/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_spec14_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 05:48:33,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 05:48:33,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 05:48:33,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 05:48:33,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 05:48:33,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 05:48:33,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 05:48:33,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 05:48:33,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 05:48:33,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 05:48:33,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 05:48:33,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 05:48:33,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 05:48:33,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 05:48:33,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 05:48:33,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 05:48:33,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 05:48:33,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 05:48:33,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 05:48:33,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 05:48:33,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 05:48:33,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 05:48:33,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 05:48:33,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 05:48:33,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 05:48:33,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 05:48:33,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 05:48:33,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 05:48:33,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 05:48:33,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 05:48:33,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 05:48:33,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 05:48:33,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 05:48:33,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 05:48:33,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 05:48:33,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 05:48:33,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 05:48:33,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 05:48:33,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 05:48:33,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 05:48:33,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 05:48:33,332 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 05:48:33,378 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 05:48:33,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 05:48:33,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 05:48:33,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 05:48:33,383 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 05:48:33,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 05:48:33,383 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 05:48:33,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 05:48:33,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 05:48:33,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 05:48:33,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 05:48:33,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 05:48:33,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 05:48:33,386 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 05:48:33,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 05:48:33,386 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 05:48:33,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 05:48:33,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 05:48:33,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 05:48:33,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 05:48:33,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 05:48:33,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:48:33,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 05:48:33,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 05:48:33,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 05:48:33,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 05:48:33,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 05:48:33,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 05:48:33,389 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 05:48:33,389 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 05:48:33,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 05:48:33,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 05:48:33,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 05:48:33,692 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 05:48:33,692 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 05:48:33,693 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product28.cil.c [2020-10-14 05:48:33,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91eb643c7/4e53962c0b174591b2be5712f425c0de/FLAG9d9a6b9b5 [2020-10-14 05:48:34,363 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 05:48:34,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec14_product28.cil.c [2020-10-14 05:48:34,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91eb643c7/4e53962c0b174591b2be5712f425c0de/FLAG9d9a6b9b5 [2020-10-14 05:48:34,598 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91eb643c7/4e53962c0b174591b2be5712f425c0de [2020-10-14 05:48:34,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 05:48:34,608 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 05:48:34,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 05:48:34,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 05:48:34,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 05:48:34,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:48:34" (1/1) ... [2020-10-14 05:48:34,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69894223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:34, skipping insertion in model container [2020-10-14 05:48:34,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:48:34" (1/1) ... [2020-10-14 05:48:34,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 05:48:34,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 05:48:35,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:48:35,440 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 05:48:35,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:48:35,669 INFO L208 MainTranslator]: Completed translation [2020-10-14 05:48:35,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:35 WrapperNode [2020-10-14 05:48:35,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 05:48:35,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 05:48:35,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 05:48:35,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 05:48:35,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:35" (1/1) ... [2020-10-14 05:48:35,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:35" (1/1) ... [2020-10-14 05:48:35,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:35" (1/1) ... [2020-10-14 05:48:35,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:35" (1/1) ... [2020-10-14 05:48:35,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:35" (1/1) ... [2020-10-14 05:48:35,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:35" (1/1) ... [2020-10-14 05:48:35,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:35" (1/1) ... [2020-10-14 05:48:35,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 05:48:35,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 05:48:35,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 05:48:35,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 05:48:35,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:35" (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 05:48:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 05:48:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 05:48:35,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 05:48:35,961 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 05:48:35,961 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 05:48:35,961 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 05:48:35,961 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 05:48:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2020-10-14 05:48:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-14 05:48:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-14 05:48:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-14 05:48:35,963 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-14 05:48:35,963 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-14 05:48:35,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-14 05:48:35,963 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-14 05:48:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-14 05:48:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-14 05:48:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-14 05:48:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-14 05:48:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-14 05:48:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-14 05:48:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-14 05:48:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-14 05:48:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-14 05:48:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-14 05:48:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-14 05:48:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-14 05:48:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-14 05:48:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-14 05:48:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-14 05:48:35,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-14 05:48:35,968 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-14 05:48:35,968 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-14 05:48:35,968 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-14 05:48:35,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-14 05:48:35,969 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-14 05:48:35,969 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-14 05:48:35,969 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 05:48:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-14 05:48:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-14 05:48:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-14 05:48:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-14 05:48:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-14 05:48:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 05:48:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-14 05:48:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-14 05:48:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-14 05:48:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-14 05:48:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-14 05:48:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-14 05:48:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-14 05:48:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-14 05:48:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 05:48:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-14 05:48:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-14 05:48:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-14 05:48:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 05:48:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-14 05:48:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 05:48:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 05:48:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 05:48:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 05:48:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-14 05:48:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-14 05:48:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-14 05:48:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-14 05:48:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-14 05:48:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-14 05:48:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-14 05:48:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-14 05:48:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-14 05:48:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-14 05:48:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 05:48:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 05:48:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 05:48:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 05:48:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 05:48:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 05:48:35,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 05:48:35,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 05:48:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 05:48:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 05:48:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 05:48:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 05:48:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 05:48:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-14 05:48:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-14 05:48:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-14 05:48:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-14 05:48:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2020-10-14 05:48:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-14 05:48:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-14 05:48:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-14 05:48:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 05:48:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-14 05:48:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-14 05:48:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-14 05:48:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-14 05:48:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-14 05:48:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-14 05:48:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-14 05:48:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 05:48:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-14 05:48:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-14 05:48:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-14 05:48:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-14 05:48:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-14 05:48:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-14 05:48:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-14 05:48:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-14 05:48:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-14 05:48:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-14 05:48:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-14 05:48:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-14 05:48:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-14 05:48:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-14 05:48:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-14 05:48:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-14 05:48:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-14 05:48:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-14 05:48:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-14 05:48:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-14 05:48:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-14 05:48:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-14 05:48:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-14 05:48:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-14 05:48:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-14 05:48:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 05:48:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-14 05:48:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-14 05:48:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-14 05:48:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-14 05:48:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 05:48:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 05:48:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 05:48:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-14 05:48:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-14 05:48:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-14 05:48:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-14 05:48:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-14 05:48:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-14 05:48:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-14 05:48:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-14 05:48:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-14 05:48:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 05:48:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-14 05:48:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 05:48:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 05:48:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 05:48:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-14 05:48:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-14 05:48:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-14 05:48:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 05:48:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 05:48:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 05:48:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 05:48:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 05:48:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 05:48:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 05:48:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 05:48:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 05:48:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 05:48:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 05:48:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 05:48:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 05:48:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 05:48:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 05:48:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 05:48:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 05:48:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 05:48:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 05:48:38,338 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 05:48:38,338 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 05:48:38,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:48:38 BoogieIcfgContainer [2020-10-14 05:48:38,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 05:48:38,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 05:48:38,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 05:48:38,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 05:48:38,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:48:34" (1/3) ... [2020-10-14 05:48:38,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6227e994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:48:38, skipping insertion in model container [2020-10-14 05:48:38,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:35" (2/3) ... [2020-10-14 05:48:38,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6227e994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:48:38, skipping insertion in model container [2020-10-14 05:48:38,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:48:38" (3/3) ... [2020-10-14 05:48:38,364 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product28.cil.c [2020-10-14 05:48:38,374 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 05:48:38,387 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 05:48:38,402 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 05:48:38,433 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 05:48:38,433 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 05:48:38,433 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 05:48:38,433 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 05:48:38,433 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 05:48:38,434 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 05:48:38,434 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 05:48:38,434 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 05:48:38,489 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states. [2020-10-14 05:48:38,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-14 05:48:38,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:48:38,519 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:48:38,520 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:48:38,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:48:38,527 INFO L82 PathProgramCache]: Analyzing trace with hash 409688857, now seen corresponding path program 1 times [2020-10-14 05:48:38,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:48:38,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1516063318] [2020-10-14 05:48:38,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:48:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:39,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:39,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:39,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:40,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:43,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:44,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:44,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 05:48:44,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:48:44,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-14 05:48:44,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:44,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:44,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:48:44,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:44,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-14 05:48:44,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 05:48:45,066 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:48:45,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:48:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:45,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:45,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:45,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:45,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:45,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-14 05:48:45,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:45,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:45,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:45,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:45,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:48:45,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:45,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:48:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:45,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:45,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:45,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:48:45,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:45,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:48:45,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:45,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:45,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:45,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:45,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:48:45,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:45,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:48:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:45,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:45,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:45,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:48:45,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:45,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:48:45,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:45,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:45,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:45,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:45,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:48:45,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:45,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:48:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:45,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:45,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:45,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:45,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:45,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:48:45,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:45,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:48:45,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:45,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:48:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:45,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:45,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:45,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:48:45,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:45,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:48:45,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:45,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:45,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:45,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:45,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:48:45,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:45,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:48:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:45,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:45,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:45,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:45,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:45,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:46,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:46,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:48:46,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:48:46,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 770 [2020-10-14 05:48:46,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:46,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:46,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:46,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:46,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 05:48:46,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:46,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:48:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:46,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:46,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:46,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:46,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:48:46,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:48:46,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:48:46,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:46,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:46,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:46,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:48:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:46,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:46,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:46,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:46,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:48:46,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:48:46,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 05:48:46,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:46,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:46,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:46,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:48:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:46,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:46,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:46,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:48:46,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:46,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:46,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:46,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:46,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:46,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 05:48:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:46,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:46,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:46,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:46,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:46,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:46,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:46,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:46,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:48:46,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:46,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 05:48:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:46,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:46,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:46,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:48:46,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:46,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:48:46,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:46,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:46,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:48:46,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 05:48:46,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:48:46,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:46,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:48:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:46,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:46,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:46,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:48:46,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:46,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:48:46,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:46,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:46,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:48:46,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:46,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:48:46,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:46,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 05:48:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:46,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:46,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:46,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:46,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:46,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:46,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:46,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:46,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:46,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 05:48:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:46,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:46,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:46,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:46,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:46,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:48:46,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:46,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:46,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:46,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:46,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:46,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:46,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 05:48:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:46,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:46,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:46,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:46,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:46,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:46,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:46,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:46,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:46,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:46,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:46,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:46,415 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 05:48:46,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1516063318] [2020-10-14 05:48:46,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:48:46,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:48:46,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982160373] [2020-10-14 05:48:46,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:48:46,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:48:46,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:48:46,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:48:46,442 INFO L87 Difference]: Start difference. First operand 767 states. Second operand 9 states. [2020-10-14 05:48:48,004 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-14 05:48:50,666 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:48:51,451 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-14 05:48:56,552 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:49:07,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:49:07,124 INFO L93 Difference]: Finished difference Result 1468 states and 2483 transitions. [2020-10-14 05:49:07,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:49:07,133 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-10-14 05:49:07,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:49:07,166 INFO L225 Difference]: With dead ends: 1468 [2020-10-14 05:49:07,167 INFO L226 Difference]: Without dead ends: 847 [2020-10-14 05:49:07,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:49:07,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2020-10-14 05:49:07,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 612. [2020-10-14 05:49:07,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-10-14 05:49:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 965 transitions. [2020-10-14 05:49:07,477 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 965 transitions. Word has length 87 [2020-10-14 05:49:07,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:49:07,478 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 965 transitions. [2020-10-14 05:49:07,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:49:07,479 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 965 transitions. [2020-10-14 05:49:07,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-14 05:49:07,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:49:07,484 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] [2020-10-14 05:49:07,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 05:49:07,485 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:49:07,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:49:07,485 INFO L82 PathProgramCache]: Analyzing trace with hash 931685083, now seen corresponding path program 1 times [2020-10-14 05:49:07,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:49:07,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375876555] [2020-10-14 05:49:07,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:49:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:07,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:07,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:07,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:07,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:10,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:11,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 05:49:12,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:49:12,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5170 [2020-10-14 05:49:12,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:49:12,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 05:49:12,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 05:49:13,573 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:49:13,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:49:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:13,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:13,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:13,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:13,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:13,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 