/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec14_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 10:10:35,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 10:10:35,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 10:10:35,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 10:10:35,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 10:10:35,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 10:10:35,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 10:10:35,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 10:10:35,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 10:10:35,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 10:10:35,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 10:10:35,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 10:10:35,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 10:10:35,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 10:10:35,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 10:10:35,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 10:10:35,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 10:10:35,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 10:10:35,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 10:10:35,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 10:10:35,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 10:10:35,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 10:10:35,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 10:10:35,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 10:10:35,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 10:10:35,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 10:10:35,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 10:10:35,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 10:10:35,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 10:10:35,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 10:10:35,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 10:10:35,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 10:10:35,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 10:10:35,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 10:10:35,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 10:10:35,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 10:10:35,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 10:10:35,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 10:10:35,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 10:10:35,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 10:10:35,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 10:10:35,500 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 10:10:35,550 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 10:10:35,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 10:10:35,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 10:10:35,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 10:10:35,553 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 10:10:35,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 10:10:35,554 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 10:10:35,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 10:10:35,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 10:10:35,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 10:10:35,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 10:10:35,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 10:10:35,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 10:10:35,556 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 10:10:35,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 10:10:35,556 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 10:10:35,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 10:10:35,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 10:10:35,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 10:10:35,557 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 10:10:35,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 10:10:35,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 10:10:35,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 10:10:35,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 10:10:35,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 10:10:35,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 10:10:35,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 10:10:35,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 10:10:35,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 10:10:35,559 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 10:10:35,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 10:10:36,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 10:10:36,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 10:10:36,027 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 10:10:36,027 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 10:10:36,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product24.cil.c [2020-10-29 10:10:36,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea79a6e15/534fd756c5ce454b86133fa088fcd29a/FLAG77bf8ce98 [2020-10-29 10:10:36,934 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 10:10:36,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec14_product24.cil.c [2020-10-29 10:10:36,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea79a6e15/534fd756c5ce454b86133fa088fcd29a/FLAG77bf8ce98 [2020-10-29 10:10:37,120 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea79a6e15/534fd756c5ce454b86133fa088fcd29a [2020-10-29 10:10:37,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 10:10:37,136 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 10:10:37,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 10:10:37,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 10:10:37,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 10:10:37,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:10:37" (1/1) ... [2020-10-29 10:10:37,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e21ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:10:37, skipping insertion in model container [2020-10-29 10:10:37,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:10:37" (1/1) ... [2020-10-29 10:10:37,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 10:10:37,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 10:10:37,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:10:37,983 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 10:10:38,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:10:38,237 INFO L208 MainTranslator]: Completed translation [2020-10-29 10:10:38,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:10:38 WrapperNode [2020-10-29 10:10:38,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 10:10:38,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 10:10:38,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 10:10:38,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 10:10:38,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:10:38" (1/1) ... [2020-10-29 10:10:38,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:10:38" (1/1) ... [2020-10-29 10:10:38,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:10:38" (1/1) ... [2020-10-29 10:10:38,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:10:38" (1/1) ... [2020-10-29 10:10:38,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:10:38" (1/1) ... [2020-10-29 10:10:38,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:10:38" (1/1) ... [2020-10-29 10:10:38,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:10:38" (1/1) ... [2020-10-29 10:10:38,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 10:10:38,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 10:10:38,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 10:10:38,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 10:10:38,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:10:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-29 10:10:38,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 10:10:38,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 10:10:38,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 10:10:38,585 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 10:10:38,585 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-29 10:10:38,585 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-29 10:10:38,585 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-29 10:10:38,585 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-29 10:10:38,586 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-29 10:10:38,586 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-29 10:10:38,586 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-29 10:10:38,586 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-29 10:10:38,586 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 10:10:38,586 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-29 10:10:38,586 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-29 10:10:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-29 10:10:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 10:10:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-29 10:10:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 10:10:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 10:10:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 10:10:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 10:10:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2020-10-29 10:10:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-29 10:10:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-29 10:10:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-29 10:10:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-29 10:10:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-29 10:10:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-29 10:10:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-29 10:10:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-29 10:10:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-29 10:10:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-29 10:10:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-29 10:10:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-29 10:10:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-29 10:10:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-29 10:10:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-29 10:10:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-29 10:10:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-29 10:10:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-29 10:10:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-29 10:10:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-29 10:10:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-29 10:10:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-29 10:10:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-29 10:10:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-29 10:10:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-29 10:10:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-29 10:10:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-29 10:10:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 10:10:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-29 10:10:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-29 10:10:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-29 10:10:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-29 10:10:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-29 10:10:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-29 10:10:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-29 10:10:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-29 10:10:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-29 10:10:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-29 10:10:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-29 10:10:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-29 10:10:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-29 10:10:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 10:10:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 10:10:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 10:10:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 10:10:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 10:10:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 10:10:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 10:10:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 10:10:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 10:10:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 10:10:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-29 10:10:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-29 10:10:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-29 10:10:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-29 10:10:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-29 10:10:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 10:10:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 10:10:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 10:10:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 10:10:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 10:10:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 10:10:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 10:10:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-29 10:10:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-29 10:10:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-29 10:10:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-29 10:10:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-29 10:10:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-29 10:10:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-29 10:10:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-29 10:10:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-29 10:10:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 