/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:48:32,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:48:32,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:48:32,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:48:32,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:48:32,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:48:32,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:48:32,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:48:32,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:48:32,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:48:32,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:48:32,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:48:32,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:48:32,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:48:32,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:48:32,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:48:32,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:48:32,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:48:32,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:48:32,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:48:32,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:48:32,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:48:32,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:48:32,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:48:32,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:48:32,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:48:32,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:48:32,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:48:32,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:48:32,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:48:32,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:48:32,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:48:32,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:48:32,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:48:32,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:48:32,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:48:32,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:48:32,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:48:32,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:48:32,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:48:32,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:48:32,435 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 16:48:32,471 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:48:32,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:48:32,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:48:32,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:48:32,474 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:48:32,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:48:32,474 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:48:32,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:48:32,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:48:32,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:48:32,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:48:32,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:48:32,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:48:32,477 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:48:32,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:48:32,477 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:48:32,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:48:32,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:48:32,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:48:32,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:48:32,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:48:32,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:48:32,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:48:32,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:48:32,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:48:32,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:48:32,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:48:32,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:48:32,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:48:32,480 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 16:48:32,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:48:32,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:48:32,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:48:32,775 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:48:32,775 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:48:32,776 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product09.cil.c [2020-10-12 16:48:32,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e4ca85f3b/754b3c20f34c41ada7087cd54464dd49/FLAG2f1cd53e0 [2020-10-12 16:48:33,468 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:48:33,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product09.cil.c [2020-10-12 16:48:33,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e4ca85f3b/754b3c20f34c41ada7087cd54464dd49/FLAG2f1cd53e0 [2020-10-12 16:48:33,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e4ca85f3b/754b3c20f34c41ada7087cd54464dd49 [2020-10-12 16:48:33,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:48:33,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:48:33,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:48:33,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:48:33,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:48:33,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:48:33" (1/1) ... [2020-10-12 16:48:33,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a9d3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:48:33, skipping insertion in model container [2020-10-12 16:48:33,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:48:33" (1/1) ... [2020-10-12 16:48:33,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:48:33,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:48:34,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:48:34,491 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:48:34,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:48:34,755 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:48:34,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:48:34 WrapperNode [2020-10-12 16:48:34,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:48:34,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:48:34,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:48:34,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:48:34,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:48:34" (1/1) ... [2020-10-12 16:48:34,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:48:34" (1/1) ... [2020-10-12 16:48:34,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:48:34" (1/1) ... [2020-10-12 16:48:34,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:48:34" (1/1) ... [2020-10-12 16:48:34,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:48:34" (1/1) ... [2020-10-12 16:48:34,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:48:34" (1/1) ... [2020-10-12 16:48:34,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:48:34" (1/1) ... [2020-10-12 16:48:34,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:48:34,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:48:34,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:48:34,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:48:34,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:48:34" (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 16:48:35,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:48:35,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:48:35,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:48:35,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:48:35,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:48:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:48:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:48:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:48:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:48:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:48:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:48:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:48:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:48:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:48:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:48:35,028 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:48:35,028 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:48:35,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:48:35,029 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:48:35,029 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:48:35,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:48:35,029 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:48:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:48:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:48:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:48:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:48:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:48:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:48:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:48:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:48:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:48:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:48:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:48:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:48:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:48:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:48:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:48:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:48:35,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:48:35,033 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:48:35,033 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:48:35,033 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:48:35,033 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:48:35,034 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:48:35,034 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:48:35,034 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:48:35,034 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:48:35,034 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:48:35,035 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:48:35,035 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:48:35,035 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:48:35,035 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:48:35,035 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:48:35,036 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:48:35,036 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:48:35,036 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:48:35,036 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:48:35,036 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:48:35,036 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:48:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:48:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:48:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:48:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:48:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-12 16:48:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-12 16:48:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:48:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:48:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:48:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:48:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:48:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:48:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:48:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:48:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:48:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:48:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:48:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:48:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:48:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:48:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:48:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:48:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:48:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:48:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:48:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:48:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:48:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:48:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:48:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:48:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:48:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:48:35,043 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:48:35,043 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:48:35,043 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:48:35,043 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:48:35,043 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:48:35,043 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:48:35,044 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:48:35,044 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:48:35,044 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:48:35,044 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:48:35,044 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:48:35,044 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:48:35,045 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:48:35,045 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:48:35,045 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:48:35,045 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:48:35,045 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:48:35,045 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:48:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:48:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:48:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:48:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:48:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:48:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:48:35,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-12 16:48:35,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-12 16:48:35,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:48:35,047 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:48:35,047 