/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 00:34:00,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 00:34:00,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 00:34:00,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 00:34:00,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 00:34:00,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 00:34:00,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 00:34:00,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 00:34:00,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 00:34:00,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 00:34:00,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 00:34:00,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 00:34:00,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 00:34:00,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 00:34:00,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 00:34:00,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 00:34:00,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 00:34:00,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 00:34:00,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 00:34:00,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 00:34:00,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 00:34:00,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 00:34:00,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 00:34:00,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 00:34:00,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 00:34:00,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 00:34:00,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 00:34:00,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 00:34:00,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 00:34:00,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 00:34:00,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 00:34:00,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 00:34:00,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 00:34:00,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 00:34:00,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 00:34:00,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 00:34:00,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 00:34:00,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 00:34:00,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 00:34:00,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 00:34:00,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 00:34:00,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 00:34:00,659 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 00:34:00,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 00:34:00,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 00:34:00,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 00:34:00,661 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 00:34:00,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 00:34:00,662 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 00:34:00,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 00:34:00,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 00:34:00,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 00:34:00,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 00:34:00,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 00:34:00,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 00:34:00,663 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 00:34:00,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 00:34:00,663 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 00:34:00,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 00:34:00,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 00:34:00,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 00:34:00,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 00:34:00,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 00:34:00,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 00:34:00,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 00:34:00,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 00:34:00,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 00:34:00,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 00:34:00,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 00:34:00,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 00:34:00,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 00:34:00,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 00:34:00,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 00:34:00,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 00:34:00,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 00:34:00,993 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 00:34:00,994 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 00:34:00,994 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product09.cil.c [2020-10-15 00:34:01,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d33ae640d/757435f781a54974a906200b33492239/FLAG4d451a844 [2020-10-15 00:34:01,688 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 00:34:01,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product09.cil.c [2020-10-15 00:34:01,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d33ae640d/757435f781a54974a906200b33492239/FLAG4d451a844 [2020-10-15 00:34:01,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d33ae640d/757435f781a54974a906200b33492239 [2020-10-15 00:34:01,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 00:34:01,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 00:34:01,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 00:34:01,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 00:34:01,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 00:34:01,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:34:01" (1/1) ... [2020-10-15 00:34:01,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f504857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:34:01, skipping insertion in model container [2020-10-15 00:34:01,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:34:01" (1/1) ... [2020-10-15 00:34:01,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 00:34:02,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 00:34:02,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:34:02,708 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 00:34:02,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:34:02,916 INFO L208 MainTranslator]: Completed translation [2020-10-15 00:34:02,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:34:02 WrapperNode [2020-10-15 00:34:02,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 00:34:02,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 00:34:02,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 00:34:02,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 00:34:02,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:34:02" (1/1) ... [2020-10-15 00:34:02,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:34:02" (1/1) ... [2020-10-15 00:34:02,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:34:02" (1/1) ... [2020-10-15 00:34:02,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:34:02" (1/1) ... [2020-10-15 00:34:03,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:34:02" (1/1) ... [2020-10-15 00:34:03,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:34:02" (1/1) ... [2020-10-15 00:34:03,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:34:02" (1/1) ... [2020-10-15 00:34:03,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 00:34:03,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 00:34:03,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 00:34:03,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 00:34:03,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:34:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 00:34:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 00:34:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 00:34:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 00:34:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-15 00:34:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-15 00:34:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 00:34:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-15 00:34:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-15 00:34:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-15 00:34:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-15 00:34:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-15 00:34:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-15 00:34:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-15 00:34:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-15 00:34:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-15 00:34:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-15 00:34:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-15 00:34:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 00:34:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-15 00:34:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-15 00:34:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-15 00:34:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-15 00:34:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-15 00:34:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-15 00:34:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-15 00:34:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-15 00:34:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-15 00:34:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-15 00:34:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-15 00:34:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-15 00:34:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-15 00:34:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-15 00:34:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-15 00:34:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-15 00:34:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-15 00:34:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-15 00:34:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-15 00:34:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-15 00:34:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-15 00:34:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 00:34:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-15 00:34:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-15 00:34:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 00:34:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 00:34:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 00:34:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 00:34:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-15 00:34:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-15 00:34:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-15 00:34:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-15 00:34:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-15 00:34:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-15 00:34:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-15 00:34:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-15 00:34:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 00:34:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-15 00:34:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-15 00:34:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-15 00:34:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 00:34:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-15 00:34:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 00:34:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 00:34:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 00:34:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-15 00:34:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-15 00:34:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 00:34:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 00:34:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 00:34:03,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 00:34:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 00:34:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 00:34:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 00:34:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 00:34:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-15 00:34:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-15 00:34:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 00:34:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-15 00:34:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-15 00:34:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-15 00:34:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-15 00:34:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-15 00:34:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-15 00:34:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-15 00:34:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-15 00:34:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 00:34:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 00:34:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-15 00:34:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-15 00:34:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-15 00:34:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-15 00:34:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-15 00:34:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-15 00:34:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-15 00:34:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-15 00:34:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-15 00:34:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 00:34:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 00:34:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-15 00:34:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-15 00:34:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-15 00:34:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-15 00:34:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-15 00:34:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-15 00:34:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-15 00:34:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-15 00:34:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-15 00:34:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-15 00:34:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-15 00:34:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-15 00:34:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-15 