/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_spec9_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:54:48,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:54:48,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:54:48,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:54:48,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:54:48,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:54:48,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:54:48,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:54:48,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:54:48,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:54:48,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:54:48,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:54:48,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:54:48,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:54:48,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:54:48,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:54:48,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:54:48,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:54:48,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:54:48,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:54:48,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:54:48,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:54:48,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:54:48,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:54:48,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:54:48,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:54:48,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:54:48,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:54:48,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:54:48,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:54:48,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:54:48,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:54:48,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:54:48,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:54:48,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:54:48,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:54:48,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:54:48,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:54:48,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:54:48,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:54:48,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:54:48,644 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 16:54:48,667 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:54:48,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:54:48,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:54:48,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:54:48,669 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:54:48,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:54:48,669 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:54:48,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:54:48,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:54:48,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:54:48,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:54:48,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:54:48,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:54:48,670 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:54:48,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:54:48,671 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:54:48,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:54:48,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:54:48,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:54:48,671 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:54:48,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:54:48,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:54:48,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:54:48,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:54:48,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:54:48,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:54:48,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:54:48,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:54:48,673 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:54:48,673 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 16:54:49,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:54:49,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:54:49,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:54:49,017 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:54:49,017 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:54:49,018 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product28.cil.c [2020-10-12 16:54:49,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30dc950cc/43fe4cdd96114160a865fe04aa570a71/FLAG765457862 [2020-10-12 16:54:49,682 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:54:49,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec9_product28.cil.c [2020-10-12 16:54:49,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30dc950cc/43fe4cdd96114160a865fe04aa570a71/FLAG765457862 [2020-10-12 16:54:49,908 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30dc950cc/43fe4cdd96114160a865fe04aa570a71 [2020-10-12 16:54:49,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:54:49,921 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:54:49,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:54:49,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:54:49,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:54:49,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:54:49" (1/1) ... [2020-10-12 16:54:49,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a146fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:49, skipping insertion in model container [2020-10-12 16:54:49,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:54:49" (1/1) ... [2020-10-12 16:54:49,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:54:50,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:54:50,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:54:50,886 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:54:51,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:54:51,101 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:54:51,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:51 WrapperNode [2020-10-12 16:54:51,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:54:51,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:54:51,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:54:51,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:54:51,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:51" (1/1) ... [2020-10-12 16:54:51,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:51" (1/1) ... [2020-10-12 16:54:51,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:51" (1/1) ... [2020-10-12 16:54:51,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:51" (1/1) ... [2020-10-12 16:54:51,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:51" (1/1) ... [2020-10-12 16:54:51,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:51" (1/1) ... [2020-10-12 16:54:51,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:51" (1/1) ... [2020-10-12 16:54:51,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:54:51,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:54:51,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:54:51,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:54:51,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:51" (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 16:54:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:54:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:54:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:54:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:54:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:54:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:54:51,390 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:54:51,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:54:51,390 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:54:51,390 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:54:51,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:54:51,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:54:51,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:54:51,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:54:51,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:54:51,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:54:51,392 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:54:51,392 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:54:51,392 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:54:51,392 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:54:51,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:54:51,393 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:54:51,393 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:54:51,393 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:54:51,393 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-12 16:54:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:54:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:54:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:54:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:54:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:54:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:54:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:54:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:54:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:54:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:54:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-12 16:54:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:54:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:54:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:54:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-12 16:54:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:54:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:54:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:54:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-12 16:54:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:54:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-12 16:54:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:54:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:54:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-12 16:54:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-12 16:54:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:54:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:54:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:54:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:54:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:54:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:54:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2020-10-12 16:54:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2020-10-12 16:54:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2020-10-12 16:54:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2020-10-12 16:54:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:54:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:54:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:54:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:54:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:54:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:54:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:54:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:54:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:54:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:54:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:54:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:54:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:54:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:54:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:54:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:54:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:54:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:54:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:54:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:54:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:54:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:54:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:54:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:54:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:54:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:54:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:54:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:54:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:54:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:54:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:54:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:54:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:54:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:54:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:54:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:54:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:54:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:54:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:54:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:54:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:54:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:54:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:54:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:54:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:54:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:54:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:54:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:54:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:54:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:54:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:54:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-12 16:54:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-12 16:54:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:54:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:54:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-12 16:54:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:54:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2020-10-12 16:54:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:54:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:54:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:54:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:54:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-12 16:54:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:54:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:54:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-12 