 901 transitions. [2021-05-02 21:43:06,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2021-05-02 21:43:06,182 INFO L78 Accepts]: Start accepts. Automaton has has 91 states, 91 states have (on average 6.824175824175824) internal successors, (621), 90 states have internal predecessors, (621), 90 states have call successors, (92), 90 states have call predecessors, (92), 88 states have return successors, (90), 88 states have call predecessors, (90), 89 states have call successors, (90) Word has length 806 [2021-05-02 21:43:06,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:43:06,184 INFO L225 Difference]: With dead ends: 812 [2021-05-02 21:43:06,184 INFO L226 Difference]: Without dead ends: 812 [2021-05-02 21:43:06,185 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 892 GetRequests, 716 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3828 ImplicationChecksByTransitivity, 7107.8ms TimeCoverageRelationStatistics Valid=11837, Invalid=19669, Unknown=0, NotChecked=0, Total=31506 [2021-05-02 21:43:06,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2021-05-02 21:43:06,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 812. [2021-05-02 21:43:06,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 628 states have (on average 1.14171974522293) internal successors, (717), 628 states have internal predecessors, (717), 93 states have call successors, (93), 92 states have call predecessors, (93), 90 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2021-05-02 21:43:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 901 transitions. [2021-05-02 21:43:06,190 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 901 transitions. Word has length 806 [2021-05-02 21:43:06,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:43:06,191 INFO L480 AbstractCegarLoop]: Abstraction has 812 states and 901 transitions. [2021-05-02 21:43:06,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 91 states, 91 states have (on average 6.824175824175824) internal successors, (621), 90 states have internal predecessors, (621), 90 states have call successors, (92), 90 states have call predecessors, (92), 88 states have return successors, (90), 88 states have call predecessors, (90), 89 states have call successors, (90) [2021-05-02 21:43:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 901 transitions. [2021-05-02 21:43:06,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2021-05-02 21:43:06,195 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:43:06,195 INFO L523 BasicCegarLoop]: trace histogram [89, 89, 88, 88, 88, 88, 88, 88, 88, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:43:06,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,91 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:43:06,396 INFO L428 AbstractCegarLoop]: === Iteration 92 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:43:06,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:43:06,396 INFO L82 PathProgramCache]: Analyzing trace with hash 133725784, now seen corresponding path program 88 times [2021-05-02 21:43:06,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:43:06,396 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843685623] [2021-05-02 21:43:06,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:43:06,402 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:43:06,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [698119492] [2021-05-02 21:43:06,402 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 92 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 92 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:43:06,662 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:43:06,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:43:06,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 2151 conjuncts, 181 conjunts are in the unsatisfiable core [2021-05-02 21:43:06,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:43:06,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:06,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:07,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:08,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:09,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:10,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:11,546 INFO L134 CoverageAnalysis]: Checked inductivity of 34808 backedges. 176 proven. 34628 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:43:11,547 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:43:11,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843685623] [2021-05-02 21:43:11,547 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:43:11,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698119492] [2021-05-02 21:43:11,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698119492] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:43:11,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:43:11,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2021-05-02 21:43:11,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572645771] [2021-05-02 21:43:11,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 92 states [2021-05-02 21:43:11,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:43:11,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-05-02 21:43:11,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4097, Invalid=4275, Unknown=0, NotChecked=0, Total=8372 [2021-05-02 21:43:11,549 INFO L87 Difference]: Start difference. First operand 812 states and 901 transitions. Second operand has 92 states, 92 states have (on average 6.826086956521739) internal successors, (628), 91 states have internal predecessors, (628), 91 states have call successors, (93), 91 states have call predecessors, (93), 89 states have return successors, (91), 89 states have call predecessors, (91), 90 states have call successors, (91) [2021-05-02 21:43:16,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:43:16,196 INFO L93 Difference]: Finished difference Result 821 states and 911 transitions. [2021-05-02 21:43:16,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2021-05-02 21:43:16,196 INFO L78 Accepts]: Start accepts. Automaton has has 92 states, 92 states have (on average 6.826086956521739) internal successors, (628), 91 states have internal predecessors, (628), 91 states have call successors, (93), 91 states have call predecessors, (93), 89 states have return successors, (91), 89 states have call predecessors, (91), 90 states have call successors, (91) Word has length 815 [2021-05-02 21:43:16,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:43:16,198 INFO L225 Difference]: With dead ends: 821 [2021-05-02 21:43:16,198 INFO L226 Difference]: Without dead ends: 821 [2021-05-02 21:43:16,199 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 902 GetRequests, 724 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3916 ImplicationChecksByTransitivity, 7007.1ms TimeCoverageRelationStatistics Valid=12105, Invalid=20115, Unknown=0, NotChecked=0, Total=32220 [2021-05-02 21:43:16,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2021-05-02 21:43:16,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2021-05-02 21:43:16,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 635 states have (on average 1.141732283464567) internal successors, (725), 635 states have internal predecessors, (725), 94 states have call successors, (94), 93 states have call predecessors, (94), 91 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2021-05-02 21:43:16,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 911 transitions. [2021-05-02 21:43:16,205 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 911 transitions. Word has length 815 [2021-05-02 21:43:16,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:43:16,205 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 911 transitions. [2021-05-02 21:43:16,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 92 states, 92 states have (on average 6.826086956521739) internal successors, (628), 91 states have internal predecessors, (628), 91 states have call successors, (93), 91 states have call predecessors, (93), 89 states have return successors, (91), 89 states have call predecessors, (91), 90 states have call successors, (91) [2021-05-02 21:43:16,205 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 911 transitions. [2021-05-02 21:43:16,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2021-05-02 21:43:16,210 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:43:16,210 INFO L523 BasicCegarLoop]: trace histogram [90, 90, 89, 89, 89, 89, 89, 89, 89, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:43:16,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,92 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:43:16,410 INFO L428 AbstractCegarLoop]: === Iteration 93 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:43:16,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:43:16,411 INFO L82 PathProgramCache]: Analyzing trace with hash -100083165, now seen corresponding path program 89 times [2021-05-02 21:43:16,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:43:16,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836138003] [2021-05-02 21:43:16,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:43:16,417 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:43:16,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1094133180] [2021-05-02 21:43:16,417 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:43:16,926 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 90 check-sat command(s) [2021-05-02 21:43:16,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:43:16,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 2174 conjuncts, 183 conjunts are in the unsatisfiable core [2021-05-02 21:43:16,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:43:16,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:16,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:16,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:16,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:16,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:16,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:17,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:18,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:19,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:20,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 35604 backedges. 178 proven. 35422 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:43:21,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:43:21,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836138003] [2021-05-02 21:43:21,945 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:43:21,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094133180] [2021-05-02 21:43:21,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094133180] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:43:21,945 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:43:21,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2021-05-02 21:43:21,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594982885] [2021-05-02 21:43:21,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 93 states [2021-05-02 21:43:21,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:43:21,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-05-02 21:43:21,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4188, Invalid=4368, Unknown=0, NotChecked=0, Total=8556 [2021-05-02 21:43:21,947 INFO L87 Difference]: Start difference. First operand 821 states and 911 transitions. Second operand has 93 states, 93 states have (on average 6.827956989247312) internal successors, (635), 92 states have internal predecessors, (635), 92 states have call successors, (94), 92 states have call predecessors, (94), 90 states have return successors, (92), 90 states have call predecessors, (92), 91 states have call successors, (92) [2021-05-02 21:43:26,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:43:26,859 INFO L93 Difference]: Finished difference Result 830 states and 921 transitions. [2021-05-02 21:43:26,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-05-02 21:43:26,860 INFO L78 Accepts]: Start accepts. Automaton has has 93 states, 93 states have (on average 6.827956989247312) internal successors, (635), 92 states have internal predecessors, (635), 92 states have call successors, (94), 92 states have call predecessors, (94), 90 states have return successors, (92), 90 states have call predecessors, (92), 91 states have call successors, (92) Word has length 824 [2021-05-02 21:43:26,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:43:26,862 INFO L225 Difference]: With dead ends: 830 [2021-05-02 21:43:26,862 INFO L226 Difference]: Without dead ends: 830 [2021-05-02 21:43:26,863 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 912 GetRequests, 732 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4005 ImplicationChecksByTransitivity, 7274.7ms TimeCoverageRelationStatistics Valid=12376, Invalid=20566, Unknown=0, NotChecked=0, Total=32942 [2021-05-02 21:43:26,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2021-05-02 21:43:26,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 830. [2021-05-02 21:43:26,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 642 states have (on average 1.1417445482866044) internal successors, (733), 642 states have internal predecessors, (733), 95 states have call successors, (95), 94 states have call predecessors, (95), 92 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2021-05-02 21:43:26,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 921 transitions. [2021-05-02 21:43:26,868 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 921 transitions. Word has length 824 [2021-05-02 21:43:26,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:43:26,869 INFO L480 AbstractCegarLoop]: Abstraction has 830 states and 921 transitions. [2021-05-02 21:43:26,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 93 states, 93 states have (on average 6.827956989247312) internal successors, (635), 92 states have internal predecessors, (635), 92 states have call successors, (94), 92 states have call predecessors, (94), 90 states have return successors, (92), 90 states have call predecessors, (92), 91 states have call successors, (92) [2021-05-02 21:43:26,869 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 921 transitions. [2021-05-02 21:43:26,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 834 [2021-05-02 21:43:26,873 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:43:26,874 INFO L523 BasicCegarLoop]: trace histogram [91, 91, 90, 90, 90, 90, 90, 90, 90, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:43:27,074 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,93 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:43:27,074 INFO L428 AbstractCegarLoop]: === Iteration 94 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:43:27,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:43:27,074 INFO L82 PathProgramCache]: Analyzing trace with hash 728470200, now seen corresponding path program 90 times [2021-05-02 21:43:27,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:43:27,075 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40925971] [2021-05-02 21:43:27,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:43:27,081 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:43:27,081 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1791992277] [2021-05-02 21:43:27,081 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 94 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 94 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:43:28,020 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 91 check-sat command(s) [2021-05-02 21:43:28,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:43:28,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 2197 conjuncts, 185 conjunts are in the unsatisfiable core [2021-05-02 21:43:28,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:43:28,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:28,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:29,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:30,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:31,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:32,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:33,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:33,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:33,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:33,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:33,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 36409 backedges. 180 proven. 