/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/bresenham-ll_valuebound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 19:30:32,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 19:30:32,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 19:30:32,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-02 19:30:32,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 19:30:32,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 19:30:32,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 19:30:32,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 19:30:32,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 19:30:32,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 19:30:32,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 19:30:32,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 19:30:32,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 19:30:32,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 19:30:32,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 19:30:32,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 19:30:32,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-02 19:30:32,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 19:30:32,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 19:30:32,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 19:30:32,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-02 19:30:32,157 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 19:30:32,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 19:30:32,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 19:30:32,160 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 19:30:32,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 19:30:32,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 19:30:32,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 19:30:32,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 19:30:32,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 19:30:32,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 19:30:32,161 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 19:30:32,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 19:30:32,161 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 19:30:32,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 19:30:32,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 19:30:32,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 19:30:32,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-02 19:30:32,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 19:30:32,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 19:30:32,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 19:30:32,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 19:30:32,163 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-02 19:30:32,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 19:30:32,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 19:30:32,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 19:30:32,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 19:30:32,469 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 19:30:32,469 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 19:30:32,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/bresenham-ll_valuebound2.c [2021-05-02 19:30:32,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ec5fcad/8aef47a0121e49b9adf01f1dab3b09c4/FLAGb9e4fb3df [2021-05-02 19:30:32,906 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 19:30:32,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/bresenham-ll_valuebound2.c [2021-05-02 19:30:32,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ec5fcad/8aef47a0121e49b9adf01f1dab3b09c4/FLAGb9e4fb3df [2021-05-02 19:30:32,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ec5fcad/8aef47a0121e49b9adf01f1dab3b09c4 [2021-05-02 19:30:32,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 19:30:32,931 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-02 19:30:32,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 19:30:32,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 19:30:32,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 19:30:32,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 07:30:32" (1/1) ... [2021-05-02 19:30:32,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47be709a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:30:32, skipping insertion in model container [2021-05-02 19:30:32,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 07:30:32" (1/1) ... [2021-05-02 19:30:32,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 19:30:32,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 19:30:33,069 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/bresenham-ll_valuebound2.c[597,610] [2021-05-02 19:30:33,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 19:30:33,094 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 19:30:33,116 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/bresenham-ll_valuebound2.c[597,610] [2021-05-02 19:30:33,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 19:30:33,155 INFO L208 MainTranslator]: Completed translation [2021-05-02 19:30:33,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:30:33 WrapperNode [2021-05-02 19:30:33,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 19:30:33,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 19:30:33,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 19:30:33,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 19:30:33,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:30:33" (1/1) ... [2021-05-02 19:30:33,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:30:33" (1/1) ... [2021-05-02 19:30:33,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:30:33" (1/1) ... [2021-05-02 19:30:33,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:30:33" (1/1) ... [2021-05-02 19:30:33,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:30:33" (1/1) ... [2021-05-02 19:30:33,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:30:33" (1/1) ... [2021-05-02 19:30:33,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:30:33" (1/1) ... [2021-05-02 19:30:33,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 19:30:33,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 19:30:33,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 19:30:33,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 19:30:33,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:30:33" (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 19:30:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 19:30:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 19:30:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 19:30:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-02 19:30:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 19:30:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 19:30:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 19:30:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 19:30:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 19:30:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 19:30:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-02 19:30:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-02 19:30:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 19:30:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 19:30:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 19:30:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 19:30:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 19:30:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 19:30:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 19:30:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 19:30:33,575 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 19:30:33,575 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-02 19:30:33,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 07:30:33 BoogieIcfgContainer [2021-05-02 19:30:33,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 19:30:33,577 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-02 19:30:33,577 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-02 19:30:33,578 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-02 19:30:33,579 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 07:30:33" (1/1) ... [2021-05-02 19:30:33,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 07:30:33 BasicIcfg [2021-05-02 19:30:33,607 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-02 19:30:33,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 19:30:33,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 19:30:33,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 19:30:33,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 07:30:32" (1/4) ... [2021-05-02 19:30:33,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1794693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 07:30:33, skipping insertion in model container [2021-05-02 19:30:33,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:30:33" (2/4) ... [2021-05-02 19:30:33,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1794693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 07:30:33, skipping insertion in model container [2021-05-02 19:30:33,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 07:30:33" (3/4) ... [2021-05-02 19:30:33,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1794693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 07:30:33, skipping insertion in model container [2021-05-02 