/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:50:34,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:50:34,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:50:34,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:50:34,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:50:34,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:50:34,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:50:34,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:50:34,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:50:34,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:50:34,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:50:34,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:50:34,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:50:34,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:50:34,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:50:34,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:50:34,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:50:34,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:50:34,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:50:34,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:50:34,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:50:34,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:50:34,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:50:34,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:50:34,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:50:34,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:50:34,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:50:34,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:50:34,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:50:34,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:50:34,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:50:34,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:50:34,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:50:34,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:50:34,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:50:34,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:50:34,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:50:34,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:50:34,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:50:34,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:50:34,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:50:34,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 16:50:34,984 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:50:34,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:50:34,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:50:34,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:50:34,986 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:50:34,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:50:34,986 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:50:34,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:50:34,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:50:34,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:50:34,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:50:34,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:50:34,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:50:34,987 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:50:34,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:50:34,988 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:50:34,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:50:34,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:50:34,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:50:34,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:50:34,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:50:34,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:50:34,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:50:34,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:50:34,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:50:34,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:50:34,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:50:34,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:50:34,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:50:34,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:50:35,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:50:35,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:50:35,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:50:35,296 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:50:35,297 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:50:35,297 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product20.cil.c [2020-10-12 16:50:35,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/314e277b2/5bc4fd1033df4c2f9e97fab13d74a532/FLAG0cb060d9d [2020-10-12 16:50:35,997 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:50:35,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product20.cil.c [2020-10-12 16:50:36,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/314e277b2/5bc4fd1033df4c2f9e97fab13d74a532/FLAG0cb060d9d [2020-10-12 16:50:36,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/314e277b2/5bc4fd1033df4c2f9e97fab13d74a532 [2020-10-12 16:50:36,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:50:36,130 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:50:36,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:50:36,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:50:36,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:50:36,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:50:36" (1/1) ... [2020-10-12 16:50:36,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e88bac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:50:36, skipping insertion in model container [2020-10-12 16:50:36,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:50:36" (1/1) ... [2020-10-12 16:50:36,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:50:36,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:50:36,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:50:36,975 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:50:37,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:50:37,173 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:50:37,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:50:37 WrapperNode [2020-10-12 16:50:37,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:50:37,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:50:37,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:50:37,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:50:37,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:50:37" (1/1) ... [2020-10-12 16:50:37,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:50:37" (1/1) ... [2020-10-12 16:50:37,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:50:37" (1/1) ... [2020-10-12 16:50:37,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:50:37" (1/1) ... [2020-10-12 16:50:37,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:50:37" (1/1) ... [2020-10-12 16:50:37,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:50:37" (1/1) ... [2020-10-12 16:50:37,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:50:37" (1/1) ... [2020-10-12 16:50:37,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:50:37,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:50:37,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:50:37,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:50:37,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:50:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:50:37,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:50:37,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:50:37,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:50:37,519 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:50:37,519 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:50:37,519 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:50:37,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:50:37,519 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:50:37,520 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:50:37,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:50:37,520 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:50:37,520 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:50:37,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:50:37,521 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:50:37,521 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:50:37,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:50:37,521 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:50:37,521 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:50:37,522 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:50:37,522 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:50:37,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:50:37,522 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:50:37,522 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:50:37,522 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:50:37,523 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:50:37,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:50:37,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:50:37,523 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:50:37,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:50:37,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-12 16:50:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:50:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:50:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:50:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-12 16:50:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:50:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:50:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:50:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-12 16:50:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:50:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-12 16:50:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:50:37,526 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:50:37,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-12 16:50:37,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-12 16:50:37,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:50:37,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:50:37,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:50:37,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:50:37,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:50:37,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:50:37,527 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:50:37,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:50:37,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:50:37,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:50:37,527 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:50:37,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:50:37,528 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:50:37,528 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:50:37,528 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:50:37,528 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:50:37,528 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:50:37,529 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:50:37,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:50:37,529 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:50:37,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:50:37,529 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:50:37,529 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:50:37,530 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:50:37,530 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:50:37,530 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:50:37,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:50:37,530 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:50:37,531 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:50:37,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:50:37,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:50:37,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:50:37,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-12 16:50:37,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-12 16:50:37,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:50:37,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:50:37,532 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:50:37,532 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:50:37,532 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:50:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:50:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:50:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:50:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:50:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:50:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:50:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:50:37,534 