/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/cohendiv-ll_valuebound10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 19:46:19,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 19:46:19,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 19:46:19,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-02 19:46:19,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-02 19:46:19,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-02 19:46:19,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-02 19:46:19,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-02 19:46:19,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-02 19:46:19,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-02 19:46:19,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-02 19:46:19,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-02 19:46:19,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 19:46:19,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 19:46:19,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 19:46:19,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 19:46:19,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 19:46:19,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 19:46:19,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 19:46:19,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 19:46:19,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 19:46:19,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 19:46:19,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 19:46:19,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 19:46:19,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-02 19:46:19,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 19:46:19,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 19:46:19,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 19:46:19,280 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-02 19:46:19,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 19:46:19,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 19:46:19,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 19:46:19,304 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 19:46:19,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 19:46:19,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 19:46:19,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 19:46:19,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 19:46:19,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 19:46:19,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 19:46:19,306 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 19:46:19,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 19:46:19,306 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 19:46:19,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 19:46:19,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 19:46:19,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 19:46:19,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-02 19:46:19,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 19:46:19,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 19:46:19,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 19:46:19,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 19:46:19,309 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-02 19:46:19,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 19:46:19,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 19:46:19,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 19:46:19,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 19:46:19,646 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 19:46:19,647 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 19:46:19,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_valuebound10.c [2021-05-02 19:46:19,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4ae21d1/e3d83281bd9a48709fec682fb74abfb8/FLAG779bcb435 [2021-05-02 19:46:20,134 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 19:46:20,134 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_valuebound10.c [2021-05-02 19:46:20,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4ae21d1/e3d83281bd9a48709fec682fb74abfb8/FLAG779bcb435 [2021-05-02 19:46:20,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4ae21d1/e3d83281bd9a48709fec682fb74abfb8 [2021-05-02 19:46:20,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 19:46:20,169 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-02 19:46:20,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 19:46:20,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 19:46:20,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 19:46:20,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 07:46:20" (1/1) ... [2021-05-02 19:46:20,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5be64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:20, skipping insertion in model container [2021-05-02 19:46:20,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 07:46:20" (1/1) ... [2021-05-02 19:46:20,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 19:46:20,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 19:46:20,347 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/cohendiv-ll_valuebound10.c[576,589] [2021-05-02 19:46:20,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 19:46:20,377 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 19:46:20,401 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/cohendiv-ll_valuebound10.c[576,589] [2021-05-02 19:46:20,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 19:46:20,457 INFO L208 MainTranslator]: Completed translation [2021-05-02 19:46:20,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:20 WrapperNode [2021-05-02 19:46:20,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 19:46:20,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 19:46:20,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 19:46:20,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 19:46:20,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:20" (1/1) ... [2021-05-02 19:46:20,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:20" (1/1) ... [2021-05-02 19:46:20,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:20" (1/1) ... [2021-05-02 19:46:20,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:20" (1/1) ... [2021-05-02 19:46:20,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:20" (1/1) ... [2021-05-02 19:46:20,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:20" (1/1) ... [2021-05-02 19:46:20,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:20" (1/1) ... [2021-05-02 19:46:20,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 19:46:20,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 19:46:20,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 19:46:20,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 19:46:20,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:20" (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 19:46:20,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 19:46:20,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 19:46:20,582 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 19:46:20,583 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-02 19:46:20,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 19:46:20,583 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 19:46:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 19:46:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 19:46:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 19:46:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 19:46:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-02 19:46:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-02 19:46:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 19:46:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 19:46:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 19:46:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 19:46:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 19:46:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 19:46:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 19:46:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 19:46:20,877 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 19:46:20,877 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-05-02 19:46:20,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 07:46:20 BoogieIcfgContainer [2021-05-02 19:46:20,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 19:46:20,879 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-02 19:46:20,879 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-02 19:46:20,880 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-02 19:46:20,882 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 07:46:20" (1/1) ... [2021-05-02 19:46:20,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 07:46:20 BasicIcfg [2021-05-02 19:46:20,897 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-02 19:46:20,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 19:46:20,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 19:46:20,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 19:46:20,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 07:46:20" (1/4) ... [2021-05-02 19:46:20,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2f76ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 07:46:20, skipping insertion in model container [2021-05-02 19:46:20,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:20" (2/4) ... [2021-05-02 19:46:20,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2f76ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 07:46:20, skipping insertion in model container [2021-05-02 19:46:20,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 07:46:20" (3/4) ... [2021-05-02 19:46:20,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2f76ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 07:46:20, skipping insertion in model container [2021-05-02 19:46:20,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 07:46:20" (4/4) ... [2021-05-02 19:46:20,904 INFO L111 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_valuebound10.cJordan [2021-05-02 19:46:20,909 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-02 19:46:20,912 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 19:46:20,927 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 19:46:20,955 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 19:46:20,955 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-02 19:46:20,955 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-02 19:46:20,955 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 19:46:20,955 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 19:46:20,955 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 19:46:20,955 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 19:46:20,956 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 19:46:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-05-02 19:46:20,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-05-02 19:46:20,983 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:20,983 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 19:46:20,984 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:20,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:20,991 INFO L82 PathProgramCache]: Analyzing trace with hash 795680375, now seen corresponding path program 1 times [2021-05-02 19:46:20,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:21,000 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917742143] [2021-05-02 19:46:21,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:21,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 19:46:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:21,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 19:46:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:21,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-05-02 19:46:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:21,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-05-02 19:46:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:21,309 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-02 19:46:21,310 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:21,310 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917742143] [2021-05-02 19:46:21,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917742143] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 19:46:21,311 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 19:46:21,312 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-02 19:46:21,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025191494] [2021-05-02 19:46:21,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-02 19:46:21,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:21,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-02 19:46:21,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 19:46:21,332 INFO L87 Difference]: Start difference. First operand has 39 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-05-02 19:46:21,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:21,449 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2021-05-02 19:46:21,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-02 19:46:21,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2021-05-02 19:46:21,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:21,457 INFO L225 Difference]: With dead ends: 39 [2021-05-02 19:46:21,476 INFO L226 Difference]: Without dead ends: 34 [2021-05-02 19:46:21,477 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 43.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 19:46:21,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-05-02 19:46:21,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-05-02 19:46:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-05-02 19:46:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2021-05-02 19:46:21,521 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 43 transitions. Word has length 28 [2021-05-02 19:46:21,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:21,524 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-05-02 19:46:21,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-05-02 19:46:21,524 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-05-02 19:46:21,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-05-02 19:46:21,526 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:21,526 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 19:46:21,526 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 19:46:21,526 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:21,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:21,527 INFO L82 PathProgramCache]: Analyzing trace with hash 797557208, now seen corresponding path program 1 times [2021-05-02 19:46:21,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:21,527 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759174987] [2021-05-02 19:46:21,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:21,548 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:46:21,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [670928247] [2021-05-02 19:46:21,550 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 19:46:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:21,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-02 19:46:21,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:46:21,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:21,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:21,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:21,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:21,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:21,838 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-02 19:46:21,838 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:21,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759174987] [2021-05-02 19:46:21,838 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:46:21,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670928247] [2021-05-02 19:46:21,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670928247] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 19:46:21,839 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 19:46:21,839 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-05-02 19:46:21,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489343954] [2021-05-02 19:46:21,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-02 19:46:21,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:21,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-02 19:46:21,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-05-02 19:46:21,841 INFO L87 Difference]: Start difference. First operand 34 states and 43 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-05-02 19:46:21,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:21,937 