/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 06:05:36,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 06:05:36,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 06:05:36,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 06:05:36,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 06:05:36,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 06:05:36,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 06:05:36,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 06:05:36,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 06:05:36,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 06:05:36,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 06:05:36,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 06:05:36,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 06:05:36,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 06:05:36,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 06:05:36,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 06:05:36,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 06:05:36,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 06:05:36,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 06:05:36,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 06:05:36,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 06:05:36,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 06:05:36,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 06:05:36,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 06:05:36,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 06:05:36,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 06:05:36,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 06:05:36,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 06:05:36,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 06:05:36,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 06:05:36,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 06:05:36,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 06:05:36,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 06:05:36,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 06:05:36,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 06:05:36,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 06:05:36,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 06:05:36,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 06:05:36,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 06:05:36,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 06:05:36,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 06:05:36,533 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 [2020-10-14 06:05:36,571 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 06:05:36,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 06:05:36,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 06:05:36,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 06:05:36,573 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 06:05:36,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 06:05:36,573 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 06:05:36,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 06:05:36,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 06:05:36,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 06:05:36,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 06:05:36,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 06:05:36,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 06:05:36,576 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 06:05:36,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 06:05:36,576 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 06:05:36,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 06:05:36,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 06:05:36,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 06:05:36,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 06:05:36,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 06:05:36,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:05:36,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 06:05:36,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 06:05:36,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 06:05:36,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 06:05:36,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 06:05:36,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 06:05:36,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 06:05:36,583 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 06:05:36,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 06:05:36,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 06:05:36,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 06:05:36,921 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 06:05:36,921 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 06:05:36,922 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product30.cil.c [2020-10-14 06:05:36,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eb9ec9290/ae9086c05d3d41fbb9e8fb2acc4e462b/FLAG295a2b72a [2020-10-14 06:05:37,536 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 06:05:37,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product30.cil.c [2020-10-14 06:05:37,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eb9ec9290/ae9086c05d3d41fbb9e8fb2acc4e462b/FLAG295a2b72a [2020-10-14 06:05:37,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eb9ec9290/ae9086c05d3d41fbb9e8fb2acc4e462b [2020-10-14 06:05:37,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 06:05:37,748 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 06:05:37,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 06:05:37,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 06:05:37,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 06:05:37,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:05:37" (1/1) ... [2020-10-14 06:05:37,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20abf48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:05:37, skipping insertion in model container [2020-10-14 06:05:37,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:05:37" (1/1) ... [2020-10-14 06:05:37,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 06:05:37,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 06:05:38,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:05:38,518 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 06:05:38,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:05:38,701 INFO L208 MainTranslator]: Completed translation [2020-10-14 06:05:38,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:05:38 WrapperNode [2020-10-14 06:05:38,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 06:05:38,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 06:05:38,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 06:05:38,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 06:05:38,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:05:38" (1/1) ... [2020-10-14 06:05:38,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:05:38" (1/1) ... [2020-10-14 06:05:38,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:05:38" (1/1) ... [2020-10-14 06:05:38,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:05:38" (1/1) ... [2020-10-14 06:05:38,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:05:38" (1/1) ... [2020-10-14 06:05:38,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:05:38" (1/1) ... [2020-10-14 06:05:38,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:05:38" (1/1) ... [2020-10-14 06:05:38,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 06:05:38,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 06:05:38,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 06:05:38,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 06:05:38,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:05:38" (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 [2020-10-14 06:05:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 06:05:38,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 06:05:38,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 06:05:38,973 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-14 06:05:38,973 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-14 06:05:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-14 06:05:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-14 06:05:38,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-14 06:05:38,975 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-14 06:05:38,975 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-14 06:05:38,975 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-14 06:05:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-14 06:05:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-14 06:05:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-14 06:05:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 06:05:38,977 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-14 06:05:38,977 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-14 06:05:38,978 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-14 06:05:38,978 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 06:05:38,978 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-14 06:05:38,979 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 06:05:38,980 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 06:05:38,980 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 06:05:38,980 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-14 06:05:38,980 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-14 06:05:38,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-14 06:05:38,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-14 06:05:38,981 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 06:05:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 06:05:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-14 06:05:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-14 06:05:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-14 06:05:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-14 06:05:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-14 06:05:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-14 06:05:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-14 06:05:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-14 06:05:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-14 06:05:38,984 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-14 06:05:38,984 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-14 06:05:38,984 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-14 06:05:38,984 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-14 06:05:38,984 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-14 06:05:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-14 06:05:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-14 06:05:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-14 06:05:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-14 06:05:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-14 06:05:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-14 06:05:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-14 06:05:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-14 06:05:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-14 06:05:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-14 06:05:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-14 06:05:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2020-10-14 06:05:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 06:05:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2020-10-14 06:05:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-14 06:05:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-14 06:05:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 06:05:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 06:05:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 06:05:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 06:05:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 06:05:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 06:05:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 06:05:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 06:05:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 06:05:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 06:05:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-14 06:05:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-14 06:05:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-14 06:05:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-14 06:05:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-14 06:05:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-14 06:05:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-14 06:05:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-14 06:05:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 06:05:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 06:05:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-14 06:05:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-14 06:05:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-14 06:05:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 06:05:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-14 06:05:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-14 06:05:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-14 06:05:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-14 06:05:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-14 06:05:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-14 06:05:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-14 06:05:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-14 06:05:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 06:05:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-14 06:05:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-14 06:05:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-14 06:05:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 06:05:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-14 06:05:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-14 06:05:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-14 06:05:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-14 06:05:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-14 06:05:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 06:05:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-14 06:05:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 06:05:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 06:05:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 06:05:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 06:05:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 06:05:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 06:05:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 06:05:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-14 06:05:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-14 06:05:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-14 