05:49:13,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:13,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:13,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:13,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:13,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:49:13,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:13,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:49:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:13,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:13,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:13,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:49:13,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:13,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:13,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:13,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:49:13,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:13,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:49:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:13,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:13,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:13,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:49:13,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:13,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:13,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:13,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:13,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:13,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:13,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:49:13,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:13,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:49:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:13,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:13,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:13,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:13,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:13,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:49:13,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:13,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:13,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:49:13,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:13,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:49:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:13,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:13,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:13,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:49:13,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:13,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:49:13,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:13,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:13,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:13,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:13,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:49:13,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:13,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:49:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:13,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:13,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:13,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:13,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:14,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:14,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:14,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:49:14,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:49:14,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 733 [2020-10-14 05:49:14,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:14,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:14,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:14,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:14,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 05:49:14,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:14,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:49:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:14,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:14,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:14,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:14,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:49:14,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:49:14,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:49:14,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:14,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:14,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:14,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:49:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:14,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:14,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:14,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:14,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:49:14,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:49:14,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 05:49:14,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:14,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:14,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:14,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:14,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:14,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:14,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:49:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:14,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:14,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:14,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:49:14,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:14,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:14,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:14,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:14,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:14,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:14,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:14,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:14,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 05:49:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:14,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:14,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:14,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:14,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:14,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:49:14,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:14,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:14,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:14,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:14,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:49:14,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:14,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 05:49:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:14,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:14,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:14,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:49:14,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:14,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 05:49:14,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:14,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:14,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:49:14,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 05:49:14,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 05:49:14,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:14,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:49:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:14,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:14,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:14,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:49:14,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:14,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:49:14,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:14,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:14,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:49:14,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:14,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:49:14,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:14,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:49:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:14,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:14,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:14,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:14,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:14,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:14,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:14,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:14,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:14,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:14,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:14,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 05:49:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:14,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:14,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:14,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:14,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:14,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:14,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:14,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:14,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:14,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:14,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:14,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:14,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 05:49:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:14,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:14,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:14,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:14,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:14,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:14,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:14,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:14,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:14,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:14,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:14,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:14,840 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 05:49:14,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375876555] [2020-10-14 05:49:14,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:49:14,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:49:14,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107449760] [2020-10-14 05:49:14,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:49:14,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:49:14,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:49:14,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:49:14,844 INFO L87 Difference]: Start difference. First operand 612 states and 965 transitions. Second operand 9 states. [2020-10-14 05:49:16,269 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-14 05:49:18,630 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:49:19,426 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-14 05:49:24,635 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:49:34,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:49:34,677 INFO L93 Difference]: Finished difference Result 1432 states and 2414 transitions. [2020-10-14 05:49:34,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:49:34,679 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-14 05:49:34,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:49:34,689 INFO L225 Difference]: With dead ends: 1432 [2020-10-14 05:49:34,689 INFO L226 Difference]: Without dead ends: 852 [2020-10-14 05:49:34,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:49:34,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-14 05:49:34,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 617. [2020-10-14 05:49:34,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-10-14 05:49:34,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 970 transitions. [2020-10-14 05:49:34,864 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 970 transitions. Word has length 88 [2020-10-14 05:49:34,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:49:34,864 INFO L479 AbstractCegarLoop]: Abstraction has 617 states and 970 transitions. [2020-10-14 05:49:34,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:49:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 970 transitions. [2020-10-14 05:49:34,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 05:49:34,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:49:34,867 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] [2020-10-14 05:49:34,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 05:49:34,867 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:49:34,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:49:34,868 INFO L82 PathProgramCache]: Analyzing trace with hash -514812323, now seen corresponding path program 1 times [2020-10-14 05:49:34,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:49:34,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [685959997] [2020-10-14 05:49:34,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:49:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:34,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:35,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:35,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:36,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:36,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:39,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:39,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 05:49:39,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:49:39,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-14 05:49:39,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:39,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:39,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:49:39,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:39,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 05:49:39,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:40,737 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:49:40,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:49:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:40,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:40,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:40,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:40,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:40,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-14 05:49:40,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:40,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:40,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:40,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:40,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:49:40,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:40,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:49:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:40,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:40,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:40,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:49:40,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:40,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:40,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:40,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:40,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:40,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:40,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:49:40,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:40,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:49:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:40,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:40,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:40,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:49:40,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:40,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:40,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:40,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:49:40,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:40,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:49:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:40,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:40,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:40,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:40,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:40,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:49:40,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:40,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:40,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:40,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:40,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:49:40,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:40,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:49:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:40,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:40,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:40,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:49:40,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:40,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:40,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:40,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:40,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:49:40,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:41,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:49:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:41,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:41,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:49:41,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:49:41,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 776 [2020-10-14 05:49:41,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:41,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:41,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:41,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:41,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 05:49:41,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:41,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:49:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:41,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:41,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:49:41,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:49:41,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:49:41,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:41,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:41,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:41,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:41,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:41,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:41,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:49:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:41,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:41,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:49:41,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:49:41,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 