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2021-05-02 19:46:21,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-02 19:46:21,937 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2021-05-02 19:46:21,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:21,938 INFO L225 Difference]: With dead ends: 43 [2021-05-02 19:46:21,938 INFO L226 Difference]: Without dead ends: 43 [2021-05-02 19:46:21,939 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 74.1ms TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-05-02 19:46:21,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-05-02 19:46:21,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2021-05-02 19:46:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 24 states have internal predecessors, (25), 13 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2021-05-02 19:46:21,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2021-05-02 19:46:21,947 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 28 [2021-05-02 19:46:21,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:21,947 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2021-05-02 19:46:21,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-05-02 19:46:21,947 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2021-05-02 19:46:21,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-05-02 19:46:21,948 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:21,948 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 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 19:46:22,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-05-02 19:46:22,162 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:22,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:22,163 INFO L82 PathProgramCache]: Analyzing trace with hash 648866686, now seen corresponding path program 1 times [2021-05-02 19:46:22,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:22,163 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079001910] [2021-05-02 19:46:22,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:22,193 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:46:22,193 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1615303078] [2021-05-02 19:46:22,194 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 19:46:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:22,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-02 19:46:22,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:46:22,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:22,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:22,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:22,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:22,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:22,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:22,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:22,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:22,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:22,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:22,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:22,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:22,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:22,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:22,542 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-02 19:46:22,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:22,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079001910] [2021-05-02 19:46:22,543 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:46:22,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615303078] [2021-05-02 19:46:22,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615303078] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 19:46:22,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 19:46:22,544 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-05-02 19:46:22,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344514929] [2021-05-02 19:46:22,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-02 19:46:22,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:22,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-02 19:46:22,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-05-02 19:46:22,546 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 7 states have internal predecessors, (15), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-02 19:46:22,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:22,706 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2021-05-02 19:46:22,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-02 19:46:22,707 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 7 states have internal predecessors, (15), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) Word has length 33 [2021-05-02 19:46:22,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:22,709 INFO L225 Difference]: With dead ends: 55 [2021-05-02 19:46:22,709 INFO L226 Difference]: Without dead ends: 54 [2021-05-02 19:46:22,710 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 88.7ms TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-05-02 19:46:22,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-05-02 19:46:22,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2021-05-02 19:46:22,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 18 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-05-02 19:46:22,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2021-05-02 19:46:22,722 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 33 [2021-05-02 19:46:22,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:22,722 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2021-05-02 19:46:22,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 7 states have internal predecessors, (15), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-02 19:46:22,723 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2021-05-02 19:46:22,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-05-02 19:46:22,723 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:22,724 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 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 19:46:22,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:46:22,949 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:22,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:22,950 INFO L82 PathProgramCache]: Analyzing trace with hash 619469170, now seen corresponding path program 1 times [2021-05-02 19:46:22,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:22,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554670077] [2021-05-02 19:46:22,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:22,964 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:46:22,964 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1668197327] [2021-05-02 19:46:22,964 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 19:46:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:23,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjunts are in the unsatisfiable core [2021-05-02 19:46:23,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:46:23,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:23,107 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-05-02 19:46:23,107 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:23,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554670077] [2021-05-02 19:46:23,107 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:46:23,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668197327] [2021-05-02 19:46:23,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668197327] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:46:23,107 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:46:23,108 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-05-02 19:46:23,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245975010] [2021-05-02 19:46:23,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-02 19:46:23,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:23,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-02 19:46:23,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-05-02 19:46:23,109 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-05-02 19:46:23,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:23,199 INFO L93 Difference]: Finished difference Result 77 states and 103 transitions. [2021-05-02 19:46:23,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-02 19:46:23,200 