10:10:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-29 10:10:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-29 10:10:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-29 10:10:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 10:10:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-29 10:10:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-29 10:10:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-29 10:10:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-29 10:10:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-29 10:10:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 10:10:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-29 10:10:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 10:10:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 10:10:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 10:10:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 10:10:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 10:10:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 10:10:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 10:10:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 10:10:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-29 10:10:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-29 10:10:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-29 10:10:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-29 10:10:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2020-10-29 10:10:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 10:10:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-29 10:10:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-29 10:10:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-29 10:10:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-29 10:10:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-29 10:10:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-29 10:10:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-29 10:10:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-29 10:10:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-29 10:10:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-29 10:10:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-29 10:10:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-29 10:10:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-29 10:10:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-29 10:10:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-29 10:10:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-29 10:10:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-29 10:10:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-29 10:10:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-29 10:10:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-29 10:10:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-29 10:10:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-29 10:10:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-29 10:10:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-29 10:10:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-29 10:10:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-29 10:10:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-29 10:10:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-29 10:10:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-29 10:10:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-29 10:10:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-29 10:10:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-29 10:10:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-29 10:10:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 10:10:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 10:10:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 10:10:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 10:10:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 10:10:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 10:10:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 10:10:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 10:10:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 10:10:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 10:10:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 10:10:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 10:10:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 10:10:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 10:10:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 10:10:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 10:10:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-29 10:10:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-29 10:10:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 10:10:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 10:10:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 10:10:41,331 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 10:10:41,332 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-29 10:10:41,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:10:41 BoogieIcfgContainer [2020-10-29 10:10:41,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 10:10:41,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 10:10:41,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 10:10:41,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 10:10:41,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 10:10:37" (1/3) ... [2020-10-29 10:10:41,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352cb9a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:10:41, skipping insertion in model container [2020-10-29 10:10:41,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:10:38" (2/3) ... [2020-10-29 10:10:41,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352cb9a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:10:41, skipping insertion in model container [2020-10-29 10:10:41,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:10:41" (3/3) ... [2020-10-29 10:10:41,348 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product24.cil.c [2020-10-29 10:10:41,361 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 10:10:41,368 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 10:10:41,382 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 10:10:41,428 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 10:10:41,429 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 10:10:41,429 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 10:10:41,429 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 10:10:41,429 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 10:10:41,429 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 10:10:41,429 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 10:10:41,429 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 10:10:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states. [2020-10-29 10:10:41,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-29 10:10:41,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:10:41,507 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, 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] [2020-10-29 10:10:41,508 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:10:41,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:10:41,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1316840659, now seen corresponding path program 1 times [2020-10-29 10:10:41,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:10:41,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277707247] [2020-10-29 10:10:41,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:10:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:42,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:42,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:42,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:43,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:47,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:47,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-29 10:10:47,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:10:47,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-29 10:10:47,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:47,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:47,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:10:47,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:10:47,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-29 10:10:47,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 10:10:48,271 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:10:48,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:10:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:48,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:48,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:48,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:48,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:48,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-29 10:10:48,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:48,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:48,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:48,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:48,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:10:48,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:48,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:10:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:48,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:48,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:48,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:10:48,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:48,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:10:48,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:48,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:48,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:48,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:48,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:10:48,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:10:48,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:10:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:48,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:48,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:48,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:10:48,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:48,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:10:48,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:48,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:48,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:48,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:48,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:10:48,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 10:10:48,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:10:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:48,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:48,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:48,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:48,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:48,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:10:48,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:48,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:48,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:48,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:48,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:10:48,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:10:48,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:10:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:48,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:48,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:48,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:10:48,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:48,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:10:48,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:48,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:48,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:48,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:48,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:10:48,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:10:48,773 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 10:10:48,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:10:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:48,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:48,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:48,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:48,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:49,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:49,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:49,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 10:10:49,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:10:49,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 742 [2020-10-29 10:10:49,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:49,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:49,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:49,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:49,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 