36225 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:43:33,161 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:43:33,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40925971] [2021-05-02 21:43:33,162 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:43:33,162 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791992277] [2021-05-02 21:43:33,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791992277] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:43:33,162 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:43:33,162 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2021-05-02 21:43:33,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116489434] [2021-05-02 21:43:33,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 94 states [2021-05-02 21:43:33,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:43:33,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2021-05-02 21:43:33,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4280, Invalid=4462, Unknown=0, NotChecked=0, Total=8742 [2021-05-02 21:43:33,164 INFO L87 Difference]: Start difference. First operand 830 states and 921 transitions. Second operand has 94 states, 94 states have (on average 6.829787234042553) internal successors, (642), 93 states have internal predecessors, (642), 93 states have call successors, (95), 93 states have call predecessors, (95), 91 states have return successors, (93), 91 states have call predecessors, (93), 92 states have call successors, (93) [2021-05-02 21:43:38,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:43:38,315 INFO L93 Difference]: Finished difference Result 839 states and 931 transitions. [2021-05-02 21:43:38,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2021-05-02 21:43:38,316 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 94 states have (on average 6.829787234042553) internal successors, (642), 93 states have internal predecessors, (642), 93 states have call successors, (95), 93 states have call predecessors, (95), 91 states have return successors, (93), 91 states have call predecessors, (93), 92 states have call successors, (93) Word has length 833 [2021-05-02 21:43:38,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:43:38,318 INFO L225 Difference]: With dead ends: 839 [2021-05-02 21:43:38,318 INFO L226 Difference]: Without dead ends: 839 [2021-05-02 21:43:38,320 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 922 GetRequests, 740 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4095 ImplicationChecksByTransitivity, 7518.8ms TimeCoverageRelationStatistics Valid=12650, Invalid=21022, Unknown=0, NotChecked=0, Total=33672 [2021-05-02 21:43:38,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2021-05-02 21:43:38,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 839. [2021-05-02 21:43:38,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 649 states have (on average 1.1417565485362096) internal successors, (741), 649 states have internal predecessors, (741), 96 states have call successors, (96), 95 states have call predecessors, (96), 93 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2021-05-02 21:43:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 931 transitions. [2021-05-02 21:43:38,326 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 931 transitions. Word has length 833 [2021-05-02 21:43:38,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:43:38,327 INFO L480 AbstractCegarLoop]: Abstraction has 839 states and 931 transitions. [2021-05-02 21:43:38,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 94 states, 94 states have (on average 6.829787234042553) internal successors, (642), 93 states have internal predecessors, (642), 93 states have call successors, (95), 93 states have call predecessors, (95), 91 states have return successors, (93), 91 states have call predecessors, (93), 92 states have call successors, (93) [2021-05-02 21:43:38,327 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 931 transitions. [2021-05-02 21:43:38,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2021-05-02 21:43:38,331 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:43:38,332 INFO L523 BasicCegarLoop]: trace histogram [92, 92, 91, 91, 91, 91, 91, 91, 91, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:43:38,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,94 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:43:38,532 INFO L428 AbstractCegarLoop]: === Iteration 95 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:43:38,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:43:38,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1616294339, now seen corresponding path program 91 times [2021-05-02 21:43:38,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:43:38,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585617867] [2021-05-02 21:43:38,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:43:38,539 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:43:38,539 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525668221] [2021-05-02 21:43:38,539 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 95 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 95 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:43:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:43:38,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 2220 conjuncts, 187 conjunts are in the unsatisfiable core [2021-05-02 21:43:38,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:43:38,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:38,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:39,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:40,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:41,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:42,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:43,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:44,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:44,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:44,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:44,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:44,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:44,176 INFO L134 CoverageAnalysis]: Checked inductivity of 37223 backedges. 182 proven. 37037 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:43:44,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:43:44,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585617867] [2021-05-02 21:43:44,177 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:43:44,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525668221] [2021-05-02 21:43:44,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525668221] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:43:44,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:43:44,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2021-05-02 21:43:44,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509088838] [2021-05-02 21:43:44,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 95 states [2021-05-02 21:43:44,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:43:44,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2021-05-02 21:43:44,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4373, Invalid=4557, Unknown=0, NotChecked=0, Total=8930 [2021-05-02 21:43:44,179 INFO L87 Difference]: Start difference. First operand 839 states and 931 transitions. Second operand has 95 states, 95 states have (on average 6.831578947368421) internal successors, (649), 94 states have internal predecessors, (649), 94 states have call successors, (96), 94 states have call predecessors, (96), 92 states have return successors, (94), 92 states have call predecessors, (94), 93 states have call successors, (94) [2021-05-02 21:43:49,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:43:49,496 INFO L93 Difference]: Finished difference Result 848 states and 941 transitions. [2021-05-02 21:43:49,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2021-05-02 21:43:49,497 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 6.831578947368421) internal successors, (649), 94 states have internal predecessors, (649), 94 states have call successors, (96), 94 states have call predecessors, (96), 92 states have return successors, (94), 92 states have call predecessors, (94), 93 states have call successors, (94) Word has length 842 [2021-05-02 21:43:49,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:43:49,498 INFO L225 Difference]: With dead ends: 848 [2021-05-02 21:43:49,498 INFO L226 Difference]: Without dead ends: 848 [2021-05-02 21:43:49,499 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 932 GetRequests, 748 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4186 ImplicationChecksByTransitivity, 7851.3ms TimeCoverageRelationStatistics Valid=12927, Invalid=21483, Unknown=0, NotChecked=0, Total=34410 [2021-05-02 21:43:49,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2021-05-02 21:43:49,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 848. [2021-05-02 21:43:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 656 states have (on average 1.141768292682927) internal successors, (749), 656 states have internal predecessors, (749), 97 states have call successors, (97), 96 states have call predecessors, (97), 94 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2021-05-02 21:43:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 941 transitions. [2021-05-02 21:43:49,505 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 941 transitions. Word has length 842 [2021-05-02 21:43:49,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:43:49,505 INFO L480 AbstractCegarLoop]: Abstraction has 848 states and 941 transitions. [2021-05-02 21:43:49,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 95 states, 95 states have (on average 6.831578947368421) internal successors, (649), 94 states have internal predecessors, (649), 94 states have call successors, (96), 94 states have call predecessors, (96), 92 states have return successors, (94), 92 states have call predecessors, (94), 93 states have call successors, (94) [2021-05-02 21:43:49,506 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 941 transitions. [2021-05-02 21:43:49,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 852 [2021-05-02 21:43:49,510 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:43:49,510 INFO L523 BasicCegarLoop]: trace histogram [93, 93, 92, 92, 92, 92, 92, 92, 92, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:43:49,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,95 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:43:49,717 INFO L428 AbstractCegarLoop]: === Iteration 96 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:43:49,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:43:49,717 INFO L82 PathProgramCache]: Analyzing trace with hash -408531176, now seen corresponding path program 92 times [2021-05-02 21:43:49,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:43:49,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268319254] [2021-05-02 21:43:49,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:43:49,723 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:43:49,724 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [875843654] [2021-05-02 21:43:49,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 96 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 96 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:43:49,963 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:43:49,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:43:49,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 189 conjunts are in the unsatisfiable core [2021-05-02 21:43:49,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:43:49,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:49,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:49,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:50,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:51,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:52,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:53,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:54,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:55,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:55,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:55,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:55,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:55,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:55,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:55,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:55,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:55,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:55,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:55,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:55,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:55,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:55,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:43:55,528 INFO L134 CoverageAnalysis]: Checked inductivity of 38046 backedges. 184 proven. 37858 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:43:55,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:43:55,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268319254] [2021-05-02 21:43:55,529 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:43:55,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875843654] [2021-05-02 21:43:55,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875843654] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:43:55,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:43:55,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2021-05-02 21:43:55,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135479408] [2021-05-02 21:43:55,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 96 states [2021-05-02 21:43:55,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:43:55,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2021-05-02 21:43:55,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4467, Invalid=4653, Unknown=0, NotChecked=0, Total=9120 [2021-05-02 21:43:55,531 INFO L87 Difference]: Start difference. First operand 848 states and 941 transitions. Second operand has 96 states, 96 states have (on average 6.833333333333333) internal successors, (656), 95 states have internal predecessors, (656), 95 states have call successors, (97), 95 states have call predecessors, (97), 93 states have return successors, (95), 93 states have call predecessors, (95), 94 states have call successors, (95) [2021-05-02 21:44:01,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:44:01,008 INFO L93 Difference]: Finished difference Result 857 states and 951 transitions. [2021-05-02 21:44:01,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-05-02 21:44:01,009 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 96 states have (on average 6.833333333333333) internal successors, (656), 95 states have internal predecessors, (656), 95 states have call successors, (97), 95 states have call predecessors, (97), 93 states have return successors, (95), 93 states have call predecessors, (95), 94 states have call successors, (95) Word has length 851 [2021-05-02 21:44:01,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:44:01,010 INFO L225 Difference]: With dead ends: 857 [2021-05-02 21:44:01,011 INFO L226 Difference]: Without dead ends: 857 [2021-05-02 21:44:01,012 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 942 GetRequests, 756 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4278 ImplicationChecksByTransitivity, 8127.6ms TimeCoverageRelationStatistics Valid=13207, Invalid=21949, Unknown=0, NotChecked=0, Total=35156 [2021-05-02 21:44:01,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2021-05-02 21:44:01,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 857. [2021-05-02 21:44:01,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 663 states have (on average 1.1417797888386123) internal successors, (757), 663 states have internal predecessors, (757), 98 states have call successors, (98), 97 states have call predecessors, (98), 95 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2021-05-02 21:44:01,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 951 transitions. [2021-05-02 21:44:01,018 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 951 transitions. Word has length 851 [2021-05-02 21:44:01,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:44:01,018 INFO L480 AbstractCegarLoop]: Abstraction has 857 states and 951 transitions. [2021-05-02 21:44:01,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 96 states, 96 states have (on average 6.833333333333333) internal successors, (656), 95 states have internal predecessors, (656), 95 states have call successors, (97), 95 states have call predecessors, (97), 93 states have return successors, (95), 93 states have call predecessors, (95), 94 states have call successors, (95) [2021-05-02 21:44:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 951 transitions. [2021-05-02 21:44:01,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2021-05-02 21:44:01,023 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:44:01,023 INFO L523 BasicCegarLoop]: trace histogram [94, 94, 93, 93, 93, 93, 93, 93, 93, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:44:01,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,96 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:44:01,223 INFO L428 AbstractCegarLoop]: === Iteration 97 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:44:01,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:44:01,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1341776227, now seen corresponding path program 93 times [2021-05-02 21:44:01,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:44:01,224 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268266795] [2021-05-02 21:44:01,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:44:01,230 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:44:01,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1531688233] [2021-05-02 21:44:01,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 97 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 97 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:44:02,015 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 94 check-sat command(s) [2021-05-02 21:44:02,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:44:02,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 191 conjunts are in the unsatisfiable core [2021-05-02 21:44:02,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:44:02,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:02,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:03,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:04,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:05,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:06,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:07,956 INFO L134 CoverageAnalysis]: Checked inductivity of 38878 backedges. 