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 40 [2021-05-02 19:46:23,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:23,201 INFO L225 Difference]: With dead ends: 77 [2021-05-02 19:46:23,201 INFO L226 Difference]: Without dead ends: 77 [2021-05-02 19:46:23,201 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 35.0ms TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-05-02 19:46:23,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-05-02 19:46:23,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 70. [2021-05-02 19:46:23,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 40 states have internal predecessors, (44), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2021-05-02 19:46:23,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 92 transitions. [2021-05-02 19:46:23,209 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 92 transitions. Word has length 40 [2021-05-02 19:46:23,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:23,209 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 92 transitions. [2021-05-02 19:46:23,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-05-02 19:46:23,210 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2021-05-02 19:46:23,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-05-02 19:46:23,211 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:23,211 INFO L523 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:46:23,432 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:46:23,433 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:23,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:23,433 INFO L82 PathProgramCache]: Analyzing trace with hash -810208713, now seen corresponding path program 1 times [2021-05-02 19:46:23,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:23,434 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439793265] [2021-05-02 19:46:23,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:23,452 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:46:23,453 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [159212262] [2021-05-02 19:46:23,453 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 19:46:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:23,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-02 19:46:23,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:46:23,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:23,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:23,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-05-02 19:46:23,752 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:23,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439793265] [2021-05-02 19:46:23,752 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:46:23,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159212262] [2021-05-02 19:46:23,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159212262] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:46:23,753 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:46:23,753 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-05-02 19:46:23,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961079613] [2021-05-02 19:46:23,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-02 19:46:23,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:23,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-02 19:46:23,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-05-02 19:46:23,754 INFO L87 Difference]: Start difference. First operand 70 states and 92 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-05-02 19:46:23,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:23,963 INFO L93 Difference]: Finished difference Result 74 states and 95 transitions. [2021-05-02 19:46:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-02 19:46:23,964 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 56 [2021-05-02 19:46:23,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:23,966 INFO L225 Difference]: With dead ends: 74 [2021-05-02 19:46:23,966 INFO L226 Difference]: Without dead ends: 74 [2021-05-02 19:46:23,967 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 104.9ms TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-05-02 19:46:23,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-05-02 19:46:23,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-05-02 19:46:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 41 states have (on average 1.146341463414634) internal successors, (47), 43 states have internal predecessors, (47), 25 states have call successors, (25), 8 states have call predecessors, (25), 7 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2021-05-02 19:46:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2021-05-02 19:46:23,975 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 56 [2021-05-02 19:46:23,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:23,976 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2021-05-02 19:46:23,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-05-02 19:46:23,976 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2021-05-02 19:46:23,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-05-02 19:46:23,977 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:23,978 INFO L523 BasicCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2021-05-02 19:46:24,197 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:46:24,198 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:24,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:24,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1603019557, now seen corresponding path program 1 times [2021-05-02 19:46:24,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:24,198 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409409155] [2021-05-02 19:46:24,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:24,208 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:46:24,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [494539200] [2021-05-02 19:46:24,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 19:46:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:24,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-02 19:46:24,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:46:24,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:24,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:24,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:24,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:24,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:24,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:24,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:24,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:24,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:24,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:24,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:24,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:24,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:24,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:24,626 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-05-02 19:46:24,626 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:24,626 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409409155] [2021-05-02 19:46:24,627 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:46:24,627 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494539200] [2021-05-02 19:46:24,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494539200] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:46:24,627 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:46:24,627 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-05-02 19:46:24,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392610986] [2021-05-02 19:46:24,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-02 19:46:24,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:24,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-02 19:46:24,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-05-02 19:46:24,629 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 9 states have internal predecessors, (23), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2021-05-02 19:46:24,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:24,849 INFO L93 Difference]: Finished difference Result 95 states and 116 transitions. [2021-05-02 19:46:24,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-02 19:46:24,852 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 9 