06:05:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 06:05:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-14 06:05:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-14 06:05:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-14 06:05:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-14 06:05:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-14 06:05:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 06:05:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-14 06:05:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-14 06:05:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-14 06:05:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-14 06:05:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-14 06:05:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-14 06:05:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-14 06:05:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-14 06:05:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-14 06:05:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-14 06:05:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-14 06:05:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-14 06:05:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-14 06:05:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-14 06:05:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-14 06:05:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-14 06:05:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-14 06:05:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-14 06:05:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-14 06:05:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-14 06:05:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-14 06:05:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-14 06:05:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-14 06:05:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-14 06:05:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2020-10-14 06:05:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2020-10-14 06:05:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 06:05:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-14 06:05:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 06:05:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 06:05:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 06:05:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 06:05:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 06:05:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 06:05:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 06:05:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 06:05:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 06:05:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 06:05:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 06:05:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 06:05:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 06:05:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 06:05:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 06:05:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 06:05:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 06:05:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-14 06:05:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 06:05:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 06:05:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 06:05:41,217 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 06:05:41,217 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 06:05:41,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:05:41 BoogieIcfgContainer [2020-10-14 06:05:41,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 06:05:41,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 06:05:41,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 06:05:41,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 06:05:41,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:05:37" (1/3) ... [2020-10-14 06:05:41,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73329b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:05:41, skipping insertion in model container [2020-10-14 06:05:41,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:05:38" (2/3) ... [2020-10-14 06:05:41,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73329b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:05:41, skipping insertion in model container [2020-10-14 06:05:41,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:05:41" (3/3) ... [2020-10-14 06:05:41,255 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product30.cil.c [2020-10-14 06:05:41,273 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 06:05:41,288 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 06:05:41,303 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 06:05:41,340 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 06:05:41,341 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 06:05:41,341 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 06:05:41,341 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 06:05:41,341 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 06:05:41,341 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 06:05:41,341 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 06:05:41,341 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 06:05:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states. [2020-10-14 06:05:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-14 06:05:41,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:05:41,429 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:05:41,429 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:05:41,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:05:41,435 INFO L82 PathProgramCache]: Analyzing trace with hash -517745057, now seen corresponding path program 1 times [2020-10-14 06:05:41,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:05:41,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [168364480] [2020-10-14 06:05:41,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:05:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:42,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:42,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:43,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:44,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:47,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:47,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 06:05:47,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:05:47,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5106 [2020-10-14 06:05:47,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:47,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:47,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:05:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 06:05:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 06:05:47,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 06:05:48,176 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:05:48,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:05:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:48,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:48,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:48,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:48,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:48,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 06:05:48,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:48,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:48,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:05:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:48,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:48,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:48,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:05:48,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:48,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:05:48,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:48,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:48,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:48,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:48,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:48,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:48,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:05:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:48,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:48,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:48,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:05:48,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:48,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:05:48,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:48,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:48,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 06:05:48,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:05:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:48,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:48,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:48,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:48,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:48,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:05:48,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:48,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:48,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:48,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:48,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:05:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:48,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:48,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:48,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:05:48,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:48,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:05:48,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:48,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:48,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:48,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:48,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:48,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:48,527 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:05:48,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:05:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:48,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:48,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:48,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:05:48,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:48,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 06:05:48,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:48,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:48,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:48,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:48,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:48,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:48,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:05:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:48,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:48,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:48,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:48,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:48,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:05:48,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:48,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:48,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:48,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:48,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:48,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:48,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:05:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:48,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:48,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:48,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:48,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 06:05:48,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:05:48,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-14 06:05:48,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:48,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:48,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:05:48,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:05:48,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 06:05:48,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:48,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:05:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:48,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:48,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:48,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:05:48,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:48,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:05:48,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:48,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:48,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:05:48,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:48,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:05:48,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:48,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:05:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:49,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:49,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:49,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:49,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:05:49,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:05:49,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 06:05:49,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:49,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:49,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:05:49,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:05:49,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 06:05:49,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:49,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 06:05:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:49,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:49,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:49,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:05:49,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:49,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:05:49,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:49,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:49,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:05:49,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:49,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:05:49,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:49,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 