10:10:49,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:10:49,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:10:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:49,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:49,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:49,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:49,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:10:49,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:10:49,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:10:49,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:49,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:10:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:10:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:10:49,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:10:49,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:10:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:49,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:49,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:49,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:49,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:10:49,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:10:49,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 10:10:49,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:49,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:49,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:10:49,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:10:49,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 10:10:49,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:49,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:10:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:49,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:49,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:49,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:10:49,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:49,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:10:49,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:49,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:49,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:49,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:49,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:10:49,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:10:49,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 10:10:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:49,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:49,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:49,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:49,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:49,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:10:49,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:49,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:10:49,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:49,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 10:10:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:49,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:49,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:49,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 10:10:49,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:49,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 10:10:49,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:49,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:49,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:10:49,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 10:10:49,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 10:10:49,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:49,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:10:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:49,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:49,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:49,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:10:49,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:49,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:10:49,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:49,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:49,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:10:49,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:49,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:10:49,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 10:10:49,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 10:10:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:49,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:49,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:49,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:49,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:49,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:10:49,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:49,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:49,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:10:49,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:10:49,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:10:49,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 10:10:49,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 10:10:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:49,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:49,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:49,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:49,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:49,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:10:49,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:49,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:49,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:10:49,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:10:49,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:10:49,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:49,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 10:10:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:49,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:49,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:49,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:49,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:49,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:10:49,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:49,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:49,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:10:49,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:10:49,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:10:49,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:10:49,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277707247] [2020-10-29 10:10:49,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:10:49,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-29 10:10:49,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696277907] [2020-10-29 10:10:49,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 10:10:49,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:10:49,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 10:10:49,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-29 10:10:49,940 INFO L87 Difference]: Start difference. First operand 786 states. Second operand 14 states. [2020-10-29 10:10:52,117 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:10:53,796 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:10:54,956 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:10:56,346 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:10:58,070 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:10:59,378 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:00,526 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:11:08,080 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:11,630 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:14,050 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:15,203 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:11:25,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:11:25,240 INFO L93 Difference]: Finished difference Result 1562 states and 2638 transitions. [2020-10-29 10:11:25,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 10:11:25,243 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 88 [2020-10-29 10:11:25,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:11:25,280 INFO L225 Difference]: With dead ends: 1562 [2020-10-29 10:11:25,281 INFO L226 Difference]: Without dead ends: 916 [2020-10-29 10:11:25,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=195, Invalid=675, Unknown=0, NotChecked=0, Total=870 [2020-10-29 10:11:25,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2020-10-29 10:11:25,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 676. [2020-10-29 10:11:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-10-29 10:11:25,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1074 transitions. [2020-10-29 10:11:25,642 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1074 transitions. Word has length 88 [2020-10-29 10:11:25,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:11:25,643 INFO L481 AbstractCegarLoop]: Abstraction has 676 states and 1074 transitions. [2020-10-29 10:11:25,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 10:11:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1074 transitions. [2020-10-29 10:11:25,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-29 10:11:25,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:11:25,649 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, 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] [2020-10-29 10:11:25,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 10:11:25,649 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:11:25,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:11:25,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1522787694, now seen corresponding path program 1 times [2020-10-29 10:11:25,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:11:25,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915455929] [2020-10-29 10:11:25,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:11:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:25,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:25,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:25,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:26,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:28,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:30,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:30,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-29 10:11:30,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:11:30,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 10:11:30,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:30,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:30,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:11:30,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:11:30,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 10:11:30,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:31,918 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:11:31,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:11:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:31,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:32,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:32,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:11:32,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:32,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-29 10:11:32,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:32,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:11:32,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:32,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:11:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:32,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:32,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:32,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:11:32,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:32,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:11:32,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:32,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:32,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:32,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:32,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:11:32,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:32,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:11:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:32,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:32,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:32,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:11:32,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:32,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:11:32,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:32,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:32,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:32,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:32,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:11:32,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:32,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:11:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:32,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:32,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:32,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:11:32,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:32,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:11:32,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:32,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:32,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:32,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:32,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:11:32,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:32,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:11:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:32,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:32,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:32,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:11:32,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:32,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:11:32,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:32,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:32,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:32,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:32,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:11:32,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:32,268 