186 proven. 38688 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:44:07,956 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:44:07,956 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268266795] [2021-05-02 21:44:07,957 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:44:07,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531688233] [2021-05-02 21:44:07,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531688233] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:44:07,957 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:44:07,957 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2021-05-02 21:44:07,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194021274] [2021-05-02 21:44:07,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 97 states [2021-05-02 21:44:07,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:44:07,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-05-02 21:44:07,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4562, Invalid=4750, Unknown=0, NotChecked=0, Total=9312 [2021-05-02 21:44:07,959 INFO L87 Difference]: Start difference. First operand 857 states and 951 transitions. Second operand has 97 states, 97 states have (on average 6.835051546391752) internal successors, (663), 96 states have internal predecessors, (663), 96 states have call successors, (98), 96 states have call predecessors, (98), 94 states have return successors, (96), 94 states have call predecessors, (96), 95 states have call successors, (96) [2021-05-02 21:44:13,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:44:13,673 INFO L93 Difference]: Finished difference Result 866 states and 961 transitions. [2021-05-02 21:44:13,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2021-05-02 21:44:13,674 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 6.835051546391752) internal successors, (663), 96 states have internal predecessors, (663), 96 states have call successors, (98), 96 states have call predecessors, (98), 94 states have return successors, (96), 94 states have call predecessors, (96), 95 states have call successors, (96) Word has length 860 [2021-05-02 21:44:13,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:44:13,675 INFO L225 Difference]: With dead ends: 866 [2021-05-02 21:44:13,675 INFO L226 Difference]: Without dead ends: 866 [2021-05-02 21:44:13,677 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 952 GetRequests, 764 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4371 ImplicationChecksByTransitivity, 8533.2ms TimeCoverageRelationStatistics Valid=13490, Invalid=22420, Unknown=0, NotChecked=0, Total=35910 [2021-05-02 21:44:13,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2021-05-02 21:44:13,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2021-05-02 21:44:13,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 670 states have (on average 1.1417910447761195) internal successors, (765), 670 states have internal predecessors, (765), 99 states have call successors, (99), 98 states have call predecessors, (99), 96 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2021-05-02 21:44:13,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 961 transitions. [2021-05-02 21:44:13,682 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 961 transitions. Word has length 860 [2021-05-02 21:44:13,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:44:13,683 INFO L480 AbstractCegarLoop]: Abstraction has 866 states and 961 transitions. [2021-05-02 21:44:13,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 97 states, 97 states have (on average 6.835051546391752) internal successors, (663), 96 states have internal predecessors, (663), 96 states have call successors, (98), 96 states have call predecessors, (98), 94 states have return successors, (96), 94 states have call predecessors, (96), 95 states have call successors, (96) [2021-05-02 21:44:13,683 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 961 transitions. [2021-05-02 21:44:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2021-05-02 21:44:13,688 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:44:13,688 INFO L523 BasicCegarLoop]: trace histogram [95, 95, 94, 94, 94, 94, 94, 94, 94, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:44:13,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2021-05-02 21:44:13,909 INFO L428 AbstractCegarLoop]: === Iteration 98 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:44:13,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:44:13,909 INFO L82 PathProgramCache]: Analyzing trace with hash 151958392, now seen corresponding path program 94 times [2021-05-02 21:44:13,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:44:13,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559335286] [2021-05-02 21:44:13,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:44:13,915 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:44:13,915 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [641269131] [2021-05-02 21:44:13,916 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:44:14,197 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:44:14,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:44:14,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 2289 conjuncts, 193 conjunts are in the unsatisfiable core [2021-05-02 21:44:14,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:44:14,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:14,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:15,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:16,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:17,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:18,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:19,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:20,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:20,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:20,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:20,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:20,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:20,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:20,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:20,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 39719 backedges. 188 proven. 39527 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:44:20,322 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:44:20,322 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559335286] [2021-05-02 21:44:20,322 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:44:20,322 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641269131] [2021-05-02 21:44:20,322 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641269131] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:44:20,322 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:44:20,323 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2021-05-02 21:44:20,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174794385] [2021-05-02 21:44:20,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 98 states [2021-05-02 21:44:20,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:44:20,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2021-05-02 21:44:20,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4658, Invalid=4848, Unknown=0, NotChecked=0, Total=9506 [2021-05-02 21:44:20,324 INFO L87 Difference]: Start difference. First operand 866 states and 961 transitions. Second operand has 98 states, 98 states have (on average 6.836734693877551) internal successors, (670), 97 states have internal predecessors, (670), 97 states have call successors, (99), 97 states have call predecessors, (99), 95 states have return successors, (97), 95 states have call predecessors, (97), 96 states have call successors, (97) [2021-05-02 21:44:26,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:44:26,267 INFO L93 Difference]: Finished difference Result 875 states and 971 transitions. [2021-05-02 21:44:26,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2021-05-02 21:44:26,268 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 98 states have (on average 6.836734693877551) internal successors, (670), 97 states have internal predecessors, (670), 97 states have call successors, (99), 97 states have call predecessors, (99), 95 states have return successors, (97), 95 states have call predecessors, (97), 96 states have call successors, (97) Word has length 869 [2021-05-02 21:44:26,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:44:26,269 INFO L225 Difference]: With dead ends: 875 [2021-05-02 21:44:26,269 INFO L226 Difference]: Without dead ends: 875 [2021-05-02 21:44:26,271 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 962 GetRequests, 772 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4465 ImplicationChecksByTransitivity, 8904.1ms TimeCoverageRelationStatistics Valid=13776, Invalid=22896, Unknown=0, NotChecked=0, Total=36672 [2021-05-02 21:44:26,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2021-05-02 21:44:26,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 875. [2021-05-02 21:44:26,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 677 states have (on average 1.1418020679468242) internal successors, (773), 677 states have internal predecessors, (773), 100 states have call successors, (100), 99 states have call predecessors, (100), 97 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2021-05-02 21:44:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 971 transitions. [2021-05-02 21:44:26,276 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 971 transitions. Word has length 869 [2021-05-02 21:44:26,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:44:26,277 INFO L480 AbstractCegarLoop]: Abstraction has 875 states and 971 transitions. [2021-05-02 21:44:26,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 98 states, 98 states have (on average 6.836734693877551) internal successors, (670), 97 states have internal predecessors, (670), 97 states have call successors, (99), 97 states have call predecessors, (99), 95 states have return successors, (97), 95 states have call predecessors, (97), 96 states have call successors, (97) [2021-05-02 21:44:26,277 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 971 transitions. [2021-05-02 21:44:26,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2021-05-02 21:44:26,282 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:44:26,282 INFO L523 BasicCegarLoop]: trace histogram [96, 96, 95, 95, 95, 95, 95, 95, 95, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:44:26,482 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,98 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:44:26,483 INFO L428 AbstractCegarLoop]: === Iteration 99 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:44:26,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:44:26,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1890817789, now seen corresponding path program 95 times [2021-05-02 21:44:26,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:44:26,483 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434676680] [2021-05-02 21:44:26,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:44:26,489 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:44:26,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311108530] [2021-05-02 21:44:26,490 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 99 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 99 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:44:27,103 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 96 check-sat command(s) [2021-05-02 21:44:27,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:44:27,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 2312 conjuncts, 195 conjunts are in the unsatisfiable core [2021-05-02 21:44:27,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:44:27,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:27,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:28,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:29,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:30,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:31,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:32,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:33,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:33,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:33,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:33,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:33,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:33,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:33,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:33,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:33,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:33,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:33,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 40569 backedges. 190 proven. 