05:49:41,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:41,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:41,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:41,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:41,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:41,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:49:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:41,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:41,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:49:41,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:41,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:41,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:41,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:41,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:41,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:41,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:41,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 05:49:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:41,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:41,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:41,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:41,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:41,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:41,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:41,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:41,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:41,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:49:41,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:41,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 05:49:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:41,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:41,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 05:49:41,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:41,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:49:41,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:41,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:41,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:49:41,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 05:49:41,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 05:49:41,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:41,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:49:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:41,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:41,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:49:41,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:41,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:49:41,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:41,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:41,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:49:41,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:41,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:49:41,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:41,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 05:49:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:41,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:41,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:41,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:41,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:41,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:41,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:41,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:41,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:41,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:41,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:41,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 05:49:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:41,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:41,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:41,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:41,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:41,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:41,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:41,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:41,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:41,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 05:49:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:41,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:41,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:41,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:41,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:41,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:41,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:41,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:41,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:41,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:41,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:41,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:42,019 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 05:49:42,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [685959997] [2020-10-14 05:49:42,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:49:42,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:49:42,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842075964] [2020-10-14 05:49:42,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:49:42,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:49:42,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:49:42,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:49:42,022 INFO L87 Difference]: Start difference. First operand 617 states and 970 transitions. Second operand 9 states. [2020-10-14 05:49:43,470 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-14 05:49:45,707 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:49:46,469 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-14 05:49:51,381 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:50:00,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:50:00,405 INFO L93 Difference]: Finished difference Result 1445 states and 2424 transitions. [2020-10-14 05:50:00,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:50:00,419 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-14 05:50:00,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:50:00,427 INFO L225 Difference]: With dead ends: 1445 [2020-10-14 05:50:00,428 INFO L226 Difference]: Without dead ends: 860 [2020-10-14 05:50:00,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:50:00,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2020-10-14 05:50:00,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 625. [2020-10-14 05:50:00,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2020-10-14 05:50:00,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 983 transitions. [2020-10-14 05:50:00,614 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 983 transitions. Word has length 89 [2020-10-14 05:50:00,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:50:00,615 INFO L479 AbstractCegarLoop]: Abstraction has 625 states and 983 transitions. [2020-10-14 05:50:00,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:50:00,615 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 983 transitions. [2020-10-14 05:50:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 05:50:00,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:50:00,617 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] [2020-10-14 05:50:00,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 05:50:00,617 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:50:00,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:50:00,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1439897119, now seen corresponding path program 1 times [2020-10-14 05:50:00,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:50:00,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603193276] [2020-10-14 05:50:00,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:50:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:00,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:00,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:00,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:01,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:03,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:05,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:05,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 05:50:05,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:50:05,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-14 05:50:05,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:05,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:05,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:50:05,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:05,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 05:50:05,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:06,386 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:50:06,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:50:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:06,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:06,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:06,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:06,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:06,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 05:50:06,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:06,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:50:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:50:06,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:50:06,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:50:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:06,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:06,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:06,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:50:06,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:06,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:50:06,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:06,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:06,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:50:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:50:06,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:06,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:50:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:06,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:06,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:06,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:50:06,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:06,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:06,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:06,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:06,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:50:06,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:06,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:50:06,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:06,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:50:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:06,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:06,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:06,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:06,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:06,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:50:06,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:06,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:06,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:50:06,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:06,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:50:06,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:06,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:50:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:06,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:06,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:06,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:50:06,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:06,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:50:06,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:06,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:06,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:50:06,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:06,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:50:06,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:06,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:50:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:06,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:06,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:06,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:06,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:06,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:07,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:07,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:50:07,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:50:07,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-14 05:50:07,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:07,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:07,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:50:07,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:07,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 05:50:07,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:07,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:50:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:07,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:07,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:07,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:07,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:50:07,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:50:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:50:07,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:07,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:07,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:07,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:50:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:07,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:07,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:07,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:07,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:50:07,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:50:07,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:50:07,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:07,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:07,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:07,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:50:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:07,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:07,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:07,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:50:07,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:07,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:07,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:07,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:07,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:07,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:07,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:07,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:50:07,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 05:50:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:07,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:07,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:07,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:07,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:07,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:07,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:07,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:07,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:50:07,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:07,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:50:07,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:07,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 05:50:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:07,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:07,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:07,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:50:07,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:07,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:50:07,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:07,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:07,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:50:07,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 05:50:07,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:50:07,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:07,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:50:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:07,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:07,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:07,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 05:50:07,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:07,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:50:07,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:07,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:07,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:50:07,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:07,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:50:07,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:50:07,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 05:50:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:07,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:07,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:07,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:07,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:07,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:07,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:07,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:07,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:07,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:07,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:07,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:07,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 