16:54:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:54:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:54:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:54:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-12 16:54:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2020-10-12 16:54:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-12 16:54:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:54:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:54:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:54:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:54:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:54:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:54:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:54:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:54:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:54:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:54:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:54:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:54:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:54:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:54:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:54:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:54:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:54:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:54:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:54:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2020-10-12 16:54:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2020-10-12 16:54:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:54:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:54:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:54:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:54:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:54:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:54:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:54:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:54:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:54:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:54:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:54:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:54:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:54:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:54:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:54:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:54:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:54:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:54:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:54:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:54:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:54:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:54:51,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:54:51,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:54:53,753 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:54:53,753 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:54:53,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:54:53 BoogieIcfgContainer [2020-10-12 16:54:53,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:54:53,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:54:53,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:54:53,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:54:53,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:54:49" (1/3) ... [2020-10-12 16:54:53,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2d6c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:54:53, skipping insertion in model container [2020-10-12 16:54:53,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:51" (2/3) ... [2020-10-12 16:54:53,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2d6c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:54:53, skipping insertion in model container [2020-10-12 16:54:53,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:54:53" (3/3) ... [2020-10-12 16:54:53,777 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product28.cil.c [2020-10-12 16:54:53,788 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:54:53,800 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:54:53,816 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:54:53,850 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:54:53,850 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:54:53,850 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:54:53,850 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:54:53,850 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:54:53,851 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:54:53,851 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:54:53,851 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:54:53,900 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states. [2020-10-12 16:54:53,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-12 16:54:53,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:54:53,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:53,914 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:54:53,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:54:53,920 INFO L82 PathProgramCache]: Analyzing trace with hash 961296188, now seen corresponding path program 1 times [2020-10-12 16:54:53,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:54:53,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588595980] [2020-10-12 16:54:53,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:54:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:54,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:54,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:54,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:59,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:59,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:59,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-12 16:54:59,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:54:59,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-12 16:54:59,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:59,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 16:54:59,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:54:59,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 16:54:59,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:55:00,600 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:55:00,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:55:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:00,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:00,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:00,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:55:00,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:00,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-12 16:55:00,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:00,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:55:00,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:00,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:55:00,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:55:00,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:55:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:00,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:00,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:00,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:55:00,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:00,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:55:00,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:55:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:00,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:55:00,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:55:00,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:55:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:00,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:00,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:00,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:55:00,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:00,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:55:00,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:55:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:55:00,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:00,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:55:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:00,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:00,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:01,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:55:01,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:01,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:55:01,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:01,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:55:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:55:01,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:55:01,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:55:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:01,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:01,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:01,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:55:01,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:01,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:55:01,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:55:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:55:01,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:55:01,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:55:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:01,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:01,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:01,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:55:01,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:01,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:55:01,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:01,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:55:01,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:01,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:55:01,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:55:01,309 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:55:01,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:55:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:01,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:01,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:01,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:01,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:02,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:04,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:04,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:06,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:06,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 16:55:06,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:55:06,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 16:55:06,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:55:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:55:06,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:55:06,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:06,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:55:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:06,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:06,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:06,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:06,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:06,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:06,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:55:06,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:55:06,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 397 [2020-10-12 16:55:06,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:06,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:55:06,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:55:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:55:06,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:06,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:55:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:06,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:06,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:06,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:06,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:55:06,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:55:06,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:55:06,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:06,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:55:06,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:06,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:55:06,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:06,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:55:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:06,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:06,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:06,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:07,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:07,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:55:07,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:55:07,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-12 16:55:07,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:55:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:55:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:55:07,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:07,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:55:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:07,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:07,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:07,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:55:07,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:07,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:55:07,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:07,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:55:07,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:07,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:55:07,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:07,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 16:55:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:07,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:07,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:07,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:07,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:07,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 16:55:07,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:55:07,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-12 