40375 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:44:33,420 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:44:33,420 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434676680] [2021-05-02 21:44:33,420 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:44:33,420 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311108530] [2021-05-02 21:44:33,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311108530] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:44:33,420 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:44:33,420 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2021-05-02 21:44:33,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541040475] [2021-05-02 21:44:33,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 99 states [2021-05-02 21:44:33,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:44:33,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2021-05-02 21:44:33,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4755, Invalid=4947, Unknown=0, NotChecked=0, Total=9702 [2021-05-02 21:44:33,422 INFO L87 Difference]: Start difference. First operand 875 states and 971 transitions. Second operand has 99 states, 99 states have (on average 6.838383838383838) internal successors, (677), 98 states have internal predecessors, (677), 98 states have call successors, (100), 98 states have call predecessors, (100), 96 states have return successors, (98), 96 states have call predecessors, (98), 97 states have call successors, (98) [2021-05-02 21:44:39,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:44:39,754 INFO L93 Difference]: Finished difference Result 884 states and 981 transitions. [2021-05-02 21:44:39,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2021-05-02 21:44:39,754 INFO L78 Accepts]: Start accepts. Automaton has has 99 states, 99 states have (on average 6.838383838383838) internal successors, (677), 98 states have internal predecessors, (677), 98 states have call successors, (100), 98 states have call predecessors, (100), 96 states have return successors, (98), 96 states have call predecessors, (98), 97 states have call successors, (98) Word has length 878 [2021-05-02 21:44:39,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:44:39,756 INFO L225 Difference]: With dead ends: 884 [2021-05-02 21:44:39,756 INFO L226 Difference]: Without dead ends: 884 [2021-05-02 21:44:39,758 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 972 GetRequests, 780 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4560 ImplicationChecksByTransitivity, 9272.6ms TimeCoverageRelationStatistics Valid=14065, Invalid=23377, Unknown=0, NotChecked=0, Total=37442 [2021-05-02 21:44:39,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2021-05-02 21:44:39,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 884. [2021-05-02 21:44:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 884 states, 684 states have (on average 1.141812865497076) internal successors, (781), 684 states have internal predecessors, (781), 101 states have call successors, (101), 100 states have call predecessors, (101), 98 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2021-05-02 21:44:39,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 981 transitions. [2021-05-02 21:44:39,763 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 981 transitions. Word has length 878 [2021-05-02 21:44:39,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:44:39,764 INFO L480 AbstractCegarLoop]: Abstraction has 884 states and 981 transitions. [2021-05-02 21:44:39,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 99 states, 99 states have (on average 6.838383838383838) internal successors, (677), 98 states have internal predecessors, (677), 98 states have call successors, (100), 98 states have call predecessors, (100), 96 states have return successors, (98), 96 states have call predecessors, (98), 97 states have call successors, (98) [2021-05-02 21:44:39,764 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 981 transitions. [2021-05-02 21:44:39,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 888 [2021-05-02 21:44:39,770 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:44:39,771 INFO L523 BasicCegarLoop]: trace histogram [97, 97, 96, 96, 96, 96, 96, 96, 96, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:44:39,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,99 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:44:39,977 INFO L428 AbstractCegarLoop]: === Iteration 100 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:44:39,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:44:39,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1317715928, now seen corresponding path program 96 times [2021-05-02 21:44:39,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:44:39,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453271210] [2021-05-02 21:44:39,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:44:39,983 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:44:39,983 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1509445569] [2021-05-02 21:44:39,984 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 100 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 100 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:44:41,116 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 97 check-sat command(s) [2021-05-02 21:44:41,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:44:41,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 2335 conjuncts, 197 conjunts are in the unsatisfiable core [2021-05-02 21:44:41,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:44:41,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:41,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:42,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:43,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:44,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:45,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:46,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:47,779 INFO L134 CoverageAnalysis]: Checked inductivity of 41428 backedges. 192 proven. 41232 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:44:47,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:44:47,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453271210] [2021-05-02 21:44:47,779 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:44:47,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509445569] [2021-05-02 21:44:47,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509445569] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:44:47,780 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:44:47,780 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2021-05-02 21:44:47,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716198506] [2021-05-02 21:44:47,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 100 states [2021-05-02 21:44:47,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:44:47,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2021-05-02 21:44:47,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4853, Invalid=5047, Unknown=0, NotChecked=0, Total=9900 [2021-05-02 21:44:47,782 INFO L87 Difference]: Start difference. First operand 884 states and 981 transitions. Second operand has 100 states, 100 states have (on average 6.84) internal successors, (684), 99 states have internal predecessors, (684), 99 states have call successors, (101), 99 states have call predecessors, (101), 97 states have return successors, (99), 97 states have call predecessors, (99), 98 states have call successors, (99) [2021-05-02 21:44:54,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:44:54,727 INFO L93 Difference]: Finished difference Result 893 states and 991 transitions. [2021-05-02 21:44:54,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2021-05-02 21:44:54,728 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 100 states have (on average 6.84) internal successors, (684), 99 states have internal predecessors, (684), 99 states have call successors, (101), 99 states have call predecessors, (101), 97 states have return successors, (99), 97 states have call predecessors, (99), 98 states have call successors, (99) Word has length 887 [2021-05-02 21:44:54,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:44:54,729 INFO L225 Difference]: With dead ends: 893 [2021-05-02 21:44:54,729 INFO L226 Difference]: Without dead ends: 893 [2021-05-02 21:44:54,731 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 982 GetRequests, 788 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4656 ImplicationChecksByTransitivity, 10031.6ms TimeCoverageRelationStatistics Valid=14357, Invalid=23863, Unknown=0, NotChecked=0, Total=38220 [2021-05-02 21:44:54,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2021-05-02 21:44:54,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 893. [2021-05-02 21:44:54,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 893 states, 691 states have (on average 1.1418234442836468) internal successors, (789), 691 states have internal predecessors, (789), 102 states have call successors, (102), 101 states have call predecessors, (102), 99 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2021-05-02 21:44:54,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 991 transitions. [2021-05-02 21:44:54,737 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 991 transitions. Word has length 887 [2021-05-02 21:44:54,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:44:54,737 INFO L480 AbstractCegarLoop]: Abstraction has 893 states and 991 transitions. [2021-05-02 21:44:54,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 100 states, 100 states have (on average 6.84) internal successors, (684), 99 states have internal predecessors, (684), 99 states have call successors, (101), 99 states have call predecessors, (101), 97 states have return successors, (99), 97 states have call predecessors, (99), 98 states have call successors, (99) [2021-05-02 21:44:54,738 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 991 transitions. [2021-05-02 21:44:54,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2021-05-02 21:44:54,742 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:44:54,742 INFO L523 BasicCegarLoop]: trace histogram [98, 98, 97, 97, 97, 97, 97, 97, 97, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:44:54,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2021-05-02 21:44:54,945 INFO L428 AbstractCegarLoop]: === Iteration 101 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:44:54,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:44:54,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1037547357, now seen corresponding path program 97 times [2021-05-02 21:44:54,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:44:54,945 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197694437] [2021-05-02 21:44:54,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:44:54,951 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:44:54,952 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2125930439] [2021-05-02 21:44:54,952 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 101 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 101 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:44:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 21:44:55,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 199 conjunts are in the unsatisfiable core [2021-05-02 21:44:55,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:44:55,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:55,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:56,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:57,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:58,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:44:59,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:00,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:01,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:02,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:02,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 42296 backedges. 194 proven. 42098 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:45:02,180 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:45:02,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197694437] [2021-05-02 21:45:02,180 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:45:02,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125930439] [2021-05-02 21:45:02,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125930439] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:45:02,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:45:02,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2021-05-02 21:45:02,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632779664] [2021-05-02 21:45:02,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-05-02 21:45:02,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:45:02,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-05-02 21:45:02,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4952, Invalid=5148, Unknown=0, NotChecked=0, Total=10100 [2021-05-02 21:45:02,183 INFO L87 Difference]: Start difference. First operand 893 states and 991 transitions. Second operand has 101 states, 101 states have (on average 6.841584158415841) internal successors, (691), 100 states have internal predecessors, (691), 100 states have call successors, (102), 100 states have call predecessors, (102), 98 states have return successors, (100), 98 states have call predecessors, (100), 99 states have call successors, (100) [2021-05-02 21:45:09,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:45:09,763 INFO L93 Difference]: Finished difference Result 902 states and 1001 transitions. [2021-05-02 21:45:09,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2021-05-02 21:45:09,764 INFO L78 Accepts]: Start accepts. Automaton has has 101 states, 101 states have (on average 6.841584158415841) internal successors, (691), 100 states have internal predecessors, (691), 100 states have call successors, (102), 100 states have call predecessors, (102), 98 states have return successors, (100), 98 states have call predecessors, (100), 99 states have call successors, (100) Word has length 896 [2021-05-02 21:45:09,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:45:09,766 INFO L225 Difference]: With dead ends: 902 [2021-05-02 21:45:09,766 INFO L226 Difference]: Without dead ends: 902 [2021-05-02 21:45:09,767 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 992 GetRequests, 796 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4753 ImplicationChecksByTransitivity, 10677.8ms TimeCoverageRelationStatistics Valid=14652, Invalid=24354, Unknown=0, NotChecked=0, Total=39006 [2021-05-02 21:45:09,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2021-05-02 21:45:09,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 902. [2021-05-02 21:45:09,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 698 states have (on average 1.1418338108882522) internal successors, (797), 698 states have internal predecessors, (797), 103 states have call successors, (103), 102 states have call predecessors, (103), 100 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2021-05-02 21:45:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1001 transitions. [2021-05-02 21:45:09,773 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1001 transitions. Word has length 896 [2021-05-02 21:45:09,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:45:09,774 INFO L480 AbstractCegarLoop]: Abstraction has 902 states and 1001 transitions. [2021-05-02 21:45:09,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 101 states, 101 states have (on average 6.841584158415841) internal successors, (691), 100 states have internal predecessors, (691), 100 states have call successors, (102), 100 states have call predecessors, (102), 98 states have return successors, (100), 98 states have call predecessors, (100), 99 states have call successors, (100) [2021-05-02 21:45:09,774 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1001 transitions. [2021-05-02 21:45:09,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2021-05-02 21:45:09,779 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:45:09,779 INFO L523 BasicCegarLoop]: trace histogram [99, 99, 98, 98, 98, 98, 98, 98, 98, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:45:09,984 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 101 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-05-02 21:45:09,985 INFO L428 AbstractCegarLoop]: === Iteration 102 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:45:09,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:45:09,985 INFO L82 PathProgramCache]: Analyzing trace with hash -914328520, now seen corresponding path program 98 times [2021-05-02 21:45:09,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:45:09,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039091265] [2021-05-02 21:45:09,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:45:09,991 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:45:09,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [20327873] [2021-05-02 21:45:09,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 102 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 102 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:45:10,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 21:45:10,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:45:10,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 2381 conjuncts, 201 conjunts are in the unsatisfiable core [2021-05-02 21:45:10,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:45:10,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:10,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:11,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:12,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:13,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:14,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:15,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:16,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:17,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:18,020 INFO L134 CoverageAnalysis]: Checked inductivity of 43173 backedges. 