/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=0.2 --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 -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 00:36:47,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 00:36:47,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 00:36:47,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 00:36:47,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 00:36:47,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 00:36:47,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 00:36:47,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 00:36:48,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 00:36:48,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 00:36:48,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 00:36:48,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 00:36:48,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 00:36:48,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 00:36:48,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 00:36:48,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 00:36:48,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 00:36:48,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 00:36:48,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 00:36:48,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 00:36:48,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 00:36:48,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 00:36:48,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 00:36:48,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 00:36:48,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 00:36:48,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 00:36:48,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 00:36:48,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 00:36:48,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 00:36:48,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 00:36:48,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 00:36:48,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 00:36:48,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 00:36:48,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 00:36:48,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 00:36:48,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 00:36:48,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 00:36:48,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 00:36:48,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 00:36:48,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 00:36:48,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 00:36:48,054 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 [2020-10-15 00:36:48,105 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 00:36:48,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 00:36:48,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 00:36:48,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 00:36:48,107 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 00:36:48,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 00:36:48,107 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 00:36:48,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 00:36:48,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 00:36:48,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 00:36:48,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 00:36:48,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 00:36:48,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 00:36:48,109 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 00:36:48,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 00:36:48,109 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 00:36:48,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 00:36:48,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 00:36:48,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 00:36:48,110 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 00:36:48,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 00:36:48,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 00:36:48,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 00:36:48,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 00:36:48,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 00:36:48,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 00:36:48,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 00:36:48,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 00:36:48,113 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 00:36:48,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> 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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 00:36:48,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 00:36:48,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 00:36:48,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 00:36:48,450 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 00:36:48,451 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 00:36:48,452 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product26.cil.c [2020-10-15 00:36:48,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/14f86defd/aa9653bcbd72425d94dec79544434d4c/FLAGfb0fe995d [2020-10-15 00:36:49,211 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 00:36:49,212 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product26.cil.c [2020-10-15 00:36:49,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/14f86defd/aa9653bcbd72425d94dec79544434d4c/FLAGfb0fe995d [2020-10-15 00:36:49,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/14f86defd/aa9653bcbd72425d94dec79544434d4c [2020-10-15 00:36:49,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 00:36:49,428 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 00:36:49,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 00:36:49,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 00:36:49,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 00:36:49,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:36:49" (1/1) ... [2020-10-15 00:36:49,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d7d7c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:36:49, skipping insertion in model container [2020-10-15 00:36:49,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:36:49" (1/1) ... [2020-10-15 00:36:49,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 00:36:49,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 00:36:50,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:36:50,253 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 00:36:50,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:36:50,525 INFO L208 MainTranslator]: Completed translation [2020-10-15 00:36:50,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:36:50 WrapperNode [2020-10-15 00:36:50,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 00:36:50,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 00:36:50,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 00:36:50,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 00:36:50,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:36:50" (1/1) ... [2020-10-15 00:36:50,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:36:50" (1/1) ... [2020-10-15 00:36:50,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:36:50" (1/1) ... [2020-10-15 00:36:50,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:36:50" (1/1) ... [2020-10-15 00:36:50,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:36:50" (1/1) ... [2020-10-15 00:36:50,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:36:50" (1/1) ... [2020-10-15 00:36:50,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:36:50" (1/1) ... [2020-10-15 00:36:50,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 00:36:50,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 00:36:50,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 00:36:50,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 00:36:50,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:36:50" (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 [2020-10-15 00:36:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 00:36:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 00:36:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 00:36:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 00:36:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-15 00:36:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-15 00:36:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-15 00:36:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-15 00:36:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-15 00:36:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-15 00:36:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-15 00:36:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-15 00:36:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-15 00:36:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-15 00:36:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 00:36:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-15 00:36:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-15 00:36:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-15 00:36:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 00:36:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-15 00:36:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 00:36:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 00:36:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 00:36:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-15 00:36:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-15 00:36:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-15 00:36:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-15 00:36:50,798 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-15 00:36:50,798 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-15 00:36:50,798 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-15 00:36:50,798 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-15 00:36:50,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-15 00:36:50,798 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-15 00:36:50,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-15 00:36:50,799 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-15 00:36:50,799 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-15 00:36:50,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-15 00:36:50,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-15 00:36:50,799 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-15 00:36:50,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-15 00:36:50,800 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-15 00:36:50,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-15 00:36:50,800 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-15 00:36:50,800 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-15 00:36:50,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-15 00:36:50,801 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-15 00:36:50,801 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2020-10-15 00:36:50,801 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 00:36:50,802 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__empty [2020-10-15 00:36:50,802 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-15 00:36:50,802 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-15 00:36:50,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 00:36:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 00:36:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 00:36:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 00:36:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 00:36:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 00:36:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-15 00:36:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-15 00:36:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-15 00:36:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-15 00:36:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-15 00:36:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-15 00:36:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-15 00:36:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-15 00:36:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-15 00:36:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-15 00:36:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-15 00:36:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 00:36:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 00:36:50,807 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 00:36:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 00:36:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 00:36:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-15 00:36:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-15 00:36:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 00:36:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 00:36:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-15 00:36:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-15 00:36:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-15 00:36:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 00:36:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 00:36:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-15 00:36:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-15 00:36:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 00:36:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-15 00:36:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-15 00:36:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-15 00:36:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-15 