19:30:33,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 07:30:33" (4/4) ... [2021-05-02 19:30:33,611 INFO L111 eAbstractionObserver]: Analyzing ICFG bresenham-ll_valuebound2.cJordan [2021-05-02 19:30:33,631 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-02 19:30:33,634 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 19:30:33,644 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 19:30:33,672 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 19:30:33,672 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-02 19:30:33,672 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-02 19:30:33,672 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 19:30:33,672 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 19:30:33,672 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 19:30:33,672 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 19:30:33,673 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 19:30:33,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 20 states have (on average 1.35) internal successors, (27), 21 states have internal predecessors, (27), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-05-02 19:30:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-05-02 19:30:33,697 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:30:33,697 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 19:30:33,697 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:30:33,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:30:33,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1563578423, now seen corresponding path program 1 times [2021-05-02 19:30:33,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:30:33,723 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648787396] [2021-05-02 19:30:33,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:30:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:30:33,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 19:30:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:30:33,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 19:30:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:30:33,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-05-02 19:30:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:30:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 19:30:33,925 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:30:33,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648787396] [2021-05-02 19:30:33,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648787396] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 19:30:33,926 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 19:30:33,926 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-02 19:30:33,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360528746] [2021-05-02 19:30:33,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-02 19:30:33,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:30:33,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-02 19:30:33,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 19:30:33,939 INFO L87 Difference]: Start difference. First operand has 32 states, 20 states have (on average 1.35) internal successors, (27), 21 states have internal predecessors, (27), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 19:30:33,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:30:33,982 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2021-05-02 19:30:33,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-02 19:30:33,983 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2021-05-02 19:30:33,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:30:33,988 INFO L225 Difference]: With dead ends: 32 [2021-05-02 19:30:33,988 INFO L226 Difference]: Without dead ends: 27 [2021-05-02 19:30:33,989 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 19:30:33,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-05-02 19:30:34,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-05-02 19:30:34,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-02 19:30:34,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2021-05-02 19:30:34,009 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 23 [2021-05-02 19:30:34,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:30:34,009 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-05-02 19:30:34,009 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 19:30:34,009 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-05-02 19:30:34,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-05-02 19:30:34,010 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:30:34,011 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 19:30:34,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 19:30:34,011 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:30:34,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:30:34,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1863481077, now seen corresponding path program 1 times [2021-05-02 19:30:34,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:30:34,012 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335963131] [2021-05-02 19:30:34,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:30:34,025 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:30:34,026 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [351086909] [2021-05-02 19:30:34,026 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 19:30:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:30:34,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 21 conjunts are in the unsatisfiable core [2021-05-02 19:30:34,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:30:34,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:34,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:34,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:34,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:34,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-02 19:30:34,353 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:30:34,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335963131] [2021-05-02 19:30:34,353 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:30:34,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351086909] [2021-05-02 19:30:34,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351086909] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:30:34,354 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:30:34,354 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-05-02 19:30:34,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899274098] [2021-05-02 19:30:34,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-02 19:30:34,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:30:34,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-02 19:30:34,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-05-02 19:30:34,358 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 19:30:34,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:30:34,461 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2021-05-02 19:30:34,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-02 19:30:34,462 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2021-05-02 19:30:34,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:30:34,463 INFO L225 Difference]: With dead ends: 35 [2021-05-02 19:30:34,463 INFO L226 Difference]: Without dead ends: 35 [2021-05-02 19:30:34,463 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 76.1ms TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-05-02 19:30:34,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-05-02 19:30:34,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2021-05-02 19:30:34,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-02 19:30:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2021-05-02 19:30:34,467 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 23 [2021-05-02 19:30:34,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:30:34,468 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2021-05-02 19:30:34,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 19:30:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2021-05-02 19:30:34,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-05-02 19:30:34,469 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:30:34,469 INFO L523 BasicCegarLoop]: trace histogram [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 19:30:34,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-05-02 19:30:34,685 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:30:34,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:30:34,686 INFO L82 PathProgramCache]: Analyzing trace with hash -646008129, now seen corresponding path program 1 times [2021-05-02 19:30:34,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:30:34,686 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351654222] [2021-05-02 19:30:34,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:30:34,696 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:30:34,696 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [16173366] [2021-05-02 19:30:34,696 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 19:30:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:30:34,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 27 conjunts are in the unsatisfiable core [2021-05-02 