196 proven. 42973 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:45:18,020 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:45:18,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039091265] [2021-05-02 21:45:18,020 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:45:18,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20327873] [2021-05-02 21:45:18,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20327873] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:45:18,020 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:45:18,021 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2021-05-02 21:45:18,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157732198] [2021-05-02 21:45:18,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 102 states [2021-05-02 21:45:18,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:45:18,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2021-05-02 21:45:18,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5052, Invalid=5250, Unknown=0, NotChecked=0, Total=10302 [2021-05-02 21:45:18,022 INFO L87 Difference]: Start difference. First operand 902 states and 1001 transitions. Second operand has 102 states, 102 states have (on average 6.8431372549019605) internal successors, (698), 101 states have internal predecessors, (698), 101 states have call successors, (103), 101 states have call predecessors, (103), 99 states have return successors, (101), 99 states have call predecessors, (101), 100 states have call successors, (101) [2021-05-02 21:45:25,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:45:25,787 INFO L93 Difference]: Finished difference Result 911 states and 1011 transitions. [2021-05-02 21:45:25,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2021-05-02 21:45:25,788 INFO L78 Accepts]: Start accepts. Automaton has has 102 states, 102 states have (on average 6.8431372549019605) internal successors, (698), 101 states have internal predecessors, (698), 101 states have call successors, (103), 101 states have call predecessors, (103), 99 states have return successors, (101), 99 states have call predecessors, (101), 100 states have call successors, (101) Word has length 905 [2021-05-02 21:45:25,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:45:25,789 INFO L225 Difference]: With dead ends: 911 [2021-05-02 21:45:25,789 INFO L226 Difference]: Without dead ends: 911 [2021-05-02 21:45:25,791 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 1002 GetRequests, 804 SyntacticMatches, 0 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4851 ImplicationChecksByTransitivity, 11392.2ms TimeCoverageRelationStatistics Valid=14950, Invalid=24850, Unknown=0, NotChecked=0, Total=39800 [2021-05-02 21:45:25,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2021-05-02 21:45:25,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 911. [2021-05-02 21:45:25,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 705 states have (on average 1.1418439716312057) internal successors, (805), 705 states have internal predecessors, (805), 104 states have call successors, (104), 103 states have call predecessors, (104), 101 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2021-05-02 21:45:25,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1011 transitions. [2021-05-02 21:45:25,797 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1011 transitions. Word has length 905 [2021-05-02 21:45:25,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:45:25,797 INFO L480 AbstractCegarLoop]: Abstraction has 911 states and 1011 transitions. [2021-05-02 21:45:25,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 102 states, 102 states have (on average 6.8431372549019605) internal successors, (698), 101 states have internal predecessors, (698), 101 states have call successors, (103), 101 states have call predecessors, (103), 99 states have return successors, (101), 99 states have call predecessors, (101), 100 states have call successors, (101) [2021-05-02 21:45:25,798 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1011 transitions. [2021-05-02 21:45:25,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 915 [2021-05-02 21:45:25,802 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:45:25,802 INFO L523 BasicCegarLoop]: trace histogram [100, 100, 99, 99, 99, 99, 99, 99, 99, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:45:26,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-05-02 21:45:26,017 INFO L428 AbstractCegarLoop]: === Iteration 103 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:45:26,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:45:26,017 INFO L82 PathProgramCache]: Analyzing trace with hash 166166595, now seen corresponding path program 99 times [2021-05-02 21:45:26,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:45:26,017 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396738032] [2021-05-02 21:45:26,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:45:26,024 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:45:26,024 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1072040247] [2021-05-02 21:45:26,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 103 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 103 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:45:26,985 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 100 check-sat command(s) [2021-05-02 21:45:26,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 21:45:27,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 2404 conjuncts, 203 conjunts are in the unsatisfiable core [2021-05-02 21:45:27,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 21:45:27,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:27,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:28,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:29,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:30,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:31,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:32,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:33,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 21:45:34,980 INFO L134 CoverageAnalysis]: Checked inductivity of 44059 backedges. 198 proven. 43857 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 21:45:34,980 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 21:45:34,980 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396738032] [2021-05-02 21:45:34,981 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 21:45:34,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072040247] [2021-05-02 21:45:34,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072040247] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 21:45:34,981 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 21:45:34,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2021-05-02 21:45:34,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884478175] [2021-05-02 21:45:34,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 103 states [2021-05-02 21:45:34,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 21:45:34,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2021-05-02 21:45:34,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5153, Invalid=5353, Unknown=0, NotChecked=0, Total=10506 [2021-05-02 21:45:34,983 INFO L87 Difference]: Start difference. First operand 911 states and 1011 transitions. Second operand has 103 states, 103 states have (on average 6.844660194174757) internal successors, (705), 102 states have internal predecessors, (705), 102 states have call successors, (104), 102 states have call predecessors, (104), 100 states have return successors, (102), 100 states have call predecessors, (102), 101 states have call successors, (102) [2021-05-02 21:45:43,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 21:45:43,013 INFO L93 Difference]: Finished difference Result 920 states and 1021 transitions. [2021-05-02 21:45:43,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2021-05-02 21:45:43,014 INFO L78 Accepts]: Start accepts. Automaton has has 103 states, 103 states have (on average 6.844660194174757) internal successors, (705), 102 states have internal predecessors, (705), 102 states have call successors, (104), 102 states have call predecessors, (104), 100 states have return successors, (102), 100 states have call predecessors, (102), 101 states have call successors, (102) Word has length 914 [2021-05-02 21:45:43,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 21:45:43,016 INFO L225 Difference]: With dead ends: 920 [2021-05-02 21:45:43,016 INFO L226 Difference]: Without dead ends: 920 [2021-05-02 21:45:43,018 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 1012 GetRequests, 812 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4950 ImplicationChecksByTransitivity, 11705.3ms TimeCoverageRelationStatistics Valid=15251, Invalid=25351, Unknown=0, NotChecked=0, Total=40602 [2021-05-02 21:45:43,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2021-05-02 21:45:43,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2021-05-02 21:45:43,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 712 states have (on average 1.1418539325842696) internal successors, (813), 712 states have internal predecessors, (813), 105 states have call successors, (105), 104 states have call predecessors, (105), 102 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2021-05-02 21:45:43,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1021 transitions. [2021-05-02 21:45:43,024 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1021 transitions. Word has length 914 [2021-05-02 21:45:43,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 21:45:43,024 INFO L480 AbstractCegarLoop]: Abstraction has 920 states and 1021 transitions. [2021-05-02 21:45:43,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 103 states, 103 states have (on average 6.844660194174757) internal successors, (705), 102 states have internal predecessors, (705), 102 states have call successors, (104), 102 states have call predecessors, (104), 100 states have return successors, (102), 100 states have call predecessors, (102), 101 states have call successors, (102) [2021-05-02 21:45:43,024 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1021 transitions. [2021-05-02 21:45:43,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2021-05-02 21:45:43,029 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 21:45:43,029 INFO L523 BasicCegarLoop]: trace histogram [101, 101, 100, 100, 100, 100, 100, 100, 100, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 21:45:43,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 103 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-05-02 21:45:43,249 INFO L428 AbstractCegarLoop]: === Iteration 104 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 21:45:43,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 21:45:43,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1037422744, now seen corresponding path program 100 times [2021-05-02 21:45:43,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 21:45:43,249 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921206173] [2021-05-02 21:45:43,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 21:45:43,262 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 21:45:43,262 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2071089489] [2021-05-02 21:45:43,262 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 104 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 104 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 21:45:43,588 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 21:45:43,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-05-02 21:45:43,589 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-02 21:45:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-02 21:45:43,790 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-02 21:45:45,503 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-02 21:45:45,503 INFO L624 BasicCegarLoop]: Counterexample might be feasible [2021-05-02 21:45:45,710 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 104 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-05-02 21:45:45,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 09:45:45 BasicIcfg [2021-05-02 21:45:45,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-02 21:45:45,865 INFO L168 Benchmark]: Toolchain (without parser) took 479280.32 ms. Allocated memory was 175.1 MB in the beginning and 679.5 MB in the end (delta: 504.4 MB). Free memory was 141.5 MB in the beginning and 539.5 MB in the end (delta: -398.0 MB). Peak memory consumption was 106.5 MB. Max. memory is 8.0 GB. [2021-05-02 21:45:45,865 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 175.1 MB. Free memory is still 157.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-02 21:45:45,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.17 ms. Allocated memory is still 175.1 MB. Free memory was 141.3 MB in the beginning and 131.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-05-02 21:45:45,865 INFO L168 Benchmark]: Boogie Preprocessor took 44.96 ms. Allocated memory is still 175.1 MB. Free memory was 131.6 MB in the beginning and 159.0 MB in the end (delta: -27.4 MB). Peak memory consumption was 3.2 MB. Max. memory is 8.0 GB. [2021-05-02 21:45:45,865 INFO L168 Benchmark]: RCFGBuilder took 310.35 ms. Allocated memory is still 175.1 MB. Free memory was 159.0 MB in the beginning and 144.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-05-02 21:45:45,865 INFO L168 Benchmark]: IcfgTransformer took 31.80 ms. Allocated memory is still 175.1 MB. Free memory was 144.4 MB in the beginning and 142.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-05-02 21:45:45,865 INFO L168 Benchmark]: TraceAbstraction took 478742.60 ms. Allocated memory was 175.1 MB in the beginning and 679.5 MB in the end (delta: 504.4 MB). Free memory was 142.6 MB in the beginning and 539.5 MB in the end (delta: -396.9 MB). Peak memory consumption was 108.5 MB. Max. memory is 8.0 GB. [2021-05-02 21:45:45,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 175.1 MB. Free memory is still 157.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 144.17 ms. Allocated memory is still 175.1 MB. Free memory was 141.3 MB in the beginning and 131.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 44.96 ms. Allocated memory is still 175.1 MB. Free memory was 131.6 MB in the beginning and 159.0 MB in the end (delta: -27.4 MB). Peak memory consumption was 3.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 310.35 ms. Allocated memory is still 175.1 MB. Free memory was 159.0 MB in the beginning and 144.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * IcfgTransformer took 31.80 ms. Allocated memory is still 175.1 MB. Free memory was 144.4 MB in the beginning and 142.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 478742.60 ms. Allocated memory was 175.1 MB in the beginning and 679.5 MB in the end (delta: 504.4 MB). Free memory was 142.6 MB in the beginning and 539.5 MB in the end (delta: -396.9 MB). Peak memory consumption was 108.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; VAL [\old(counter)=107, counter=0] [L24] int x1, x2; [L25] int y1, y2, y3; [L26] x1 = __VERIFIER_nondet_int() [L27] x2 = __VERIFIER_nondet_int() [L29] CALL assume_abort_if_not(x1 >= 0) VAL [\old(cond)=1, \old(counter)=0, counter=0] [L13] COND FALSE !(!cond) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=0] [L29] RET assume_abort_if_not(x1 >= 0) VAL [\old(counter)=0, counter=0, x1=101, x2=1] [L30] CALL assume_abort_if_not(x2 != 0) VAL [\old(cond)=1, \old(counter)=0, counter=0] [L13] COND FALSE !