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 10:11:32,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:11:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:32,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:32,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:32,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:32,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:32,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:33,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:33,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 10:11:33,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:11:33,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 747 [2020-10-29 10:11:33,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:33,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:33,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:33,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:33,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 10:11:33,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:33,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:11:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:33,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:33,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:33,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:33,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:11:33,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:11:33,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:11:33,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:33,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:33,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:11:33,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:11:33,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:11:33,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:11:33,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 10:11:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:33,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:33,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:33,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:33,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 10:11:33,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:11:33,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 10:11:33,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:33,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:33,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:11:33,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:11:33,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 10:11:33,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:33,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 10:11:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:33,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:33,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:33,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:11:33,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:33,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:11:33,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:33,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:33,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:33,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:33,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:11:33,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:33,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 10:11:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:33,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:33,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:33,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:11:33,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:33,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:11:33,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:33,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:11:33,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:33,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 10:11:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:33,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:33,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:33,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:11:33,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:33,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 10:11:33,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:33,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:33,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:11:33,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 10:11:33,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 10:11:33,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:11:33,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:11:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:33,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:33,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:33,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:11:33,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:33,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:11:33,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:33,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:33,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:11:33,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:33,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 10:11:33,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:11:33,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 10:11:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:33,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:33,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:33,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:11:33,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:33,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:11:33,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:33,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:33,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:11:33,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:11:33,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:11:33,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:33,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 10:11:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:33,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:33,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:33,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:11:33,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:33,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:11:33,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:33,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:33,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:11:33,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:11:33,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:11:33,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:33,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 10:11:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:33,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:33,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:33,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:11:33,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:33,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:11:33,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:33,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:33,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:11:33,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:11:33,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:11:33,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:11:33,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:11:33,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915455929] [2020-10-29 10:11:33,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:11:33,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 10:11:33,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991737418] [2020-10-29 10:11:33,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 10:11:33,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:11:33,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 10:11:33,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-29 10:11:33,357 INFO L87 Difference]: Start difference. First operand 676 states and 1074 transitions. Second operand 13 states. [2020-10-29 10:11:35,317 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:11:36,786 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:37,994 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:11:39,416 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:40,978 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:11:42,237 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:11:43,442 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:11:51,148 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:11:54,621 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:56,484 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:57,647 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:12:07,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:12:07,660 INFO L93 Difference]: Finished difference Result 1569 states and 2645 transitions. [2020-10-29 10:12:07,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 10:12:07,661 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 91 [2020-10-29 10:12:07,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:12:07,673 INFO L225 Difference]: With dead ends: 1569 [2020-10-29 10:12:07,673 INFO L226 Difference]: Without dead ends: 921 [2020-10-29 10:12:07,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=176, Invalid=636, Unknown=0, NotChecked=0, Total=812 [2020-10-29 10:12:07,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-10-29 10:12:07,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 681. [2020-10-29 10:12:07,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 681 states. [2020-10-29 10:12:07,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 1073 transitions. [2020-10-29 10:12:07,920 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 1073 transitions. Word has length 91 [2020-10-29 10:12:07,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:12:07,921 INFO L481 AbstractCegarLoop]: Abstraction has 681 states and 1073 transitions. [2020-10-29 10:12:07,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 10:12:07,921 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 1073 transitions. [2020-10-29 10:12:07,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-29 10:12:07,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:12:07,925 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, 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] [2020-10-29 10:12:07,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 10:12:07,925 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:12:07,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:12:07,926 INFO L82 PathProgramCache]: Analyzing trace with hash 153669736, now seen corresponding path program 1 times [2020-10-29 10:12:07,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:12:07,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1735115076] [2020-10-29 10:12:07,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:12:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:08,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:11,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:11,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:12,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:13,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:13,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-29 10:12:13,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 10:12:13,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5521 [2020-10-29 10:12:13,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:13,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:13,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:12:13,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:12:13,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 10:12:13,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:14,735 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:12:14,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:12:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:14,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:14,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:14,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:14,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:14,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-29 