06:05:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:49,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:49,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:49,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:05:49,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:49,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:05:49,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:49,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:49,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:49,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:05:49,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:49,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:49,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:05:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:49,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:49,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:49,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:49,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:49,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:05:49,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:49,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:49,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:49,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:49,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:49,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:49,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:05:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:49,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:49,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:49,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:49,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:49,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:05:49,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:49,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:49,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:49,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:49,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:49,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:49,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 06:05:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:49,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:49,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:49,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:49,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:49,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:05:49,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:49,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:49,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:49,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:05:49,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:49,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:49,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 06:05:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:49,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:49,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:49,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:49,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:49,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:05:49,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:49,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:49,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:49,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:05:49,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:49,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:49,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:05:49,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [168364480] [2020-10-14 06:05:49,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:05:49,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:05:49,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136120793] [2020-10-14 06:05:49,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:05:49,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:05:49,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:05:49,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:05:49,301 INFO L87 Difference]: Start difference. First operand 828 states. Second operand 12 states. [2020-10-14 06:05:50,674 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-14 06:05:51,544 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:05:52,309 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:05:53,055 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:05:53,858 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:05:54,605 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 06:05:57,262 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:06:15,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:06:15,111 INFO L93 Difference]: Finished difference Result 1664 states and 2864 transitions. [2020-10-14 06:06:15,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:06:15,114 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2020-10-14 06:06:15,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:06:15,146 INFO L225 Difference]: With dead ends: 1664 [2020-10-14 06:06:15,147 INFO L226 Difference]: Without dead ends: 1003 [2020-10-14 06:06:15,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2020-10-14 06:06:15,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2020-10-14 06:06:15,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 667. [2020-10-14 06:06:15,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2020-10-14 06:06:15,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1057 transitions. [2020-10-14 06:06:15,491 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 1057 transitions. Word has length 93 [2020-10-14 06:06:15,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:06:15,492 INFO L479 AbstractCegarLoop]: Abstraction has 667 states and 1057 transitions. [2020-10-14 06:06:15,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:06:15,492 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1057 transitions. [2020-10-14 06:06:15,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 06:06:15,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:06:15,500 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] [2020-10-14 06:06:15,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 06:06:15,500 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:06:15,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:06:15,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1718929765, now seen corresponding path program 1 times [2020-10-14 06:06:15,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:06:15,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398114975] [2020-10-14 06:06:15,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:06:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:15,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:15,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:15,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:16,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:20,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:20,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 06:06:20,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:06:20,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5089 [2020-10-14 06:06:20,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:20,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:06:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 06:06:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:06:20,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:21,363 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:06:21,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:06:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:21,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:21,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 06:06:21,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:21,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:21,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:21,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:21,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:06:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:21,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:21,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:21,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:21,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:21,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:21,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:21,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:06:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:21,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:21,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:21,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:21,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:21,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:06:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:21,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:21,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:21,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:21,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:21,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:21,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:21,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:06:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:21,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:21,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:21,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:21,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:21,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:21,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:21,613 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:06:21,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:06:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:06:21,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:21,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 06:06:21,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:21,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:21,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:21,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:21,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:21,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:21,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:06:21,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:21,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:21,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:21,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:21,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:06:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:22,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:22,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:06:22,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:06:22,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-14 06:06:22,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:22,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:22,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:06:22,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 06:06:22,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:06:22,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:22,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:22,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:22,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:22,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:22,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:06:22,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:06:22,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 06:06:22,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:22,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:22,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:06:22,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:06:22,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:06:22,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:22,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 06:06:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:22,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:22,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:22,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:06:22,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:22,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 06:06:22,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:22,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 06:06:22,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:22,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:22,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 06:06:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:22,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:22,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:22,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:06:22,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:22,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:22,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:22,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:22,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:22,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:22,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:22,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:22,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 06:06:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:22,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:22,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:22,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:06:22,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:22,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:06:22,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:22,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:22,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:22,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:06:22,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:22,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:22,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:22,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:22,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:22,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:22,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:22,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:22,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:22,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:22,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:22,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:22,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:22,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:22,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:06:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:22,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:22,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:22,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:22,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:22,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:22,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:22,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:22,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:22,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 