/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 17:02:26,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 17:02:26,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 17:02:26,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 17:02:26,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 17:02:26,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 17:02:26,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 17:02:26,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 17:02:26,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 17:02:26,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 17:02:26,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 17:02:26,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 17:02:26,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 17:02:26,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 17:02:26,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 17:02:26,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 17:02:26,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 17:02:26,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 17:02:26,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 17:02:26,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 17:02:26,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 17:02:26,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 17:02:26,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 17:02:26,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 17:02:26,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 17:02:27,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 17:02:27,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 17:02:27,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 17:02:27,011 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 17:02:27,027 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 17:02:27,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 17:02:27,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 17:02:27,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 17:02:27,029 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 17:02:27,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 17:02:27,030 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 17:02:27,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 17:02:27,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 17:02:27,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 17:02:27,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 17:02:27,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 17:02:27,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 17:02:27,031 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 17:02:27,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 17:02:27,031 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 17:02:27,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 17:02:27,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 17:02:27,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 17:02:27,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 17:02:27,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 17:02:27,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 17:02:27,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 17:02:27,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 17:02:27,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 17:02:27,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 17:02:27,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 17:02:27,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 17:02:27,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 17:02:27,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 17:02:27,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 17:02:27,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 17:02:27,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 17:02:27,398 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 17:02:27,398 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 17:02:27,399 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2020-07-21 17:02:27,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a581565/7a615bc7e11d408eb4017beac272796c/FLAGd14a6d534 [2020-07-21 17:02:28,080 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 17:02:28,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2020-07-21 17:02:28,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a581565/7a615bc7e11d408eb4017beac272796c/FLAGd14a6d534 [2020-07-21 17:02:28,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a581565/7a615bc7e11d408eb4017beac272796c [2020-07-21 17:02:28,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 17:02:28,388 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 17:02:28,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 17:02:28,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 17:02:28,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 17:02:28,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:02:28" (1/1) ... [2020-07-21 17:02:28,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55248b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:28, skipping insertion in model container [2020-07-21 17:02:28,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:02:28" (1/1) ... [2020-07-21 17:02:28,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 17:02:28,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 17:02:28,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 17:02:28,862 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 17:02:29,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 17:02:29,124 INFO L208 MainTranslator]: Completed translation [2020-07-21 17:02:29,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:29 WrapperNode [2020-07-21 17:02:29,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 17:02:29,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 17:02:29,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 17:02:29,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 17:02:29,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:29" (1/1) ... [2020-07-21 17:02:29,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:29" (1/1) ... [2020-07-21 17:02:29,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:29" (1/1) ... [2020-07-21 17:02:29,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:29" (1/1) ... [2020-07-21 17:02:29,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:29" (1/1) ... [2020-07-21 17:02:29,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:29" (1/1) ... [2020-07-21 17:02:29,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:29" (1/1) ... [2020-07-21 17:02:29,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 17:02:29,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 17:02:29,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 17:02:29,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 17:02:29,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:29" (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 [2020-07-21 17:02:29,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 17:02:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 17:02:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 17:02:29,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 17:02:29,354 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-21 17:02:29,355 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-21 17:02:29,355 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 17:02:29,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 17:02:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 17:02:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 17:02:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 17:02:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 17:02:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 17:02:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 17:02:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 17:02:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 17:02:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 17:02:32,648 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 17:02:32,649 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 17:02:32,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:02:32 BoogieIcfgContainer [2020-07-21 17:02:32,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 17:02:32,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 17:02:32,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 17:02:32,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 17:02:32,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:02:28" (1/3) ... [2020-07-21 17:02:32,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41143498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:02:32, skipping insertion in model container [2020-07-21 17:02:32,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:29" (2/3) ... [2020-07-21 17:02:32,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41143498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:02:32, skipping insertion in model container [2020-07-21 17:02:32,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:02:32" (3/3) ... [2020-07-21 17:02:32,665 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lhb-reducer.c [2020-07-21 17:02:32,677 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 17:02:32,686 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 17:02:32,702 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 17:02:32,732 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 17:02:32,732 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 17:02:32,733 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 17:02:32,733 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 17:02:32,733 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 17:02:32,733 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 17:02:32,733 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 17:02:32,733 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 17:02:32,756 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-07-21 17:02:32,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-07-21 17:02:32,766 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 17:02:32,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 17:02:32,768 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 17:02:32,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 17:02:32,775 INFO L82 PathProgramCache]: Analyzing trace with hash 377540282, now seen corresponding path program 1 times [2020-07-21 17:02:32,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 17:02:32,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1571361265] [2020-07-21 17:02:32,787 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 17:02:40,571 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 17:02:40,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 17:02:40,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 17:02:40,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 17:02:40,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 17:02:40,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 17:02:40,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1571361265] [2020-07-21 