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:50:37,534 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:50:37,534 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:50:37,534 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:50:37,534 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:50:37,534 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:50:37,534 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:50:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:50:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:50:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:50:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:50:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:50:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:50:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:50:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:50:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:50:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-12 16:50:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-12 16:50:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:50:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:50:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:50:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:50:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:50:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:50:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:50:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-12 16:50:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:50:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:50:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-12 16:50:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:50:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:50:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:50:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-12 16:50:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-12 16:50:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-12 16:50:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-12 16:50:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:50:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:50:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:50:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:50:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:50:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:50:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:50:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:50:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:50:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:50:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:50:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:50:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:50:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:50:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:50:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:50:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:50:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:50:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:50:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:50:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:50:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:50:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:50:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:50:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:50:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:50:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:50:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:50:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:50:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:50:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:50:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:50:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:50:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:50:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:50:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:50:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:50:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:50:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:50:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:50:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:50:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:50:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:50:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:50:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:50:39,703 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:50:39,703 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:50:39,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:50:39 BoogieIcfgContainer [2020-10-12 16:50:39,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:50:39,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:50:39,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:50:39,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:50:39,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:50:36" (1/3) ... [2020-10-12 16:50:39,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64694fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:50:39, skipping insertion in model container [2020-10-12 16:50:39,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:50:37" (2/3) ... [2020-10-12 16:50:39,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64694fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:50:39, skipping insertion in model container [2020-10-12 16:50:39,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:50:39" (3/3) ... [2020-10-12 16:50:39,723 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product20.cil.c [2020-10-12 16:50:39,733 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:50:39,742 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:50:39,757 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:50:39,784 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:50:39,785 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:50:39,785 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:50:39,785 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:50:39,785 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:50:39,785 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:50:39,785 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:50:39,785 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:50:39,835 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states. [2020-10-12 16:50:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-12 16:50:39,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:50:39,861 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:50:39,861 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:50:39,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:50:39,868 INFO L82 PathProgramCache]: Analyzing trace with hash 728591762, now seen corresponding path program 1 times [2020-10-12 16:50:39,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:50:39,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285974470] [2020-10-12 16:50:39,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:50:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:40,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:41,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:42,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:42,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:42,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:43,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:45,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:45,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:45,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 16:50:45,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:50:45,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5068 [2020-10-12 16:50:45,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:45,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 16:50:45,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:50:45,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-12 16:50:45,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 16:50:46,716 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:50:46,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:50:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:46,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:46,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:46,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:46,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:46,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-12 16:50:46,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:50:46,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:46,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:50:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:46,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:46,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:46,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:50:46,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:46,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:50:46,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:46,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:46,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:46,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:50:46,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:46,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:50:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:46,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:46,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:46,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:50:46,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:46,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:50:46,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:50:46,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:46,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:50:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:46,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:46,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:46,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:46,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:46,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:50:46,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:46,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:46,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:47,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:50:47,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:47,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:50:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:47,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:47,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:47,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:50:47,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:47,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:50:47,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:47,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:47,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:47,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:50:47,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:47,169 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:50:47,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:50:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:47,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:47,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:47,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:50:47,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:47,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 16:50:47,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:47,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:47,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:47,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:50:47,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:47,420 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 16:50:47,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:50:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:47,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:47,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:47,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:47,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:47,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 