/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=BIGGEST --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_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:39:25,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:39:25,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:39:25,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:39:25,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:39:25,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:39:25,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:39:25,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:39:25,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:39:25,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:39:25,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:39:25,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:39:25,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:39:25,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:39:25,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:39:25,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:39:25,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:39:25,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:39:25,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:39:25,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:39:25,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:39:25,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:39:25,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:39:25,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:39:25,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:39:25,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:39:25,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:39:25,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:39:25,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:39:25,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:39:25,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:39:25,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:39:25,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:39:25,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:39:25,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:39:25,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:39:25,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:39:25,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:39:25,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:39:25,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:39:25,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:39:25,856 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 [2020-10-12 16:39:25,886 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:39:25,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:39:25,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:39:25,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:39:25,888 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:39:25,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:39:25,888 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:39:25,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:39:25,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:39:25,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:39:25,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:39:25,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:39:25,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:39:25,889 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:39:25,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:39:25,890 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:39:25,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:39:25,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:39:25,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:39:25,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:39:25,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:39:25,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:39:25,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:39:25,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:39:25,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:39:25,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:39:25,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:39:25,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:39:25,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:39:25,892 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:39:26,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:39:26,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:39:26,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:39:26,259 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:39:26,260 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:39:26,261 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product24.cil.c [2020-10-12 16:39:26,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf70c23e2/eac55755252c4467a3e35c2c52d9daf9/FLAG0c6832412 [2020-10-12 16:39:26,930 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:39:26,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product24.cil.c [2020-10-12 16:39:26,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf70c23e2/eac55755252c4467a3e35c2c52d9daf9/FLAG0c6832412 [2020-10-12 16:39:27,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf70c23e2/eac55755252c4467a3e35c2c52d9daf9 [2020-10-12 16:39:27,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:39:27,210 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:39:27,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:39:27,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:39:27,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:39:27,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:39:27" (1/1) ... [2020-10-12 16:39:27,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e175ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:27, skipping insertion in model container [2020-10-12 16:39:27,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:39:27" (1/1) ... [2020-10-12 16:39:27,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:39:27,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:39:27,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:39:28,008 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:39:28,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:39:28,186 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:39:28,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:28 WrapperNode [2020-10-12 16:39:28,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:39:28,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:39:28,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:39:28,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:39:28,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:28" (1/1) ... [2020-10-12 16:39:28,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:28" (1/1) ... [2020-10-12 16:39:28,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:28" (1/1) ... [2020-10-12 16:39:28,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:28" (1/1) ... [2020-10-12 16:39:28,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:28" (1/1) ... [2020-10-12 16:39:28,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:28" (1/1) ... [2020-10-12 16:39:28,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:28" (1/1) ... [2020-10-12 16:39:28,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:39:28,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:39:28,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:39:28,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:39:28,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:28" (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 [2020-10-12 16:39:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:39:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:39:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:39:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:39:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:39:28,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:39:28,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:39:28,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:39:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:39:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:39:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:39:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:39:28,477 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:39:28,477 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:39:28,477 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:39:28,478 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:39:28,478 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:39:28,478 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:39:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:39:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:39:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:39:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:39:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:39:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:39:28,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:39:28,480 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:39:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:39:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:39:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:39:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:39:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:39:28,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:39:28,482 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:39:28,482 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:39:28,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:39:28,483 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:39:28,483 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:39:28,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:39:28,483 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:39:28,483 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:39:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:39:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:39:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:39:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:39:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:39:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:39:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:39:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:39:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:39:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:39:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:39:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-12 16:39:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-12 16:39:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:39:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:39:28,487 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:39:28,487 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-12 16:39:28,487 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-12 16:39:28,487 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:39:28,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:39:28,488 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:39:28,488 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-12 16:39:28,488 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:39:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-12 16:39:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:39:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:39:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-12 16:39:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-12 16:39:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:39:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:39:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-12 16:39:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-12 16:39:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-12 16:39:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-12 16:39:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:39:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:39:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:39:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:39:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:39:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:39:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:39:28,494 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:39:28,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:39:28,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:39:28,494 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:39:28,494 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:39:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:39:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:39:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:39:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:39:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:39:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:39:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:39:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:39:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:39:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:39:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:39:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:39:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:39:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:39:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:39:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:39:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:39:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:39:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:39:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:39:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:39:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:39:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:39:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:39:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:39:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:39:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:39:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:39:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:39:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:39:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:39:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:39:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:39:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:39:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:39:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:39:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:39:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:39:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:39:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-12 