17:02:40,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 17:02:40,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-21 17:02:40,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160617047] [2020-07-21 17:02:40,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-21 17:02:40,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 17:02:40,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-21 17:02:40,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-07-21 17:02:40,954 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 13 states. [2020-07-21 17:03:01,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 17:03:01,516 INFO L93 Difference]: Finished difference Result 90 states and 134 transitions. [2020-07-21 17:03:01,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 17:03:01,519 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 48 [2020-07-21 17:03:01,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 17:03:01,543 INFO L225 Difference]: With dead ends: 90 [2020-07-21 17:03:01,544 INFO L226 Difference]: Without dead ends: 57 [2020-07-21 17:03:01,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-07-21 17:03:01,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-21 17:03:01,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-07-21 17:03:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-07-21 17:03:01,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2020-07-21 17:03:01,634 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 48 [2020-07-21 17:03:01,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 17:03:01,636 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2020-07-21 17:03:01,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-21 17:03:01,637 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2020-07-21 17:03:01,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-21 17:03:01,639 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 17:03:01,639 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 17:03:01,840 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 17:03:01,841 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 17:03:01,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 17:03:01,842 INFO L82 PathProgramCache]: Analyzing trace with hash -849330057, now seen corresponding path program 1 times [2020-07-21 17:03:01,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 17:03:01,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2013310959] [2020-07-21 17:03:01,844 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 17:03:19,051 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 17:03:19,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 17:03:19,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 17:03:19,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 17:03:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 17:03:19,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 17:03:26,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 17:03:26,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2013310959] [2020-07-21 17:03:26,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 17:03:26,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2020-07-21 17:03:26,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611002348] [2020-07-21 17:03:26,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-21 17:03:26,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 17:03:26,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-21 17:03:26,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=476, Unknown=3, NotChecked=0, Total=650 [2020-07-21 17:03:26,286 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 26 states. [2020-07-21 17:03:42,007 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 58 DAG size of output: 13 [2020-07-21 17:03:44,636 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-21 17:03:55,408 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-21 17:03:58,413 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-21 17:04:03,200 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2020-07-21 17:04:29,613 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 25 DAG size of output: 15 [2020-07-21 17:04:36,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 17:04:36,286 INFO L93 Difference]: Finished difference Result 104 states and 112 transitions. [2020-07-21 17:04:36,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-21 17:04:36,288 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 53 [2020-07-21 17:04:36,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 17:04:36,291 INFO L225 Difference]: With dead ends: 104 [2020-07-21 17:04:36,291 INFO L226 Difference]: Without dead ends: 101 [2020-07-21 17:04:36,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 82 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 47.1s TimeCoverageRelationStatistics Valid=595, Invalid=1653, Unknown=8, NotChecked=0, Total=2256 [2020-07-21 17:04:36,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-21 17:04:36,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2020-07-21 17:04:36,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-21 17:04:36,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2020-07-21 17:04:36,314 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 53 [2020-07-21 17:04:36,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 17:04:36,315 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2020-07-21 17:04:36,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-21 17:04:36,316 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2020-07-21 17:04:36,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 17:04:36,320 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 17:04:36,320 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 17:04:36,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 17:04:36,527 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 17:04:36,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 17:04:36,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1210189146, now seen corresponding path program 2 times [2020-07-21 17:04:36,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 17:04:36,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193490512] [2020-07-21 17:04:36,529 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 17:05:07,018 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 17:05:07,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 17:05:07,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 1163 conjuncts, 43 conjunts are in the unsatisfiable core [2020-07-21 17:05:07,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 17:05:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 17:05:07,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 17:05:32,515 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 239 refuted. 16 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 17:05:32,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193490512] [2020-07-21 17:05:32,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 17:05:32,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2020-07-21 17:05:32,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991151664] [2020-07-21 17:05:32,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-07-21 17:05:32,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 17:05:32,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-07-21 17:05:32,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=486, Invalid=1395, Unknown=11, NotChecked=0, Total=1892 [2020-07-21 17:05:32,522 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand 44 states. [2020-07-21 17:05:49,887 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 103 DAG size of output: 13 [2020-07-21 17:05:57,255 WARN L193 SmtUtils]: Spent 5.39 s on a formula simplification. DAG size of input: 105 DAG size of output: 15 [2020-07-21 17:06:07,514 WARN L193 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 95 DAG size of output: 15 [2020-07-21 17:06:17,760 WARN L193 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 90 DAG size of output: 15 [2020-07-21 17:06:41,065 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 15 [2020-07-21 17:06:50,047 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 15 [2020-07-21 17:07:11,987 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 80 DAG size of output: 15 [2020-07-21 17:07:16,791 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 15 [2020-07-21 17:07:24,603 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 15 [2020-07-21 17:07:38,332 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 15 [2020-07-21 17:07:47,018 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-21 17:07:54,626 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-21 17:07:57,105 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-21 17:08:04,625 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-21 17:08:14,709 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-21 17:08:23,805 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2020-07-21 17:08:41,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 17:08:41,953 INFO L93 Difference]: Finished difference Result 199 states and 217 transitions. [2020-07-21 17:08:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-21 17:08:41,955 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 98 [2020-07-21 17:08:41,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 17:08:41,959 INFO L225 Difference]: With dead ends: 199 [2020-07-21 17:08:41,960 INFO L226 Difference]: Without dead ends: 196 [2020-07-21 17:08:41,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 154 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1064 ImplicationChecksByTransitivity, 180.4s TimeCoverageRelationStatistics Valid=1908, Invalid=5382, Unknown=20, NotChecked=0, Total=7310 [2020-07-21 17:08:41,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-21 17:08:41,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 194. [2020-07-21 17:08:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-07-21 17:08:41,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 194 transitions. [2020-07-21 17:08:41,989 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 194 transitions. Word has length 98 [2020-07-21 17:08:41,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 17:08:41,990 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 194 transitions. [2020-07-21 17:08:41,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-07-21 17:08:41,990 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 194 transitions. [2020-07-21 17:08:41,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-21 17:08:41,995 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 17:08:41,996 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 17:08:42,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 17:08:42,211 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 17:08:42,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 17:08:42,212 INFO L82 PathProgramCache]: Analyzing trace with hash -470398281, now seen corresponding path program 3 times [2020-07-21 17:08:42,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 17:08:42,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [288473274] [2020-07-21 17:08:42,213 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in