/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_spec14_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:35:23,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:35:23,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:35:23,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:35:23,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:35:23,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:35:23,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:35:23,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:35:23,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:35:23,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:35:23,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:35:23,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:35:23,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:35:23,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:35:23,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:35:23,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:35:23,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:35:23,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:35:23,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:35:23,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:35:23,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:35:23,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:35:23,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:35:23,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:35:23,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:35:23,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:35:23,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:35:23,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:35:23,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:35:23,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:35:23,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:35:23,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:35:23,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:35:23,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:35:23,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:35:23,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:35:23,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:35:23,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:35:23,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:35:23,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:35:23,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:35:23,148 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 16:35:23,170 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:35:23,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:35:23,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:35:23,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:35:23,172 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:35:23,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:35:23,172 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:35:23,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:35:23,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:35:23,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:35:23,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:35:23,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:35:23,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:35:23,173 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:35:23,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:35:23,174 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:35:23,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:35:23,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:35:23,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:35:23,180 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:35:23,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:35:23,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:35:23,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:35:23,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:35:23,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:35:23,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:35:23,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:35:23,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:35:23,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:35:23,182 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 16:35:23,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:35:23,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:35:23,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:35:23,531 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:35:23,532 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:35:23,533 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product24.cil.c [2020-10-12 16:35:23,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce8ea154c/eac42979bae54bacb6a6bd426beed0a8/FLAGf2d3b1682 [2020-10-12 16:35:24,128 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:35:24,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec14_product24.cil.c [2020-10-12 16:35:24,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce8ea154c/eac42979bae54bacb6a6bd426beed0a8/FLAGf2d3b1682 [2020-10-12 16:35:24,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce8ea154c/eac42979bae54bacb6a6bd426beed0a8 [2020-10-12 16:35:24,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:35:24,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:35:24,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:35:24,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:35:24,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:35:24,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:35:24" (1/1) ... [2020-10-12 16:35:24,436 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 04:35:24, skipping insertion in model container [2020-10-12 16:35:24,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:35:24" (1/1) ... [2020-10-12 16:35:24,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:35:24,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:35:25,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:35:25,156 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:35:25,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:35:25,355 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:35:25,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:25 WrapperNode [2020-10-12 16:35:25,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:35:25,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:35:25,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:35:25,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:35:25,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:25" (1/1) ... [2020-10-12 16:35:25,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:25" (1/1) ... [2020-10-12 16:35:25,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:25" (1/1) ... [2020-10-12 16:35:25,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:25" (1/1) ... [2020-10-12 16:35:25,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:25" (1/1) ... [2020-10-12 16:35:25,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:25" (1/1) ... [2020-10-12 16:35:25,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:25" (1/1) ... [2020-10-12 16:35:25,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:35:25,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:35:25,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:35:25,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:35:25,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:25" (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 16:35:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:35:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:35:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:35:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:35:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:35:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:35:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:35:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:35:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:35:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:35:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:35:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:35:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:35:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:35:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:35:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:35:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:35:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:35:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:35:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:35:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:35:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2020-10-12 16:35:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:35:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:35:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:35:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:35:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:35:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:35:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:35:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:35:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:35:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:35:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:35:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:35:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:35:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:35:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:35:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:35:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-12 16:35:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-12 16:35:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:35:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:35:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:35:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-12 16:35:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-12 16:35:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:35:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:35:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:35:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-12 16:35:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:35:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-12 16:35:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:35:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:35:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-12 16:35:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-12 16:35:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:35:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:35:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:35:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:35:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:35:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:35:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:35:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:35:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:35:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:35:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:35:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:35:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:35:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:35:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:35:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:35:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:35:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:35:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:35:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:35:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:35:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:35:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:35:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:35:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:35:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:35:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:35:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:35:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:35:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:35:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:35:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:35:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:35:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:35:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:35:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:35:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:35:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:35:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:35:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:35:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:35:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:35:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:35:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:35:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:35:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:35:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:35:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:35:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:35:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:35:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:35:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:35:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:35:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:35:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:35:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:35:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:35:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:35:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-12 16:35:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-12 16:35:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2020-10-12 16:35:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:35:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:35:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:35:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:35:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:35:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:35:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:35:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:35:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:35:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:35:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:35:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:35:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:35:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:35:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:35:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:35:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:35:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:35:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:35:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:35:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:35:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-12 16:35:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-12 16:35:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:35:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:35:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-12 16:35:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-12 16:35:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:35:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:35:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:35:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-12 