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:48:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:48:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:48:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:48:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:48:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:48:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:48:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:48:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:48:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:48:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:48:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:48:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:48:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:48:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:48:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:48:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:48:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:48:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:48:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:48:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:48:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:48:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:48:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:48:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:48:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:48:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:48:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:48:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:48:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:48:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:48:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:48:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:48:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:48:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:48:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:48:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:48:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:48:37,013 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:48:37,013 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:48:37,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:48:37 BoogieIcfgContainer [2020-10-12 16:48:37,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:48:37,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:48:37,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:48:37,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:48:37,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:48:33" (1/3) ... [2020-10-12 16:48:37,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24cf8b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:48:37, skipping insertion in model container [2020-10-12 16:48:37,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:48:34" (2/3) ... [2020-10-12 16:48:37,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24cf8b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:48:37, skipping insertion in model container [2020-10-12 16:48:37,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:48:37" (3/3) ... [2020-10-12 16:48:37,031 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product09.cil.c [2020-10-12 16:48:37,042 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:48:37,050 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:48:37,065 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:48:37,091 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:48:37,092 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:48:37,092 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:48:37,092 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:48:37,092 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:48:37,092 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:48:37,092 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:48:37,093 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:48:37,142 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states. [2020-10-12 16:48:37,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-12 16:48:37,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:48:37,167 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:48:37,168 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:48:37,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:48:37,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1161933342, now seen corresponding path program 1 times [2020-10-12 16:48:37,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:48:37,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1798067103] [2020-10-12 16:48:37,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:48:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:37,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:38,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:38,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:38,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:39,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:39,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:40,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:40,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:41,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:42,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:42,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-12 16:48:42,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:48:42,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-12 16:48:42,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:42,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 16:48:42,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 16:48:42,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 16:48:42,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:48:44,055 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 370 [2020-10-12 16:48:44,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:48:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:44,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:44,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:44,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:48:44,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:44,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 16:48:44,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:44,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:48:44,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:48:44,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:48:44,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:48:44,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:48:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:44,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:44,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:44,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:48:44,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:44,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:48:44,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:44,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:48:44,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:48:44,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:48:44,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:48:44,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:48:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:44,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:44,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:44,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:48:44,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:44,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:48:44,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:44,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:48:44,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:48:44,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:48:44,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:48:44,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:48:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:44,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:44,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:44,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:48:44,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:44,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:48:44,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:44,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:48:44,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:48:44,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:48:44,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-12 16:48:44,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:48:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:44,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:44,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:44,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:48:44,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:44,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:48:44,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:44,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:48:44,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:48:44,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:48:44,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:48:44,498 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:48:44,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:48:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:44,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:44,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:44,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:48:44,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:44,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 16:48:44,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:48:44,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:48:44,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:48:44,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:48:44,770 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 16:48:44,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:48:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:44,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:44,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:44,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:48:44,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:44,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 16:48:44,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:44,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:48:44,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:48:44,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:48:44,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:48:44,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:48:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:44,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:44,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:45,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:45,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:45,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:48:45,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:48:45,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 589 [2020-10-12 16:48:45,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:45,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:48:45,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:48:45,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:48:45,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:48:45,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:48:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:45,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:45,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:45,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:48:45,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:45,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:48:45,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:45,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:48:45,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:48:45,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:48:45,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:48:45,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:48:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:45,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:45,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:45,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:45,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:48:45,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:48:45,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-12 16:48:45,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:45,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:48:45,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:48:45,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:48:45,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:48:45,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:48:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:45,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:45,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:45,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:48:45,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:45,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:48:45,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:45,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:48:45,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:48:45,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:48:45,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:48:45,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:48:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:45,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:45,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:45,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:48:45,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:45,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 16:48:45,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:48:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 16:48:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 16:48:45,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:48:45,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:48:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:45,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:45,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:45,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:48:45,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:45,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:48:45,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:45,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:48:45,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:48:45,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:48:45,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:48:45,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:48:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:45,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:45,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:45,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:48:45,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:45,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:48:45,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:48:45,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:48:45,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:48:45,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:48:45,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:48:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:45,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:45,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:45,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:48:45,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:45,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:48:45,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:48:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 