19:30:34,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:30:34,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:34,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:34,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:34,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:34,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:34,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:34,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:34,935 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 19:30:34,935 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:30:34,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351654222] [2021-05-02 19:30:34,936 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:30:34,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16173366] [2021-05-02 19:30:34,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16173366] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:30:34,936 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:30:34,936 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-05-02 19:30:34,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959881360] [2021-05-02 19:30:34,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-02 19:30:34,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:30:34,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-02 19:30:34,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-05-02 19:30:34,937 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 11 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 19:30:35,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:30:35,044 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2021-05-02 19:30:35,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-02 19:30:35,045 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 32 [2021-05-02 19:30:35,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:30:35,045 INFO L225 Difference]: With dead ends: 48 [2021-05-02 19:30:35,045 INFO L226 Difference]: Without dead ends: 35 [2021-05-02 19:30:35,046 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 112.9ms TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-05-02 19:30:35,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-05-02 19:30:35,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-05-02 19:30:35,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-02 19:30:35,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2021-05-02 19:30:35,049 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 32 [2021-05-02 19:30:35,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:30:35,049 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2021-05-02 19:30:35,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 19:30:35,049 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2021-05-02 19:30:35,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-05-02 19:30:35,050 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:30:35,050 INFO L523 BasicCegarLoop]: trace histogram [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 19:30:35,270 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:30:35,270 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:30:35,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:30:35,271 INFO L82 PathProgramCache]: Analyzing trace with hash 241495552, now seen corresponding path program 1 times [2021-05-02 19:30:35,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:30:35,271 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036862417] [2021-05-02 19:30:35,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:30:35,280 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:30:35,280 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1607688449] [2021-05-02 19:30:35,280 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 19:30:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:30:35,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 29 conjunts are in the unsatisfiable core [2021-05-02 19:30:35,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:30:35,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:35,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:35,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:35,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:35,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:35,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:35,474 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-02 19:30:35,474 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:30:35,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036862417] [2021-05-02 19:30:35,474 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:30:35,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607688449] [2021-05-02 19:30:35,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607688449] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:30:35,474 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:30:35,474 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-05-02 19:30:35,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45443603] [2021-05-02 19:30:35,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-02 19:30:35,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:30:35,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-02 19:30:35,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-05-02 19:30:35,475 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 19:30:35,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:30:35,580 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2021-05-02 19:30:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-02 19:30:35,581 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 32 [2021-05-02 19:30:35,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:30:35,598 INFO L225 Difference]: With dead ends: 46 [2021-05-02 19:30:35,599 INFO L226 Difference]: Without dead ends: 46 [2021-05-02 19:30:35,599 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 85.2ms TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-05-02 19:30:35,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-05-02 19:30:35,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2021-05-02 19:30:35,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 30 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-05-02 19:30:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2021-05-02 19:30:35,607 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 32 [2021-05-02 19:30:35,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:30:35,607 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2021-05-02 19:30:35,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 19:30:35,607 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2021-05-02 19:30:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-02 19:30:35,608 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:30:35,608 INFO L523 BasicCegarLoop]: trace histogram [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 19:30:35,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:30:35,825 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:30:35,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:30:35,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1661983408, now seen corresponding path program 1 times [2021-05-02 19:30:35,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:30:35,826 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378637512] [2021-05-02 19:30:35,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:30:35,834 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:30:35,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [668405643] [2021-05-02 19:30:35,835 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 19:30:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:30:35,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 34 conjunts are in the unsatisfiable core [2021-05-02 19:30:35,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:30:35,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:35,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:36,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:36,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:36,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:36,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:36,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:36,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:36,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:36,175 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-05-02 19:30:36,175 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:30:36,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378637512] [2021-05-02 19:30:36,175 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:30:36,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668405643] [2021-05-02 19:30:36,176 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668405643] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:30:36,176 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:30:36,176 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2021-05-02 19:30:36,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553734159] [2021-05-02 19:30:36,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-05-02 19:30:36,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:30:36,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-05-02 19:30:36,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2021-05-02 19:30:36,177 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand has 16 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-02 19:30:36,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:30:36,375 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2021-05-02 19:30:36,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-02 