10:12:14,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:14,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:14,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:14,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:14,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:12:14,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:14,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:12:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:14,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:14,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:14,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:12:14,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:14,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:14,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:14,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:14,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:14,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:14,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:12:14,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:14,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:12:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:14,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:14,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:14,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:12:14,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:14,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:14,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:14,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:14,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:14,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:14,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:12:14,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:14,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:12:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:14,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:14,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:14,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:15,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:15,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:12:15,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:15,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:12:15,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:15,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:12:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:15,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:15,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:12:15,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:15,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:15,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:15,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:15,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:15,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:15,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:12:15,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:15,146 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 10:12:15,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:12:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:15,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:15,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 10:12:15,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:12:15,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 671 [2020-10-29 10:12:15,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:15,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:15,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:15,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-29 10:12:15,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:15,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:12:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:15,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:15,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:12:15,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:12:15,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:12:15,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:15,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:15,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:12:15,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:12:15,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 10:12:15,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:15,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:12:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:15,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:15,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 10:12:15,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:12:15,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 10:12:15,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:15,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:12:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:12:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 10:12:15,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:15,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 10:12:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:15,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:15,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:12:15,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:15,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:12:15,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:15,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:12:15,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:15,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 10:12:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:15,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:15,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:15,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:15,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:15,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:15,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:15,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:15,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:15,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:12:15,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:15,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 10:12:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:15,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:15,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 10:12:15,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:15,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:12:15,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:15,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:15,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:12:15,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 10:12:15,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 10:12:16,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:16,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:12:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:16,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:16,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:16,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:12:16,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:16,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:12:16,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:16,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:16,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:12:16,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:16,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 10:12:16,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:16,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 10:12:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:16,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:16,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:16,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:16,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:16,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:12:16,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:16,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:16,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:12:16,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:12:16,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:12:16,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:16,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 10:12:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:16,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:16,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:16,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:16,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:16,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:16,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:16,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:16,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:12:16,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:12:16,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:12:16,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:16,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 10:12:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:16,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:16,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:16,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:16,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:16,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:16,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:16,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:16,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:12:16,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:12:16,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:12:16,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:16,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:12:16,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1735115076] [2020-10-29 10:12:16,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:12:16,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 10:12:16,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721375288] [2020-10-29 10:12:16,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 10:12:16,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:12:16,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 10:12:16,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-29 10:12:16,123 INFO L87 Difference]: Start difference. First operand 681 states and 1073 transitions. Second operand 13 states. [2020-10-29 10:12:19,065 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:12:20,495 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:12:21,671 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:12:22,999 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:12:24,556 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:12:25,850 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:12:27,055 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:12:34,999 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:12:38,318 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:12:40,016 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:12:41,177 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:12:53,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:12:53,218 INFO L93 Difference]: Finished difference Result 1580 states and 2643 transitions. [2020-10-29 10:12:53,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 10:12:53,219 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-10-29 10:12:53,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:12:53,229 INFO L225 Difference]: With dead ends: 1580 [2020-10-29 10:12:53,230 INFO L226 Difference]: Without dead ends: 927 [2020-10-29 10:12:53,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=176, Invalid=636, Unknown=0, NotChecked=0, Total=812 [2020-10-29 10:12:53,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2020-10-29 10:12:53,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 687. [2020-10-29 10:12:53,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-10-29 10:12:53,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 1073 transitions. [2020-10-29 10:12:53,450 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 1073 transitions. Word has length 94 [2020-10-29 10:12:53,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:12:53,450 INFO L481 AbstractCegarLoop]: Abstraction has 687 states and 1073 transitions. [2020-10-29 10:12:53,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 10:12:53,450 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1073 transitions. [2020-10-29 10:12:53,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-29 10:12:53,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:12:53,453 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, 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] [2020-10-29 10:12:53,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 10:12:53,453 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:12:53,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:12:53,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1586201523, now seen corresponding path program 1 times [2020-10-29 10:12:53,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:12:53,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [826905788] [2020-10-29 10:12:53,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:12:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:53,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:53,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:53,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:53,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:56,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:56,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:58,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:59,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:59,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-29 10:12:59,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 10:12:59,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5545 [2020-10-29 10:12:59,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:59,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:59,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:12:59,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:12:59,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 10:12:59,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:13:00,457 