16:39:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-12 16:39:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:39:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:39:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:39:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:39:28,510 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:39:28,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:39:28,510 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:39:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:39:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:39:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:39:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:39:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:39:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:39:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-12 16:39:28,512 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:39:28,512 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:39:28,519 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:39:28,519 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:39:28,519 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:39:28,519 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:39:28,519 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:39:28,519 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:39:28,520 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:39:28,520 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:39:28,520 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-12 16:39:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-12 16:39:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:39:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:39:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:39:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:39:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:39:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:39:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:39:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-12 16:39:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-12 16:39:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:39:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:39:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-12 16:39:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-12 16:39:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:39:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:39:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:39:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-12 16:39:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-12 16:39:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-12 16:39:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:39:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:39:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:39:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:39:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:39:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:39:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:39:30,860 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:39:30,860 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:39:30,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:39:30 BoogieIcfgContainer [2020-10-12 16:39:30,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:39:30,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:39:30,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:39:30,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:39:30,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:39:27" (1/3) ... [2020-10-12 16:39:30,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a5d6a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:39:30, skipping insertion in model container [2020-10-12 16:39:30,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:28" (2/3) ... [2020-10-12 16:39:30,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a5d6a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:39:30, skipping insertion in model container [2020-10-12 16:39:30,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:39:30" (3/3) ... [2020-10-12 16:39:30,879 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product24.cil.c [2020-10-12 16:39:30,890 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:39:30,899 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:39:30,913 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:39:30,943 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:39:30,943 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:39:30,943 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:39:30,943 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:39:30,944 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:39:30,944 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:39:30,944 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:39:30,944 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:39:31,012 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states. [2020-10-12 16:39:31,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-12 16:39:31,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:39:31,028 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:39:31,028 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:39:31,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:39:31,036 INFO L82 PathProgramCache]: Analyzing trace with hash 2036682546, now seen corresponding path program 1 times [2020-10-12 16:39:31,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:39:31,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1085791420] [2020-10-12 16:39:31,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:39:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:31,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:31,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:32,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:32,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:32,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:33,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:34,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:36,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:36,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-12 16:39:36,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:39:36,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-12 16:39:36,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:36,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:36,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-12 16:39:36,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:36,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 16:39:37,707 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:37,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:39:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:37,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:37,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:37,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:37,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:37,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-12 16:39:37,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:37,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:37,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:37,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:37,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:37,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:39:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:37,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:37,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:37,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:39:37,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:37,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:37,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:37,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:37,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 16:39:37,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:39:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:37,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:37,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:37,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:39:37,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:37,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:37,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:37,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:37,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:37,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:37,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:37,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:39:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:37,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:37,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:37,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:37,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:37,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:39:37,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:37,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:37,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:37,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:37,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:37,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:39:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:37,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:37,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:37,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:39:37,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:37,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:39:37,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:37,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:37,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:39:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:37,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:37,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:37,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:37,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:37,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:39:37,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:37,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:37,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:37,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:37,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:38,095 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:39:38,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:39:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:38,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:38,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:38,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:38,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:38,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:38,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:38,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:43,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:43,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-12 16:39:43,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 16:39:43,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-12 16:39:43,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:43,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:43,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:39:43,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:43,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:43,351 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:39:43,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:39:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:43,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:43,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:43,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:43,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:43,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:44,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:44,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 16:39:44,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:39:44,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1192 [2020-10-12 16:39:44,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:44,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:44,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:39:44,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:44,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:39:44,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:44,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:44,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:44,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:44,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:44,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:44,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 