05:50:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:07,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:07,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:07,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:07,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:07,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:50:07,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:07,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:07,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:07,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 05:50:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:07,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:07,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:07,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:07,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:07,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:07,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:07,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:07,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:07,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:07,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:07,334 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 05:50:07,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603193276] [2020-10-14 05:50:07,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:50:07,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:50:07,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997011895] [2020-10-14 05:50:07,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:50:07,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:50:07,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:50:07,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:50:07,336 INFO L87 Difference]: Start difference. First operand 625 states and 983 transitions. Second operand 9 states. [2020-10-14 05:50:09,255 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-14 05:50:11,423 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 05:50:12,223 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-14 05:50:17,554 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 05:50:27,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:50:27,477 INFO L93 Difference]: Finished difference Result 1462 states and 2452 transitions. [2020-10-14 05:50:27,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:50:27,478 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-14 05:50:27,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:50:27,488 INFO L225 Difference]: With dead ends: 1462 [2020-10-14 05:50:27,488 INFO L226 Difference]: Without dead ends: 867 [2020-10-14 05:50:27,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:50:27,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-10-14 05:50:27,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 632. [2020-10-14 05:50:27,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-10-14 05:50:27,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 989 transitions. [2020-10-14 05:50:27,640 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 989 transitions. Word has length 90 [2020-10-14 05:50:27,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:50:27,641 INFO L479 AbstractCegarLoop]: Abstraction has 632 states and 989 transitions. [2020-10-14 05:50:27,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:50:27,641 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 989 transitions. [2020-10-14 05:50:27,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-14 05:50:27,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:50:27,643 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] [2020-10-14 05:50:27,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 05:50:27,643 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:50:27,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:50:27,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1457836449, now seen corresponding path program 1 times [2020-10-14 05:50:27,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:50:27,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1941985928] [2020-10-14 05:50:27,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:50:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:27,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:27,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:27,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:27,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:30,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:30,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:32,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:32,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 05:50:32,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:50:32,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-14 05:50:32,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:32,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:32,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:50:32,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 05:50:32,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:50:32,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:33,616 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:50:33,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:50:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:33,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:33,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:33,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:33,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:33,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 05:50:33,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:33,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:33,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:33,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:33,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:33,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:33,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:50:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:33,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:33,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:33,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:50:33,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:33,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:33,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:33,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:33,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:33,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:33,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:33,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:33,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:50:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:33,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:33,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:33,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:50:33,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:33,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:33,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:33,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:33,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:33,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:50:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:33,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:33,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:33,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:33,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:33,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:33,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:33,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:33,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:33,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:33,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:33,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:50:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:33,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:33,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:33,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:50:33,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:33,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:33,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:33,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:33,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:33,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:33,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:33,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:33,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:50:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:33,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:33,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:33,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:33,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:34,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:34,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:50:34,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:50:34,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-14 05:50:34,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:34,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:34,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:50:34,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:50:34,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:50:34,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:34,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:50:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:34,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:34,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:34,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:34,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:50:34,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:50:34,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:50:34,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:34,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:34,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:34,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:34,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:34,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:34,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:50:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:34,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:34,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:34,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:50:34,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:34,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 05:50:34,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:34,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:34,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:50:34,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:50:34,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 05:50:34,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:34,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:50:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:34,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:34,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:34,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:50:34,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:34,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:50:34,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:34,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:50:34,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:34,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:50:34,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:50:34,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 05:50:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:34,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:34,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:34,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:34,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:34,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:34,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:34,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:34,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:34,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 05:50:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:34,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:34,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:34,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:50:34,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:34,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:50:34,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:34,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:34,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:34,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:50:34,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:34,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:34,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:50:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:34,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:34,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:34,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:50:34,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:34,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:50:34,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:34,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:34,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:34,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:34,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:50:34,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 05:50:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:34,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:34,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:34,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:34,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:34,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:34,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:34,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:34,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:50:34,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 05:50:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:34,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:34,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:34,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:34,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:34,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:50:34,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:34,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:34,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:34,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:34,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:34,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:50:34,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 05:50:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:34,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:34,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:34,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:34,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:34,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:34,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:34,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:34,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:34,317 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 05:50:34,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1941985928] [2020-10-14 05:50:34,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:50:34,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 05:50:34,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346440880] [2020-10-14 05:50:34,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 05:50:34,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:50:34,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 05:50:34,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:50:34,319 INFO L87 Difference]: Start difference. First operand 632 states and 989 transitions. Second operand 7 states. [2020-10-14 05:50:36,157 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:50:44,949 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:50:45,668 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:50:51,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:50:51,987 INFO L93 Difference]: Finished difference Result 1490 states and 2452 transitions. [2020-10-14 05:50:51,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:50:51,988 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2020-10-14 05:50:51,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:50:51,997 INFO L225 Difference]: With dead ends: 1490 [2020-10-14 05:50:51,997 INFO L226 Difference]: Without dead ends: 886 [2020-10-14 05:50:52,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:50:52,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-14 05:50:52,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 646. [2020-10-14 05:50:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-10-14 05:50:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 1008 transitions. [2020-10-14 05:50:52,199 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 1008 transitions. Word has length 91 [2020-10-14 05:50:52,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:50:52,199 INFO L479 AbstractCegarLoop]: Abstraction has 646 states and 1008 transitions. [2020-10-14 05:50:52,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 05:50:52,199 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1008 transitions. [2020-10-14 05:50:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-14 05:50:52,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:50:52,203 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] [2020-10-14 05:50:52,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 05:50:52,204 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:50:52,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:50:52,204 INFO L82 PathProgramCache]: Analyzing trace with hash -910637128, now seen corresponding path program 1 times [2020-10-14 