00:36:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-15 00:36:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-15 00:36:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-15 00:36:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-15 00:36:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-15 00:36:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-15 00:36:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-15 00:36:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-15 00:36:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-15 00:36:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-15 00:36:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-15 00:36:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-15 00:36:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 00:36:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-15 00:36:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 00:36:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 00:36:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 00:36:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 00:36:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 00:36:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 00:36:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 00:36:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-15 00:36:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-15 00:36:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-15 00:36:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-15 00:36:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-15 00:36:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-15 00:36:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-15 00:36:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-15 00:36:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-15 00:36:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-15 00:36:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-15 00:36:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-15 00:36:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-15 00:36:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-15 00:36:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-15 00:36:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-15 00:36:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-15 00:36:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-15 00:36:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-15 00:36:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-15 00:36:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-15 00:36:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-15 00:36:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-15 00:36:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-15 00:36:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-15 00:36:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-15 00:36:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-15 00:36:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2020-10-15 00:36:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-15 00:36:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-15 00:36:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__empty [2020-10-15 00:36:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 00:36:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-15 00:36:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 00:36:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 00:36:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 00:36:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 00:36:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 00:36:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 00:36:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 00:36:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 00:36:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 00:36:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 00:36:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 00:36:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 00:36:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 00:36:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 00:36:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 00:36:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 00:36:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-15 00:36:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 00:36:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 00:36:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 00:36:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 00:36:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 00:36:52,946 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 00:36:52,946 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-15 00:36:52,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:36:52 BoogieIcfgContainer [2020-10-15 00:36:52,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 00:36:52,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 00:36:52,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 00:36:52,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 00:36:52,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:36:49" (1/3) ... [2020-10-15 00:36:52,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b33228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:36:52, skipping insertion in model container [2020-10-15 00:36:52,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:36:50" (2/3) ... [2020-10-15 00:36:52,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b33228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:36:52, skipping insertion in model container [2020-10-15 00:36:52,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:36:52" (3/3) ... [2020-10-15 00:36:52,964 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product26.cil.c [2020-10-15 00:36:52,977 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 00:36:52,986 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 00:36:53,001 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 00:36:53,033 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 00:36:53,033 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 00:36:53,033 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 00:36:53,033 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 00:36:53,034 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 00:36:53,034 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 00:36:53,034 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 00:36:53,034 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 00:36:53,073 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states. [2020-10-15 00:36:53,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-15 00:36:53,087 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:36:53,088 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] [2020-10-15 00:36:53,089 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:36:53,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:36:53,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1751841435, now seen corresponding path program 1 times [2020-10-15 00:36:53,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:36:53,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626764909] [2020-10-15 00:36:53,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:36:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:53,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:55,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:55,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:55,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:55,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:58,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:58,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:58,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-15 00:36:58,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 00:36:58,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-15 00:36:58,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:58,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 00:36:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:36:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-15 00:36:58,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 00:36:59,738 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-15 00:36:59,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:36:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:59,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:59,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:59,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:36:59,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:59,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-15 00:36:59,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:59,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:59,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:36:59,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:59,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:36:59,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:59,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:36:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:59,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:59,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:59,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:36:59,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:59,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:36:59,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:59,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:59,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:36:59,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:59,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 00:36:59,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:00,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:37:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:00,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:00,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:00,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:37:00,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:00,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:37:00,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:00,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:00,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:37:00,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:00,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 00:37:00,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:00,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:37:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:00,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:00,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:00,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:37:00,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:00,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:37:00,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:00,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:37:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:37:00,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:00,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 00:37:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:00,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:00,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:00,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:37:00,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:00,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:37:00,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:00,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:00,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:37:00,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:00,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 00:37:00,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:00,196 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-15 00:37:00,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 00:37:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:00,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:00,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:00,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:37:00,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:00,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-15 00:37:00,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:00,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:00,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:37:00,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:00,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 00:37:00,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:37:00,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:37:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:00,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:00,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:00,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:37:00,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:00,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:37:00,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:00,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:00,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:00,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:00,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 00:37:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:00,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:00,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:00,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:00,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:00,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 