06:06:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:22,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:22,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:22,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:22,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:22,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:06:22,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:22,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:22,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:22,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:06:22,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:22,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:22,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 06:06:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:22,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:22,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:22,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:22,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:22,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:22,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:22,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:06:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:22,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:22,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:06:22,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398114975] [2020-10-14 06:06:22,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:06:22,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 06:06:22,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587061179] [2020-10-14 06:06:22,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 06:06:22,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:06:22,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 06:06:22,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 06:06:22,361 INFO L87 Difference]: Start difference. First operand 667 states and 1057 transitions. Second operand 9 states. [2020-10-14 06:06:24,083 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:06:24,793 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:06:26,608 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:06:40,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:06:40,388 INFO L93 Difference]: Finished difference Result 1630 states and 2771 transitions. [2020-10-14 06:06:40,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 06:06:40,388 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2020-10-14 06:06:40,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:06:40,399 INFO L225 Difference]: With dead ends: 1630 [2020-10-14 06:06:40,399 INFO L226 Difference]: Without dead ends: 974 [2020-10-14 06:06:40,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-10-14 06:06:40,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2020-10-14 06:06:40,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 649. [2020-10-14 06:06:40,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-10-14 06:06:40,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 1024 transitions. [2020-10-14 06:06:40,567 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 1024 transitions. Word has length 94 [2020-10-14 06:06:40,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:06:40,567 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 1024 transitions. [2020-10-14 06:06:40,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 06:06:40,568 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1024 transitions. [2020-10-14 06:06:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 06:06:40,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:06:40,571 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] [2020-10-14 06:06:40,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 06:06:40,572 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:06:40,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:06:40,572 INFO L82 PathProgramCache]: Analyzing trace with hash -495368691, now seen corresponding path program 1 times [2020-10-14 06:06:40,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:06:40,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874479885] [2020-10-14 06:06:40,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:06:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:40,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:40,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:40,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:42,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:44,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:45,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:45,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 06:06:45,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:06:45,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 06:06:45,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:45,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:06:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-14 06:06:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:06:45,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:46,305 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:06:46,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:06:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:46,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:46,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:46,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 06:06:46,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:46,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:46,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:46,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:06:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:46,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:46,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:46,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:46,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:46,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:46,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:46,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:46,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:46,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:46,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:46,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:06:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:46,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:46,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:46,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:46,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:46,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:46,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:46,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:46,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:46,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:46,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:46,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:06:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:46,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:46,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:46,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:46,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:46,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:46,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:46,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:46,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:46,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:46,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:46,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:06:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:46,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:46,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:46,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:46,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:46,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:46,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:46,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:46,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:46,527 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:06:46,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:06:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:46,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:46,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:06:46,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:46,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 06:06:46,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:46,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:46,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:46,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:46,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:46,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:46,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:46,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:46,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:46,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:46,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:06:46,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:46,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:46,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:46,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:46,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:46,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:46,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:06:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:46,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:46,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:06:46,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:06:46,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-14 06:06:46,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:46,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:46,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:06:46,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:06:46,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:06:46,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:46,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:46,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:46,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:06:46,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:46,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:46,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:46,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:46,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:46,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:46,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:46,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:46,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:06:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:46,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:46,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 06:06:46,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:06:46,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 06:06:46,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:46,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:46,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:06:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 06:06:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:06:46,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:46,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 06:06:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:46,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:46,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:06:46,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:46,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:06:46,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:46,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:46,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:06:46,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:06:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:06:46,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:47,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 06:06:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:47,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:47,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:47,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:06:47,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:47,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:06:47,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:47,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:47,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:47,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:06:47,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:47,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:47,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:47,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:47,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:47,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:47,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:47,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:47,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:47,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:47,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:47,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:47,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:47,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:47,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:06:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:47,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:47,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:47,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:47,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:47,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:47,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:47,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:47,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:47,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:47,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:47,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:47,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 