16:39:44,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:39:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:39:44,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:44,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:39:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:44,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:44,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:44,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:44,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:44,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:44,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:39:44,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:39:44,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-10-12 16:39:44,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:44,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:39:44,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:39:44,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:39:44,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:45,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:39:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:45,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:45,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:39:45,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:45,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 16:39:45,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:45,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:39:45,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:45,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:39:45,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:45,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:45,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:45,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:45,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:45,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:39:45,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:45,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:39:45,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:45,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:39:45,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:45,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:39:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:45,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 16:39:46,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:39:46,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1095 [2020-10-12 16:39:46,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:39:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:46,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:46,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:46,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:46,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:39:46,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:39:46,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:39:46,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:46,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:39:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:39:46,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:39:46,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-12 16:39:46,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:39:46,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:39:46,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:39:46,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:46,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:39:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:39:46,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:46,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 16:39:46,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:39:46,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:39:46,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:46,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:46,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:46,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:39:46,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:39:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:39:46,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:46,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:39:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 16:39:46,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:46,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-12 16:39:46,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-12 16:39:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:46,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:46,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:39:46,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:46,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 16:39:46,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:46,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:46,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:46,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:46,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:46,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:46,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:46,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:46,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:46,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:39:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:39:46,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:46,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:39:46,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:46,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:46,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:46,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:46,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:46,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:39:46,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:46,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:47,067 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-12 16:39:47,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1085791420] [2020-10-12 16:39:47,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:39:47,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 16:39:47,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071059206] [2020-10-12 16:39:47,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 16:39:47,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:39:47,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 16:39:47,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-10-12 16:39:47,094 INFO L87 Difference]: Start difference. First operand 818 states. Second operand 19 states. [2020-10-12 16:39:49,602 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:39:50,482 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:39:51,386 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:39:52,329 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:39:53,251 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:39:54,188 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:39:55,133 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:39:56,056 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:39:56,971 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:39:57,869 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:39:58,942 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:40:00,988 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:40:01,803 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:40:20,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:40:20,125 INFO L93 Difference]: Finished difference Result 1614 states and 2702 transitions. [2020-10-12 16:40:20,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-12 16:40:20,127 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 116 [2020-10-12 16:40:20,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:40:20,178 INFO L225 Difference]: With dead ends: 1614 [2020-10-12 16:40:20,179 INFO L226 Difference]: Without dead ends: 966 [2020-10-12 16:40:20,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=232, Invalid=1574, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 16:40:20,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2020-10-12 16:40:20,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 679. [2020-10-12 16:40:20,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-10-12 16:40:20,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1072 transitions. [2020-10-12 16:40:20,514 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1072 transitions. Word has length 116 [2020-10-12 16:40:20,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:40:20,515 INFO L479 AbstractCegarLoop]: Abstraction has 679 states and 1072 transitions. [2020-10-12 16:40:20,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 16:40:20,515 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1072 transitions. [2020-10-12 16:40:20,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-12 16:40:20,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:40:20,521 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:40:20,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:40:20,522 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:40:20,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:40:20,523 INFO L82 PathProgramCache]: Analyzing trace with hash -860044279, now seen corresponding path program 1 times [2020-10-12 16:40:20,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:40:20,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113917797] [2020-10-12 16:40:20,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:40:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:20,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:20,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:20,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:20,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:21,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:21,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:21,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:22,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:25,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:25,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-12 16:40:25,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:40:25,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-12 16:40:25,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:25,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:40:25,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 16:40:25,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 16:40:25,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:26,489 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:26,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:40:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:26,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:26,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:26,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:26,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:26,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 16:40:26,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:26,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:26,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:26,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:26,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:26,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:40:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:26,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:26,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:26,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:40:26,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:26,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:26,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:26,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:26,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:26,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:26,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:26,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:40:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:26,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:26,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:26,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:40:26,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:26,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:26,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:26,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:26,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:40:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:26,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:26,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:26,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:26,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:26,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:40:26,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:26,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:26,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:26,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:26,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:26,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:40:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:26,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:26,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:26,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:40:26,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:26,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:26,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:26,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:26,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:26,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:26,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:26,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:40:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:26,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:26,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:26,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:26,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:26,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:40:26,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:26,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:26,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:26,783 