states have internal predecessors, (23), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 63 [2021-05-02 19:46:24,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:24,853 INFO L225 Difference]: With dead ends: 95 [2021-05-02 19:46:24,854 INFO L226 Difference]: Without dead ends: 85 [2021-05-02 19:46:24,854 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 97.4ms TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-05-02 19:46:24,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-05-02 19:46:24,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2021-05-02 19:46:24,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 49 states have internal predecessors, (52), 25 states have call successors, (25), 10 states have call predecessors, (25), 9 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2021-05-02 19:46:24,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 100 transitions. [2021-05-02 19:46:24,861 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 100 transitions. Word has length 63 [2021-05-02 19:46:24,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:24,861 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 100 transitions. [2021-05-02 19:46:24,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 9 states have internal predecessors, (23), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2021-05-02 19:46:24,861 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 100 transitions. [2021-05-02 19:46:24,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-05-02 19:46:24,863 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:24,863 INFO L523 BasicCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 19:46:25,072 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-05-02 19:46:25,073 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:25,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:25,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1439194403, now seen corresponding path program 1 times [2021-05-02 19:46:25,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:25,073 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049552635] [2021-05-02 19:46:25,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:25,081 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:46:25,081 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [135705731] [2021-05-02 19:46:25,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 19:46:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:25,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 41 conjunts are in the unsatisfiable core [2021-05-02 19:46:25,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:46:25,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 10 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-05-02 19:46:25,859 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:25,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049552635] [2021-05-02 19:46:25,859 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:46:25,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135705731] [2021-05-02 19:46:25,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135705731] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:46:25,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:46:25,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2021-05-02 19:46:25,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459864171] [2021-05-02 19:46:25,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-05-02 19:46:25,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:25,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-05-02 19:46:25,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-05-02 19:46:25,867 INFO L87 Difference]: Start difference. First operand 82 states and 100 transitions. Second operand has 16 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 13 states have internal predecessors, (29), 7 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14) [2021-05-02 19:46:26,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:26,442 INFO L93 Difference]: Finished difference Result 128 states and 160 transitions. [2021-05-02 19:46:26,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-02 19:46:26,443 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 13 states have internal predecessors, (29), 7 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14) Word has length 86 [2021-05-02 19:46:26,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:26,444 INFO L225 Difference]: With dead ends: 128 [2021-05-02 19:46:26,444 INFO L226 Difference]: Without dead ends: 127 [2021-05-02 19:46:26,445 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 345.1ms TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-05-02 19:46:26,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-05-02 19:46:26,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 122. [2021-05-02 19:46:26,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 70 states have (on average 1.1142857142857143) internal successors, (78), 72 states have internal predecessors, (78), 38 states have call successors, (38), 14 states have call predecessors, (38), 13 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2021-05-02 19:46:26,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 152 transitions. [2021-05-02 19:46:26,456 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 152 transitions. Word has length 86 [2021-05-02 19:46:26,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:26,457 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 152 transitions. [2021-05-02 19:46:26,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 13 states have internal predecessors, (29), 7 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14) [2021-05-02 19:46:26,457 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 152 transitions. [2021-05-02 19:46:26,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-05-02 19:46:26,459 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:26,459 INFO L523 BasicCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2021-05-02 19:46:26,678 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:46:26,678 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:26,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:26,679 INFO L82 PathProgramCache]: Analyzing trace with hash -2120729957, now seen corresponding path program 2 times [2021-05-02 19:46:26,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:26,679 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014219975] [2021-05-02 19:46:26,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:26,689 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:46:26,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1576878873] [2021-05-02 19:46:26,689 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 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 19:46:26,754 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 19:46:26,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 19:46:26,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 36 conjunts are in the unsatisfiable core [2021-05-02 19:46:26,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:46:26,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:26,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,234 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 31 proven. 