06:06:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:47,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:47,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:47,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:47,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:47,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:47,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:47,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:06:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:47,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:47,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 06:06:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:47,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:47,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:47,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:47,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:47,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:47,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:47,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:47,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:47,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:06:47,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:47,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:47,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:06:47,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1874479885] [2020-10-14 06:06:47,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:06:47,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:06:47,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773801661] [2020-10-14 06:06:47,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:06:47,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:06:47,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:06:47,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:06:47,157 INFO L87 Difference]: Start difference. First operand 649 states and 1024 transitions. Second operand 10 states. [2020-10-14 06:06:48,926 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:06:49,719 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:06:51,388 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:07:04,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:07:04,741 INFO L93 Difference]: Finished difference Result 1593 states and 2707 transitions. [2020-10-14 06:07:04,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 06:07:04,741 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2020-10-14 06:07:04,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:07:04,750 INFO L225 Difference]: With dead ends: 1593 [2020-10-14 06:07:04,750 INFO L226 Difference]: Without dead ends: 974 [2020-10-14 06:07:04,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 06:07:04,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2020-10-14 06:07:04,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 649. [2020-10-14 06:07:04,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-10-14 06:07:04,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 1023 transitions. [2020-10-14 06:07:04,899 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 1023 transitions. Word has length 94 [2020-10-14 06:07:04,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:07:04,899 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 1023 transitions. [2020-10-14 06:07:04,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:07:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1023 transitions. [2020-10-14 06:07:04,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 06:07:04,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:07:04,902 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] [2020-10-14 06:07:04,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 06:07:04,902 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:07:04,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:07:04,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1514169597, now seen corresponding path program 1 times [2020-10-14 06:07:04,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:07:04,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [443864741] [2020-10-14 06:07:04,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:07:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:05,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:05,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:05,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:06,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:09,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:09,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 06:07:09,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:07:09,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 06:07:09,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:09,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:09,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:07:09,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 06:07:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 06:07:09,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:10,935 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:07:10,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:07:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:10,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:11,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 06:07:11,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:11,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:11,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:11,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:11,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:07:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:11,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:11,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:11,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:07:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:11,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:07:11,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:11,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:07:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:11,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:11,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:11,279 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:07:11,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:07:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:07:11,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 06:07:11,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:11,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:11,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:07:11,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:11,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:07:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 06:07:11,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:07:11,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-14 06:07:11,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:07:11,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:07:11,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 06:07:11,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:11,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:07:11,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:07:11,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:07:11,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:07:11,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:11,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:07:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 06:07:11,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:07:11,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 06:07:11,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:11,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:07:11,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 06:07:11,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:11,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 06:07:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:07:11,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:07:11,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:07:11,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:07:11,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:11,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 06:07:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:07:11,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 06:07:11,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:07:11,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:11,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:11,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:11,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:11,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:11,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:11,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:11,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 06:07:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:11,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:11,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:07:11,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:11,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 06:07:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:11,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:11,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:07:11,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:07:11,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [443864741] [2020-10-14 06:07:11,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:07:11,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:07:11,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453903119] [2020-10-14 06:07:11,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:07:11,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:07:11,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:07:11,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:07:11,851 INFO L87 Difference]: Start difference. First operand 649 states and 1023 transitions. Second operand 12 states. [2020-10-14 06:07:12,947 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-14 06:07:13,753 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:07:14,468 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:07:15,175 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:07:15,887 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:07:16,624 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 06:07:18,723 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:07:36,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:07:36,665 INFO L93 Difference]: Finished difference Result 1599 states and 2713 transitions. [2020-10-14 06:07:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:07:36,666 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-10-14 06:07:36,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:07:36,674 INFO L225 Difference]: With dead ends: 1599 [2020-10-14 06:07:36,674 INFO L226 Difference]: Without dead ends: 968 [2020-10-14 06:07:36,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2020-10-14 06:07:36,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2020-10-14 06:07:36,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 643. [2020-10-14 06:07:36,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-10-14 06:07:36,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1010 transitions. [2020-10-14 06:07:36,816 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1010 transitions. Word has length 95 [2020-10-14 06:07:36,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:07:36,816 INFO L479 AbstractCegarLoop]: Abstraction has 643 states and 1010 transitions. [2020-10-14 06:07:36,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:07:36,817 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1010 transitions. [2020-10-14 06:07:36,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-14 06:07:36,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:07:36,818 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] [2020-10-14 06:07:36,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 06:07:36,818 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:07:36,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:07:36,819 INFO L82 PathProgramCache]: Analyzing trace with hash -831629689, now seen corresponding path program 1 times [2020-10-14 06:07:36,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:07:36,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1433399729] [2020-10-14 06:07:36,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:07:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:36,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:36,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:37,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:37,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:39,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:39,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:41,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:41,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 06:07:41,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:07:41,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 06:07:41,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:41,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-14 06:07:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:07:41,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:42,634 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:07:42,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:07:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:42,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:42,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:42,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:42,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:42,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 