00:37:00,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:37:00,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-10-15 00:37:00,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:00,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:00,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:37:00,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 00:37:00,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:00,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:37:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:00,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:00,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:00,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:37:00,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:00,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:37:00,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:00,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:00,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:00,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:00,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 00:37:00,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 00:37:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:00,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:00,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:00,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:37:00,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:00,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 00:37:00,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:00,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:00,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:00,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:00,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:00,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:00,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 00:37:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:00,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:00,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:00,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:37:00,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:00,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:37:00,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:00,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:00,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:00,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:00,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:00,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 00:37:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:00,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:00,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:00,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 00:37:00,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:00,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 00:37:00,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:00,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:00,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:37:00,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:00,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 00:37:00,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:00,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:37:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:00,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:00,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:00,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:37:00,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:00,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:37:00,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:00,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:00,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:00,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:00,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:37:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:00,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:00,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:00,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:37:00,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:00,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:37:00,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:00,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:00,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:00,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:00,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:00,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:00,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 00:37:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:00,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:01,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:01,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:37:01,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:01,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 00:37:01,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:01,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:01,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:37:01,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:37:01,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:01,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-15 00:37:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:01,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:01,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:01,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:37:01,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:01,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:37:01,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:01,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:37:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:01,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:01,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 00:37:01,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626764909] [2020-10-15 00:37:01,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:37:01,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 00:37:01,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431039095] [2020-10-15 00:37:01,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 00:37:01,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:37:01,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 00:37:01,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-15 00:37:01,108 INFO L87 Difference]: Start difference. First operand 797 states. Second operand 8 states. [2020-10-15 00:37:02,474 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-15 00:37:03,928 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-15 00:37:04,717 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-15 00:37:10,352 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 00:37:32,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:37:32,801 INFO L93 Difference]: Finished difference Result 2316 states and 4085 transitions. [2020-10-15 00:37:32,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 00:37:32,804 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-10-15 00:37:32,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:37:32,850 INFO L225 Difference]: With dead ends: 2316 [2020-10-15 00:37:32,851 INFO L226 Difference]: Without dead ends: 1673 [2020-10-15 00:37:32,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2020-10-15 00:37:32,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2020-10-15 00:37:33,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1153. [2020-10-15 00:37:33,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2020-10-15 00:37:33,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1878 transitions. [2020-10-15 00:37:33,277 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1878 transitions. Word has length 93 [2020-10-15 00:37:33,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:37:33,278 INFO L479 AbstractCegarLoop]: Abstraction has 1153 states and 1878 transitions. [2020-10-15 00:37:33,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 00:37:33,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1878 transitions. [2020-10-15 00:37:33,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-15 00:37:33,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:37:33,288 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:37:33,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 00:37:33,289 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:37:33,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:37:33,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1914941231, now seen corresponding path program 1 times [2020-10-15 00:37:33,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:37:33,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1337577192] [2020-10-15 00:37:33,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:37:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:33,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:33,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:33,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:34,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:35,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:36,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:37,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:37,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:38,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:38,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-15 00:37:38,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 00:37:38,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-15 00:37:38,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:38,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 00:37:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:37:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-15 00:37:38,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:39,220 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-15 00:37:39,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:37:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:39,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:39,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:39,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:37:39,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:39,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-15 00:37:39,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:39,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:39,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:37:39,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:39,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:37:39,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:37:39,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:37:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:39,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:39,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:39,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:37:39,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:39,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:37:39,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:39,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:37:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:39,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 00:37:39,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:39,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:37:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:39,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:39,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:39,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:37:39,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:39,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:37:39,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:39,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:37:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 00:37:39,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:39,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:37:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:39,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:39,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:39,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:37:39,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:39,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:37:39,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:39,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:37:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:37:39,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 00:37:39,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 00:37:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:39,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:39,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:39,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:37:39,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:39,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:37:39,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:39,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:39,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:37:39,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:39,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 00:37:39,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:39,617 