00:34:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-15 00:34:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-15 00:34:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-15 00:34:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-15 00:34:03,226 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-15 00:34:03,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-15 00:34:03,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-15 00:34:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 00:34:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-15 00:34:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 00:34:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 00:34:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 00:34:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 00:34:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-15 00:34:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-15 00:34:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-15 00:34:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-15 00:34:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-15 00:34:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-15 00:34:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-15 00:34:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-15 00:34:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-15 00:34:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-15 00:34:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 00:34:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-15 00:34:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 00:34:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 00:34:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 00:34:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 00:34:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 00:34:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 00:34:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 00:34:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 00:34:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 00:34:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 00:34:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 00:34:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 00:34:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 00:34:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 00:34:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 00:34:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 00:34:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 00:34:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 00:34:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 00:34:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 00:34:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 00:34:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 00:34:05,262 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 00:34:05,262 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-15 00:34:05,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:34:05 BoogieIcfgContainer [2020-10-15 00:34:05,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 00:34:05,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 00:34:05,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 00:34:05,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 00:34:05,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:34:01" (1/3) ... [2020-10-15 00:34:05,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc8b65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:34:05, skipping insertion in model container [2020-10-15 00:34:05,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:34:02" (2/3) ... [2020-10-15 00:34:05,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc8b65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:34:05, skipping insertion in model container [2020-10-15 00:34:05,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:34:05" (3/3) ... [2020-10-15 00:34:05,280 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product09.cil.c [2020-10-15 00:34:05,290 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 00:34:05,299 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 00:34:05,314 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 00:34:05,343 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 00:34:05,343 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 00:34:05,343 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 00:34:05,343 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 00:34:05,343 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 00:34:05,344 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 00:34:05,344 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 00:34:05,344 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 00:34:05,380 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states. [2020-10-15 00:34:05,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-15 00:34:05,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:34:05,418 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:34:05,418 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:34:05,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:34:05,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1161933342, now seen corresponding path program 1 times [2020-10-15 00:34:05,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:34:05,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978497589] [2020-10-15 00:34:05,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:34:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:06,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:06,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:06,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:06,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:08,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:08,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:08,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:08,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:09,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:10,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:10,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-15 00:34:10,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 00:34:10,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-15 00:34:10,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:10,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:34:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-15 00:34:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 00:34:10,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 00:34:12,048 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2020-10-15 00:34:12,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:34:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:12,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:12,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:12,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:34:12,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:12,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-15 00:34:12,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:12,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:12,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:12,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:34:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:12,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:12,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:12,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:34:12,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:12,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:34:12,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:12,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:12,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:12,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:34:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:12,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:12,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:12,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:34:12,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:12,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:34:12,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:12,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:12,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:12,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:34:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:12,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:12,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:12,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:34:12,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:12,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:34:12,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:12,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:12,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:12,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:12,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:12,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:12,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 00:34:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:12,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:12,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:12,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:34:12,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:12,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:34:12,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:12,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:12,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:12,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:12,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:12,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:12,440 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-15 00:34:12,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 00:34:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:12,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:12,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:12,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:34:12,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:12,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-15 00:34:12,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:12,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:34:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:12,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:34:12,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:12,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:34:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:12,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:12,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:12,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:34:12,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:12,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 00:34:12,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:12,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:12,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:34:12,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:12,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:34:12,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:12,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 00:34:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:12,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:12,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:12,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 00:34:13,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:34:13,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-10-15 00:34:13,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:34:13,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:13,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 00:34:13,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:13,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:34:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:34:13,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:34:13,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:13,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:13,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:13,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:13,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 00:34:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:34:13,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 00:34:13,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:13,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:13,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 00:34:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:34:13,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:34:13,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:13,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:13,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 00:34:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 00:34:13,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 00:34:13,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-15 00:34:13,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:34:13,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:13,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 00:34:13,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:13,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:34:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:34:13,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:34:13,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:13,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:13,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:13,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:13,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:34:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:34:13,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:34:13,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:13,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:13,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:13,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:13,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 00:34:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:34:13,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 