05:50:52,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:50:52,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778517436] [2020-10-14 05:50:52,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:50:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:52,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:52,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:52,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:52,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:54,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:54,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:57,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:57,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 05:50:57,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:50:57,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 05:50:57,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:57,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:57,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:50:57,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 05:50:57,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:50:57,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:58,411 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:50:58,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:50:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:58,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:58,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:58,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:58,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:58,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 05:50:58,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:58,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:58,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:58,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:58,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:50:58,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:50:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:58,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:58,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:58,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:50:58,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:58,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:58,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:58,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:58,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:50:58,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:50:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:58,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:58,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:58,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:50:58,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:58,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:50:58,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:58,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:58,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:58,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:50:58,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:50:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:58,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:58,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:58,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:58,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:58,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:58,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:58,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:58,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:50:58,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:50:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:58,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:58,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:58,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:50:58,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:58,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:58,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:58,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:58,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:58,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:50:58,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:50:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:58,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:58,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:58,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:58,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:58,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:58,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 05:50:58,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:50:58,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-10-14 05:50:58,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:58,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:58,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:50:58,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:50:58,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:50:58,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:58,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:50:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:58,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:58,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:58,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:58,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:50:58,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:50:58,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:58,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:58,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:58,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:58,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:58,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:58,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:58,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:50:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:58,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:58,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:58,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 05:50:58,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:58,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 05:50:58,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:58,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:58,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:50:58,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:50:58,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 05:50:58,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:59,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:50:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:59,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:59,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:59,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:50:59,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:59,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:59,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:59,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:59,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:50:59,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:59,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:50:59,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:59,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 05:50:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:59,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:59,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:59,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:59,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:59,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:59,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:59,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:59,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:59,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:59,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:59,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:59,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 05:50:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:59,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:59,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:59,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:50:59,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:59,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:59,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:59,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:59,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:59,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:50:59,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:59,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:59,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:50:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:59,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:59,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:59,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:50:59,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:59,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:59,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:59,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:59,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:59,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:59,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:59,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 05:50:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:59,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:59,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:59,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:59,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:59,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:59,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:59,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:59,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:59,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:59,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:59,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:59,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 05:50:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:59,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:59,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:59,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:59,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:59,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:59,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:59,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:59,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:59,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:59,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:59,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:59,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-14 05:50:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:59,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:59,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:59,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:59,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:59,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:59,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:59,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:59,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:59,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:59,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:59,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:59,059 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 05:50:59,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [778517436] [2020-10-14 05:50:59,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:50:59,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 05:50:59,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141294870] [2020-10-14 05:50:59,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 05:50:59,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:50:59,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 05:50:59,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:50:59,062 INFO L87 Difference]: Start difference. First operand 646 states and 1008 transitions. Second operand 7 states. [2020-10-14 05:51:00,914 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:51:09,648 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:51:10,377 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:51:16,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:51:16,447 INFO L93 Difference]: Finished difference Result 1470 states and 2393 transitions. [2020-10-14 05:51:16,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:51:16,447 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-10-14 05:51:16,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:51:16,454 INFO L225 Difference]: With dead ends: 1470 [2020-10-14 05:51:16,454 INFO L226 Difference]: Without dead ends: 886 [2020-10-14 05:51:16,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:51:16,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-14 05:51:16,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 646. [2020-10-14 05:51:16,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-10-14 05:51:16,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 1003 transitions. [2020-10-14 05:51:16,616 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 1003 transitions. Word has length 92 [2020-10-14 05:51:16,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:51:16,616 INFO L479 AbstractCegarLoop]: Abstraction has 646 states and 1003 transitions. [2020-10-14 05:51:16,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 05:51:16,616 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1003 transitions. [2020-10-14 05:51:16,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-14 05:51:16,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:51:16,618 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 05:51:16,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 05:51:16,619 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:51:16,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:51:16,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1833419142, now seen corresponding path program 1 times [2020-10-14 05:51:16,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:51:16,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115298446] [2020-10-14 05:51:16,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:51:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:16,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:16,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:16,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:17,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:19,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:20,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:21,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:21,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-14 05:51:21,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:51:21,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-14 05:51:21,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:21,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:21,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:51:21,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 05:51:21,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:51:21,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:22,483 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:51:22,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:51:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:22,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:22,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:22,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:22,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 05:51:22,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:22,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:22,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:22,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:51:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:22,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:22,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:22,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:51:22,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:22,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:22,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:22,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:22,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:22,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:51:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:22,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:22,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:22,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:51:22,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:22,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:22,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:22,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:22,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:22,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:22,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:22,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:22,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:51:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:22,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:22,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:22,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:22,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:22,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:22,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:22,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:22,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:22,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:22,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:22,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:22,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:51:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:22,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:22,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:22,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:51:22,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:22,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:22,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:22,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:22,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:22,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:51:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:22,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:22,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:22,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:22,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:22,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:22,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 