16:50:47,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:47,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:47,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:47,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:47,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:47,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:50:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:47,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:47,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:47,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:47,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:47,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:50:47,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:50:47,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 526 [2020-10-12 16:50:47,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:47,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:50:48,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:50:48,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:50:48,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:48,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:50:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:48,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:48,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:48,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:50:48,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:48,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:50:48,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:48,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:50:48,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:48,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:50:48,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:48,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:50:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:48,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:48,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:48,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:48,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:50:48,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:50:48,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 16:50:48,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:50:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:50:48,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:50:48,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:48,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:50:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:48,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:48,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:48,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:50:48,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:48,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:50:48,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:48,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:50:48,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:48,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:50:48,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:48,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:50:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:48,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:48,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:48,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:50:48,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:48,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 16:50:48,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:50:48,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:48,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:50:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:48,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:48,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:48,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:48,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:48,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:50:48,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:48,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:48,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:48,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:48,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-12 16:50:48,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:50:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:48,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:48,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:48,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:48,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:48,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:50:48,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:48,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:48,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:48,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:48,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:50:48,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:50:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:48,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:48,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:48,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:48,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:48,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:50:48,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:48,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:48,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:48,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:50:48,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:48,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:50:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:48,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:48,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:48,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:48,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:48,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:50:48,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:48,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:48,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:50:48,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:48,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:50:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 16:50:48,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285974470] [2020-10-12 16:50:48,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:50:48,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-12 16:50:48,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653795173] [2020-10-12 16:50:48,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 16:50:48,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:50:48,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 16:50:48,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-10-12 16:50:48,759 INFO L87 Difference]: Start difference. First operand 809 states. Second operand 15 states. [2020-10-12 16:50:51,248 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:50:51,727 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:50:52,720 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:50:53,533 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:50:54,334 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:50:55,189 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:50:56,019 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:50:56,849 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:50:57,709 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:50:58,609 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:50:59,805 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:51:01,418 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:51:07,541 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 16:51:18,391 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:51:19,195 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:51:19,930 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:51:20,691 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:51:21,462 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:51:22,224 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:51:23,024 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:51:23,819 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:51:38,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:51:38,160 INFO L93 Difference]: Finished difference Result 2399 states and 4206 transitions. [2020-10-12 16:51:38,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-12 16:51:38,162 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 93 [2020-10-12 16:51:38,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:51:38,206 INFO L225 Difference]: With dead ends: 2399 [2020-10-12 16:51:38,207 INFO L226 Difference]: Without dead ends: 1742 [2020-10-12 16:51:38,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=545, Invalid=2647, Unknown=0, NotChecked=0, Total=3192 [2020-10-12 16:51:38,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2020-10-12 16:51:38,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1215. [2020-10-12 16:51:38,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2020-10-12 16:51:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1953 transitions. [2020-10-12 16:51:38,697 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1953 transitions. Word has length 93 [2020-10-12 16:51:38,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:51:38,698 INFO L479 AbstractCegarLoop]: Abstraction has 1215 states and 1953 transitions. [2020-10-12 16:51:38,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 16:51:38,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1953 transitions. [2020-10-12 16:51:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-12 16:51:38,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:51:38,707 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:51:38,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:51:38,708 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:51:38,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:51:38,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1107887054, now seen corresponding path program 1 times [2020-10-12 16:51:38,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:51:38,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568428729] [2020-10-12 16:51:38,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:51:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:38,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:38,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:39,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:39,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:39,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:40,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:40,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:40,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:43,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:43,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-12 16:51:43,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:51:43,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5066 [2020-10-12 16:51:43,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:43,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 16:51:43,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 16:51:43,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 16:51:43,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:44,735 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:51:44,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:51:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:44,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:44,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:44,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:44,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:44,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 