00:34:13,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:34:13,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 00:34:13,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 00:34:13,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:13,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:34:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:34:13,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:34:13,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:34:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 00:34:13,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:13,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 00:34:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:34:13,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:34:13,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:13,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 00:34:13,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:13,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:13,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 00:34:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:34:13,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:34:13,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:13,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 00:34:13,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:13,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:13,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-15 00:34:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:34:13,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:34:13,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:13,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:34:13,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:13,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:34:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 00:34:13,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978497589] [2020-10-15 00:34:13,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:34:13,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 00:34:13,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976482474] [2020-10-15 00:34:13,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 00:34:13,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:34:13,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 00:34:13,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-15 00:34:13,519 INFO L87 Difference]: Start difference. First operand 757 states. Second operand 13 states. [2020-10-15 00:34:15,025 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-15 00:34:16,149 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-15 00:34:17,436 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 00:34:18,693 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:34:19,403 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-15 00:34:20,653 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:34:23,498 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-15 00:34:24,941 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 00:34:26,209 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-15 00:34:26,926 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-15 00:34:28,115 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:34:33,662 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-15 00:34:34,359 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:34:34,671 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 00:34:35,872 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 00:34:37,057 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:34:37,940 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-15 00:34:52,102 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-15 00:35:00,002 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2020-10-15 00:35:16,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:35:16,679 INFO L93 Difference]: Finished difference Result 3981 states and 7391 transitions. [2020-10-15 00:35:16,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-15 00:35:16,681 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 115 [2020-10-15 00:35:16,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:35:16,749 INFO L225 Difference]: With dead ends: 3981 [2020-10-15 00:35:16,750 INFO L226 Difference]: Without dead ends: 3311 [2020-10-15 00:35:16,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1501 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=875, Invalid=3285, Unknown=0, NotChecked=0, Total=4160 [2020-10-15 00:35:16,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3311 states. [2020-10-15 00:35:17,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3311 to 2153. [2020-10-15 00:35:17,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2153 states. [2020-10-15 00:35:17,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 3509 transitions. [2020-10-15 00:35:17,450 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 3509 transitions. Word has length 115 [2020-10-15 00:35:17,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:35:17,451 INFO L479 AbstractCegarLoop]: Abstraction has 2153 states and 3509 transitions. [2020-10-15 00:35:17,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 00:35:17,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 3509 transitions. [2020-10-15 00:35:17,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-15 00:35:17,458 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:35:17,459 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:35:17,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 00:35:17,459 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:35:17,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:35:17,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1730134948, now seen corresponding path program 1 times [2020-10-15 00:35:17,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:35:17,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796182785] [2020-10-15 00:35:17,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:35:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:17,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:17,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:17,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:18,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:18,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:19,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:20,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:22,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:22,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-15 00:35:22,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 00:35:22,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-15 00:35:22,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:22,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:22,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 00:35:22,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-15 00:35:22,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-15 00:35:22,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:23,283 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2020-10-15 00:35:23,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:35:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:23,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:23,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:23,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:35:23,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:23,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-15 00:35:23,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:23,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:35:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:35:23,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:35:23,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:23,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:35:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:23,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:23,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:23,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:35:23,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:23,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:35:23,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:23,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:23,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:35:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:35:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:35:23,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:35:23,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:35:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:23,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:23,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:23,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:35:23,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:23,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:35:23,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:23,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:23,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:35:23,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:35:23,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:35:23,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:35:23,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:35:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:23,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:23,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:23,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:35:23,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:23,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:35:23,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:23,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:23,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:35:23,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:35:23,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:35:23,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:23,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 00:35:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:23,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:23,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:23,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:35:23,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:23,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:35:23,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:23,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:23,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:35:23,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:35:23,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:35:23,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:23,568 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-15 00:35:23,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 00:35:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:23,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:23,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:23,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:35:23,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:23,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-15 00:35:23,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:23,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:23,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:35:23,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:35:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:35:23,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:23,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:35:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:23,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:23,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:23,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:35:23,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:23,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 00:35:23,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:23,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:23,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:35:23,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:35:23,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:35:23,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:23,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 00:35:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:23,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:23,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:23,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:24,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:24,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 00:35:24,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:35:24,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 504 [2020-10-15 00:35:24,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:24,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:24,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:35:24,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 00:35:24,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 00:35:24,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:24,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:35:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:24,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:24,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:24,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:35:24,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:24,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:35:24,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:24,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:24,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:35:24,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:35:24,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:35:24,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:24,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 00:35:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:24,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:24,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:24,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:35:24,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:24,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-15 00:35:24,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:24,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:24,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 