16:48:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:48:45,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:48:45,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:48:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:45,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:45,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:45,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:48:45,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:45,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:48:45,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:45,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:48:45,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:48:45,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:48:45,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:48:45,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 16:48:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:45,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:45,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:45,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:48:45,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:45,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:48:45,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:45,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:48:45,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:48:45,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:48:45,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:48:46,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 16:48:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:46,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:46,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:46,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:48:46,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:46,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:48:46,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:46,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:48:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:48:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:48:46,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:48:46,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 16:48:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:48:46,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:48:46,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:48:46,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:48:46,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:48:46,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:48:46,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:48:46,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:48:46,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:48:46,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:48:46,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:48:46,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 16:48:46,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1798067103] [2020-10-12 16:48:46,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:48:46,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 16:48:46,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497520903] [2020-10-12 16:48:46,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 16:48:46,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:48:46,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 16:48:46,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-10-12 16:48:46,131 INFO L87 Difference]: Start difference. First operand 757 states. Second operand 20 states. [2020-10-12 16:48:48,017 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-12 16:48:49,272 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-12 16:48:50,155 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:48:50,955 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:48:51,669 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:48:52,455 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:48:53,241 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-12 16:48:54,055 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2020-10-12 16:48:54,897 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-12 16:48:55,729 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:48:56,989 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-12 16:48:57,743 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2020-10-12 16:48:58,105 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 151 [2020-10-12 16:48:58,435 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 151 [2020-10-12 16:49:04,063 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2020-10-12 16:49:04,739 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-12 16:49:06,807 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-12 16:49:07,360 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-12 16:49:12,399 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:49:12,594 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:49:28,971 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:49:29,697 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-12 16:49:30,406 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-12 16:49:31,185 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:49:31,910 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-12 16:49:32,704 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:49:33,502 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-12 16:49:34,308 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:49:35,995 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-12 16:49:36,680 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2020-10-12 16:49:37,373 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2020-10-12 16:49:38,074 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-12 16:49:38,758 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:49:39,464 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-12 16:49:40,170 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:49:40,901 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-12 16:50:07,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:50:07,108 INFO L93 Difference]: Finished difference Result 3247 states and 6037 transitions. [2020-10-12 16:50:07,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2020-10-12 16:50:07,110 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 115 [2020-10-12 16:50:07,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:50:07,167 INFO L225 Difference]: With dead ends: 3247 [2020-10-12 16:50:07,168 INFO L226 Difference]: Without dead ends: 2598 [2020-10-12 16:50:07,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3875 ImplicationChecksByTransitivity, 25.6s TimeCoverageRelationStatistics Valid=1483, Invalid=9647, Unknown=0, NotChecked=0, Total=11130 [2020-10-12 16:50:07,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2598 states. [2020-10-12 16:50:07,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2598 to 1694. [2020-10-12 16:50:07,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2020-10-12 16:50:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 2800 transitions. [2020-10-12 16:50:07,757 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 2800 transitions. Word has length 115 [2020-10-12 16:50:07,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:50:07,758 INFO L479 AbstractCegarLoop]: Abstraction has 1694 states and 2800 transitions. [2020-10-12 16:50:07,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 16:50:07,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2800 transitions. [2020-10-12 16:50:07,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-12 16:50:07,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:50:07,766 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:50:07,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:50:07,767 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:50:07,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:50:07,767 INFO L82 PathProgramCache]: Analyzing trace with hash -456422055, now seen corresponding path program 1 times [2020-10-12 16:50:07,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:50:07,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105978357] [2020-10-12 16:50:07,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:50:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:07,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:08,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:08,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:08,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:09,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:09,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:09,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:10,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:12,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:12,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-12 16:50:12,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:50:12,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-12 16:50:12,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:12,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 16:50:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 16:50:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 16:50:12,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:13,630 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2020-10-12 16:50:13,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:50:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:13,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:13,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:13,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:13,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:13,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 16:50:13,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:13,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:13,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:13,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:13,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:13,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:50:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:13,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:13,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:13,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:50:13,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:13,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:50:13,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:13,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:13,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:13,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:13,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:13,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:50:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:13,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:13,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:13,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:50:13,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:13,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:50:13,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:13,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:50:13,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:50:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:13,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:13,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:13,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:13,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:13,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:50:13,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:13,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:13,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:13,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:13,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:13,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:50:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:13,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:13,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:13,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:50:13,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:13,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:50:13,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:13,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:13,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:13,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:13,889 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:50:13,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:50:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:13,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:13,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:13,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:50:13,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:13,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 16:50:13,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:13,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:13,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:13,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:50:13,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:14,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:50:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:14,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:14,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:14,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:14,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:14,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 16:50:14,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:50:14,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:14,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:50:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:14,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:14,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:14,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:14,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:14,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:14,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:14,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:50:14,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:50:14,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 700 [2020-10-12 