16:51:44,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:44,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:44,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:51:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:44,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:44,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:44,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:51:44,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:44,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:51:44,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:44,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:44,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:44,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:44,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:44,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:51:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:44,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:44,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:44,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:51:44,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:44,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:51:44,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:44,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:44,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:44,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:44,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:44,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:51:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:44,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:44,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:44,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:44,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:44,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:51:44,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:44,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:44,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:44,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:44,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:44,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:51:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:44,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:44,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:44,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:51:44,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:44,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:51:44,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:44,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:44,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:44,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:44,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:44,992 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:51:44,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:51:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:45,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:45,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:45,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:51:45,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:45,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 16:51:45,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:51:45,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:45,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:45,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:45,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:45,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:45,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:45,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:51:45,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:45,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:45,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:45,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:51:45,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:45,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:51:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:45,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:45,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:45,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:45,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:45,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:45,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:45,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:51:45,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:51:45,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 613 [2020-10-12 16:51:45,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:45,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:51:45,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:51:45,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:51:45,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:45,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:45,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:45,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:45,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:45,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:45,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:51:45,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:51:45,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 16:51:45,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:45,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:51:45,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:45,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:51:45,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:51:45,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:51:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:45,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:45,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:46,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:46,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:51:46,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:51:46,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-12 16:51:46,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:46,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:51:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:51:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:51:46,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:51:46,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:51:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:46,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:46,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:46,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:51:46,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:46,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:51:46,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:51:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:46,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:51:46,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:46,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:51:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:46,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:46,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:46,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:46,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:46,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:46,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:51:46,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:51:46,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 16:51:46,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:51:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 16:51:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 16:51:46,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:46,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:46,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:46,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:46,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:46,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:46,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:51:46,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:46,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:51:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:51:46,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:46,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:51:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:46,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:46,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:46,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:46,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:46,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:51:46,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:46,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:46,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:46,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:51:46,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:46,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:51:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:46,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:46,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:46,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:46,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:46,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:51:46,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:46,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:46,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:51:46,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:46,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:46,730 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:51:46,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 16:51:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:46,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:46,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:46,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:47,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:47,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 16:51:47,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:51:47,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1074 [2020-10-12 16:51:47,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:51:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 16:51:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 16:51:47,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:47,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:47,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:47,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:47,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:51:47,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:47,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 16:51:47,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:51:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 16:51:47,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:48,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:48,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:48,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:48,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:51:48,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:48,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:51:48,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:48,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:48,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:48,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:48,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:48,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:48,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:48,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:48,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:51:48,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:48,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:51:48,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:48,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:48,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:48,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:48,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:48,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:51:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:48,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:48,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:48,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:48,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:48,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:51:48,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:48,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:51:48,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:48,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:51:48,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:48,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:51:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:48,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:48,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:48,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:51:48,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:48,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 