00:35:24,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 00:35:24,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 00:35:24,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:24,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 00:35:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:24,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:24,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:24,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:35:24,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:24,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:35:24,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:24,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:35:24,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 00:35:24,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 00:35:24,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:24,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 00:35:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:24,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:24,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:24,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 00:35:24,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:24,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 00:35:24,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:24,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:24,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:35:24,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:35:24,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 00:35:24,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:24,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:35:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:24,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:24,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:24,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:35:24,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:24,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:35:24,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:24,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:24,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:35:24,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:35:24,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:35:24,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:24,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:35:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:24,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:24,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:24,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:35:24,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:24,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:35:24,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:24,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:24,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:35:24,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:35:24,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:35:24,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:24,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 00:35:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:24,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:24,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:24,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 00:35:24,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:24,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 00:35:24,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:24,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:24,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 00:35:24,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 00:35:24,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 00:35:24,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:35:24,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:35:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:24,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:24,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:24,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:35:24,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:24,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:35:24,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:24,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:24,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:35:24,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:35:24,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:35:24,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:24,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 00:35:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:24,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:24,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:24,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:35:24,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:24,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:35:24,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:24,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:24,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:35:24,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 00:35:24,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:35:24,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:24,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 00:35:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:24,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:24,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:24,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:35:24,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:24,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:35:24,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:24,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:24,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:35:24,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:35:24,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:35:24,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:24,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-15 00:35:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:24,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:24,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:24,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:24,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:35:24,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:35:24,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:35:24,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:24,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:35:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 00:35:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 00:35:24,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:35:24,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 00:35:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:35:24,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:35:24,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:35:24,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:35:24,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:35:24,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:35:24,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:35:24,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:35:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:35:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:35:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:35:24,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:35:24,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 00:35:24,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796182785] [2020-10-15 00:35:24,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:35:24,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-15 00:35:24,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725123010] [2020-10-15 00:35:24,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 00:35:24,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:35:24,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 00:35:24,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2020-10-15 00:35:24,851 INFO L87 Difference]: Start difference. First operand 2153 states and 3509 transitions. Second operand 16 states. [2020-10-15 00:35:26,020 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-15 00:35:27,061 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:35:28,884 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2020-10-15 00:35:29,119 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-15 00:35:29,311 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-15 00:35:31,053 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-15 00:35:31,776 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-15 00:35:32,531 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-15 00:35:33,930 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 381 DAG size of output: 377 [2020-10-15 00:35:34,678 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-15 00:35:36,407 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 00:35:36,618 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 00:35:38,932 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-15 00:35:40,119 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 00:35:41,741 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 00:35:43,932 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 00:35:44,100 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-15 00:35:46,293 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2020-10-15 00:35:46,997 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2020-10-15 00:35:48,335 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 379 DAG size of output: 374 [2020-10-15 00:35:51,632 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2020-10-15 00:35:52,387 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2020-10-15 00:35:53,110 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 00:36:45,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:36:45,270 INFO L93 Difference]: Finished difference Result 15780 states and 29280 transitions. [2020-10-15 00:36:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2020-10-15 00:36:45,270 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 121 [2020-10-15 00:36:45,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:36:45,423 INFO L225 Difference]: With dead ends: 15780 [2020-10-15 00:36:45,424 INFO L226 Difference]: Without dead ends: 13661 [2020-10-15 00:36:45,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2560 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=1277, Invalid=5695, Unknown=0, NotChecked=0, Total=6972 [2020-10-15 00:36:45,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13661 states. [2020-10-15 00:36:47,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13661 to 8938. [2020-10-15 00:36:47,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8938 states. [2020-10-15 00:36:47,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8938 states to 8938 states and 14794 transitions. [2020-10-15 00:36:47,835 INFO L78 Accepts]: Start accepts. Automaton has 8938 states and 14794 transitions. Word has length 121 [2020-10-15 00:36:47,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:36:47,836 INFO L479 AbstractCegarLoop]: Abstraction has 8938 states and 14794 transitions. [2020-10-15 00:36:47,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 00:36:47,836 INFO L276 IsEmpty]: Start isEmpty. Operand 8938 states and 14794 transitions. [2020-10-15 00:36:47,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-15 00:36:47,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:36:47,844 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:36:47,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 00:36:47,844 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:36:47,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:36:47,844 INFO L82 PathProgramCache]: Analyzing trace with hash 506532941, now seen corresponding path program 1 times [2020-10-15 00:36:47,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:36:47,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1092513095] [2020-10-15 00:36:47,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:36:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:47,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:48,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:48,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:48,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:48,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:49,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:50,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:52,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:52,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:52,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-15 00:36:52,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 00:36:52,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5053 [2020-10-15 00:36:52,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:52,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:52,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:36:52,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-15 00:36:52,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-15 00:36:52,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:53,668 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2020-10-15 00:36:53,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:36:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:53,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:53,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:53,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:36:53,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:53,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-15 