06:07:42,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:42,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:42,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:42,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:42,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:42,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:42,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:42,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:42,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:42,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:42,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:42,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:42,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:42,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:42,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:42,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:42,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:07:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:42,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:42,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:42,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:42,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:42,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:07:42,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:42,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:42,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:42,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:42,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:07:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:42,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:42,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:42,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:42,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:42,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:42,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:42,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:42,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:42,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:07:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:42,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:42,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:42,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:42,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:42,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:42,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:42,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:42,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:42,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:42,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:42,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:42,848 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:07:42,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:07:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:42,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:42,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:42,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:07:42,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:42,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 06:07:42,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:42,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:42,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:42,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:42,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:42,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:42,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:42,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:42,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:42,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:42,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:42,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:07:42,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:42,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:42,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:42,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:42,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:42,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:42,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:07:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:42,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:42,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:42,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:43,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:43,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:43,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 06:07:43,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:07:43,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 06:07:43,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:43,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:43,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:43,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 06:07:43,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:07:43,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:43,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:43,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:43,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:43,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:07:43,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:43,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:43,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:43,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:43,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:43,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:43,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:43,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:43,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:07:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:43,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:43,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:43,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:43,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:07:43,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:07:43,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 06:07:43,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:43,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:43,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:43,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 06:07:43,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:07:43,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:43,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 06:07:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:43,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:43,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:43,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:07:43,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:43,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:07:43,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:43,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:43,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:43,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:07:43,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:07:43,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:43,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 06:07:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:43,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:43,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:43,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:07:43,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:43,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:07:43,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:43,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:43,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:43,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:07:43,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:43,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:43,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:43,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:43,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:43,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:43,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:43,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:43,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:43,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:43,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:43,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:43,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:43,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:43,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:43,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:43,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:43,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:43,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:43,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:43,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:43,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:43,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:43,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:43,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:43,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:43,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 06:07:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:43,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:43,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:43,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:43,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:43,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:43,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:43,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:43,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:43,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:07:43,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:43,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:43,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 06:07:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:43,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:43,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:43,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:43,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:43,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:43,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:43,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:43,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:43,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:07:43,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:43,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:43,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:07:43,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1433399729] [2020-10-14 06:07:43,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:07:43,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:07:43,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571704475] [2020-10-14 06:07:43,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:07:43,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:07:43,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:07:43,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:07:43,262 INFO L87 Difference]: Start difference. First operand 643 states and 1010 transitions. Second operand 10 states. [2020-10-14 06:07:44,893 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:07:45,717 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:07:47,363 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:08:01,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:08:01,305 INFO L93 Difference]: Finished difference Result 1581 states and 2679 transitions. [2020-10-14 06:08:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 06:08:01,306 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-10-14 06:08:01,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:08:01,314 INFO L225 Difference]: With dead ends: 1581 [2020-10-14 06:08:01,314 INFO L226 Difference]: Without dead ends: 968 [2020-10-14 06:08:01,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 06:08:01,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2020-10-14 06:08:01,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 643. [2020-10-14 06:08:01,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-10-14 06:08:01,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1009 transitions. [2020-10-14 06:08:01,560 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1009 transitions. Word has length 96 [2020-10-14 06:08:01,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:08:01,560 INFO L479 AbstractCegarLoop]: Abstraction has 643 states and 1009 transitions. [2020-10-14 06:08:01,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:08:01,561 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1009 transitions. [2020-10-14 06:08:01,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-14 06:08:01,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:08:01,564 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] [2020-10-14 06:08:01,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 06:08:01,564 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:08:01,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:08:01,564 INFO L82 PathProgramCache]: Analyzing trace with hash 232951070, now seen corresponding path program 1 times [2020-10-14 06:08:01,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:08:01,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420729367] [2020-10-14 06:08:01,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:08:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:01,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:01,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:02,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:02,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:06,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:06,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 06:08:06,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:08:06,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 06:08:06,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:06,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:08:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 06:08:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 06:08:06,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:07,359 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:08:07,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:08:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:07,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:07,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 