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-15 00:37:39,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 00:37:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:39,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:39,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:39,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:37:39,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:39,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-15 00:37:39,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:39,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:39,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:37:39,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 00:37:39,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:37:39,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:37:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:39,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:39,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:39,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:37:39,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:39,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:37:39,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:39,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:39,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:39,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:39,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:39,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:39,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 00:37:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:39,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:39,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:39,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:40,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 00:37:40,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:37:40,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 452 [2020-10-15 00:37:40,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:40,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:37:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 00:37:40,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 00:37:40,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:37:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:40,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:40,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:37:40,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:40,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:37:40,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:40,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:40,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:40,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:40,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:40,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:40,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 00:37:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:40,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:40,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:37:40,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:40,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 00:37:40,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:40,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:40,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:40,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:40,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:40,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 00:37:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:40,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:40,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:37:40,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:40,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:37:40,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:40,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:40,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:40,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:40,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:40,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:40,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 00:37:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:40,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:40,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 00:37:40,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:40,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 00:37:40,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:40,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:37:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 00:37:40,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:40,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:37:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:40,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:40,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:37:40,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:40,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:37:40,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:40,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:40,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:40,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:40,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:40,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:40,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:37:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:40,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:40,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:37:40,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:40,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:37:40,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:40,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:40,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:40,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:40,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:40,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:40,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 00:37:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:40,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:40,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:37:40,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:40,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:37:40,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:40,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:40,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:37:40,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:40,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:37:40,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:40,621 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-15 00:37:40,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-15 00:37:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:40,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:40,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 00:37:40,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:37:40,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-15 00:37:40,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:40,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:40,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:37:40,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-15 00:37:40,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:37:40,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:40,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:37:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:40,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:40,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:37:40,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:40,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:37:40,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:40,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:40,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:40,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:40,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:40,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:40,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:37:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:40,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:40,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:37:40,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:40,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:37:40,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:40,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:40,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:40,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:40,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:40,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:40,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 00:37:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:40,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:40,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:37:40,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:40,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:37:40,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:40,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:40,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:37:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:37:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:37:40,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:40,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 00:37:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:40,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:40,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:37:40,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:40,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:37:40,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:40,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:40,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:40,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 00:37:40,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:40,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:40,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-15 00:37:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:37:40,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:37:40,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:37:40,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:37:40,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:37:40,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:37:40,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:37:40,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:37:40,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:37:40,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:37:40,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:37:40,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:37:41,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 00:37:41,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1337577192] [2020-10-15 00:37:41,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:37:41,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-15 00:37:41,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213920309] [2020-10-15 00:37:41,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 00:37:41,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:37:41,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 00:37:41,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-15 00:37:41,134 INFO L87 Difference]: Start difference. First operand 1153 states and 1878 transitions. Second operand 16 states. [2020-10-15 00:37:42,913 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-15 00:37:44,762 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-15 00:37:46,062 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-15 00:37:46,269 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-15 00:37:46,449 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-15 00:37:46,943 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 00:37:47,904 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-15 00:37:48,290 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-15 00:37:48,568 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-15 00:37:49,915 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 00:37:54,476 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-15 00:37:56,537 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-15 00:37:59,806 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-15 00:38:00,509 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-15 00:38:08,897 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 00:38:09,139 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-15 00:38:15,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:38:15,026 INFO L93 Difference]: Finished difference Result 3397 states and 5937 transitions. [2020-10-15 00:38:15,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-15 00:38:15,027 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 125 [2020-10-15 00:38:15,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:38:15,047 INFO L225 Difference]: With dead ends: 3397 [2020-10-15 00:38:15,047 INFO L226 Difference]: Without dead ends: 2278 [2020-10-15 00:38:15,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=445, Invalid=1907, Unknown=0, NotChecked=0, Total=2352 [2020-10-15 00:38:15,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2020-10-15 