05:51:22,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:51:22,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-14 05:51:22,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:22,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:22,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:51:22,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:51:22,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:51:22,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:22,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:51:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:22,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:22,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:22,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:22,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:51:22,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:51:22,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:51:22,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:22,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:22,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:22,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:22,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:22,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:22,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:51:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:22,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:22,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:22,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:51:22,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:22,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 05:51:22,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:22,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:51:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:51:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:51:22,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:23,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:51:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:23,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:23,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:23,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:51:23,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:23,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:51:23,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:23,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:23,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:51:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:51:23,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:23,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 05:51:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:23,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:23,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:23,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:23,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:23,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:23,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:23,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:51:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:23,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:23,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 05:51:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:23,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:23,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:23,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:51:23,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:23,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:51:23,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:23,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:51:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:23,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:23,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:51:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:23,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:23,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:23,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:51:23,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:23,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:51:23,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:23,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:23,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:23,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:23,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 05:51:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:23,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:23,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:23,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:23,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:23,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:23,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:23,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:51:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:23,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:23,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 05:51:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:23,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:23,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:23,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:23,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:51:23,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:23,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:51:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:23,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 05:51:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:23,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:23,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:23,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:23,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:23,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:23,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:23,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:23,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:23,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:51:23,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:23,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:23,091 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 05:51:23,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115298446] [2020-10-14 05:51:23,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:51:23,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 05:51:23,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212401229] [2020-10-14 05:51:23,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 05:51:23,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:51:23,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 05:51:23,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:51:23,093 INFO L87 Difference]: Start difference. First operand 646 states and 1003 transitions. Second operand 7 states. [2020-10-14 05:51:24,945 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:51:33,933 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:51:34,691 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:51:41,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:51:41,739 INFO L93 Difference]: Finished difference Result 1470 states and 2388 transitions. [2020-10-14 05:51:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:51:41,740 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-10-14 05:51:41,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:51:41,748 INFO L225 Difference]: With dead ends: 1470 [2020-10-14 05:51:41,748 INFO L226 Difference]: Without dead ends: 886 [2020-10-14 05:51:41,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:51:41,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-14 05:51:41,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 646. [2020-10-14 05:51:41,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-10-14 05:51:41,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 998 transitions. [2020-10-14 05:51:41,910 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 998 transitions. Word has length 93 [2020-10-14 05:51:41,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:51:41,910 INFO L479 AbstractCegarLoop]: Abstraction has 646 states and 998 transitions. [2020-10-14 05:51:41,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 05:51:41,911 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 998 transitions. [2020-10-14 05:51:41,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 05:51:41,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:51:41,912 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 05:51:41,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 05:51:41,913 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:51:41,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:51:41,913 INFO L82 PathProgramCache]: Analyzing trace with hash -142856579, now seen corresponding path program 1 times [2020-10-14 05:51:41,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:51:41,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [476440274] [2020-10-14 05:51:41,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:51:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:41,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:42,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:42,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:42,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:43,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:43,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:46,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:46,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 05:51:46,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:51:46,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 05:51:46,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:46,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:51:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 05:51:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:51:46,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:47,664 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:51:47,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:51:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:47,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:47,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:47,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:47,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:47,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 05:51:47,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:47,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:47,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:47,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:47,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:47,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:51:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:47,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:47,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:47,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:51:47,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:47,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:47,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:47,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:47,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:47,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:51:47,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:51:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:47,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:47,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:47,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:51:47,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:47,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:47,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:47,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:47,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:47,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:47,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:47,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:51:47,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:51:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:47,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:47,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:47,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:47,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:47,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:47,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:47,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:47,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:47,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:51:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:47,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:47,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:47,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:51:47,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:47,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:47,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:47,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:47,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:47,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:51:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:47,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:47,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:47,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:47,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:48,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:48,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 05:51:48,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:51:48,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-14 05:51:48,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:48,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:48,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:51:48,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:51:48,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:51:48,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:48,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:51:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:48,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:48,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:48,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:48,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:51:48,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:51:48,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:51:48,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:48,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:48,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:48,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:48,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:48,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:48,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:51:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:48,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:48,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:48,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:51:48,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:48,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 05:51:48,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:48,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:48,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:51:48,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:51:48,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:51:48,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:48,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:51:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:48,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:48,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:48,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:51:48,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:48,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:51:48,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:48,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:48,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:51:48,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:48,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:51:48,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:48,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 05:51:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:48,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:48,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:48,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:48,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:48,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:48,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:48,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:48,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:48,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:51:48,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:48,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:48,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 