06:08:07,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:07,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:07,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:07,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:07,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:07,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:07,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:07,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:07,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:07,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:07,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:07,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:08:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:07,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:07,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:07,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:07,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:07,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:07,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:07,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:08:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:07,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:07,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:07,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:07,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:07,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:07,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:08:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:07,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:07,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:07,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:07,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:07,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:07,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:07,563 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:08:07,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:08:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:08:07,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:07,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 06:08:07,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:07,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:07,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:07,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:07,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:07,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:07,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:08:07,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:07,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:07,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:07,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:07,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:08:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:08:07,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:08:07,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 06:08:07,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:08:07,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:08:07,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 06:08:07,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:07,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:08:07,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:07,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:08:07,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:08:07,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:07,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:08:07,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:07,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:08:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 06:08:07,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:08:07,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 06:08:07,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:07,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:08:07,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 06:08:07,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:07,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 06:08:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:08:07,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:07,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:08:07,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:07,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:07,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:08:07,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:07,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 06:08:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:08:07,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:07,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:08:07,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:08:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:07,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:07,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:07,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:07,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:07,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:07,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:07,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:07,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:07,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:07,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:07,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:07,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:07,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:07,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 06:08:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:07,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:07,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:07,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:07,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:08:07,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:07,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:07,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 06:08:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:07,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:07,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:07,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:07,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:07,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:07,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:07,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:07,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:08:07,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:07,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:08,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:08:08,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420729367] [2020-10-14 06:08:08,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:08:08,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:08:08,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586946981] [2020-10-14 06:08:08,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:08:08,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:08:08,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:08:08,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:08:08,019 INFO L87 Difference]: Start difference. First operand 643 states and 1009 transitions. Second operand 12 states. [2020-10-14 06:08:09,806 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:08:10,578 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:08:11,337 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:08:12,055 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:08:12,801 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 06:08:14,825 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:08:33,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:08:33,609 INFO L93 Difference]: Finished difference Result 1587 states and 2685 transitions. [2020-10-14 06:08:33,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:08:33,610 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-10-14 06:08:33,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:08:33,618 INFO L225 Difference]: With dead ends: 1587 [2020-10-14 06:08:33,618 INFO L226 Difference]: Without dead ends: 962 [2020-10-14 06:08:33,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2020-10-14 06:08:33,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2020-10-14 06:08:33,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 637. [2020-10-14 06:08:33,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2020-10-14 06:08:33,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 996 transitions. [2020-10-14 06:08:33,782 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 996 transitions. Word has length 97 [2020-10-14 06:08:33,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:08:33,782 INFO L479 AbstractCegarLoop]: Abstraction has 637 states and 996 transitions. [2020-10-14 06:08:33,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:08:33,782 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 996 transitions. [2020-10-14 06:08:33,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-14 06:08:33,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:08:33,784 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] [2020-10-14 06:08:33,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 06:08:33,784 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:08:33,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:08:33,784 INFO L82 PathProgramCache]: Analyzing trace with hash 177945164, now seen corresponding path program 1 times [2020-10-14 06:08:33,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:08:33,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056687140] [2020-10-14 06:08:33,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:08:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:33,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:33,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:34,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:34,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:35,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:36,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:38,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:38,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-14 06:08:38,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:08:38,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 06:08:38,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:38,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:38,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:38,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 06:08:38,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:08:38,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:39,549 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:08:39,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:08:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:39,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:39,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:39,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:39,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:39,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 06:08:39,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:39,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:39,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:39,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:39,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:39,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:39,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:39,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:39,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:39,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:39,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:39,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:39,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:39,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:39,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:39,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:39,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:08:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:39,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:39,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:39,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:39,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:39,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:39,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:39,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:39,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:39,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:08:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:39,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:39,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:39,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:39,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:39,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:39,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:39,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:39,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:39,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:39,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:39,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:39,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:08:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:39,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:39,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:39,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:39,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:39,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:39,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:39,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:39,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:39,745 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:08:39,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:08:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:39,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:39,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:39,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:08:39,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:39,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 06:08:39,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:39,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:39,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:39,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:39,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:39,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:39,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:39,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:39,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:39,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:08:39,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:39,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:39,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:39,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:39,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:39,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:39,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:08:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:39,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:39,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:39,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:39,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:40,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:40,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 