00:38:15,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 1688. [2020-10-15 00:38:15,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1688 states. [2020-10-15 00:38:15,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1688 states and 2723 transitions. [2020-10-15 00:38:15,421 INFO L78 Accepts]: Start accepts. Automaton has 1688 states and 2723 transitions. Word has length 125 [2020-10-15 00:38:15,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:38:15,422 INFO L479 AbstractCegarLoop]: Abstraction has 1688 states and 2723 transitions. [2020-10-15 00:38:15,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 00:38:15,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2723 transitions. [2020-10-15 00:38:15,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-15 00:38:15,426 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:38:15,426 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:38:15,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 00:38:15,427 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:38:15,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:38:15,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1886820072, now seen corresponding path program 1 times [2020-10-15 00:38:15,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:38:15,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53905449] [2020-10-15 00:38:15,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:38:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:15,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:15,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:15,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:16,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:17,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:17,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:18,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:18,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:20,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:20,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:20,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:20,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:20,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-15 00:38:20,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-15 00:38:20,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-15 00:38:20,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:20,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:20,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:38:20,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-15 00:38:20,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-15 00:38:20,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:21,323 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-15 00:38:21,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:38:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:21,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:21,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:21,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:38:21,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:21,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-15 00:38:21,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:21,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:21,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:38:21,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:21,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:38:21,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:21,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:38:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:21,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:21,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:21,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:38:21,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:21,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:38:21,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:21,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:21,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:38:21,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:21,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:38:21,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:38:21,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:38:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:21,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:21,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:21,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:38:21,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:21,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:38:21,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:21,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:21,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:38:21,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:21,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:38:21,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:21,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:38:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:21,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:21,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:21,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:38:21,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:21,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:38:21,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:21,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:21,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:38:21,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:21,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:38:21,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:21,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 00:38:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:21,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:21,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:21,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:38:21,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:21,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:38:21,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:21,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:21,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:38:21,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:21,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:38:21,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:21,561 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-15 00:38:21,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 00:38:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:21,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:21,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:21,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:38:21,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:21,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 00:38:21,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:21,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:21,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:38:21,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:21,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:38:21,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:21,753 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 00:38:21,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:38:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:21,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:21,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:21,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:38:21,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:21,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 00:38:21,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:21,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:21,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:38:21,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:21,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:38:21,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:21,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 00:38:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:21,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:21,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:21,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:22,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 00:38:22,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:38:22,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-15 00:38:22,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:22,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:38:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 00:38:22,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:22,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:38:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:22,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:22,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:38:22,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:22,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:38:22,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:22,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:22,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:38:22,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:22,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:38:22,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:22,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 00:38:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:22,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:22,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:38:22,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:22,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:38:22,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:22,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:22,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:38:22,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:22,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:38:22,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:22,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 00:38:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:22,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:22,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:38:22,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:22,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:38:22,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:22,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:22,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:38:22,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:22,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:38:22,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:22,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 00:38:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:22,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:22,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 00:38:22,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 00:38:22,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-15 00:38:22,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:22,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:22,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:38:22,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:22,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 00:38:22,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:22,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:38:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:22,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:22,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:38:22,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:22,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:38:22,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:22,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:22,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:38:22,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:22,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:38:22,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:22,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:38:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:22,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:22,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:38:22,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:22,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:38:22,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:22,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:22,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:38:22,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:22,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:38:22,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:22,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 00:38:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:22,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:22,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:38:22,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:22,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:38:22,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:22,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:22,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:38:22,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:22,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:38:22,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:22,335 