05:51:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:48,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:48,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:48,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:51:48,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:48,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:51:48,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:48,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:48,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:48,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:51:48,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:48,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:48,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:51:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:48,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:48,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:48,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:51:48,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:48,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:51:48,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:48,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:48,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:48,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:48,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:48,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:51:48,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 05:51:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:48,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:48,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:48,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:48,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:48,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:48,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:48,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:48,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:48,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:51:48,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:48,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:51:48,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 05:51:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:48,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:48,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:48,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:48,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:48,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:51:48,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:48,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:48,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:48,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:51:48,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:48,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:48,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 05:51:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:48,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:48,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:48,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:48,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:48,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:51:48,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:48,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:48,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:48,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:51:48,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:48,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 05:51:48,392 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 05:51:48,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [476440274] [2020-10-14 05:51:48,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:51:48,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 05:51:48,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758946245] [2020-10-14 05:51:48,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 05:51:48,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:51:48,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 05:51:48,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:51:48,395 INFO L87 Difference]: Start difference. First operand 646 states and 998 transitions. Second operand 7 states. [2020-10-14 05:51:50,013 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:51:58,313 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:51:59,079 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:52:04,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:52:04,555 INFO L93 Difference]: Finished difference Result 1470 states and 2383 transitions. [2020-10-14 05:52:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:52:04,556 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2020-10-14 05:52:04,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:52:04,563 INFO L225 Difference]: With dead ends: 1470 [2020-10-14 05:52:04,564 INFO L226 Difference]: Without dead ends: 886 [2020-10-14 05:52:04,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:52:04,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-14 05:52:04,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 646. [2020-10-14 05:52:04,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-10-14 05:52:04,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 993 transitions. [2020-10-14 05:52:04,770 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 993 transitions. Word has length 94 [2020-10-14 05:52:04,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:52:04,771 INFO L479 AbstractCegarLoop]: Abstraction has 646 states and 993 transitions. [2020-10-14 05:52:04,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 05:52:04,771 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 993 transitions. [2020-10-14 05:52:04,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 05:52:04,773 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:52:04,773 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 05:52:04,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 05:52:04,773 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:52:04,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:52:04,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1756539742, now seen corresponding path program 1 times [2020-10-14 05:52:04,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:52:04,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759364168] [2020-10-14 05:52:04,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:52:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:04,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:04,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:04,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:04,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:07,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:09,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:09,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:09,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 05:52:09,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:52:09,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 05:52:09,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:09,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:09,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:52:09,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-14 05:52:09,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:52:09,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:10,568 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:52:10,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:52:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:10,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:10,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:10,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:10,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:10,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 05:52:10,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:10,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:10,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:10,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:10,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:10,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:10,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:52:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:10,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:10,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:10,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:52:10,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:10,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:52:10,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:10,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:10,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:10,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:10,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:10,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:10,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:52:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:10,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:10,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:10,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:52:10,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:10,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:52:10,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:10,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:10,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:10,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:10,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:10,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:10,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:52:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:10,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:10,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:10,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:10,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:10,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:52:10,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:10,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:10,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:10,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:52:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:10,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:10,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:10,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:52:10,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:10,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:52:10,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:10,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:10,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:10,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:10,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:10,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:10,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:52:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:10,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:10,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:10,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:10,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:11,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:11,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 05:52:11,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:52:11,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-14 05:52:11,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:11,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:11,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:52:11,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:52:11,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:52:11,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:11,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:11,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:11,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:11,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:11,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:52:11,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:52:11,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:52:11,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:11,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:11,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:11,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:11,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:11,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:11,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:52:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:11,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:11,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:11,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:52:11,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:11,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 05:52:11,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:11,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:52:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 05:52:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:52:11,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:11,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:52:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:11,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:11,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:11,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:52:11,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:11,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:52:11,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:11,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:11,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:52:11,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:52:11,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:52:11,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:11,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 05:52:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:11,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:11,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:11,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:11,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:11,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:52:11,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:11,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:11,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:11,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:52:11,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:11,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:11,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 05:52:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:11,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:11,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:11,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:52:11,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:11,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:52:11,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:11,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:11,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:11,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:52:11,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:11,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:11,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:11,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:11,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:11,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:52:11,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:52:11,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:11,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:11,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 05:52:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:11,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:11,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:11,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:11,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:11,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:52:11,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:11,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:11,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:11,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:52:11,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:11,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:11,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 05:52:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:11,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:11,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:11,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:11,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:11,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:52:11,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:11,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:11,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:11,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:52:11,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:11,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:11,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 05:52:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:11,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:11,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:11,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:11,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:11,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:52:11,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:11,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:11,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:11,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:52:11,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:11,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:11,158 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 05:52:11,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759364168] [2020-10-14 05:52:11,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:52:11,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 05:52:11,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694904970] [2020-10-14 05:52:11,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:52:11,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:52:11,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:52:11,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:52:11,160 INFO L87 Difference]: Start difference. First operand 646 states and 993 transitions. Second operand 8 states. [2020-10-14 05:52:12,733 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 05:52:13,598 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 389