23 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2021-05-02 19:46:27,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:27,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014219975] [2021-05-02 19:46:27,235 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:46:27,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576878873] [2021-05-02 19:46:27,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576878873] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:46:27,235 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:46:27,235 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-05-02 19:46:27,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569691996] [2021-05-02 19:46:27,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-02 19:46:27,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:27,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-02 19:46:27,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-05-02 19:46:27,237 INFO L87 Difference]: Start difference. First operand 122 states and 152 transitions. Second operand has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 11 states have internal predecessors, (29), 7 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) [2021-05-02 19:46:27,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:27,551 INFO L93 Difference]: Finished difference Result 160 states and 206 transitions. [2021-05-02 19:46:27,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-02 19:46:27,552 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 11 states have internal predecessors, (29), 7 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) Word has length 109 [2021-05-02 19:46:27,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:27,556 INFO L225 Difference]: With dead ends: 160 [2021-05-02 19:46:27,556 INFO L226 Difference]: Without dead ends: 159 [2021-05-02 19:46:27,557 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 141.3ms TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-05-02 19:46:27,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-05-02 19:46:27,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 154. [2021-05-02 19:46:27,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 87 states have (on average 1.1264367816091954) internal successors, (98), 89 states have internal predecessors, (98), 51 states have call successors, (51), 16 states have call predecessors, (51), 15 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2021-05-02 19:46:27,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 198 transitions. [2021-05-02 19:46:27,583 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 198 transitions. Word has length 109 [2021-05-02 19:46:27,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:27,584 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 198 transitions. [2021-05-02 19:46:27,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 11 states have internal predecessors, (29), 7 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) [2021-05-02 19:46:27,584 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 198 transitions. [2021-05-02 19:46:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-05-02 19:46:27,594 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:27,594 INFO L523 BasicCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 19:46:27,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:46:27,813 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:27,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:27,813 INFO L82 PathProgramCache]: Analyzing trace with hash 435194, now seen corresponding path program 3 times [2021-05-02 19:46:27,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:27,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963973564] [2021-05-02 19:46:27,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:27,824 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:46:27,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1471542630] [2021-05-02 19:46:27,824 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 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 19:46:27,933 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-05-02 19:46:27,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 19:46:27,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 37 conjunts are in the unsatisfiable core [2021-05-02 19:46:27,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:46:27,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:27,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:28,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:28,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:28,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:28,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:28,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:28,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:28,205 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 123 proven. 35 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-05-02 19:46:28,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:28,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963973564] [2021-05-02 19:46:28,206 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:46:28,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471542630] [2021-05-02 19:46:28,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471542630] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:46:28,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:46:28,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-05-02 19:46:28,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786392053] [2021-05-02 19:46:28,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-02 19:46:28,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:28,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-02 19:46:28,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-05-02 19:46:28,207 INFO L87 Difference]: Start difference. First operand 154 states and 198 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 9 states have internal predecessors, (30), 5 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 5 states have call successors, (16) [2021-05-02 19:46:32,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:32,486 INFO L93 Difference]: Finished difference Result 172 states and 216 transitions. [2021-05-02 19:46:32,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-02 19:46:32,487 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 9 states have internal predecessors, (30), 5 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 5 states have call successors, (16) Word has length 116 [2021-05-02 19:46:32,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:32,489 INFO L225 Difference]: With dead ends: 172 [2021-05-02 19:46:32,489 INFO L226 Difference]: Without dead ends: 170 [2021-05-02 19:46:32,489 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 113.8ms TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-05-02 19:46:32,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-05-02 19:46:32,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 141. [2021-05-02 19:46:32,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 84 states have (on average 1.0833333333333333) internal successors, (91), 86 states have internal predecessors, (91), 39 states have call successors, (39), 18 states have call predecessors, (39), 17 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2021-05-02 19:46:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2021-05-02 19:46:32,497 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 116 [2021-05-02 19:46:32,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:32,497 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2021-05-02 19:46:32,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 9 states have internal predecessors, (30), 5 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 5 states have call successors, (16) [2021-05-02 19:46:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2021-05-02 19:46:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-05-02 19:46:32,499 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:32,499 INFO L523 BasicCegarLoop]: trace histogram [18, 17, 17, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1] [2021-05-02 19:46:32,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-05-02 19:46:32,717 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:32,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:32,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1618316395, now seen corresponding path program 4 times [2021-05-02 19:46:32,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:32,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668757232] [2021-05-02 19:46:32,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:32,739 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:46:32,739 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [241090456] [2021-05-02 19:46:32,740 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 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 19:46:32,819 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 19:46:32,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 19:46:32,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 12 conjunts are in the unsatisfiable core [2021-05-02 19:46:32,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:46:32,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:32,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:33,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:34,421 WARN L159 QuantifierPusher]: Ignoring assumption.