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-15 00:38:22,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 00:38:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:22,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:22,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:23,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:23,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:23,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 00:38:23,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 00:38:23,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1555 [2020-10-15 00:38:23,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:23,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:23,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:38:23,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 00:38:23,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 00:38:23,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:23,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:38:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:23,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:23,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:23,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:38:23,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:23,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:38:23,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:23,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:23,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:38:23,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:23,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 00:38:23,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:23,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:38:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:23,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:23,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:23,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:38:23,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:23,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:38:23,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:23,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:23,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:38:23,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:23,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:38:23,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:23,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 00:38:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:23,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:23,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:23,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:23,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:38:23,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:38:23,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 00:38:23,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:23,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:38:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 00:38:23,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:38:24,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 00:38:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:24,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:24,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:24,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:38:24,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:24,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:38:24,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:24,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:24,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:38:24,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:38:24,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 00:38:24,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:38:24,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-15 00:38:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:38:24,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:38:24,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:38:24,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:38:24,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:38:24,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:38:24,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:38:24,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:38:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:38:24,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:38:24,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:38:24,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:38:24,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 00:38:24,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [53905449] [2020-10-15 00:38:24,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:38:24,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 00:38:24,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505026293] [2020-10-15 00:38:24,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 00:38:24,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:38:24,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 00:38:24,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-15 00:38:24,099 INFO L87 Difference]: Start difference. First operand 1688 states and 2723 transitions. Second operand 13 states. [2020-10-15 00:38:26,219 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 388 DAG size of output: 387 [2020-10-15 00:38:27,246 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-15 00:38:28,675 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-15 00:38:29,620 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-15 00:38:30,643 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 00:38:34,763 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 00:38:35,344 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 150 [2020-10-15 00:38:36,352 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 00:38:37,560 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-10-15 00:38:38,007 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-15 00:38:40,657 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2020-10-15 00:38:47,994 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2020-10-15 00:39:19,674 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 00:39:26,593 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-10-15 00:39:30,655 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 147 [2020-10-15 00:39:43,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:39:43,157 INFO L93 Difference]: Finished difference Result 8467 states and 15069 transitions. [2020-10-15 00:39:43,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-10-15 00:39:43,158 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 130 [2020-10-15 00:39:43,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:39:43,214 INFO L225 Difference]: With dead ends: 8467 [2020-10-15 00:39:43,214 INFO L226 Difference]: Without dead ends: 6815 [2020-10-15 00:39:43,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1180 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=666, Invalid=2874, Unknown=0, NotChecked=0, Total=3540 [2020-10-15 00:39:43,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6815 states. [2020-10-15 00:39:44,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6815 to 4841. [2020-10-15 00:39:44,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4841 states. [2020-10-15 00:39:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4841 states to 4841 states and 7839 transitions. [2020-10-15 00:39:44,612 INFO L78 Accepts]: Start accepts. Automaton has 4841 states and 7839 transitions. Word has length 130 [2020-10-15 00:39:44,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:39:44,616 INFO L479 AbstractCegarLoop]: Abstraction has 4841 states and 7839 transitions. [2020-10-15 00:39:44,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 00:39:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 4841 states and 7839 transitions. [2020-10-15 00:39:44,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-15 00:39:44,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:39:44,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:39:44,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 00:39:44,624 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:39:44,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:39:44,624 INFO L82 PathProgramCache]: Analyzing trace with hash 574043419, now seen corresponding path program 1 times [2020-10-15 00:39:44,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:39:44,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268837792] [2020-10-15 00:39:44,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:39:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:44,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:44,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:45,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:45,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:45,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:45,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:46,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:48,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:48,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:49,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:49,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:49,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-15 00:39:49,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-15 00:39:49,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-15 00:39:49,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:49,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:49,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 00:39:49,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-15 00:39:49,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-15 00:39:49,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:50,506 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-15 00:39:50,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:39:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:50,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:50,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:50,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:39:50,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:50,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 00:39:50,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:50,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:39:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:39:50,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:50,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:39:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:50,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:50,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:50,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:39:50,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:50,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:39:50,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:50,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:39:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:39:50,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:50,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:39:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:50,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:50,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:50,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:39:50,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:50,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:39:50,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:50,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:50,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:39:50,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:50,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:39:50,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:50,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:39:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:50,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:50,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:50,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:39:50,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:50,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:39:50,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:50,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:39:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:39:50,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:50,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 00:39:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:50,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:50,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:50,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:39:50,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:50,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:39:50,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:50,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:39:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:39:50,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:50,730 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-15 00:39:50,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 00:39:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:50,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:50,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:50,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:39:50,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:50,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 