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:40:26,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:40:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:26,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:26,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:26,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:26,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:26,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:26,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:27,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:27,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:27,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:27,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:29,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:31,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:31,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-12 16:40:31,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 16:40:31,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-12 16:40:31,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:31,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:40:31,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 16:40:31,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:40:31,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:32,028 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:40:32,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:40:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:32,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:32,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 16:40:32,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:40:32,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 867 [2020-10-12 16:40:32,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:32,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:40:32,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:40:32,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:40:32,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:32,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:32,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:32,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:40:32,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:40:32,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:40:32,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:40:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:40:32,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:32,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:40:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:32,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:33,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:40:33,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:40:33,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-12 16:40:33,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:33,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:40:33,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:40:33,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:40:33,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:33,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:40:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:33,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:33,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:40:33,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:40:33,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 16:40:33,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:33,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:40:33,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:33,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:40:33,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:33,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:33,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:33,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:40:33,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:33,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:40:33,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:33,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:40:33,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:33,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:40:33,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:33,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:40:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:33,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:37,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:37,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 16:40:37,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:40:37,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4217 [2020-10-12 16:40:37,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:37,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:40:37,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:40:37,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:40:37,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:37,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:37,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:37,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:37,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:37,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:40:37,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:40:37,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:40:37,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:40:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:40:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:40:37,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:37,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:40:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:37,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:37,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:37,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:37,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:37,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:37,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:37,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:38,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:38,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:38,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 16:40:38,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:40:38,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 528 [2020-10-12 16:40:38,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:38,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:40:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:40:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 16:40:38,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:38,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 16:40:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:38,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:38,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:38,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:38,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:38,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:40:38,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:40:38,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 16:40:38,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:38,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:40:38,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:38,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:40:38,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:38,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:38,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:38,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:38,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:40:38,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:38,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:40:38,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:38,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:40:38,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:38,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:40:38,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:38,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:40:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:38,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:38,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:38,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:40:38,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:38,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 16:40:38,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:38,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:38,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:40:38,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:38,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:38,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:38,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:38,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:38,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:40:38,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:38,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:40:38,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:38,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:38,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:38,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:38,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:38,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:38,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:38,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:38,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:38,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:38,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:40:38,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:38,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:38,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:38,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:40:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:38,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:38,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:38,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:40:38,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:38,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:40:38,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:38,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:38,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:38,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:38,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:38,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:38,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:38,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:40:38,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:38,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:38,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:38,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:38,706 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 16:40:38,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113917797] [2020-10-12 16:40:38,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:40:38,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 16:40:38,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488978580] [2020-10-12 16:40:38,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 16:40:38,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:40:38,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 16:40:38,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2020-10-12 16:40:38,712 INFO L87 Difference]: Start difference. First operand 679 states and 1072 transitions. Second operand 23 states. [2020-10-12 16:40:40,677 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:40:41,544 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:40:42,381 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:40:43,307 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:40:44,199 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:40:45,163 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:40:46,034 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:40:46,975 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:40:47,852 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:40:48,830 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:40:49,761 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:40:50,635 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:40:51,574 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:40:52,453 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:40:53,276 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:40:54,189 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:40:55,178 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:40:55,977 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:41:17,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:41:17,457 INFO L93 Difference]: Finished difference Result 1623 states and 2694 transitions. [2020-10-12 16:41:17,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-12 16:41:17,460 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 121 [2020-10-12 16:41:17,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:41:17,471 INFO L225 Difference]: With dead ends: 1623 [2020-10-12 16:41:17,471 INFO L226 Difference]: Without dead ends: 974 [2020-10-12 