16:55:07,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:07,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:55:07,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 16:55:07,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:55:07,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:07,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:55:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:07,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:07,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:07,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 16:55:07,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:07,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 16:55:07,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:07,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:55:07,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 16:55:07,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:55:07,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:07,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:55:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:07,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:07,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:07,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:55:07,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:07,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:55:07,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:07,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:55:07,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:07,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:55:07,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:07,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:55:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:07,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:07,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:07,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:55:07,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:07,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 16:55:07,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:55:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 16:55:07,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:55:07,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:07,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:55:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:07,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:07,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:07,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:55:07,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:07,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:55:07,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:07,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:55:07,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:07,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:55:07,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:07,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:55:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:07,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:07,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:07,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:55:07,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:07,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:55:07,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:07,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:55:07,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:07,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:55:07,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 16:55:07,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588595980] [2020-10-12 16:55:07,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:55:07,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 16:55:07,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960433747] [2020-10-12 16:55:07,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 16:55:07,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:55:07,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 16:55:07,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-10-12 16:55:07,684 INFO L87 Difference]: Start difference. First operand 793 states. Second operand 18 states. [2020-10-12 16:55:09,586 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:55:10,115 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:55:11,078 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:55:11,974 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:55:12,822 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:55:13,714 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:55:14,574 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-12 16:55:15,452 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:55:16,368 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-12 16:55:17,316 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:55:18,937 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:55:21,765 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:55:23,280 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:55:31,543 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:55:32,415 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:55:33,217 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:55:46,345 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:55:47,102 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:56:01,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:56:01,359 INFO L93 Difference]: Finished difference Result 2397 states and 4180 transitions. [2020-10-12 16:56:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 16:56:01,361 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 87 [2020-10-12 16:56:01,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:56:01,414 INFO L225 Difference]: With dead ends: 2397 [2020-10-12 16:56:01,414 INFO L226 Difference]: Without dead ends: 1799 [2020-10-12 16:56:01,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=427, Invalid=2023, Unknown=0, NotChecked=0, Total=2450 [2020-10-12 16:56:01,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2020-10-12 16:56:01,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1094. [2020-10-12 16:56:01,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1094 states. [2020-10-12 16:56:01,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1756 transitions. [2020-10-12 16:56:01,900 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1756 transitions. Word has length 87 [2020-10-12 16:56:01,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:56:01,901 INFO L479 AbstractCegarLoop]: Abstraction has 1094 states and 1756 transitions. [2020-10-12 16:56:01,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 16:56:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1756 transitions. [2020-10-12 16:56:01,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-12 16:56:01,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:56:01,934 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, 1] [2020-10-12 16:56:01,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:56:01,934 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:56:01,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:56:01,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1998413384, now seen corresponding path program 1 times [2020-10-12 16:56:01,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:56:01,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407625961] [2020-10-12 16:56:01,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:56:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:02,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:02,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:02,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:02,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:03,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:03,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:04,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:07,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:07,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-12 16:56:07,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:56:07,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5069 [2020-10-12 16:56:07,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:07,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 16:56:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:56:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 16:56:07,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:56:07,920 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:56:07,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:56:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:07,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:08,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:08,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:08,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:08,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-12 16:56:08,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:08,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:08,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:08,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:56:08,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:56:08,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:56:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:08,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:08,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:08,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:56:08,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:08,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:08,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:08,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:56:08,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:56:08,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:56:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:08,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:08,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:08,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:56:08,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:08,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:56:08,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:08,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:08,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:08,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:56:08,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:08,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:56:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:08,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:08,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:08,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:08,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:08,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:56:08,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:08,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:08,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:08,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:56:08,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:08,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:56:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:08,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:08,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:08,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:56:08,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:08,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:08,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:08,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:08,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:08,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:56:08,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:08,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:56:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:08,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:08,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:08,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:08,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:08,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:56:08,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:08,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:56:08,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:08,377 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:56:08,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:56:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:08,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:08,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:08,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:08,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:08,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:08,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:13,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:13,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-12 16:56:13,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:56:13,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 16:56:13,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:56:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-12 16:56:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 16:56:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:13,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:56:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:13,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:13,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:13,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:13,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:13,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:14,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:14,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:56:14,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:56:14,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 611 [2020-10-12 