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:13:00,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:13:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:00,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:00,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:00,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:00,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:00,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-29 10:13:00,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:00,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:00,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:00,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:00,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:13:00,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:00,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:13:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:00,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:00,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:00,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:13:00,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:00,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:00,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:00,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:00,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:00,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:00,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:13:00,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:00,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:13:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:00,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:00,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:00,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:13:00,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:00,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:00,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:00,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:13:00,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:00,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:13:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:00,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:00,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:00,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:00,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:00,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:00,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:00,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:13:00,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:00,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:13:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:00,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:00,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:00,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:13:00,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:00,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:00,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:00,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:13:00,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:00,771 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 10:13:00,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:13:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:00,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:00,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:00,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:00,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:01,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:01,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:01,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-29 10:13:01,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:13:01,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 736 [2020-10-29 10:13:01,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:01,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:01,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 10:13:01,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:01,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:13:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:01,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:01,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:01,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:01,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 10:13:01,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:13:01,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:13:01,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:01,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:01,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:13:01,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:13:01,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 10:13:01,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:01,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 10:13:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:01,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:01,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:01,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:01,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 10:13:01,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:13:01,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 10:13:01,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:01,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:01,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:13:01,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:13:01,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 10:13:01,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:01,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:13:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:01,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:01,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:01,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:13:01,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:01,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:13:01,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:01,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:01,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:01,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:01,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:13:01,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:01,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 10:13:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:01,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:01,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:01,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:01,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:01,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:01,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:01,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:01,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:01,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:01,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:13:01,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:01,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 10:13:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:01,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:01,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:01,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 10:13:01,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:01,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 10:13:01,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:01,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:01,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:13:01,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 10:13:01,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 10:13:01,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:01,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:13:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:01,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:01,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:01,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 10:13:01,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:01,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:13:01,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:01,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:13:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:01,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 10:13:01,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:01,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 10:13:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:01,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:01,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:01,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:01,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:01,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:01,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:01,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:01,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:13:01,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:13:01,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:13:01,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:01,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 10:13:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:01,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:01,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:01,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:01,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:01,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:13:01,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:01,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:01,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:13:01,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:13:01,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:13:01,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:01,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 10:13:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:01,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:01,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:01,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:01,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:01,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:01,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:01,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:01,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:13:01,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:13:01,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:13:01,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:13:01,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [826905788] [2020-10-29 10:13:01,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:13:01,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 10:13:01,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108585237] [2020-10-29 10:13:01,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 10:13:01,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:13:01,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 10:13:01,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-29 10:13:01,816 INFO L87 Difference]: Start difference. First operand 687 states and 1073 transitions. Second operand 13 states. [2020-10-29 10:13:04,254 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:13:05,712 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:13:06,896 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:13:08,219 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:13:09,763 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:13:11,024 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:13:12,256 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:13:20,581 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:13:23,683 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:13:25,424 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:13:26,591 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:13:38,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:13:38,818 INFO L93 Difference]: Finished difference Result 1593 states and 2643 transitions. [2020-10-29 10:13:38,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 10:13:38,819 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 97 [2020-10-29 10:13:38,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:13:38,828 INFO L225 Difference]: With dead ends: 1593 [2020-10-29 10:13:38,828 INFO L226 Difference]: Without dead ends: 934 [2020-10-29 10:13:38,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=176, Invalid=636, Unknown=0, NotChecked=0, Total=812 [2020-10-29 10:13:38,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2020-10-29 10:13:38,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 694. [2020-10-29 10:13:39,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2020-10-29 10:13:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 1074 transitions. [2020-10-29 10:13:39,005 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 1074 transitions. Word has length 97 [2020-10-29 10:13:39,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:13:39,005 INFO L481 AbstractCegarLoop]: Abstraction has 694 states and 1074 transitions. [2020-10-29 10:13:39,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 10:13:39,005 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1074 transitions. [2020-10-29 10:13:39,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-29 10:13:39,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:13:39,008 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, 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] [2020-10-29 10:13:39,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 10:13:39,008 