16:41:17,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=302, Invalid=2560, Unknown=0, NotChecked=0, Total=2862 [2020-10-12 16:41:17,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2020-10-12 16:41:17,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 692. [2020-10-12 16:41:17,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2020-10-12 16:41:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1090 transitions. [2020-10-12 16:41:17,676 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1090 transitions. Word has length 121 [2020-10-12 16:41:17,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:41:17,677 INFO L479 AbstractCegarLoop]: Abstraction has 692 states and 1090 transitions. [2020-10-12 16:41:17,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 16:41:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1090 transitions. [2020-10-12 16:41:17,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-12 16:41:17,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:41:17,680 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:41:17,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:41:17,681 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:41:17,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:41:17,681 INFO L82 PathProgramCache]: Analyzing trace with hash -603423846, now seen corresponding path program 1 times [2020-10-12 16:41:17,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:41:17,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [304811626] [2020-10-12 16:41:17,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:41:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:17,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:17,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:17,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:19,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:22,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:22,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-12 16:41:22,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:41:22,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 16:41:22,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:22,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:41:22,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-12 16:41:22,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:41:22,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:23,583 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:23,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:41:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:23,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:23,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:23,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:23,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:23,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 16:41:23,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:23,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:23,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:23,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:23,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:41:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:23,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:23,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:23,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:41:23,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:23,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:23,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:23,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:23,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:23,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:23,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:23,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:41:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:23,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:23,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:23,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:41:23,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:23,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:23,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:23,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:23,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:23,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:23,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:23,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:41:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:23,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:23,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:23,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:23,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:23,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:23,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:23,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:23,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:23,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:23,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:23,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:41:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:23,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:23,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:23,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:41:23,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:23,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:23,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:23,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:23,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:23,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:23,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:23,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:41:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:23,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:23,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:23,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:23,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:23,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:41:23,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:23,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:23,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:23,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:23,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:23,875 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:41:23,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:41:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:23,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:23,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:23,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:23,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:24,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:24,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:24,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:25,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:25,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:25,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:28,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:28,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-12 16:41:28,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 16:41:28,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 16:41:28,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:28,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:41:28,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-12 16:41:28,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:41:28,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:29,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:41:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:29,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:29,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:29,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:29,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:29,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:29,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:29,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:29,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 16:41:29,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:41:29,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 790 [2020-10-12 16:41:29,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:29,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:41:29,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:41:29,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:41:29,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:29,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:29,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:29,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:29,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:29,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:41:29,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:41:29,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:41:29,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:29,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:41:29,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:41:29,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:41:29,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:29,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:41:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:29,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:29,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:29,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:29,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:30,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:41:30,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:41:30,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-12 16:41:30,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:30,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:41:30,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:41:30,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:41:30,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:30,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:41:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:30,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:30,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:41:30,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:41:30,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 16:41:30,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:30,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:41:30,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:30,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:41:30,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:30,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:30,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:30,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:41:30,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:30,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:41:30,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:30,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:41:30,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:30,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:41:30,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:30,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 16:41:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:30,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:30,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 16:41:30,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:41:30,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 533 [2020-10-12 16:41:30,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:30,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:41:30,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:41:30,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:41:30,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:30,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:30,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:30,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:41:30,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:41:30,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:41:30,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:30,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:41:30,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:30,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:41:30,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:30,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:41:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:30,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:30,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:41:30,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:41:30,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-12 16:41:30,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:30,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:41:30,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:41:30,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:41:30,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:30,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:41:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:30,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:30,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:30,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:41:30,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:41:30,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 