16:51:48,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:51:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 16:51:48,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:48,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:48,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:48,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:48,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:51:48,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:48,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 16:51:48,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:48,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:51:48,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:48,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:51:48,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:48,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:48,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:48,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:48,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:51:48,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:48,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:51:48,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:51:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:48,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:51:48,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:48,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:51:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:48,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:48,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:48,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:48,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:48,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:51:48,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:51:48,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:48,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:51:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:48,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:48,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:48,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:51:48,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:48,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:51:48,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:51:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:51:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:51:48,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:48,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 16:51:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:48,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:48,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:48,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:48,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:48,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:51:48,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:51:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:48,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:48,532 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-12 16:51:48,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568428729] [2020-10-12 16:51:48,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:51:48,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 16:51:48,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210472218] [2020-10-12 16:51:48,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 16:51:48,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:51:48,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 16:51:48,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=848, Unknown=0, NotChecked=0, Total=930 [2020-10-12 16:51:48,536 INFO L87 Difference]: Start difference. First operand 1215 states and 1953 transitions. Second operand 31 states. [2020-10-12 16:51:51,259 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:51:52,610 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:51:53,596 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:51:54,453 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:51:55,301 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:51:56,189 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:51:57,016 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:51:57,937 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:51:58,852 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:51:59,818 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:52:01,477 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 16:52:02,275 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:52:02,659 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 155 [2020-10-12 16:52:03,025 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 155 [2020-10-12 16:52:04,564 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:52:05,360 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:52:06,937 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 399 DAG size of output: 395 [2020-10-12 16:52:08,819 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 401 DAG size of output: 397 [2020-10-12 16:52:10,422 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 403 DAG size of output: 399 [2020-10-12 16:52:12,002 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 402 DAG size of output: 398 [2020-10-12 16:52:13,693 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 405 DAG size of output: 401 [2020-10-12 16:52:15,329 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 402 DAG size of output: 398 [2020-10-12 16:52:16,070 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-12 16:52:18,373 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 402 DAG size of output: 398 [2020-10-12 16:52:19,371 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2020-10-12 16:52:23,885 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:52:24,664 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:52:25,473 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:52:26,342 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:52:26,569 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 16:52:27,607 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:52:28,467 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:52:28,936 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:52:30,286 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:52:31,863 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:52:32,843 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:52:33,762 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 16:52:34,449 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 16:52:35,389 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:52:36,383 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-12 16:52:37,264 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:52:37,538 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-12 16:52:39,784 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 16:52:40,399 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 16:52:43,696 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2020-10-12 16:52:44,402 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-10-12 16:52:45,012 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 120 [2020-10-12 16:52:46,704 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 403 DAG size of output: 400 [2020-10-12 16:52:47,622 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-12 16:52:49,343 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 405 DAG size of output: 402 [2020-10-12 16:52:49,827 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 168 [2020-10-12 16:52:52,117 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:52:52,944 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:52:55,056 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 407 DAG size of output: 404 [2020-10-12 16:52:56,710 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 409 DAG size of output: 406 [2020-10-12 16:52:57,755 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 161 [2020-10-12 16:52:59,827 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 406 DAG size of output: 403 [2020-10-12 16:53:00,816 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 128 [2020-10-12 16:53:08,903 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 406 DAG size of output: 403 [2020-10-12 16:53:10,544 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 406 DAG size of output: 403 [2020-10-12 16:53:11,488 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:53:12,327 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:53:13,179 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:53:14,073 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:53:14,347 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-12 16:53:15,463 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:53:16,376 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:53:16,871 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 16:53:18,316 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:53:20,066 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:53:21,809 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 16:53:25,698 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:53:25,932 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-12 16:53:26,150 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 16:53:30,267 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:53:30,944 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 16:53:32,736 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 16:53:33,335 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:53:37,501 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 125 [2020-10-12 16:53:39,451 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:53:40,387 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 16:53:41,190 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:53:41,442 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-12 16:53:41,671 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 16:53:42,413 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:53:43,270 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:53:44,877 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:53:45,707 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:53:46,586 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:53:47,447 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:53:48,358 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:53:49,572 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:53:50,480 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:53:51,428 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:53:52,352 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:53:53,217 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:53:54,095 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:53:54,966 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:53:55,820 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:53:56,667 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:53:58,247 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 400 DAG size of output: 397 [2020-10-12 16:53:59,057 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:54:00,575 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 397 DAG size of output: 394 [2020-10-12 16:54:01,436 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:54:03,204 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 400 DAG size of output: 397 [2020-10-12 16:54:04,872 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 403 DAG size of output: 400 [2020-10-12 16:54:05,220 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-12 16:54:06,351 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2020-10-12 16:54:06,719 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 16:54:07,020 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:54:07,921 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:54:08,903 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:54:10,443 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:54:11,363 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:54:11,769 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 16:54:12,964 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 122 [2020-10-12 16:54:13,822 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:54:14,269 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:54:14,521 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:54:16,405 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 399 DAG size of output: 396 [2020-10-12 16:54:19,034 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 157 [2020-10-12 16:54:20,143 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 16:54:21,479 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2020-10-12 16:54:22,292 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121