16:50:14,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:14,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:50:14,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:50:14,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:50:14,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:14,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:50:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:14,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:14,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:14,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:14,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:14,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:50:14,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:50:14,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:50:14,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:14,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:50:14,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:14,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:50:14,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:14,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:50:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:14,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:14,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:14,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:14,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:50:14,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:50:14,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 16:50:14,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:14,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:50:14,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:50:14,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:50:14,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:14,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:50:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:14,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:15,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:15,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:50:15,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:15,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:50:15,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:15,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:50:15,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:50:15,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:15,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:50:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:15,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:15,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:15,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:15,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:15,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:15,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:50:15,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:50:15,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-12 16:50:15,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:15,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:50:15,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 16:50:15,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 16:50:15,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:15,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:50:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:15,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:15,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:15,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:15,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:15,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:50:15,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:15,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:50:15,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:15,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:50:15,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:15,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:50:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:15,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:15,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:15,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:15,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:15,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:50:15,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:15,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:15,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:15,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:50:15,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:15,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:50:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:15,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:15,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:15,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:50:15,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:15,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:50:15,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:15,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 16:50:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:15,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:15,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:50:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:15,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:15,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:15,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:50:15,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:15,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:50:15,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:15,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:15,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:15,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:15,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:15,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 16:50:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:15,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:15,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:15,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:50:15,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:15,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:50:15,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:15,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:15,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:50:15,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:15,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:15,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 16:50:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:15,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:15,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:15,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:50:15,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:15,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:50:15,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:15,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:15,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:50:15,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:15,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:15,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 16:50:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:15,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:15,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:15,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:15,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:15,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:50:15,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:15,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:15,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:50:15,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:15,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:15,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 16:50:15,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2105978357] [2020-10-12 16:50:15,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:50:15,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-12 16:50:15,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133799855] [2020-10-12 16:50:15,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 16:50:15,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:50:15,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 16:50:15,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2020-10-12 16:50:15,389 INFO L87 Difference]: Start difference. First operand 1694 states and 2800 transitions. Second operand 20 states. [2020-10-12 16:50:17,010 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-12 16:50:17,468 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:50:18,149 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-12 16:50:19,034 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:50:19,799 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:50:20,522 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-12 16:50:21,307 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:50:22,036 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-12 16:50:22,878 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:50:23,677 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-12 16:50:24,497 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:50:25,718 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-12 16:50:26,450 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2020-10-12 16:50:26,660 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-12 16:50:26,843 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-12 16:50:34,088 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-12 16:50:34,293 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-12 16:50:34,462 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-12 16:50:34,824 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-12 16:50:35,547 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-12 16:50:44,867 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2020-10-12 16:50:45,216 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-12 16:50:59,034 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:50:59,843 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:51:00,653 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-12 16:51:01,465 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:51:02,229 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-12 16:51:03,091 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:51:03,943 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-12 16:51:04,861 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:51:06,750 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-12 16:51:07,491 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-12 16:51:08,179 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2020-10-12 16:51:08,922 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-12 16:51:09,609 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:51:10,330 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-12 16:51:11,059 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:51:11,796 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-12 16:51:42,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:51:42,330 INFO L93 Difference]: Finished difference Result 8283 states and 15610 transitions. [2020-10-12 16:51:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2020-10-12 16:51:42,331 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 116 [2020-10-12 16:51:42,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:51:42,400 INFO L225 Difference]: With dead ends: 8283 [2020-10-12 16:51:42,400 INFO L226 Difference]: Without dead ends: 6621 [2020-10-12 16:51:42,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3799 ImplicationChecksByTransitivity, 25.5s TimeCoverageRelationStatistics Valid=1461, Invalid=9669, Unknown=0, NotChecked=0, Total=11130 [2020-10-12 16:51:42,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6621 states. [2020-10-12 16:51:43,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6621 to 4288. [2020-10-12 16:51:43,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4288 states. [2020-10-12 16:51:43,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4288 states to 4288 states and 7084 transitions. [2020-10-12 16:51:43,652 INFO L78 Accepts]: Start accepts. Automaton has 4288 states and 7084 transitions. Word has length 116 [2020-10-12 16:51:43,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:51:43,655 INFO L479 AbstractCegarLoop]: Abstraction has 4288 states and 7084 transitions. [2020-10-12 16:51:43,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 16:51:43,656 INFO L276 IsEmpty]: Start isEmpty. Operand 4288 states and 7084 transitions. [2020-10-12 16:51:43,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-12 16:51:43,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:51:43,664 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:51:43,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:51:43,664 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:51:43,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:51:43,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1862963348, now seen corresponding path program 1 times [2020-10-12 16:51:43,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:51:43,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400736369] [2020-10-12 16:51:43,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:51:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:43,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:43,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:43,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:44,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:44,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:48,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:48,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-12 16:51:48,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:51:48,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-12 16:51:48,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:48,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 16:51:48,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 16:51:48,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 16:51:48,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:49,467 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2020-10-12 16:51:49,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:51:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:49,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:49,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:49,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:49,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:49,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 