19:30:36,375 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 39 [2021-05-02 19:30:36,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:30:36,376 INFO L225 Difference]: With dead ends: 51 [2021-05-02 19:30:36,376 INFO L226 Difference]: Without dead ends: 45 [2021-05-02 19:30:36,376 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 213.2ms TimeCoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2021-05-02 19:30:36,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-05-02 19:30:36,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2021-05-02 19:30:36,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.103448275862069) internal successors, (32), 30 states have internal predecessors, (32), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-05-02 19:30:36,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2021-05-02 19:30:36,379 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 39 [2021-05-02 19:30:36,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:30:36,380 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2021-05-02 19:30:36,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-02 19:30:36,380 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2021-05-02 19:30:36,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-05-02 19:30:36,380 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:30:36,380 INFO L523 BasicCegarLoop]: trace histogram [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] [2021-05-02 19:30:36,600 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:30:36,600 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:30:36,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:30:36,600 INFO L82 PathProgramCache]: Analyzing trace with hash 207688042, now seen corresponding path program 1 times [2021-05-02 19:30:36,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:30:36,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962989154] [2021-05-02 19:30:36,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:30:36,608 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:30:36,608 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [31606077] [2021-05-02 19:30:36,608 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 19:30:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:30:36,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 37 conjunts are in the unsatisfiable core [2021-05-02 19:30:36,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:30:36,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:36,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:36,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:36,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:36,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:36,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:30:37,721 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-05-02 19:30:37,722 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:30:37,722 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962989154] [2021-05-02 19:30:37,722 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:30:37,722 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31606077] [2021-05-02 19:30:37,722 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31606077] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:30:37,722 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:30:37,722 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2021-05-02 19:30:37,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437514997] [2021-05-02 19:30:37,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-02 19:30:37,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:30:37,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-02 19:30:37,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-05-02 19:30:37,723 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand has 17 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 16 states have internal predecessors, (29), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-02 19:30:38,171 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2021-05-02 19:30:38,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:30:38,256 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2021-05-02 19:30:38,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-02 19:30:38,256 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 16 states have internal predecessors, (29), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 41 [2021-05-02 19:30:38,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:30:38,256 INFO L225 Difference]: With dead ends: 51 [2021-05-02 19:30:38,256 INFO L226 Difference]: Without dead ends: 0 [2021-05-02 19:30:38,257 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 517.1ms TimeCoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2021-05-02 19:30:38,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-02 19:30:38,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-02 19:30:38,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-02 19:30:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-02 19:30:38,257 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-05-02 19:30:38,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:30:38,257 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-02 19:30:38,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 16 states have internal predecessors, (29), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-02 19:30:38,258 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-02 19:30:38,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-02 19:30:38,458 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:30:38,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 07:30:38 BasicIcfg [2021-05-02 19:30:38,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-02 19:30:38,462 INFO L168 Benchmark]: Toolchain (without parser) took 5531.55 ms. Allocated memory was 182.5 MB in the beginning and 295.7 MB in the end (delta: 113.2 MB). Free memory was 147.1 MB in the beginning and 209.0 MB in the end (delta: -61.9 MB). Peak memory consumption was 52.0 MB. Max. memory is 8.0 GB. [2021-05-02 19:30:38,462 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 182.5 MB. Free memory is still 163.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-02 19:30:38,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.73 ms. Allocated memory is still 182.5 MB. Free memory was 146.9 MB in the beginning and 165.4 MB in the end (delta: -18.5 MB). Peak memory consumption was 11.7 MB. Max. memory is 8.0 GB. [2021-05-02 19:30:38,462 INFO L168 Benchmark]: Boogie Preprocessor took 31.92 ms. Allocated memory is still 182.5 MB. Free memory was 165.4 MB in the beginning and 163.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-05-02 19:30:38,462 INFO L168 Benchmark]: RCFGBuilder took 387.04 ms. Allocated memory is still 182.5 MB. Free memory was 163.8 MB in the beginning and 148.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-05-02 19:30:38,462 INFO L168 Benchmark]: IcfgTransformer took 29.97 ms. Allocated memory is still 182.5 MB. Free memory was 148.6 MB in the beginning and 147.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-05-02 19:30:38,463 INFO L168 Benchmark]: TraceAbstraction took 4853.79 ms. Allocated memory was 182.5 MB in the beginning and 295.7 MB in the end (delta: 113.2 MB). Free memory was 146.5 MB in the beginning and 209.0 MB in the end (delta: -62.5 MB). Peak memory consumption was 51.8 MB. Max. memory is 8.0 GB. [2021-05-02 19:30:38,463 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 182.5 MB. Free memory is still 163.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 221.73 ms. Allocated memory is still 182.5 MB. Free memory was 146.9 MB in the beginning and 165.4 MB in the end (delta: -18.5 MB). Peak memory consumption was 11.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.92 ms. Allocated memory is still 182.5 MB. Free memory was 165.4 MB in the beginning and 163.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 387.04 ms. Allocated memory is still 182.5 MB. Free memory was 163.8 MB in the beginning and 148.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * IcfgTransformer took 29.97 ms. Allocated memory is still 182.5 MB. Free memory was 148.6 MB in the beginning and 147.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4853.79 ms. Allocated memory was 182.5 MB in the beginning and 295.7 MB in the end (delta: 113.2 MB). Free memory was 146.5 MB in the beginning and 209.0 MB in the end (delta: -62.5 MB). Peak memory consumption was 51.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 16]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4788.1ms, OverallIterations: 6, TraceHistogramMax: 3, EmptinessCheckTime: 10.2ms, AutomataDifference: 1133.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 130 SDtfs, 157 SDslu, 647 SDs, 0 SdLazy, 999 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 477.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 1029.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=5, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 30.2ms AutomataMinimizationTime, 6 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 67.3ms SsaConstructionTime, 127.5ms SatisfiabilityAnalysisTime, 1886.6ms InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 1379 SizeOfPredicates, 27 NumberOfNonLiveVariables, 705 ConjunctsInSsa, 148 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 31/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...