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:13:39,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:13:39,009 INFO L82 PathProgramCache]: Analyzing trace with hash -248623060, now seen corresponding path program 1 times [2020-10-29 10:13:39,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:13:39,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096877671] [2020-10-29 10:13:39,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:13:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:39,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:39,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:39,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:39,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:42,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:44,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:44,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-29 10:13:44,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:13:44,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 10:13:44,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:44,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:44,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 10:13:44,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:13:44,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 10:13:44,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:45,215 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:13:45,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:13:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:45,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:45,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:45,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:45,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:45,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-29 10:13:45,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:45,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:45,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:45,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:45,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:13:45,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:45,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:13:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:45,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:45,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:45,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:13:45,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:45,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:45,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:45,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:45,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:45,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:45,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:13:45,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:45,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:13:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:45,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:45,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:45,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:13:45,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:45,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:45,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:45,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:13:45,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:45,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:13:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:45,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:45,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:45,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:45,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:45,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:13:45,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:45,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:45,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:45,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:45,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:13:45,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:45,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:13:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:45,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:45,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:45,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:13:45,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:45,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:45,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:45,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:45,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:45,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:45,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:13:45,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:45,509 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 10:13:45,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:13:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:45,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:45,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:45,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:45,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:46,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:46,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 10:13:46,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:13:46,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 517 [2020-10-29 10:13:46,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:46,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:46,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:46,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:46,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-29 10:13:46,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:46,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:13:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:46,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:46,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:46,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:46,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 10:13:46,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:13:46,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:13:46,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:46,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:13:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:13:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 10:13:46,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:46,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-29 10:13:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:46,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:46,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:46,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:46,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 10:13:46,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:13:46,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 10:13:46,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:46,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:46,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:13:46,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 10:13:46,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 10:13:46,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:46,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:13:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:46,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:46,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:46,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:13:46,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:46,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 10:13:46,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:46,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:13:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:13:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:13:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:46,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 10:13:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:46,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:46,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:46,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:46,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:46,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:13:46,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:46,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:13:46,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:46,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 10:13:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:46,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:46,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:46,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 10:13:46,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:46,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:13:46,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:46,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:46,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:13:46,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 10:13:46,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:13:46,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:46,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:13:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:46,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:46,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:46,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 10:13:46,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:46,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:46,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:46,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:13:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:13:46,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:46,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 10:13:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:46,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:46,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:46,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:46,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:46,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:13:46,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:46,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:46,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:13:46,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:13:46,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:13:46,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:46,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 10:13:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:46,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:46,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:46,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:46,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:46,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:46,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:46,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:46,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:13:46,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:13:46,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:13:46,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:46,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 10:13:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:46,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:46,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:46,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:46,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:46,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:13:46,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:46,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:46,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:13:46,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:13:46,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:13:46,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:46,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:13:46,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096877671] [2020-10-29 10:13:46,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:13:46,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 10:13:46,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640458413] [2020-10-29 10:13:46,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 10:13:46,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:13:46,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 10:13:46,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-29 10:13:46,373 INFO L87 Difference]: Start difference. First operand 694 states and 1074 transitions. Second operand 11 states. [2020-10-29 10:13:48,604 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-29 10:13:50,152 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:13:51,436 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:13:52,935 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-29 10:13:54,393 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:13:55,540 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 10:14:13,560 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:14:16,999 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:14:18,180 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:14:19,622 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:14:20,879 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406