00:39:50,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:50,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:50,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:39:50,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:50,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:39:50,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:50,926 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 00:39:50,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:39:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:50,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:50,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:50,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:39:50,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:50,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 00:39:50,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:50,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:50,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:39:50,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:50,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:39:50,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:39:50,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 00:39:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:50,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:50,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:51,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 00:39:51,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:39:51,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-10-15 00:39:51,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:51,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:51,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:39:51,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:51,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 00:39:51,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:51,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:39:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:51,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:51,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:39:51,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:51,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:39:51,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:51,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:39:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:51,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:39:51,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:39:51,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 00:39:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:51,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:51,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:39:51,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:51,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:39:51,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:51,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:39:51,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:51,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:39:51,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:39:51,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 00:39:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:51,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:51,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:39:51,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:51,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:39:51,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:51,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:51,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:39:51,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:51,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:39:51,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:51,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 00:39:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:51,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:51,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 00:39:51,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:51,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 00:39:51,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:51,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:51,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:39:51,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:51,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 00:39:51,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:51,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:39:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:51,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:51,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:39:51,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:51,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:39:51,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:51,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:51,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:39:51,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:51,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:39:51,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:39:51,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:39:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:51,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:51,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:39:51,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:51,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:39:51,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:51,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:39:51,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:51,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:39:51,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:51,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 00:39:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:51,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:51,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:39:51,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:51,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:39:51,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:51,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:51,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:39:51,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:51,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:39:51,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:51,536 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-15 00:39:51,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 00:39:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:51,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:51,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:52,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:56,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:56,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 00:39:56,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 00:39:56,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 00:39:56,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:56,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:56,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 00:39:56,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 00:39:56,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-15 00:39:56,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:56,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:39:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:56,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:56,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:56,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:39:56,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:56,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:39:56,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:56,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 00:39:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 00:39:56,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:56,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:39:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:56,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:56,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:56,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:39:56,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:56,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:39:56,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:56,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:56,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:39:56,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:56,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 00:39:56,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:56,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 00:39:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:56,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:56,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:56,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:56,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:39:56,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:39:56,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 00:39:56,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:56,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:39:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 00:39:56,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:39:56,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 00:39:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:56,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:56,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:56,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:56,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:39:56,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:39:56,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:39:56,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:56,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:56,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:39:56,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:39:56,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 00:39:56,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:56,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-15 00:39:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:39:56,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:39:56,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:39:56,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:39:56,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:39:56,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:39:56,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:39:56,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:39:56,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:39:56,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:39:56,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:39:56,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:39:56,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 00:39:56,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268837792] [2020-10-15 00:39:56,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:39:56,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-15 00:39:56,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826044978] [2020-10-15 00:39:56,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 00:39:56,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:39:56,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 00:39:56,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2020-10-15 00:39:56,781 INFO L87 Difference]: Start difference. First operand 4841 states and 7839 transitions. Second operand 16 states. [2020-10-15 00:39:58,717 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 389 DAG size of output: 387 [2020-10-15 00:39:59,781 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-15 00:40:01,188 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-15 00:40:02,499 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-15 00:40:03,286 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-15 00:40:03,665 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-15 00:40:04,814 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-15 00:40:05,533 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 00:40:08,558 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-15 00:40:09,851 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-15 00:40:11,442 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-15 00:40:12,210 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-15 00:40:12,552 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-15 00:40:13,595 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-15 00:40:14,389 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 00:40:20,097 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-15 00:40:20,870 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-15 00:40:21,416 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 150 [2020-10-15 00:40:21,684 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 00:40:23,078 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2020-10-15 00:40:24,841 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 393 DAG size of output: 391 [2020-10-15 00:40:26,596 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2020-10-15 00:40:27,975 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114