(!cond) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=0] [L30] RET assume_abort_if_not(x2 != 0) VAL [\old(counter)=0, counter=0, x1=101, x2=1] [L32] y1 = 0 [L33] y2 = 0 [L34] y3 = x1 VAL [\old(counter)=0, counter=0, x1=101, x2=1, y1=0, y2=0, y3=101] [L36] EXPR counter++ VAL [\old(counter)=0, counter=1, counter++=0, x1=101, x2=1, y1=0, y2=0, y3=101] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=1] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=1, x1=101, x2=1, y1=0, y2=0, y3=101] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=1, x1=101, x2=1, y1=0, y2=0, y3=101] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=1, x1=101, x2=1, y1=1, y2=0, y3=100] [L36] EXPR counter++ VAL [\old(counter)=0, counter=2, counter++=1, x1=101, x2=1, y1=1, y2=0, y3=100] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=2] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=2] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=2, x1=101, x2=1, y1=1, y2=0, y3=100] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=2, x1=101, x2=1, y1=1, y2=0, y3=100] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=2, x1=101, x2=1, y1=2, y2=0, y3=99] [L36] EXPR counter++ VAL [\old(counter)=0, counter=3, counter++=2, x1=101, x2=1, y1=2, y2=0, y3=99] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=3] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=3] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=3, x1=101, x2=1, y1=2, y2=0, y3=99] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=3, x1=101, x2=1, y1=2, y2=0, y3=99] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=3, x1=101, x2=1, y1=3, y2=0, y3=98] [L36] EXPR counter++ VAL [\old(counter)=0, counter=4, counter++=3, x1=101, x2=1, y1=3, y2=0, y3=98] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=4] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=4] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=4, x1=101, x2=1, y1=3, y2=0, y3=98] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=4, x1=101, x2=1, y1=3, y2=0, y3=98] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=4, x1=101, x2=1, y1=4, y2=0, y3=97] [L36] EXPR counter++ VAL [\old(counter)=0, counter=5, counter++=4, x1=101, x2=1, y1=4, y2=0, y3=97] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=5] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=5] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=5, x1=101, x2=1, y1=4, y2=0, y3=97] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=5, x1=101, x2=1, y1=4, y2=0, y3=97] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=5, x1=101, x2=1, y1=5, y2=0, y3=96] [L36] EXPR counter++ VAL [\old(counter)=0, counter=6, counter++=5, x1=101, x2=1, y1=5, y2=0, y3=96] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=6] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=6] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=6, x1=101, x2=1, y1=5, y2=0, y3=96] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=6, x1=101, x2=1, y1=5, y2=0, y3=96] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=6, x1=101, x2=1, y1=6, y2=0, y3=95] [L36] EXPR counter++ VAL [\old(counter)=0, counter=7, counter++=6, x1=101, x2=1, y1=6, y2=0, y3=95] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=7] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=7] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=7, x1=101, x2=1, y1=6, y2=0, y3=95] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=7, x1=101, x2=1, y1=6, y2=0, y3=95] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=7, x1=101, x2=1, y1=7, y2=0, y3=94] [L36] EXPR counter++ VAL [\old(counter)=0, counter=8, counter++=7, x1=101, x2=1, y1=7, y2=0, y3=94] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=8] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=8] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=8, x1=101, x2=1, y1=7, y2=0, y3=94] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=8, x1=101, x2=1, y1=7, y2=0, y3=94] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=8, x1=101, x2=1, y1=8, y2=0, y3=93] [L36] EXPR counter++ VAL [\old(counter)=0, counter=9, counter++=8, x1=101, x2=1, y1=8, y2=0, y3=93] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=9] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=9] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=9, x1=101, x2=1, y1=8, y2=0, y3=93] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=9, x1=101, x2=1, y1=8, y2=0, y3=93] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=9, x1=101, x2=1, y1=9, y2=0, y3=92] [L36] EXPR counter++ VAL [\old(counter)=0, counter=10, counter++=9, x1=101, x2=1, y1=9, y2=0, y3=92] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=10] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=10] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=10, x1=101, x2=1, y1=9, y2=0, y3=92] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=10, x1=101, x2=1, y1=9, y2=0, y3=92] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=10, x1=101, x2=1, y1=10, y2=0, y3=91] [L36] EXPR counter++ VAL [\old(counter)=0, counter=11, counter++=10, x1=101, x2=1, y1=10, y2=0, y3=91] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=11] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=11] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=11, x1=101, x2=1, y1=10, y2=0, y3=91] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=11, x1=101, x2=1, y1=10, y2=0, y3=91] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=11, x1=101, x2=1, y1=11, y2=0, y3=90] [L36] EXPR counter++ VAL [\old(counter)=0, counter=12, counter++=11, x1=101, x2=1, y1=11, y2=0, y3=90] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=12] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=12] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=12, x1=101, x2=1, y1=11, y2=0, y3=90] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=12, x1=101, x2=1, y1=11, y2=0, y3=90] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=12, x1=101, x2=1, y1=12, y2=0, y3=89] [L36] EXPR counter++ VAL [\old(counter)=0, counter=13, counter++=12, x1=101, x2=1, y1=12, y2=0, y3=89] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=13] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=13] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=13, x1=101, x2=1, y1=12, y2=0, y3=89] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=13, x1=101, x2=1, y1=12, y2=0, y3=89] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=13, x1=101, x2=1, y1=13, y2=0, y3=88] [L36] EXPR counter++ VAL [\old(counter)=0, counter=14, counter++=13, x1=101, x2=1, y1=13, y2=0, y3=88] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=14] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=14] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=14, x1=101, x2=1, y1=13, y2=0, y3=88] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=14, x1=101, x2=1, y1=13, y2=0, y3=88] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=14, x1=101, x2=1, y1=14, y2=0, y3=87] [L36] EXPR counter++ VAL [\old(counter)=0, counter=15, counter++=14, x1=101, x2=1, y1=14, y2=0, y3=87] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=15] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=15] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=15, x1=101, x2=1, y1=14, y2=0, y3=87] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=15, x1=101, x2=1, y1=14, y2=0, y3=87] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=15, x1=101, x2=1, y1=15, y2=0, y3=86] [L36] EXPR counter++ VAL [\old(counter)=0, counter=16, counter++=15, x1=101, x2=1, y1=15, y2=0, y3=86] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=16] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=16] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=16, x1=101, x2=1, y1=15, y2=0, y3=86] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=16, x1=101, x2=1, y1=15, y2=0, y3=86] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=16, x1=101, x2=1, y1=16, y2=0, y3=85] [L36] EXPR counter++ VAL [\old(counter)=0, counter=17, counter++=16, x1=101, x2=1, y1=16, y2=0, y3=85] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=17] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=17] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=17, x1=101, x2=1, y1=16, y2=0, y3=85] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=17, x1=101, x2=1, y1=16, y2=0, y3=85] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=17, x1=101, x2=1, y1=17, y2=0, y3=84] [L36] EXPR counter++ VAL [\old(counter)=0, counter=18, counter++=17, x1=101, x2=1, y1=17, y2=0, y3=84] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=18] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=18] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=18, x1=101, x2=1, y1=17, y2=0, y3=84] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=18, x1=101, x2=1, y1=17, y2=0, y3=84] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=18, x1=101, x2=1, y1=18, y2=0, y3=83] [L36] EXPR counter++ VAL [\old(counter)=0, counter=19, counter++=18, x1=101, x2=1, y1=18, y2=0, y3=83] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=19] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=19] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=19, x1=101, x2=1, y1=18, y2=0, y3=83] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=19, x1=101, x2=1, y1=18, y2=0, y3=83] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=19, x1=101, x2=1, y1=19, y2=0, y3=82] [L36] EXPR counter++ VAL [\old(counter)=0, counter=20, counter++=19, x1=101, x2=1, y1=19, y2=0, y3=82] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=20] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=20] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=20, x1=101, x2=1, y1=19, y2=0, y3=82] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=20, x1=101, x2=1, y1=19, y2=0, y3=82] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=20, x1=101, x2=1, y1=20, y2=0, y3=81] [L36] EXPR counter++ VAL [\old(counter)=0, counter=21, counter++=20, x1=101, x2=1, y1=20, y2=0, y3=81] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=21] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=21] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=21, x1=101, x2=1, y1=20, y2=0, y3=81] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=21, x1=101, x2=1, y1=20, y2=0, y3=81] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=21, x1=101, x2=1, y1=21, y2=0, y3=80] [L36] EXPR counter++ VAL [\old(counter)=0, counter=22, counter++=21, x1=101, x2=1, y1=21, y2=0, y3=80] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=22] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=22] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=22, x1=101, x2=1, y1=21, y2=0, y3=80] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=22, x1=101, x2=1, y1=21, y2=0, y3=80] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=22, x1=101, x2=1, y1=22, y2=0, y3=79] [L36] EXPR counter++ VAL [\old(counter)=0, counter=23, counter++=22, x1=101, x2=1, y1=22, y2=0, y3=79] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=23] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=23] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=23, x1=101, x2=1, y1=22, y2=0, y3=79] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=23, x1=101, x2=1, y1=22, y2=0, y3=79] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=23, x1=101, x2=1, y1=23, y2=0, y3=78] [L36] EXPR counter++ VAL [\old(counter)=0, counter=24, counter++=23, x1=101, x2=1, y1=23, y2=0, y3=78] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=24] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=24] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=24, x1=101, x2=1, y1=23, y2=0, y3=78] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=24, x1=101, x2=1, y1=23, y2=0, y3=78] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=24, x1=101, x2=1, y1=24, y2=0, y3=77] [L36] EXPR counter++ VAL [\old(counter)=0, counter=25, counter++=24, x1=101, x2=1, y1=24, y2=0, y3=77] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=25] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=25] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=25, x1=101, x2=1, y1=24, y2=0, y3=77] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=25, x1=101, x2=1, y1=24, y2=0, y3=77] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=25, x1=101, x2=1, y1=25, y2=0, y3=76] [L36] EXPR counter++ VAL [\old(counter)=0, counter=26, counter++=25, x1=101, x2=1, y1=25, y2=0, y3=76] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=26] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=26] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=26, x1=101, x2=1, y1=25, y2=0, y3=76] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=26, x1=101, x2=1, y1=25, y2=0, y3=76] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=26, x1=101, x2=1, y1=26, y2=0, y3=75] [L36] EXPR counter++ VAL [\old(counter)=0, counter=27, counter++=26, x1=101, x2=1, y1=26, y2=0, y3=75] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=27] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=27] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=27, x1=101, x2=1, y1=26, y2=0, y3=75] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=27, x1=101, x2=1, y1=26, y2=0, y3=75] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=27, x1=101, x2=1, y1=27, y2=0, y3=74] [L36] EXPR counter++ VAL [\old(counter)=0, counter=28, counter++=27, x1=101, x2=1, y1=27, y2=0, y3=74] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=28] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=28] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=28, x1=101, x2=1, y1=27, y2=0, y3=74] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=28, x1=101, x2=1, y1=27, y2=0, y3=74] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=28, x1=101, x2=1, y1=28, y2=0, y3=73] [L36] EXPR counter++ VAL [\old(counter)=0, counter=29, counter++=28, x1=101, x2=1, y1=28, y2=0, y3=73] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=29] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=29] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=29, x1=101, x2=1, y1=28, y2=0, y3=73] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=29, x1=101, x2=1, y1=28, y2=0, y3=73] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=29, x1=101, x2=1, y1=29, y2=0, y3=72] [L36] EXPR counter++ VAL [\old(counter)=0, counter=30, counter++=29, x1=101, x2=1, y1=29, y2=0, y3=72] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=30] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=30] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=30, x1=101, x2=1, y1=29, y2=0, y3=72] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=30, x1=101, x2=1, y1=29, y2=0, y3=72] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=30, x1=101, x2=1, y1=30, y2=0, y3=71] [L36] EXPR counter++ VAL [\old(counter)=0, counter=31, counter++=30, x1=101, x2=1, y1=30, y2=0, y3=71] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=31] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=31] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=31, x1=101, x2=1, y1=30, y2=0, y3=71] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=31, x1=101, x2=1, y1=30, y2=0, y3=71] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=31, x1=101, x2=1, y1=31, y2=0, y3=70] [L36] EXPR counter++ VAL [\old(counter)=0, counter=32, counter++=31, x1=101, x2=1, y1=31, y2=0, y3=70] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=32] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=32] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=32, x1=101, x2=1, y1=31, y2=0, y3=70] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=32, x1=101, x2=1, y1=31, y2=0, y3=70] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=32, x1=101, x2=1, y1=32, y2=0, y3=69] [L36] EXPR counter++ VAL [\old(counter)=0, counter=33, counter++=32, x1=101, x2=1, y1=32, y2=0, y3=69] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=33] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=33] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=33, x1=101, x2=1, y1=32, y2=0, y3=69] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=33, x1=101, x2=1, y1=32, y2=0, y3=69] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=33, x1=101, x2=1, y1=33, y2=0, y3=68] [L36] EXPR counter++ VAL [\old(counter)=0, counter=34, counter++=33, x1=101, x2=1, y1=33, y2=0, y3=68] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=34] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=34] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=34, x1=101, x2=1, y1=33, y2=0, y3=68] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=34, x1=101, x2=1, y1=33, y2=0, y3=68] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=34, x1=101, x2=1, y1=34, y2=0, y3=67] [L36] EXPR counter++ VAL [\old(counter)=0, counter=35, counter++=34, x1=101, x2=1, y1=34, y2=0, y3=67] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=35] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=35] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=35, x1=101, x2=1, y1=34, y2=0, y3=67] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=35, x1=101, x2=1, y1=34, y2=0, y3=67] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=35, x1=101, x2=1, y1=35, y2=0, y3=66] [L36] EXPR counter++ VAL [\old(counter)=0, counter=36, counter++=35, x1=101, x2=1, y1=35, y2=0, y3=66] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=36] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=36] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=36, x1=101, x2=1, y1=35, y2=0, y3=66] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=36, x1=101, x2=1, y1=35, y2=0, y3=66] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=36, x1=101, x2=1, y1=36, y2=0, y3=65] [L36] EXPR counter++ VAL [\old(counter)=0, counter=37, counter++=36, x1=101, x2=1, y1=36, y2=0, y3=65] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=37] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=37] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=37, x1=101, x2=1, y1=36, y2=0, y3=65] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=37, x1=101, x2=1, y1=36, y2=0, y3=65] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=37, x1=101, x2=1, y1=37, y2=0, y3=64] [L36] EXPR counter++ VAL [\old(counter)=0, counter=38, counter++=37, x1=101, x2=1, y1=37, y2=0, y3=64] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=38] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=38] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=38, x1=101, x2=1, y1=37, y2=0, y3=64] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=38, x1=101, x2=1, y1=37, y2=0, y3=64] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=38, x1=101, x2=1, y1=38, y2=0, y3=63] [L36] EXPR counter++ VAL [\old(counter)=0, counter=39, counter++=38, x1=101, x2=1, y1=38, y2=0, y3=63] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=39] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=39] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=39, x1=101, x2=1, y1=38, y2=0, y3=63] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=39, x1=101, x2=1, y1=38, y2=0, y3=63] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=39, x1=101, x2=1, y1=39, y2=0, y3=62] [L36] EXPR counter++ VAL [\old(counter)=0, counter=40, counter++=39, x1=101, x2=1, y1=39, y2=0, y3=62] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=40] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=40] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=40, x1=101, x2=1, y1=39, y2=0, y3=62] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=40, x1=101, x2=1, y1=39, y2=0, y3=62] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=40, x1=101, x2=1, y1=40, y2=0, y3=61] [L36] EXPR counter++ VAL [\old(counter)=0, counter=41, counter++=40, x1=101, x2=1, y1=40, y2=0, y3=61] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=41] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=41] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=41, x1=101, x2=1, y1=40, y2=0, y3=61] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=41, x1=101, x2=1, y1=40, y2=0, y3=61] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=41, x1=101, x2=1, y1=41, y2=0, y3=60] [L36] EXPR counter++ VAL [\old(counter)=0, counter=42, counter++=41, x1=101, x2=1, y1=41, y2=0, y3=60] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=42] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=42] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=42, x1=101, x2=1, y1=41, y2=0, y3=60] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=42, x1=101, x2=1, y1=41, y2=0, y3=60] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=42, x1=101, x2=1, y1=42, y2=0, y3=59] [L36] EXPR counter++ VAL [\old(counter)=0, counter=43, counter++=42, x1=101, x2=1, y1=42, y2=0, y3=59] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=43] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=43] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=43, x1=101, x2=1, y1=42, y2=0, y3=59] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=43, x1=101, x2=1, y1=42, y2=0, y3=59] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=43, x1=101, x2=1, y1=43, y2=0, y3=58] [L36] EXPR counter++ VAL [\old(counter)=0, counter=44, counter++=43, x1=101, x2=1, y1=43, y2=0, y3=58] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=44] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=44] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=44, x1=101, x2=1, y1=43, y2=0, y3=58] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=44, x1=101, x2=1, y1=43, y2=0, y3=58] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=44, x1=101, x2=1, y1=44, y2=0, y3=57] [L36] EXPR counter++ VAL [\old(counter)=0, counter=45, counter++=44, x1=101, x2=1, y1=44, y2=0, y3=57] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=45] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=45] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=45, x1=101, x2=1, y1=44, y2=0, y3=57] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=45, x1=101, x2=1, y1=44, y2=0, y3=57] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=45, x1=101, x2=1, y1=45, y2=0, y3=56] [L36] EXPR counter++ VAL [\old(counter)=0, counter=46, counter++=45, x1=101, x2=1, y1=45, y2=0, y3=56] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=46] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=46] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=46, x1=101, x2=1, y1=45, y2=0, y3=56] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=46, x1=101, x2=1, y1=45, y2=0, y3=56] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=46, x1=101, x2=1, y1=46, y2=0, y3=55] [L36] EXPR counter++ VAL [\old(counter)=0, counter=47, counter++=46, x1=101, x2=1, y1=46, y2=0, y3=55] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=47] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=47] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=47, x1=101, x2=1, y1=46, y2=0, y3=55] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=47, x1=101, x2=1, y1=46, y2=0, y3=55] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=47, x1=101, x2=1, y1=47, y2=0, y3=54] [L36] EXPR counter++ VAL [\old(counter)=0, counter=48, counter++=47, x1=101, x2=1, y1=47, y2=0, y3=54] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=48] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=48] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=48, x1=101, x2=1, y1=47, y2=0, y3=54] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=48, x1=101, x2=1, y1=47, y2=0, y3=54] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=48, x1=101, x2=1, y1=48, y2=0, y3=53] [L36] EXPR counter++ VAL [\old(counter)=0, counter=49, counter++=48, x1=101, x2=1, y1=48, y2=0, y3=53] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=49] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=49] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=49, x1=101, x2=1, y1=48, y2=0, y3=53] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=49, x1=101, x2=1, y1=48, y2=0, y3=53] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=49, x1=101, x2=1, y1=49, y2=0, y3=52] [L36] EXPR counter++ VAL [\old(counter)=0, counter=50, counter++=49, x1=101, x2=1, y1=49, y2=0, y3=52] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=50] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=50] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=50, x1=101, x2=1, y1=49, y2=0, y3=52] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=50, x1=101, x2=1, y1=49, y2=0, y3=52] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=50, x1=101, x2=1, y1=50, y2=0, y3=51] [L36] EXPR counter++ VAL [\old(counter)=0, counter=51, counter++=50, x1=101, x2=1, y1=50, y2=0, y3=51] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=51] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=51] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=51, x1=101, x2=1, y1=50, y2=0, y3=51] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=51, x1=101, x2=1, y1=50, y2=0, y3=51] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=51, x1=101, x2=1, y1=51, y2=0, y3=50] [L36] EXPR counter++ VAL [\old(counter)=0, counter=52, counter++=51, x1=101, x2=1, y1=51, y2=0, y3=50] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=52] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=52] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=52, x1=101, x2=1, y1=51, y2=0, y3=50] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=52, x1=101, x2=1, y1=51, y2=0, y3=50] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=52, x1=101, x2=1, y1=52, y2=0, y3=49] [L36] EXPR counter++ VAL [\old(counter)=0, counter=53, counter++=52, x1=101, x2=1, y1=52, y2=0, y3=49] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=53] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=53] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=53, x1=101, x2=1, y1=52, y2=0, y3=49] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=53, x1=101, x2=1, y1=52, y2=0, y3=49] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=53, x1=101, x2=1, y1=53, y2=0, y3=48] [L36] EXPR counter++ VAL [\old(counter)=0, counter=54, counter++=53, x1=101, x2=1, y1=53, y2=0, y3=48] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=54] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=54] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=54, x1=101, x2=1, y1=53, y2=0, y3=48] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=54, x1=101, x2=1, y1=53, y2=0, y3=48] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=54, x1=101, x2=1, y1=54, y2=0, y3=47] [L36] EXPR counter++ VAL [\old(counter)=0, counter=55, counter++=54, x1=101, x2=1, y1=54, y2=0, y3=47] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=55] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=55] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=55, x1=101, x2=1, y1=54, y2=0, y3=47] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=55, x1=101, x2=1, y1=54, y2=0, y3=47] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=55, x1=101, x2=1, y1=55, y2=0, y3=46] [L36] EXPR counter++ VAL [\old(counter)=0, counter=56, counter++=55, x1=101, x2=1, y1=55, y2=0, y3=46] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=56] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=56] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=56, x1=101, x2=1, y1=55, y2=0, y3=46] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=56, x1=101, x2=1, y1=55, y2=0, y3=46] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=56, x1=101, x2=1, y1=56, y2=0, y3=45] [L36] EXPR counter++ VAL [\old(counter)=0, counter=57, counter++=56, x1=101, x2=1, y1=56, y2=0, y3=45] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=57] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=57] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=57, x1=101, x2=1, y1=56, y2=0, y3=45] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=57, x1=101, x2=1, y1=56, y2=0, y3=45] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=57, x1=101, x2=1, y1=57, y2=0, y3=44] [L36] EXPR counter++ VAL [\old(counter)=0, counter=58, counter++=57, x1=101, x2=1, y1=57, y2=0, y3=44] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=58] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=58] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=58, x1=101, x2=1, y1=57, y2=0, y3=44] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=58, x1=101, x2=1, y1=57, y2=0, y3=44] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=58, x1=101, x2=1, y1=58, y2=0, y3=43] [L36] EXPR counter++ VAL [\old(counter)=0, counter=59, counter++=58, x1=101, x2=1, y1=58, y2=0, y3=43] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=59] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=59] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=59, x1=101, x2=1, y1=58, y2=0, y3=43] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=59, x1=101, x2=1, y1=58, y2=0, y3=43] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=59, x1=101, x2=1, y1=59, y2=0, y3=42] [L36] EXPR counter++ VAL [\old(counter)=0, counter=60, counter++=59, x1=101, x2=1, y1=59, y2=0, y3=42] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=60] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=60] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=60, x1=101, x2=1, y1=59, y2=0, y3=42] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=60, x1=101, x2=1, y1=59, y2=0, y3=42] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=60, x1=101, x2=1, y1=60, y2=0, y3=41] [L36] EXPR counter++ VAL [\old(counter)=0, counter=61, counter++=60, x1=101, x2=1, y1=60, y2=0, y3=41] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=61] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=61] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=61, x1=101, x2=1, y1=60, y2=0, y3=41] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=61, x1=101, x2=1, y1=60, y2=0, y3=41] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=61, x1=101, x2=1, y1=61, y2=0, y3=40] [L36] EXPR counter++ VAL [\old(counter)=0, counter=62, counter++=61, x1=101, x2=1, y1=61, y2=0, y3=40] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=62] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=62] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=62, x1=101, x2=1, y1=61, y2=0, y3=40] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=62, x1=101, x2=1, y1=61, y2=0, y3=40] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=62, x1=101, x2=1, y1=62, y2=0, y3=39] [L36] EXPR counter++ VAL [\old(counter)=0, counter=63, counter++=62, x1=101, x2=1, y1=62, y2=0, y3=39] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=63] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=63] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=63, x1=101, x2=1, y1=62, y2=0, y3=39] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=63, x1=101, x2=1, y1=62, y2=0, y3=39] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=63, x1=101, x2=1, y1=63, y2=0, y3=38] [L36] EXPR counter++ VAL [\old(counter)=0, counter=64, counter++=63, x1=101, x2=1, y1=63, y2=0, y3=38] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=64] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=64] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=64, x1=101, x2=1, y1=63, y2=0, y3=38] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=64, x1=101, x2=1, y1=63, y2=0, y3=38] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=64, x1=101, x2=1, y1=64, y2=0, y3=37] [L36] EXPR counter++ VAL [\old(counter)=0, counter=65, counter++=64, x1=101, x2=1, y1=64, y2=0, y3=37] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=65] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=65] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=65, x1=101, x2=1, y1=64, y2=0, y3=37] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=65, x1=101, x2=1, y1=64, y2=0, y3=37] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=65, x1=101, x2=1, y1=65, y2=0, y3=36] [L36] EXPR counter++ VAL [\old(counter)=0, counter=66, counter++=65, x1=101, x2=1, y1=65, y2=0, y3=36] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=66] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=66] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=66, x1=101, x2=1, y1=65, y2=0, y3=36] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=66, x1=101, x2=1, y1=65, y2=0, y3=36] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=66, x1=101, x2=1, y1=66, y2=0, y3=35] [L36] EXPR counter++ VAL [\old(counter)=0, counter=67, counter++=66, x1=101, x2=1, y1=66, y2=0, y3=35] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=67] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=67] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=67, x1=101, x2=1, y1=66, y2=0, y3=35] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=67, x1=101, x2=1, y1=66, y2=0, y3=35] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=67, x1=101, x2=1, y1=67, y2=0, y3=34] [L36] EXPR counter++ VAL [\old(counter)=0, counter=68, counter++=67, x1=101, x2=1, y1=67, y2=0, y3=34] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=68] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=68] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=68, x1=101, x2=1, y1=67, y2=0, y3=34] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=68, x1=101, x2=1, y1=67, y2=0, y3=34] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=68, x1=101, x2=1, y1=68, y2=0, y3=33] [L36] EXPR counter++ VAL [\old(counter)=0, counter=69, counter++=68, x1=101, x2=1, y1=68, y2=0, y3=33] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=69] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=69] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=69, x1=101, x2=1, y1=68, y2=0, y3=33] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=69, x1=101, x2=1, y1=68, y2=0, y3=33] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=69, x1=101, x2=1, y1=69, y2=0, y3=32] [L36] EXPR counter++ VAL [\old(counter)=0, counter=70, counter++=69, x1=101, x2=1, y1=69, y2=0, y3=32] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=70] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=70] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=70, x1=101, x2=1, y1=69, y2=0, y3=32] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=70, x1=101, x2=1, y1=69, y2=0, y3=32] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=70, x1=101, x2=1, y1=70, y2=0, y3=31] [L36] EXPR counter++ VAL [\old(counter)=0, counter=71, counter++=70, x1=101, x2=1, y1=70, y2=0, y3=31] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=71] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=71] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=71, x1=101, x2=1, y1=70, y2=0, y3=31] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=71, x1=101, x2=1, y1=70, y2=0, y3=31] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=71, x1=101, x2=1, y1=71, y2=0, y3=30] [L36] EXPR counter++ VAL [\old(counter)=0, counter=72, counter++=71, x1=101, x2=1, y1=71, y2=0, y3=30] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=72] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=72] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=72, x1=101, x2=1, y1=71, y2=0, y3=30] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=72, x1=101, x2=1, y1=71, y2=0, y3=30] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=72, x1=101, x2=1, y1=72, y2=0, y3=29] [L36] EXPR counter++ VAL [\old(counter)=0, counter=73, counter++=72, x1=101, x2=1, y1=72, y2=0, y3=29] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=73] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=73] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=73, x1=101, x2=1, y1=72, y2=0, y3=29] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=73, x1=101, x2=1, y1=72, y2=0, y3=29] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=73, x1=101, x2=1, y1=73, y2=0, y3=28] [L36] EXPR counter++ VAL [\old(counter)=0, counter=74, counter++=73, x1=101, x2=1, y1=73, y2=0, y3=28] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=74] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=74] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=74, x1=101, x2=1, y1=73, y2=0, y3=28] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=74, x1=101, x2=1, y1=73, y2=0, y3=28] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=74, x1=101, x2=1, y1=74, y2=0, y3=27] [L36] EXPR counter++ VAL [\old(counter)=0, counter=75, counter++=74, x1=101, x2=1, y1=74, y2=0, y3=27] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=75] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=75] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=75, x1=101, x2=1, y1=74, y2=0, y3=27] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=75, x1=101, x2=1, y1=74, y2=0, y3=27] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=75, x1=101, x2=1, y1=75, y2=0, y3=26] [L36] EXPR counter++ VAL [\old(counter)=0, counter=76, counter++=75, x1=101, x2=1, y1=75, y2=0, y3=26] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=76] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=76] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=76, x1=101, x2=1, y1=75, y2=0, y3=26] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=76, x1=101, x2=1, y1=75, y2=0, y3=26] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=76, x1=101, x2=1, y1=76, y2=0, y3=25] [L36] EXPR counter++ VAL [\old(counter)=0, counter=77, counter++=76, x1=101, x2=1, y1=76, y2=0, y3=25] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=77] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=77] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=77, x1=101, x2=1, y1=76, y2=0, y3=25] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=77, x1=101, x2=1, y1=76, y2=0, y3=25] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=77, x1=101, x2=1, y1=77, y2=0, y3=24] [L36] EXPR counter++ VAL [\old(counter)=0, counter=78, counter++=77, x1=101, x2=1, y1=77, y2=0, y3=24] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=78] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=78] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=78, x1=101, x2=1, y1=77, y2=0, y3=24] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=78, x1=101, x2=1, y1=77, y2=0, y3=24] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=78, x1=101, x2=1, y1=78, y2=0, y3=23] [L36] EXPR counter++ VAL [\old(counter)=0, counter=79, counter++=78, x1=101, x2=1, y1=78, y2=0, y3=23] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=79] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=79] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=79, x1=101, x2=1, y1=78, y2=0, y3=23] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=79, x1=101, x2=1, y1=78, y2=0, y3=23] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=79, x1=101, x2=1, y1=79, y2=0, y3=22] [L36] EXPR counter++ VAL [\old(counter)=0, counter=80, counter++=79, x1=101, x2=1, y1=79, y2=0, y3=22] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=80] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=80] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=80, x1=101, x2=1, y1=79, y2=0, y3=22] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=80, x1=101, x2=1, y1=79, y2=0, y3=22] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=80, x1=101, x2=1, y1=80, y2=0, y3=21] [L36] EXPR counter++ VAL [\old(counter)=0, counter=81, counter++=80, x1=101, x2=1, y1=80, y2=0, y3=21] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=81] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=81] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=81, x1=101, x2=1, y1=80, y2=0, y3=21] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=81, x1=101, x2=1, y1=80, y2=0, y3=21] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=81, x1=101, x2=1, y1=81, y2=0, y3=20] [L36] EXPR counter++ VAL [\old(counter)=0, counter=82, counter++=81, x1=101, x2=1, y1=81, y2=0, y3=20] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=82] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=82] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=82, x1=101, x2=1, y1=81, y2=0, y3=20] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=82, x1=101, x2=1, y1=81, y2=0, y3=20] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=82, x1=101, x2=1, y1=82, y2=0, y3=19] [L36] EXPR counter++ VAL [\old(counter)=0, counter=83, counter++=82, x1=101, x2=1, y1=82, y2=0, y3=19] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=83] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=83] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=83, x1=101, x2=1, y1=82, y2=0, y3=19] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=83, x1=101, x2=1, y1=82, y2=0, y3=19] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=83, x1=101, x2=1, y1=83, y2=0, y3=18] [L36] EXPR counter++ VAL [\old(counter)=0, counter=84, counter++=83, x1=101, x2=1, y1=83, y2=0, y3=18] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=84] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=84] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=84, x1=101, x2=1, y1=83, y2=0, y3=18] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=84, x1=101, x2=1, y1=83, y2=0, y3=18] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=84, x1=101, x2=1, y1=84, y2=0, y3=17] [L36] EXPR counter++ VAL [\old(counter)=0, counter=85, counter++=84, x1=101, x2=1, y1=84, y2=0, y3=17] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=85] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=85] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=85, x1=101, x2=1, y1=84, y2=0, y3=17] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=85, x1=101, x2=1, y1=84, y2=0, y3=17] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=85, x1=101, x2=1, y1=85, y2=0, y3=16] [L36] EXPR counter++ VAL [\old(counter)=0, counter=86, counter++=85, x1=101, x2=1, y1=85, y2=0, y3=16] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=86] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=86] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=86, x1=101, x2=1, y1=85, y2=0, y3=16] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=86, x1=101, x2=1, y1=85, y2=0, y3=16] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=86, x1=101, x2=1, y1=86, y2=0, y3=15] [L36] EXPR counter++ VAL [\old(counter)=0, counter=87, counter++=86, x1=101, x2=1, y1=86, y2=0, y3=15] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=87] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=87] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=87, x1=101, x2=1, y1=86, y2=0, y3=15] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=87, x1=101, x2=1, y1=86, y2=0, y3=15] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=87, x1=101, x2=1, y1=87, y2=0, y3=14] [L36] EXPR counter++ VAL [\old(counter)=0, counter=88, counter++=87, x1=101, x2=1, y1=87, y2=0, y3=14] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=88] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=88] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=88, x1=101, x2=1, y1=87, y2=0, y3=14] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=88, x1=101, x2=1, y1=87, y2=0, y3=14] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=88, x1=101, x2=1, y1=88, y2=0, y3=13] [L36] EXPR counter++ VAL [\old(counter)=0, counter=89, counter++=88, x1=101, x2=1, y1=88, y2=0, y3=13] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=89] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=89] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=89, x1=101, x2=1, y1=88, y2=0, y3=13] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=89, x1=101, x2=1, y1=88, y2=0, y3=13] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=89, x1=101, x2=1, y1=89, y2=0, y3=12] [L36] EXPR counter++ VAL [\old(counter)=0, counter=90, counter++=89, x1=101, x2=1, y1=89, y2=0, y3=12] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=90] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=90] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=90, x1=101, x2=1, y1=89, y2=0, y3=12] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=90, x1=101, x2=1, y1=89, y2=0, y3=12] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=90, x1=101, x2=1, y1=90, y2=0, y3=11] [L36] EXPR counter++ VAL [\old(counter)=0, counter=91, counter++=90, x1=101, x2=1, y1=90, y2=0, y3=11] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=91] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=91] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=91, x1=101, x2=1, y1=90, y2=0, y3=11] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=91, x1=101, x2=1, y1=90, y2=0, y3=11] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=91, x1=101, x2=1, y1=91, y2=0, y3=10] [L36] EXPR counter++ VAL [\old(counter)=0, counter=92, counter++=91, x1=101, x2=1, y1=91, y2=0, y3=10] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=92] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=92] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=92, x1=101, x2=1, y1=91, y2=0, y3=10] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=92, x1=101, x2=1, y1=91, y2=0, y3=10] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=92, x1=101, x2=1, y1=92, y2=0, y3=9] [L36] EXPR counter++ VAL [\old(counter)=0, counter=93, counter++=92, x1=101, x2=1, y1=92, y2=0, y3=9] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=93] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=93] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=93, x1=101, x2=1, y1=92, y2=0, y3=9] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=93, x1=101, x2=1, y1=92, y2=0, y3=9] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=93, x1=101, x2=1, y1=93, y2=0, y3=8] [L36] EXPR counter++ VAL [\old(counter)=0, counter=94, counter++=93, x1=101, x2=1, y1=93, y2=0, y3=8] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=94] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=94] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=94, x1=101, x2=1, y1=93, y2=0, y3=8] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=94, x1=101, x2=1, y1=93, y2=0, y3=8] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=94, x1=101, x2=1, y1=94, y2=0, y3=7] [L36] EXPR counter++ VAL [\old(counter)=0, counter=95, counter++=94, x1=101, x2=1, y1=94, y2=0, y3=7] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=95] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=95] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=95, x1=101, x2=1, y1=94, y2=0, y3=7] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=95, x1=101, x2=1, y1=94, y2=0, y3=7] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=95, x1=101, x2=1, y1=95, y2=0, y3=6] [L36] EXPR counter++ VAL [\old(counter)=0, counter=96, counter++=95, x1=101, x2=1, y1=95, y2=0, y3=6] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=96] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=96] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=96, x1=101, x2=1, y1=95, y2=0, y3=6] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=96, x1=101, x2=1, y1=95, y2=0, y3=6] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=96, x1=101, x2=1, y1=96, y2=0, y3=5] [L36] EXPR counter++ VAL [\old(counter)=0, counter=97, counter++=96, x1=101, x2=1, y1=96, y2=0, y3=5] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=97] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=97] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=97, x1=101, x2=1, y1=96, y2=0, y3=5] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=97, x1=101, x2=1, y1=96, y2=0, y3=5] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=97, x1=101, x2=1, y1=97, y2=0, y3=4] [L36] EXPR counter++ VAL [\old(counter)=0, counter=98, counter++=97, x1=101, x2=1, y1=97, y2=0, y3=4] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=98] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=98] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=98, x1=101, x2=1, y1=97, y2=0, y3=4] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=98, x1=101, x2=1, y1=97, y2=0, y3=4] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=98, x1=101, x2=1, y1=98, y2=0, y3=3] [L36] EXPR counter++ VAL [\old(counter)=0, counter=99, counter++=98, x1=101, x2=1, y1=98, y2=0, y3=3] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=99] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=99] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=99, x1=101, x2=1, y1=98, y2=0, y3=3] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=99, x1=101, x2=1, y1=98, y2=0, y3=3] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=99, x1=101, x2=1, y1=99, y2=0, y3=2] [L36] EXPR counter++ VAL [\old(counter)=0, counter=100, counter++=99, x1=101, x2=1, y1=99, y2=0, y3=2] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=100] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=100] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=100, x1=101, x2=1, y1=99, y2=0, y3=2] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=100, x1=101, x2=1, y1=99, y2=0, y3=2] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=100, x1=101, x2=1, y1=100, y2=0, y3=1] [L36] EXPR counter++ VAL [\old(counter)=0, counter=101, counter++=100, x1=101, x2=1, y1=100, y2=0, y3=1] [L36] COND FALSE !(counter++<100) [L50] CALL __VERIFIER_assert(y1*x2 + y2 == x1) VAL [\old(cond)=0, \old(counter)=0, counter=101] [L16] COND TRUE !(cond) VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=101] [L18] reach_error() VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=101] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 478548.5ms, OverallIterations: 104, TraceHistogramMax: 101, EmptinessCheckTime: 237.7ms, AutomataDifference: 206459.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7617 SDtfs, 18430 SDslu, 40628 SDs, 0 SdLazy, 35099 SolverSat, 2605 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24052.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51766 GetRequests, 41643 SyntacticMatches, 0 SemanticMatches, 10123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166682 ImplicationChecksByTransitivity, 298921.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=920occurred in iteration=103, InterpolantAutomatonStates: 10322, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 522.9ms AutomataMinimizationTime, 103 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2888.1ms SsaConstructionTime, 21682.1ms SatisfiabilityAnalysisTime, 220407.4ms InterpolantComputationTime, 47847 NumberOfCodeBlocks, 47847 NumberOfCodeBlocksAsserted, 2621 NumberOfCheckSat, 46821 ConstructedInterpolants, 0 QuantifiedInterpolants, 139472 SizeOfPredicates, 5056 NumberOfNonLiveVariables, 126815 ConjunctsInSsa, 10436 ConjunctsInUnsatCore, 103 InterpolantComputations, 2 PerfectInterpolantSequences, 10307/1475514 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...