16:41:30,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:41:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:41:30,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:31,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:31,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:31,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:31,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:41:31,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:31,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:41:31,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:31,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:41:31,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:31,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:41:31,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:31,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:41:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:31,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:31,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:31,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:41:31,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:31,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 16:41:31,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:41:31,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:31,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:31,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:31,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:31,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:31,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:41:31,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:31,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 16:41:31,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:31,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:31,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:31,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:31,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:31,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:31,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:31,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:31,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:31,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:31,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:31,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:31,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:31,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:31,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:31,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:31,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:41:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:31,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:31,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:31,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:41:31,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:31,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:41:31,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:31,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:31,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:31,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:31,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:31,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:31,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:31,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:31,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:31,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:31,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:31,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:31,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:31,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:31,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:31,248 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 16:41:31,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [304811626] [2020-10-12 16:41:31,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:41:31,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 16:41:31,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556736564] [2020-10-12 16:41:31,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 16:41:31,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:41:31,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 16:41:31,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2020-10-12 16:41:31,253 INFO L87 Difference]: Start difference. First operand 692 states and 1090 transitions. Second operand 21 states. [2020-10-12 16:41:33,350 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:41:34,239 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-12 16:41:35,114 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:41:36,093 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:41:36,937 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:41:37,876 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:41:38,725 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:41:39,682 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:41:40,661 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:41:41,566 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:41:42,469 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:41:43,548 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:41:45,141 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:41:46,322 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:41:47,115 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:41:47,912 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:42:08,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:42:08,033 INFO L93 Difference]: Finished difference Result 1657 states and 2753 transitions. [2020-10-12 16:42:08,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-12 16:42:08,034 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 121 [2020-10-12 16:42:08,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:42:08,043 INFO L225 Difference]: With dead ends: 1657 [2020-10-12 16:42:08,043 INFO L226 Difference]: Without dead ends: 995 [2020-10-12 16:42:08,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=292, Invalid=2060, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 16:42:08,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2020-10-12 16:42:08,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 706. [2020-10-12 16:42:08,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2020-10-12 16:42:08,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1112 transitions. [2020-10-12 16:42:08,205 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1112 transitions. Word has length 121 [2020-10-12 16:42:08,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:42:08,205 INFO L479 AbstractCegarLoop]: Abstraction has 706 states and 1112 transitions. [2020-10-12 16:42:08,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 16:42:08,206 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1112 transitions. [2020-10-12 16:42:08,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-12 16:42:08,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:42:08,208 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:42:08,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 16:42:08,209 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:42:08,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:42:08,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1337645732, now seen corresponding path program 1 times [2020-10-12 16:42:08,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:42:08,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [106679371] [2020-10-12 16:42:08,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:42:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:08,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:11,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:13,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:13,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-12 16:42:13,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:42:13,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 16:42:13,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:42:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-12 16:42:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 16:42:13,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:14,025 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:42:14,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:42:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:14,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:14,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:14,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:14,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:14,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 16:42:14,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:14,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:14,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:42:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:14,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:14,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:14,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:42:14,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:14,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:14,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:14,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:14,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:14,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:14,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:42:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:14,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:14,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:14,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:42:14,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:14,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:14,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:14,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:14,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:14,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:14,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:14,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:42:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:14,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:14,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:14,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:14,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:14,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:14,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:14,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:14,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:14,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:14,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:14,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:42:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:14,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:14,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:14,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:42:14,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:14,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:14,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:14,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:14,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:14,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:14,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:42:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:14,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:14,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:14,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:14,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:14,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:42:14,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:14,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:14,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:14,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:14,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:14,316 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:42:14,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:42:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:14,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:14,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:14,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:14,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:14,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:14,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:14,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:14,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:14,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:15,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:15,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:15,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:19,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:19,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-12 16:42:19,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-12 16:42:19,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 16:42:19,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:19,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:42:19,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-12 16:42:19,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:42:19,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:19,477 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:42:19,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:42:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:19,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:19,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:19,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:19,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:19,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:19,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:19,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:19,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 16:42:19,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:42:19,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 514 [2020-10-12 