00:36:53,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:53,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:53,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:53,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:36:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:53,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:53,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:53,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:36:53,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:53,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:36:53,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:53,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:53,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:53,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:53,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:36:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:53,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:53,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:53,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:36:53,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:53,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:36:53,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:53,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:53,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:53,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:36:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:53,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:53,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:53,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:36:53,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:53,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:36:53,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:53,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:53,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:53,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:36:53,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 00:36:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:53,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:53,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:53,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:36:53,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:53,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:36:53,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:53,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:53,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:53,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:53,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:53,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:53,914 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-15 00:36:53,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 00:36:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:53,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:53,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:53,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:36:53,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:53,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 00:36:53,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:53,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:36:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:36:53,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:54,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:36:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:54,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:54,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:36:54,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:54,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 00:36:54,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:54,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:54,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:36:54,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:54,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:36:54,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:54,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 00:36:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:54,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:54,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 00:36:54,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:36:54,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-10-15 00:36:54,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:54,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:54,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:36:54,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:54,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 00:36:54,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:54,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:36:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:54,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:54,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:36:54,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:54,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:36:54,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:54,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:54,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:54,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 00:36:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:54,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:54,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:36:54,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:54,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:36:54,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:54,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:54,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:54,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:54,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:54,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:54,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 00:36:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:54,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:54,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:36:54,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:54,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:36:54,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:54,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:54,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:54,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:54,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:54,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:54,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 00:36:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:54,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:54,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 00:36:54,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:54,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 00:36:54,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:54,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:54,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:36:54,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:54,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 00:36:54,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:54,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:36:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:54,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:54,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:36:54,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:54,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:36:54,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:54,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:54,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:54,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:54,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:54,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:36:54,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:36:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:54,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:54,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:36:54,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:54,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:36:54,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:54,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:54,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:54,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 00:36:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:54,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:54,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 00:36:54,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:54,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:36:54,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:54,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:54,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:36:54,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 00:36:54,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 00:36:54,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:54,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:36:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:54,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:54,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:36:54,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:54,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:36:54,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:54,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:54,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:36:54,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:54,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 00:36:54,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:54,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 00:36:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:54,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:54,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:36:54,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:54,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 00:36:54,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:54,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:54,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:54,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 00:36:54,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:54,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:54,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 00:36:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:54,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:54,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:36:54,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:54,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:36:54,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:54,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:54,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:54,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:54,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:54,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:54,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 00:36:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:54,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:54,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:36:54,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:54,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:36:54,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:54,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:54,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:54,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 00:36:54,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:54,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:54,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-15 00:36:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:54,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:54,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:54,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:36:54,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:54,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:36:54,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:54,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:36:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:54,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:36:54,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 00:36:54,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1092513095] [2020-10-15 00:36:54,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:36:54,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 00:36:54,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103425525] [2020-10-15 00:36:54,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 00:36:54,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:36:54,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 00:36:54,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-15 00:36:54,729 INFO L87 Difference]: Start difference. First operand 8938 states and 14794 transitions. Second operand 12 states. [2020-10-15 00:36:55,725 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-15 00:36:56,681 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-15 00:36:57,889 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 00:36:58,997 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:36:59,707 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-15 00:37:01,631 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:37:04,832 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-15 00:37:05,533 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:37:05,953 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 00:37:07,482 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:37:08,769 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-15 00:37:09,054 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 00:37:10,276 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-15 00:37:11,161 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2020-10-15 00:37:13,980 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 00:37:50,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:37:50,623 INFO L93 Difference]: Finished difference Result 33591 states and 62306 transitions. [2020-10-15 00:37:50,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-15 00:37:50,624 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 122 [2020-10-15 00:37:50,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:37:50,844 INFO L225 Difference]: With dead ends: 33591 [2020-10-15 00:37:50,844 INFO L226 Difference]: Without dead ends: 24673 [2020-10-15 00:37:50,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=531, Invalid=1725, Unknown=0, NotChecked=0, Total=2256 [2020-10-15 00:37:50,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24673 states.