16:56:14,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:14,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:56:14,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:56:14,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:56:14,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:14,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:14,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:14,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:14,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:14,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:56:14,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:56:14,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:56:14,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:14,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:56:14,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:56:14,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:56:14,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:14,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:56:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:14,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:14,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:14,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:14,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:14,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:56:14,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:56:14,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 16:56:14,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:14,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:56:14,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:56:14,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:56:14,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:14,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:56:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:14,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:14,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:14,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:56:14,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:14,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:56:14,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:56:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:14,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:56:14,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:56:14,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:56:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:14,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:14,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:14,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:19,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:19,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 16:56:19,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:56:19,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 16:56:19,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:56:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:56:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 16:56:19,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:56:19,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:19,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:19,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:19,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:24,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:24,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-12 16:56:24,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:56:24,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4833 [2020-10-12 16:56:24,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:24,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:56:24,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 16:56:24,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 16:56:24,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:24,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:24,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:24,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:24,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:24,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:24,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:24,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:24,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:24,646 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-12 16:56:24,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:56:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:24,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:24,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 16:56:25,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:56:25,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 582 [2020-10-12 16:56:25,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:56:25,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 16:56:25,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 16:56:25,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:56:25,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 16:56:25,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:56:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 16:56:25,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:56:25,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:25,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:56:25,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:56:25,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:56:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:25,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:25,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:56:25,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:56:25,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:56:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:56:25,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 16:56:25,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:56:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 16:56:25,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:56:25,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:56:25,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:56:25,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:56:25,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:56:25,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:56:25,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:56:25,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:56:25,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:56:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:25,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:25,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:56:25,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:56:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:56:25,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:56:25,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:56:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:56:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:56:25,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:56:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:56:25,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:56:25,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 16:56:25,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:25,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:56:25,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:56:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:56:25,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:25,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:56:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:25,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:56:25,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,851 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 16:56:25,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407625961] [2020-10-12 16:56:25,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:56:25,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-12 16:56:25,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336818360] [2020-10-12 16:56:25,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 16:56:25,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:56:25,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 16:56:25,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2020-10-12 16:56:25,855 INFO L87 Difference]: Start difference. First operand 1094 states and 1756 transitions. Second operand 28 states. [2020-10-12 16:56:28,315 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:56:28,795 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:56:29,727 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:56:30,598 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-12 16:56:31,661 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:56:32,483 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-12 16:56:33,402 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:56:34,365 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-12 16:56:35,369 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:56:37,055 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-12 16:56:38,060 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:56:38,877 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-12 16:56:40,513 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 408 DAG size of output: 406 [2020-10-12 16:56:42,412 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 410 DAG size of output: 408 [2020-10-12 16:56:43,275 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:56:44,883 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 410 DAG size of output: 408 [2020-10-12 16:56:46,497 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 411 DAG size of output: 409 [2020-10-12 16:56:48,088 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 410 DAG size of output: 408 [2020-10-12 16:56:49,719 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 412 DAG size of output: 410 [2020-10-12 16:56:50,603 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:56:51,473 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:56:52,067 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 132 [2020-10-12 16:56:53,692 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 406 DAG size of output: 404 [2020-10-12 16:56:53,934 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:56:54,842 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:56:56,779 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 408 DAG size of output: 406 [2020-10-12 16:56:58,575 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 410 DAG size of output: 408 [2020-10-12 16:56:59,728 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:57:00,635 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:57:01,913 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2020-10-12 16:57:02,526 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 16:57:04,077 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 408 DAG size of output: 406 [2020-10-12 16:57:05,860 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:57:07,506 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:57:08,350 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:57:10,809 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:57:12,680 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 409 DAG size of output: 407 [2020-10-12 16:57:13,903 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-12 16:57:14,304 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2020-10-12 16:57:14,823 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 16:57:16,372 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-12 16:57:16,996 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 16:57:17,461 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:57:18,424 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 16:57:18,592 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 16:57:18,929 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 16:57:19,488 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:57:19,670 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:57:20,474 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:57:21,805 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:57:23,299 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:57:24,354 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:57:25,345 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:57:26,277 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-12 16:57:28,049 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:57:32,038 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:57:32,934 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:57:33,807 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:57:34,643 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:57:35,784 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:57:36,763 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:57:38,072 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:57:39,158 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:57:40,910 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 16:57:44,890 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-10-12 16:57:50,392 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:57:52,860 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 16:57:56,367 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:57:57,170 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:57:57,973 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:57:59,505 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 408 DAG size of output: 406 [2020-10-12 16:58:00,321 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:58:01,195 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:58:02,035 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:58:02,744 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 16:58:02,983 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 16:58:03,847 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:58:11,065 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:58:11,849 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:58:12,668 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:58:13,645 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 16:58:13,813 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:58:14,618 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:58:16,317 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:58:17,191 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:58:17,482 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 16:58:17,657 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 16:58:18,490 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:58:19,414 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:58:20,251 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:58:21,438 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:58:22,355 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:58:23,448 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 16:58:23,943 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2020-10-12 16:58:24,318 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:58:25,228 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:58:27,241 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:58:27,426 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 127