16:35:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-12 16:35:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:35:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:35:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:35:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:35:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:35:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:35:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:35:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:35:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:35:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:35:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:35:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:35:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:35:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:35:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:35:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:35:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:35:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:35:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:35:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:35:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:35:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:35:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:35:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:35:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:35:27,792 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:35:27,792 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:35:27,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:35:27 BoogieIcfgContainer [2020-10-12 16:35:27,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:35:27,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:35:27,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:35:27,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:35:27,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:35:24" (1/3) ... [2020-10-12 16:35:27,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7261eb2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:35:27, skipping insertion in model container [2020-10-12 16:35:27,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:25" (2/3) ... [2020-10-12 16:35:27,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7261eb2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:35:27, skipping insertion in model container [2020-10-12 16:35:27,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:35:27" (3/3) ... [2020-10-12 16:35:27,811 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product24.cil.c [2020-10-12 16:35:27,821 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:35:27,830 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:35:27,847 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:35:27,877 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:35:27,877 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:35:27,877 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:35:27,877 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:35:27,877 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:35:27,878 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:35:27,878 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:35:27,878 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:35:27,916 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states. [2020-10-12 16:35:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-12 16:35:27,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:35:27,932 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:35:27,932 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:35:27,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:35:27,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1147677768, now seen corresponding path program 1 times [2020-10-12 16:35:27,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:35:27,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [699357020] [2020-10-12 16:35:27,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:35:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:28,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:28,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:28,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:29,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:32,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:33,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:33,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 16:35:33,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:35:33,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-12 16:35:33,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:33,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 16:35:33,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:35:33,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 16:35:33,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:35:34,493 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:35:34,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:35:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:34,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:34,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:34,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:34,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:34,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-12 16:35:34,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:34,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:35:34,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:34,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:35:34,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:35:34,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:35:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:34,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:34,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:34,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:35:34,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:34,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:35:34,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:34,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:35:34,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:34,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:35:34,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:35:34,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:35:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:34,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:34,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:34,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:35:34,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:34,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:35:34,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:34,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:35:34,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:34,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:35:34,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 16:35:34,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:35:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:34,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:34,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:34,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:34,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:34,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:35:34,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:34,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:35:34,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:34,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:35:34,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:34,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:35:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:34,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:34,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:34,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:35:34,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:34,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:35:34,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:34,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:35:34,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:34,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:35:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:34,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:35:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:34,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:34,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:34,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:34,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:35,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:35,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:35,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:35:35,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:35:35,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 924 [2020-10-12 16:35:35,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:35,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:35:35,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:35:35,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:35:35,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:35,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:35:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:35,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:35,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:35,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:35,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:35:35,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:35:35,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:35:35,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:35:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:35:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:35:35,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:35,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:35:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:35,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:35,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:35,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:36,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:36,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:35:36,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:35:36,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-12 16:35:36,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:36,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:35:36,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:35:36,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:35:36,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:36,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:35:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:36,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:36,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:36,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:35:36,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:36,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:35:36,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:36,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:35:36,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:36,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:35:36,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:36,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:35:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:36,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:36,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:36,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:36,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:36,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:35:36,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:36,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:35:36,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:36,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:35:36,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:36,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:35:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:36,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:36,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:36,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:35:36,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:36,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:35:36,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:36,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:36,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 16:35:36,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:36,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:36,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:35:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:36,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:36,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:36,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:35:36,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:36,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:35:36,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:36,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:36,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:36,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:36,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:36,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:35:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:36,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:36,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:36,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:36,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:36,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:35:36,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:36,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:36,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:35:36,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:36,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:36,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:35:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:36,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:36,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:36,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:36,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:36,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:35:36,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:35:36,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:36,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:36,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:35:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:36,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:36,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:36,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:36,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:36,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:35:36,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:36,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:36,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:35:36,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:36,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:36,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 16:35:36,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [699357020] [2020-10-12 16:35:36,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:35:36,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 16:35:36,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933198449] [2020-10-12 16:35:36,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 16:35:36,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:35:36,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 16:35:36,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-12 16:35:36,263 INFO L87 Difference]: Start difference. First operand 782 states. Second operand 14 states. [2020-10-12 16:35:37,954 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:35:39,076 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:35:39,933 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:35:40,942 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:35:41,740 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:35:42,638 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:35:43,544 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:35:44,527 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:35:45,715 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:35:59,885 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:36:02,182 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:36:02,990 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:36:03,881 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:36:04,612 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:36:05,383 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:36:06,155 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:36:06,984 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:36:17,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:36:17,486 INFO L93 Difference]: Finished difference Result 2264 states and 3823 transitions. [2020-10-12 16:36:17,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 16:36:17,489 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 87 [2020-10-12 16:36:17,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:36:17,529 INFO L225 Difference]: With dead ends: 2264 [2020-10-12 16:36:17,530 INFO L226 Difference]: Without dead ends: 1595 [2020-10-12 16:36:17,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=275, Invalid=1447, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 16:36:17,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2020-10-12 16:36:17,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 1179. [2020-10-12 16:36:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1179 states. [2020-10-12 16:36:17,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 1881 transitions. [2020-10-12 16:36:17,983 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 1881 transitions. Word has length 87 [2020-10-12 16:36:17,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:36:17,983 INFO L479 AbstractCegarLoop]: Abstraction has 1179 states and 1881 transitions. [2020-10-12 16:36:17,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 16:36:17,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1881 transitions. [2020-10-12 16:36:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 16:36:17,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:36:17,999 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 16:36:18,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:36:18,000 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:36:18,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:36:18,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1190821273, now seen corresponding path program 1 times [2020-10-12 16:36:18,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:36:18,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1963642066] [2020-10-12 16:36:18,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:36:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:18,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:18,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:18,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:18,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:20,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:21,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:23,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:23,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-12 16:36:23,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:36:23,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-12 16:36:23,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:23,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 16:36:23,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:36:23,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-12 16:36:23,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:24,060 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:36:24,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:36:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:24,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:24,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:24,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:24,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:24,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-12 16:36:24,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:24,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:36:24,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:24,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:36:24,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:24,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:36:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:24,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:24,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:24,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:36:24,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:24,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:24,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:24,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:36:24,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:36:24,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:24,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:36:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:24,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:24,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:24,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:36:24,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:24,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:36:24,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:24,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:36:24,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:24,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:36:24,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:24,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:36:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:24,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:24,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:24,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:24,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:24,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:24,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:36:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:36:24,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:24,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:36:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:24,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:24,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:24,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:36:24,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:24,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:36:24,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:24,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:36:24,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:24,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:36:24,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:24,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:36:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:24,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:24,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:24,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:24,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:24,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:25,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:36:25,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:36:25,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 702 [2020-10-12 16:36:25,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:36:25,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:36:25,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:36:25,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:25,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:25,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:25,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:36:25,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:36:25,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 16:36:25,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:25,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:36:25,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:36:25,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:36:25,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:25,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:36:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:25,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:25,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:36:25,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:36:25,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-12 16:36:25,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:36:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:36:25,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:36:25,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:25,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:36:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:25,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:25,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:36:25,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:25,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:36:25,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:25,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:36:25,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:25,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:36:25,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:25,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:36:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:25,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:25,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:25,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:25,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:25,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:36:25,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:25,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:36:25,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:25,629 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:36:25,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:36:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:25,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:25,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 16:36:25,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:36:25,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-12 16:36:25,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:25,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:36:25,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:36:25,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 16:36:25,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:25,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:25,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:25,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:36:25,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:25,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:36:25,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:25,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:36:25,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:25,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 16:36:25,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:25,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:25,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:25,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:36:25,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:25,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:36:25,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:25,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:25,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:25,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:25,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:25,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:36:25,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:25,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:25,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:25,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:25,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:25,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:25,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:25,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:36:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:25,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:25,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:25,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:25,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:25,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:25,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:25,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:25,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:25,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:25,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:36:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:25,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:25,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:36:25,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:25,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 16:36:25,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:25,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:36:25,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:25,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 16:36:25,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:25,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:25,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:25,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:36:25,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:25,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:36:25,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:25,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:25,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:25,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:25,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:25,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:25,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:25,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:36:25,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:25,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:25,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:25,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:25,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:25,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:25,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:25,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:36:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:25,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:25,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:25,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:25,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:25,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:25,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:25,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:25,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:26,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:36:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:26,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:26,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:26,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:26,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:36:26,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:36:26,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 16:36:26,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:26,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:36:26,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:26,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 16:36:26,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:26,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 16:36:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:26,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:26,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:26,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:36:26,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:26,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:36:26,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:26,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:26,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 16:36:26,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:26,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:26,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:26,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:26,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:26,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:36:26,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:26,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:26,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:26,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:26,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:26,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:26,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 16:36:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:26,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:26,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:26,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:26,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:26,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:26,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:26,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:26,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:36:26,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:26,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:26,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 16:36:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:26,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:26,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:26,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:26,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:26,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:36:26,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:36:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:26,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:26,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 16:36:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:26,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:26,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:26,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:26,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:26,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:26,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:36:26,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:26,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:26,373 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-12 16:36:26,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1963642066] [2020-10-12 16:36:26,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:36:26,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-12 16:36:26,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956875723] [2020-10-12 16:36:26,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 16:36:26,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:36:26,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 16:36:26,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2020-10-12 16:36:26,377 INFO L87 Difference]: Start difference. First operand 1179 states and 1881 transitions. Second operand 20 states. [2020-10-12 16:36:28,443 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:36:29,474 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:36:30,232 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:36:31,182 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:36:31,927 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:36:32,874 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:36:34,425 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 16:36:35,129 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 16:36:41,423 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 16:36:41,787 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 16:36:42,011 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:36:51,393 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:36:56,056 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:36:56,796 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:36:57,684 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:36:58,479 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:36:59,325 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:37:00,998 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:37:21,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:37:21,391 INFO L93 Difference]: Finished difference Result 4449 states and 7758 transitions. [2020-10-12 16:37:21,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-12 16:37:21,393 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 147 [2020-10-12 16:37:21,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:37:21,423 INFO L225 Difference]: With dead ends: 4449 [2020-10-12 16:37:21,423 INFO L226 Difference]: Without dead ends: 3303 [2020-10-12 16:37:21,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=626, Invalid=3406, Unknown=0, NotChecked=0, Total=4032 [2020-10-12 16:37:21,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2020-10-12 16:37:21,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 2343. [2020-10-12 16:37:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2343 states. [2020-10-12 16:37:21,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 3793 transitions. [2020-10-12 16:37:21,917 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 3793 transitions. Word has length 147 [2020-10-12 16:37:21,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:37:21,917 INFO L479 AbstractCegarLoop]: Abstraction has 2343 states and 3793 transitions. [2020-10-12 16:37:21,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 16:37:21,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 3793 transitions. [2020-10-12 16:37:21,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-12 16:37:21,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:37:21,925 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 16:37:21,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:37:21,926 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:37:21,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:37:21,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1483669974, now seen corresponding path program 1 times [2020-10-12 16:37:21,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:37:21,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275781599] [2020-10-12 16:37:21,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:37:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:22,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:22,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:22,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:22,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:22,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:26,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:26,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:27,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:27,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-12 16:37:27,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:37:27,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5269 [2020-10-12 16:37:27,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 16:37:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:37:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-12 16:37:27,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:28,230 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:37:28,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:37:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:28,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:28,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:28,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:37:28,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:28,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-12 16:37:28,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:28,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:37:28,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:37:28,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:28,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:37:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:28,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:28,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:28,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:37:28,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:28,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:37:28,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:28,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:37:28,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:28,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:37:28,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:28,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:37:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:28,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:28,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:28,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:37:28,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:28,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:37:28,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:37:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:37:28,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:28,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:37:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:28,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:28,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:28,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:37:28,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:28,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:37:28,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:28,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:37:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:37:28,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:28,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:37:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:28,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:28,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:28,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:37:28,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:28,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:37:28,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:28,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:37:28,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:28,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:37:28,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:28,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:37:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:28,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:28,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:28,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:28,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:28,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:29,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:29,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 16:37:29,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:37:29,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 565 [2020-10-12 16:37:29,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:37:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:37:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:37:29,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:29,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:37:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:29,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:29,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:29,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:29,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:37:29,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:37:29,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:37:29,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:29,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:37:29,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:37:29,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:37:29,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:37:29,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:37:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:29,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:29,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:29,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:29,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:29,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:37:29,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:37:29,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 16:37:29,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:29,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:37:29,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:37:29,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:37:29,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:29,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:37:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:29,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:29,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:29,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:37:29,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:29,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:37:29,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:37:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:37:29,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:29,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:37:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:29,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:29,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:29,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:37:29,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:29,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:37:29,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:29,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:37:29,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:29,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:37:29,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:29,588 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:37:29,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:37:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:29,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:29,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:29,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:29,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:29,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:31,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:31,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:34,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:34,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-12 16:37:34,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:37:34,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 16:37:34,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 16:37:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-12 16:37:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 16:37:34,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:34,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:37:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:34,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:34,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:34,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:37:34,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:37:34,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:37:34,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:34,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:37:34,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:37:34,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:37:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:34,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:34,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:34,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:37:34,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:34,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:37:34,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:34,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:37:34,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:34,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:37:34,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:34,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:37:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:34,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:34,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:34,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:37:34,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:34,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:37:34,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:37:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:37:34,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:34,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:37:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:34,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:34,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:34,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:37:34,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:34,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:37:34,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:37:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:37:34,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:34,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:37:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:34,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:34,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:34,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:37:34,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:34,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-12 16:37:34,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:37:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:34,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 16:37:34,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:34,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:37:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:34,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:35,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:35,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:37:35,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:35,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 16:37:35,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:35,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:37:35,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:35,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 16:37:35,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:35,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:37:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:35,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:35,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:35,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:37:35,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:35,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:37:35,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:35,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:37:35,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:35,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:37:35,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:37:35,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:37:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:35,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:35,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:35,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:37:35,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:35,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:37:35,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:37:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:37:35,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:37:35,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:37:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:35,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:35,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:35,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:35,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 16:37:35,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:37:35,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 16:37:35,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 16:37:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:37:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 16:37:35,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:37:35,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 16:37:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:35,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:35,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:35,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:37:35,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:35,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:37:35,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:35,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:37:35,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:35,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:37:35,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:35,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:37:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:35,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:35,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:35,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:37:35,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:35,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:37:35,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:35,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:37:35,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 16:37:35,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:37:35,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:35,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:37:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:35,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:35,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:35,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:37:35,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:35,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:37:35,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:35,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:37:35,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:35,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:37:35,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:35,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 16:37:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:35,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:35,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:35,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:37:35,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:35,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:37:35,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:35,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:37:35,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:37:35,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:37:35,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:35,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 16:37:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:35,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:35,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:35,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:37:35,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:35,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:37:35,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:35,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:37:35,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:37:35,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:37:35,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:35,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 16:37:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:35,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:35,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:35,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:37:35,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:35,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:37:35,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:35,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:37:35,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:37:35,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:37:35,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:35,778 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-12 16:37:35,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1275781599] [2020-10-12 16:37:35,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:37:35,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-12 16:37:35,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669502900] [2020-10-12 16:37:35,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-12 16:37:35,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:37:35,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-12 16:37:35,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=978, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 16:37:35,780 INFO L87 Difference]: Start difference. First operand 2343 states and 3793 transitions. Second operand 33 states. [2020-10-12 16:37:38,564 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:37:39,777 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:37:40,635 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:37:41,636 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:37:42,451 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:37:43,368 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:37:44,582 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:37:46,556 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:37:47,544 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:37:48,331 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:37:49,507 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:37:50,161 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:37:51,274 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:37:59,510 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:38:00,521 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:38:01,973 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:38:03,315 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:38:04,414 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:38:04,575 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:38:05,400 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:38:06,557 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:38:07,617 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:38:08,771 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:38:09,683 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:38:10,533 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:38:12,134 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:38:12,434 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:38:13,348 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 16:38:15,264 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 408 DAG size of output: 396 [2020-10-12 16:38:16,262 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2020-10-12 16:38:18,047 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 415 DAG size of output: 400 [2020-10-12 16:38:19,709 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 416 DAG size of output: 401 [2020-10-12 16:38:19,945 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 16:38:22,576 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 401 DAG size of output: 400 [2020-10-12 16:38:24,220 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 402 DAG size of output: 401 [2020-10-12 16:38:24,512 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2020-10-12 16:38:24,704 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 16:38:25,990 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:38:26,637 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-12 16:38:29,931 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:38:34,377 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 16:38:34,544 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 16:38:34,712 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 16:38:36,311 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2020-10-12 16:38:42,845 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 126 [2020-10-12 16:38:43,214 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 127 [2020-10-12 16:38:49,493 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:38:50,543 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:38:51,633 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:38:52,598 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:38:53,642 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:38:55,048 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 403