06:08:40,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:08:40,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-14 06:08:40,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:40,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 06:08:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:08:40,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:40,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:40,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:40,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:40,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:08:40,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:40,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:40,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:40,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:40,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:40,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:40,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:40,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:40,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:08:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:40,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:40,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:40,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:40,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 06:08:40,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:08:40,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 06:08:40,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:40,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:40,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:40,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:08:40,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:08:40,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:40,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:40,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:40,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:40,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:08:40,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:40,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:08:40,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:40,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:40,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:40,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:08:40,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:08:40,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:40,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 06:08:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:40,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:40,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:40,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:08:40,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:40,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:08:40,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:40,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:40,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:40,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:08:40,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:40,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:40,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:40,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:40,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:40,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:40,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:40,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:40,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:40,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:40,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:40,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:40,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:40,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:40,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:40,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:40,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:40,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:40,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:40,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:40,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:40,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:40,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:40,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:40,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:40,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:40,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 06:08:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:40,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:40,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:40,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:40,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:40,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:40,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:40,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:08:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:40,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:40,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 06:08:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:40,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:40,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:40,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:40,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:40,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:40,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:40,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:08:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:40,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:08:40,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056687140] [2020-10-14 06:08:40,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:08:40,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:08:40,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859825297] [2020-10-14 06:08:40,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:08:40,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:08:40,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:08:40,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:08:40,223 INFO L87 Difference]: Start difference. First operand 637 states and 996 transitions. Second operand 10 states. [2020-10-14 06:08:42,008 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:08:42,830 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:08:44,613 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:09:02,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:09:02,200 INFO L93 Difference]: Finished difference Result 1569 states and 2651 transitions. [2020-10-14 06:09:02,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 06:09:02,201 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-10-14 06:09:02,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:09:02,208 INFO L225 Difference]: With dead ends: 1569 [2020-10-14 06:09:02,208 INFO L226 Difference]: Without dead ends: 962 [2020-10-14 06:09:02,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 06:09:02,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2020-10-14 06:09:02,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 637. [2020-10-14 06:09:02,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2020-10-14 06:09:02,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 995 transitions. [2020-10-14 06:09:02,390 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 995 transitions. Word has length 98 [2020-10-14 06:09:02,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:09:02,391 INFO L479 AbstractCegarLoop]: Abstraction has 637 states and 995 transitions. [2020-10-14 06:09:02,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:09:02,391 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 995 transitions. [2020-10-14 06:09:02,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-14 06:09:02,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:09:02,393 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] [2020-10-14 06:09:02,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 06:09:02,393 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:09:02,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:09:02,394 INFO L82 PathProgramCache]: Analyzing trace with hash 2017938260, now seen corresponding path program 1 times [2020-10-14 06:09:02,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:09:02,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214629687] [2020-10-14 06:09:02,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:09:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:02,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:02,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:03,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:04,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:07,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:07,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-14 06:09:07,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:09:07,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 06:09:07,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:07,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:09:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 06:09:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 06:09:07,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,223 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:09:08,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:09:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:08,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 06:09:08,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:09:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:09:08,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:08,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:09:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:09:08,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:08,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:09:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:08,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:08,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:09:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:09:08,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:08,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,442 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:09:08,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:09:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:09:08,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:09:08,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:08,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:09:08,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:09:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 06:09:08,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:09:08,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 06:09:08,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:09:08,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:09:08,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 06:09:08,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:09:08,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:09:08,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:09:08,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:09:08,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:09:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:09:08,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:09:08,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 06:09:08,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:09:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:09:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 06:09:08,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:09:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 06:09:08,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:09:08,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:09:08,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:09:08,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 06:09:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:09:08,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:09:08,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:09:08,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:08,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:08,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:09:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:08,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:08,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 06:09:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:08,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:08,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:09:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 06:09:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:08,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:08,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:09:08,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:08,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:09:08,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214629687] [2020-10-14 06:09:08,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:09:08,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:09:08,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869828792] [2020-10-14 06:09:08,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:09:08,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:09:08,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:09:08,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:09:08,889 INFO L87 Difference]: Start difference. First operand 637 states and 995 transitions. Second operand 12 states. [2020-10-14 06:09:11,102 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:09:11,832 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:09:12,553 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:09:13,281 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:09:14,035 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 06:09:16,051 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 148