16:51:49,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:49,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:49,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:49,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:49,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:49,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:51:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:49,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:49,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:49,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:51:49,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:49,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:51:49,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:49,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:49,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:49,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:49,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:49,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:51:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:49,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:49,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:49,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:51:49,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:49,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:51:49,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:49,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:49,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:49,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:49,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:49,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:51:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:49,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:49,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:49,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:49,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:49,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:51:49,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:49,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:49,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:49,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:49,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:49,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:51:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:49,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:49,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:49,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:51:49,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:49,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:51:49,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:49,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:49,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:49,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:49,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:49,683 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:51:49,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:51:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:49,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:49,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:49,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:51:49,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:49,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 16:51:49,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:51:49,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:49,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:49,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:49,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:49,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:49,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:49,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 16:51:49,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:49,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:49,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:49,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:51:49,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:49,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:51:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:49,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:49,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:49,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:49,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:50,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 16:51:50,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:51:50,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 473 [2020-10-12 16:51:50,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:50,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:51:50,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:51:50,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:51:50,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:50,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:50,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:50,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:51:50,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:51:50,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 16:51:50,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:51:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:51:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:51:50,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:50,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:51:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:50,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:50,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:51:50,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:51:50,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 16:51:50,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:50,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:51:50,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:51:50,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:51:50,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:50,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:51:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:50,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:50,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:51:50,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:50,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:51:50,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:50,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:51:50,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:50,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:51:50,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:50,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:51:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:50,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:50,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 16:51:50,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:50,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 16:51:50,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:50,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:51:50,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 16:51:50,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:51:50,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:50,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:50,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:50,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:50,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:50,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:51:50,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:50,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:50,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:50,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:50,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:50,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:51:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:50,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:50,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:50,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:50,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:51:50,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:50,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:50,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:50,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:50,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:50,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:51:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:50,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:50,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:51:50,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:50,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:51:50,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:50,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:51:50,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:50,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:51:50,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:50,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 16:51:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:50,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:50,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:51:50,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:50,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:51:50,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:50,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:50,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 16:51:50,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:50,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:50,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:50,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:50,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:51:50,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:50,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:51:50,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:50,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:50,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 16:51:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:50,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:50,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:51:50,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:50,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:51:50,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:50,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:50,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 16:51:50,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:50,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:50,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 16:51:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:50,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:50,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:50,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:50,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:51:50,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:50,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:50,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:50,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:50,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:50,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 16:51:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:50,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:50,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:51:50,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:51:50,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:51:50,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:50,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:50,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 16:51:50,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 16:51:50,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:50,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 16:51:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:50,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:50,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:50,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:50,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:50,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:51:50,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:51:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:50,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:51,013 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 16:51:51,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400736369] [2020-10-12 16:51:51,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:51:51,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-10-12 16:51:51,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056718040] [2020-10-12 16:51:51,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 16:51:51,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:51:51,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 16:51:51,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2020-10-12 16:51:51,023 INFO L87 Difference]: Start difference. First operand 4288 states and 7084 transitions. Second operand 22 states. [2020-10-12 16:51:52,774 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-12 16:51:53,205 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 16:51:53,924 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-12 16:51:54,813 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:51:55,668 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:51:56,565 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:51:57,383 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:51:58,316 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:51:59,241 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:52:00,189 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:52:01,715 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:52:02,702 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2020-10-12 16:52:03,002 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:52:03,614 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 153 [2020-10-12 16:52:05,605 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 16:52:06,288 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 16:52:07,731 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 16:52:08,946 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 16:52:10,645 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 16:52:13,491 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-12 16:52:13,742 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:52:14,291 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 150 [2020-10-12 16:52:15,115 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 16:52:16,456 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 16:52:17,879 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:52:18,984 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 378