16:42:19,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:19,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:42:19,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:42:19,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:42:19,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:20,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:20,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:20,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 16:42:20,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:42:20,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:42:20,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:20,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:42:20,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:20,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:42:20,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:20,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 16:42:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:20,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:20,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:42:20,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:42:20,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 16:42:20,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:20,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:42:20,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:42:20,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:42:20,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:20,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:42:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:20,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:20,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:42:20,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:42:20,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 16:42:20,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:20,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:42:20,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:20,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:42:20,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:20,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:20,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:20,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:42:20,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:20,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:42:20,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:20,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:42:20,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:20,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:42:20,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:20,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 16:42:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:20,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:20,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:23,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:23,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 16:42:23,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:42:23,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2892 [2020-10-12 16:42:23,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:42:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:42:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:42:23,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:23,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:23,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:23,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:23,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:23,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:42:23,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:42:23,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:42:23,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:23,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:42:23,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:23,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:42:23,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:23,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:42:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:23,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:23,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:23,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:23,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:23,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:23,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:23,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:23,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:23,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 16:42:23,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:42:23,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 529 [2020-10-12 16:42:23,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:23,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:42:23,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:42:23,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 16:42:23,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:23,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 16:42:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:23,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:23,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:23,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:23,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:23,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:42:23,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:42:23,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 16:42:23,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:23,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:42:23,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:23,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:42:23,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:23,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:23,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:23,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:23,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:42:23,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:23,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:42:23,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:23,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:42:23,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:23,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:42:23,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:23,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:42:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:24,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:24,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:24,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:42:24,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:24,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:42:24,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:42:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:24,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:24,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:24,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:24,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:24,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:42:24,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:24,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:42:24,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:24,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:24,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:24,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:24,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:24,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:24,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:24,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:24,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:24,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:24,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:24,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:24,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:24,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:24,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:24,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:24,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:42:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:24,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:24,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:24,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:42:24,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:24,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:42:24,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:24,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:24,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:24,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:24,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:24,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:24,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:24,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:24,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:24,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:24,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:24,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:24,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:24,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:24,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:24,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:24,117 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 16:42:24,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [106679371] [2020-10-12 16:42:24,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:42:24,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 16:42:24,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872451630] [2020-10-12 16:42:24,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 16:42:24,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:42:24,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 16:42:24,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2020-10-12 16:42:24,120 INFO L87 Difference]: Start difference. First operand 706 states and 1112 transitions. Second operand 22 states. [2020-10-12 16:42:26,049 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:42:26,951 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:42:27,860 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:42:28,731 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:42:29,624 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:42:30,478 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:42:31,386 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:42:32,185 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:42:33,095 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:42:33,985 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:42:34,906 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:42:35,734 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:42:36,507 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:42:37,366 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:42:38,343 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:42:40,561 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:42:41,343 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:43:02,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:43:02,465 INFO L93 Difference]: Finished difference Result 1678 states and 2785 transitions. [2020-10-12 16:43:02,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-12 16:43:02,466 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 124 [2020-10-12 16:43:02,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:43:02,474 INFO L225 Difference]: With dead ends: 1678 [2020-10-12 16:43:02,475 INFO L226 Difference]: Without dead ends: 1013 [2020-10-12 16:43:02,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=296, Invalid=2566, Unknown=0, NotChecked=0, Total=2862 [2020-10-12 16:43:02,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2020-10-12 16:43:02,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 712. [2020-10-12 16:43:02,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 712 states. [2020-10-12 16:43:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 1121 transitions. [2020-10-12 16:43:02,684 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 1121 transitions. Word has length 124 [2020-10-12 16:43:02,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:43:02,684 INFO L479 AbstractCegarLoop]: Abstraction has 712 states and 1121 transitions. [2020-10-12 16:43:02,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 16:43:02,684 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1121 transitions. [2020-10-12 16:43:02,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-12 16:43:02,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:43:02,687 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:43:02,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 16:43:02,688 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:43:02,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:43:02,688 INFO L82 PathProgramCache]: Analyzing trace with hash -289235503, now seen corresponding path program 1 times [2020-10-12 16:43:02,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:43:02,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [837910043] [2020-10-12 16:43:02,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:43:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:02,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:02,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:02,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:02,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:03,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:03,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:04,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking...