/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 SingleStatement --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:53:20,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:53:20,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:53:20,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:53:20,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:53:20,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:53:20,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:53:20,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:53:20,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:53:20,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:53:20,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:53:20,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:53:20,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:53:20,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:53:20,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:53:20,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:53:20,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:53:20,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:53:20,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:53:20,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:53:20,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:53:20,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:53:20,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:53:20,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:53:20,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:53:20,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:53:20,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:53:20,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:53:20,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:53:20,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:53:20,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:53:20,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:53:20,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:53:20,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:53:20,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:53:20,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:53:20,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:53:20,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:53:20,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:53:20,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:53:20,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:53:20,972 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 [2020-09-24 15:53:21,018 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:53:21,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:53:21,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:53:21,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:53:21,020 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:53:21,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:53:21,021 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:53:21,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:53:21,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:53:21,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:53:21,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:53:21,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:53:21,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:53:21,022 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:53:21,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:53:21,022 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:53:21,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:53:21,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:53:21,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:53:21,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:53:21,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:53:21,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:53:21,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:53:21,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:53:21,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:53:21,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:53:21,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:53:21,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:53:21,025 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:53:21,025 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 -> SingleStatement 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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:53:21,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:53:21,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:53:21,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:53:21,535 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:53:21,536 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:53:21,537 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-09-24 15:53:21,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e539e492/f7a900ceddc44039baca74603290d55e/FLAG495f266e4 [2020-09-24 15:53:22,270 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:53:22,270 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-09-24 15:53:22,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e539e492/f7a900ceddc44039baca74603290d55e/FLAG495f266e4 [2020-09-24 15:53:22,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e539e492/f7a900ceddc44039baca74603290d55e [2020-09-24 15:53:22,543 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:53:22,549 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:53:22,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:53:22,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:53:22,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:53:22,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:53:22" (1/1) ... [2020-09-24 15:53:22,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:22, skipping insertion in model container [2020-09-24 15:53:22,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:53:22" (1/1) ... [2020-09-24 15:53:22,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:53:22,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:53:23,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:53:23,337 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:53:23,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:53:23,492 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:53:23,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:23 WrapperNode [2020-09-24 15:53:23,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:53:23,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:53:23,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:53:23,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:53:23,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:23" (1/1) ... [2020-09-24 15:53:23,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:23" (1/1) ... [2020-09-24 15:53:23,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:23" (1/1) ... [2020-09-24 15:53:23,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:23" (1/1) ... [2020-09-24 15:53:23,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:23" (1/1) ... [2020-09-24 15:53:23,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:23" (1/1) ... [2020-09-24 15:53:23,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:23" (1/1) ... [2020-09-24 15:53:23,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:53:23,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:53:23,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:53:23,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:53:23,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:23" (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 [2020-09-24 15:53:23,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:53:23,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:53:23,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:53:23,680 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:53:23,680 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:53:23,680 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:53:23,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:53:23,681 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:53:23,682 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:53:23,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:53:23,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:53:23,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:53:23,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:53:23,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:53:23,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:53:23,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:53:23,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:53:23,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:53:23,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:53:23,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:53:23,686 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:53:23,687 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:53:23,687 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:53:23,687 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:53:23,689 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:53:23,690 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:53:23,690 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:53:23,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:53:23,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:53:23,690 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:53:23,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:53:23,690 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:53:23,691 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:53:23,691 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:53:23,691 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:53:23,691 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:53:23,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:53:23,691 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:53:23,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:53:23,692 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:53:23,692 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:53:23,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:53:23,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:53:23,692 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:53:23,692 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:53:23,693 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:53:23,693 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:53:23,693 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:53:23,693 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:53:23,693 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:53:23,694 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:53:23,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:53:23,695 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:53:23,695 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:53:23,696 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:53:23,696 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:53:23,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:53:23,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:53:23,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:53:23,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:53:23,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:53:23,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:53:23,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:53:23,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:53:23,698 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:53:23,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:53:23,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:53:23,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:53:23,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:53:23,699 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:53:23,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:53:23,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:53:23,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:53:23,701 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:53:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:53:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:53:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:53:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:53:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:53:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:53:23,703 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:53:23,703 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:53:23,704 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:53:23,704 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:53:23,704 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:53:23,704 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:53:23,704 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:53:23,705 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:53:23,705 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:53:23,705 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:53:23,705 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:53:23,705 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:53:23,705 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:53:23,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:53:23,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:53:23,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:53:25,029 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:53:25,030 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:53:25,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:53:25 BoogieIcfgContainer [2020-09-24 15:53:25,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:53:25,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:53:25,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:53:25,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:53:25,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:53:22" (1/3) ... [2020-09-24 15:53:25,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@615c2b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:53:25, skipping insertion in model container [2020-09-24 15:53:25,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:23" (2/3) ... [2020-09-24 15:53:25,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@615c2b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:53:25, skipping insertion in model container [2020-09-24 15:53:25,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:53:25" (3/3) ... [2020-09-24 15:53:25,058 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2020-09-24 15:53:25,070 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:53:25,083 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:53:25,108 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:53:25,142 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:53:25,142 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:53:25,143 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:53:25,143 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:53:25,143 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:53:25,143 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:53:25,143 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:53:25,143 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:53:25,170 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states. [2020-09-24 15:53:25,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:53:25,189 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:25,190 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:25,191 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:25,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:25,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1646918823, now seen corresponding path program 1 times [2020-09-24 15:53:25,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:25,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16886174] [2020-09-24 15:53:25,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:53:25,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:53:25,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:53:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:26,062 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:26,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:26,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:26,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:26,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:26,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:26,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:26,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:26,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:26,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:26,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:26,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:26,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:26,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:53:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:26,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:26,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:26,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:26,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:53:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:26,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:26,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:26,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:53:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:26,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:26,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16886174] [2020-09-24 15:53:26,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:26,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:53:26,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432229719] [2020-09-24 15:53:26,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:53:26,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:26,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:53:26,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:53:26,379 INFO L87 Difference]: Start difference. First operand 328 states. Second operand 4 states. [2020-09-24 15:53:27,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:27,715 INFO L93 Difference]: Finished difference Result 515 states and 603 transitions. [2020-09-24 15:53:27,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:53:27,718 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:53:27,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:27,740 INFO L225 Difference]: With dead ends: 515 [2020-09-24 15:53:27,740 INFO L226 Difference]: Without dead ends: 323 [2020-09-24 15:53:27,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:53:27,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-09-24 15:53:27,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 277. [2020-09-24 15:53:27,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-09-24 15:53:27,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 302 transitions. [2020-09-24 15:53:27,855 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 302 transitions. Word has length 160 [2020-09-24 15:53:27,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:27,856 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 302 transitions. [2020-09-24 15:53:27,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:53:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 302 transitions. [2020-09-24 15:53:27,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:53:27,862 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:27,863 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:27,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:53:27,863 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:27,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:27,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1672652917, now seen corresponding path program 1 times [2020-09-24 15:53:27,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:27,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836737082] [2020-09-24 15:53:27,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:27,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:27,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:27,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:27,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:27,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:53:27,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:27,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:53:27,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:53:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:27,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,280 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:28,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:28,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:28,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:28,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:28,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:28,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:28,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:28,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:28,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:53:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:28,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:53:28,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:53:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:28,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836737082] [2020-09-24 15:53:28,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:28,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:53:28,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882495783] [2020-09-24 15:53:28,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:53:28,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:28,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:53:28,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:53:28,554 INFO L87 Difference]: Start difference. First operand 277 states and 302 transitions. Second operand 5 states. [2020-09-24 15:53:29,226 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:30,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:30,237 INFO L93 Difference]: Finished difference Result 444 states and 499 transitions. [2020-09-24 15:53:30,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:53:30,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:53:30,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:30,248 INFO L225 Difference]: With dead ends: 444 [2020-09-24 15:53:30,248 INFO L226 Difference]: Without dead ends: 312 [2020-09-24 15:53:30,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:53:30,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-09-24 15:53:30,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 267. [2020-09-24 15:53:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-09-24 15:53:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 289 transitions. [2020-09-24 15:53:30,301 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 289 transitions. Word has length 161 [2020-09-24 15:53:30,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:30,301 INFO L479 AbstractCegarLoop]: Abstraction has 267 states and 289 transitions. [2020-09-24 15:53:30,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:53:30,302 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 289 transitions. [2020-09-24 15:53:30,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-24 15:53:30,304 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:30,305 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:30,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:53:30,305 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:30,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:30,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1733555081, now seen corresponding path program 1 times [2020-09-24 15:53:30,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:30,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252192473] [2020-09-24 15:53:30,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:30,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-24 15:53:30,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:30,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:53:30,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:53:30,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,844 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:30,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:30,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:30,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:53:30,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:30,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:30,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:30,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:30,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:30,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:30,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:30,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:30,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:30,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:30,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:30,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:30,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:30,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:30,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:30,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:30,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:31,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:31,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:31,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:31,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:31,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:31,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:31,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:31,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:31,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:31,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:31,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:31,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:31,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:31,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:53:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:31,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:31,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:31,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 15:53:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:31,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:31,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:31,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252192473] [2020-09-24 15:53:31,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:31,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:53:31,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330558118] [2020-09-24 15:53:31,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:53:31,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:31,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:53:31,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:53:31,115 INFO L87 Difference]: Start difference. First operand 267 states and 289 transitions. Second operand 5 states. [2020-09-24 15:53:31,787 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:32,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:32,700 INFO L93 Difference]: Finished difference Result 464 states and 525 transitions. [2020-09-24 15:53:32,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:53:32,700 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-09-24 15:53:32,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:32,704 INFO L225 Difference]: With dead ends: 464 [2020-09-24 15:53:32,704 INFO L226 Difference]: Without dead ends: 312 [2020-09-24 15:53:32,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:53:32,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-09-24 15:53:32,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 267. [2020-09-24 15:53:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-09-24 15:53:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 288 transitions. [2020-09-24 15:53:32,744 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 288 transitions. Word has length 170 [2020-09-24 15:53:32,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:32,745 INFO L479 AbstractCegarLoop]: Abstraction has 267 states and 288 transitions. [2020-09-24 15:53:32,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:53:32,745 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 288 transitions. [2020-09-24 15:53:32,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-24 15:53:32,748 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:32,748 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:32,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:53:32,749 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:32,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:32,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1907489057, now seen corresponding path program 1 times [2020-09-24 15:53:32,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:32,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074993004] [2020-09-24 15:53:32,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:32,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:32,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:32,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:32,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:32,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-24 15:53:32,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:32,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 15:53:32,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:53:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:53:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-24 15:53:32,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:33,241 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:33,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:33,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:33,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:33,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:53:33,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:33,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:33,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:33,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:33,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:33,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:33,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:33,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:33,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:33,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:33,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:33,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:33,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:33,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:33,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:33,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:33,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:33,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:33,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:33,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:33,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:33,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:33,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:33,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:33,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:33,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:33,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:33,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:33,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:33,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:33,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:53:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:53:33,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:33,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:53:33,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:53:33,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:33,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:53:33,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:33,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:53:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:53:33,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:33,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:33,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:33,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:33,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:33,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:33,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-24 15:53:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:33,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:33,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:33,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:33,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:33,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-24 15:53:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:33,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:33,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:33,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:33,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:33,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:33,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074993004] [2020-09-24 15:53:33,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:33,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:53:33,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931735277] [2020-09-24 15:53:33,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:53:33,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:33,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:53:33,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:53:33,690 INFO L87 Difference]: Start difference. First operand 267 states and 288 transitions. Second operand 8 states. [2020-09-24 15:53:34,248 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:36,126 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:36,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:36,756 INFO L93 Difference]: Finished difference Result 617 states and 706 transitions. [2020-09-24 15:53:36,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:53:36,757 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 183 [2020-09-24 15:53:36,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:36,763 INFO L225 Difference]: With dead ends: 617 [2020-09-24 15:53:36,763 INFO L226 Difference]: Without dead ends: 465 [2020-09-24 15:53:36,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:53:36,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-09-24 15:53:36,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 397. [2020-09-24 15:53:36,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-09-24 15:53:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 429 transitions. [2020-09-24 15:53:36,814 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 429 transitions. Word has length 183 [2020-09-24 15:53:36,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:36,814 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 429 transitions. [2020-09-24 15:53:36,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:53:36,814 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 429 transitions. [2020-09-24 15:53:36,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-24 15:53:36,817 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:36,817 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:36,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:53:36,818 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:36,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:36,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1733292252, now seen corresponding path program 1 times [2020-09-24 15:53:36,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:36,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327454620] [2020-09-24 15:53:36,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:36,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -87 [2020-09-24 15:53:36,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 87 [2020-09-24 15:53:36,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-24 15:53:36,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:36,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:36,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-24 15:53:36,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:36,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:37,228 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:37,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:37,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:37,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:37,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:37,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:37,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:37,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:37,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:37,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:37,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:37,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:37,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:37,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:37,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:37,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:37,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:37,357 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:37,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:37,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:37,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:37,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:37,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:37,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:37,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:37,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:37,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:37,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:37,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:37,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:37,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:37,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:37,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:37,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:37,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:37,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:37,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:37,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:37,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:37,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:37,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:37,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:37,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:37,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:37,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:37,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:37,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:37,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:37,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:37,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:37,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:37,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:37,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:37,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:37,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:37,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:37,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:37,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:37,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:37,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:37,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:37,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:37,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:37,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:37,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:37,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:37,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:37,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:37,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:37,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:37,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:37,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:37,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:37,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:37,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:37,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:37,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:37,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:37,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:37,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:37,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:37,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:37,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:37,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:37,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:37,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:37,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:37,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:37,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:37,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:37,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:37,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:37,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:37,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:37,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:37,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:37,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:37,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:37,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:37,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:37,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:37,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:37,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:53:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:37,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:37,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:37,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:37,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:37,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:53:37,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:37,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:37,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:37,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:37,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:53:37,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:37,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:37,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:37,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:37,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:37,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:37,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:37,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:53:37,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:37,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:37,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:37,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:37,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:37,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:37,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:37,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:37,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:37,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:37,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:37,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:37,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:37,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:37,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:37,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:53:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:37,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:37,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:37,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:37,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:37,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:37,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:37,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:37,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:37,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:37,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:37,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:37,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:37,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:37,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:37,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:37,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:37,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:37,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:37,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:37,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:37,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:37,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 15:53:37,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:37,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:37,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 15:53:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:37,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:37,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:37,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:37,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:37,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:37,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:37,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:37,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:37,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:37,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:53:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:37,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:37,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:37,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:37,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:37,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:37,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:37,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:37,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:37,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:37,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:37,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:37,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:37,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:37,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327454620] [2020-09-24 15:53:37,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:37,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:53:37,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083160382] [2020-09-24 15:53:37,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:53:37,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:37,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:53:37,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:53:37,578 INFO L87 Difference]: Start difference. First operand 397 states and 429 transitions. Second operand 9 states. [2020-09-24 15:53:38,849 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:39,168 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:39,520 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:39,840 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:40,127 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:41,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:41,125 INFO L93 Difference]: Finished difference Result 752 states and 856 transitions. [2020-09-24 15:53:41,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:53:41,127 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 207 [2020-09-24 15:53:41,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:41,131 INFO L225 Difference]: With dead ends: 752 [2020-09-24 15:53:41,131 INFO L226 Difference]: Without dead ends: 470 [2020-09-24 15:53:41,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:53:41,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-09-24 15:53:41,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 403. [2020-09-24 15:53:41,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-09-24 15:53:41,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 435 transitions. [2020-09-24 15:53:41,178 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 435 transitions. Word has length 207 [2020-09-24 15:53:41,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:41,179 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 435 transitions. [2020-09-24 15:53:41,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:53:41,179 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 435 transitions. [2020-09-24 15:53:41,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-24 15:53:41,181 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:41,182 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:41,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:53:41,182 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:41,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:41,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1587804868, now seen corresponding path program 1 times [2020-09-24 15:53:41,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:41,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32633869] [2020-09-24 15:53:41,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-24 15:53:41,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 15:53:41,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:53:41,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:53:41,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-09-24 15:53:41,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,671 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:41,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:41,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:41,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:53:41,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:41,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:41,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:41,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:41,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:41,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:41,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:41,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:41,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:41,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:41,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:41,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,817 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:53:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:53:41,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:41,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:41,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:53:41,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:41,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:41,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:41,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:53:41,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:41,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:41,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:41,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:41,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:41,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:41,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 15:53:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:41,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:53:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:41,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:41,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:42,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:53:42,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32633869] [2020-09-24 15:53:42,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:42,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:42,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952529222] [2020-09-24 15:53:42,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:42,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:42,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:42,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:42,027 INFO L87 Difference]: Start difference. First operand 403 states and 435 transitions. Second operand 10 states. [2020-09-24 15:53:42,558 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:43,360 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:43,652 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:44,856 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:45,152 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:45,492 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:45,978 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:46,287 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:46,576 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:47,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:47,209 INFO L93 Difference]: Finished difference Result 758 states and 854 transitions. [2020-09-24 15:53:47,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:53:47,210 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2020-09-24 15:53:47,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:47,214 INFO L225 Difference]: With dead ends: 758 [2020-09-24 15:53:47,215 INFO L226 Difference]: Without dead ends: 470 [2020-09-24 15:53:47,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:53:47,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-09-24 15:53:47,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 402. [2020-09-24 15:53:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-09-24 15:53:47,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 432 transitions. [2020-09-24 15:53:47,277 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 432 transitions. Word has length 207 [2020-09-24 15:53:47,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:47,278 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 432 transitions. [2020-09-24 15:53:47,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:47,279 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 432 transitions. [2020-09-24 15:53:47,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 15:53:47,316 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:47,316 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:47,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:53:47,316 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:47,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:47,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1381187112, now seen corresponding path program 1 times [2020-09-24 15:53:47,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:47,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581978066] [2020-09-24 15:53:47,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-24 15:53:47,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:53:47,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:47,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-09-24 15:53:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:47,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,691 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:47,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:47,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:47,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:47,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,744 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:47,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:47,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:47,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:47,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:47,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:53:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:53:47,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:47,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:47,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:53:47,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:47,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:53:47,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:47,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:47,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:53:47,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:47,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:47,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:47,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:53:47,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:47,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:47,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:53:47,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:53:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:53:47,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:47,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:53:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,950 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:47,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 15:53:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:47,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:47,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 15:53:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:47,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:47,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:48,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581978066] [2020-09-24 15:53:48,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:48,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:48,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959775573] [2020-09-24 15:53:48,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:48,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:48,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:48,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:48,021 INFO L87 Difference]: Start difference. First operand 402 states and 432 transitions. Second operand 10 states. [2020-09-24 15:53:49,346 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:49,648 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:49,970 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:50,320 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:50,663 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:50,984 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:51,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:51,996 INFO L93 Difference]: Finished difference Result 761 states and 860 transitions. [2020-09-24 15:53:51,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:53:51,997 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 230 [2020-09-24 15:53:51,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:52,000 INFO L225 Difference]: With dead ends: 761 [2020-09-24 15:53:52,000 INFO L226 Difference]: Without dead ends: 474 [2020-09-24 15:53:52,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:53:52,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-09-24 15:53:52,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 410. [2020-09-24 15:53:52,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-09-24 15:53:52,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 440 transitions. [2020-09-24 15:53:52,060 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 440 transitions. Word has length 230 [2020-09-24 15:53:52,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:52,060 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 440 transitions. [2020-09-24 15:53:52,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:52,060 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 440 transitions. [2020-09-24 15:53:52,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 15:53:52,062 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:52,063 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:52,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:53:52,063 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:52,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:52,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1518928507, now seen corresponding path program 1 times [2020-09-24 15:53:52,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:52,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1515239259] [2020-09-24 15:53:52,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-24 15:53:52,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:53:52,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:53:52,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:53:52,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-24 15:53:52,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,487 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:52,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:52,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:52,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:52,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:52,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:53:52,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:52,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:52,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:52,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:52,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:52,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:52,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:52,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:52,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:52,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:52,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:52,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:52,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:52,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:52,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:52,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:52,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:52,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:52,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:52,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:52,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:52,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:52,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:52,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:52,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:52,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:52,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:52,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:52,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:52,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:52,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:53:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:53:52,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:52,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:52,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:53:52,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:53:52,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,695 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:53:52,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:52,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:52,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:52,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:53:52,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:52,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:52,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:52,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:52,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:52,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:52,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:52,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:52,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:52,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:52,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:52,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:53:52,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:52,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:52,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:53:52,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:53:52,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:52,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:52,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:52,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:52,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:52,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:52,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:52,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:53:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:52,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:52,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:52,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:52,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:52,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 15:53:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:52,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:52,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:52,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:52,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:52,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 15:53:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:52,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:52,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:52,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:52,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:52,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:52,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:52,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:52,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:52,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:52,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:52,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:52,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:52,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1515239259] [2020-09-24 15:53:52,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:52,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:53:52,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617002008] [2020-09-24 15:53:52,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:53:52,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:52,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:53:52,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:53:52,870 INFO L87 Difference]: Start difference. First operand 410 states and 440 transitions. Second operand 7 states. [2020-09-24 15:53:53,451 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:54,136 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:56,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:56,498 INFO L93 Difference]: Finished difference Result 1017 states and 1172 transitions. [2020-09-24 15:53:56,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:53:56,500 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-09-24 15:53:56,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:56,505 INFO L225 Difference]: With dead ends: 1017 [2020-09-24 15:53:56,506 INFO L226 Difference]: Without dead ends: 722 [2020-09-24 15:53:56,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:53:56,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-09-24 15:53:56,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 653. [2020-09-24 15:53:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2020-09-24 15:53:56,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 720 transitions. [2020-09-24 15:53:56,595 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 720 transitions. Word has length 230 [2020-09-24 15:53:56,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:56,596 INFO L479 AbstractCegarLoop]: Abstraction has 653 states and 720 transitions. [2020-09-24 15:53:56,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:53:56,615 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 720 transitions. [2020-09-24 15:53:56,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-24 15:53:56,617 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:56,617 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:56,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:53:56,618 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:56,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:56,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1231012387, now seen corresponding path program 1 times [2020-09-24 15:53:56,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:56,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282029689] [2020-09-24 15:53:56,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:56,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:56,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -67 [2020-09-24 15:53:56,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 67 [2020-09-24 15:53:56,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:56,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-24 15:53:56,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:56,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 15:53:56,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:56,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:53:56,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:53:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-09-24 15:53:56,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,120 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:57,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:57,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:57,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:57,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:53:57,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:57,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:57,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:57,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:57,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:57,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:57,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:57,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:57,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:57,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:57,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:57,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:57,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:57,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:57,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:57,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:57,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:57,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:57,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:57,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:57,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:57,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:57,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:57,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:53:57,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:57,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:53:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:57,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:57,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:57,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:57,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:57,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:57,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:57,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:57,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:53:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:57,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:53:57,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:57,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:57,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:53:57,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:53:57,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:57,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:57,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:57,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:57,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:57,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:57,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:57,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:57,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:57,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:53:57,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:57,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:57,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:57,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:53:57,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:57,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:57,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:57,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:57,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:57,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:57,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:57,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:53:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:57,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:57,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:57,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:57,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 15:53:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:57,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:57,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:57,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:57,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:57,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:57,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 15:53:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:57,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:57,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:57,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:57,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:57,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:57,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:57,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:57,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:57,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282029689] [2020-09-24 15:53:57,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:57,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 15:53:57,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024927477] [2020-09-24 15:53:57,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:53:57,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:57,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:53:57,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:53:57,510 INFO L87 Difference]: Start difference. First operand 653 states and 720 transitions. Second operand 14 states. [2020-09-24 15:53:58,116 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:58,981 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:00,483 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:00,799 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:01,211 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:01,549 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:01,894 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:02,245 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:02,623 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:02,955 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:04,810 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:05,109 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:05,437 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:06,099 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:54:07,584 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-24 15:54:08,182 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-24 15:54:08,814 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:54:09,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:09,324 INFO L93 Difference]: Finished difference Result 1780 states and 2042 transitions. [2020-09-24 15:54:09,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-09-24 15:54:09,325 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 235 [2020-09-24 15:54:09,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:09,332 INFO L225 Difference]: With dead ends: 1780 [2020-09-24 15:54:09,333 INFO L226 Difference]: Without dead ends: 1345 [2020-09-24 15:54:09,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=583, Invalid=2173, Unknown=0, NotChecked=0, Total=2756 [2020-09-24 15:54:09,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-09-24 15:54:09,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1168. [2020-09-24 15:54:09,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1168 states. [2020-09-24 15:54:09,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1275 transitions. [2020-09-24 15:54:09,469 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1275 transitions. Word has length 235 [2020-09-24 15:54:09,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:09,469 INFO L479 AbstractCegarLoop]: Abstraction has 1168 states and 1275 transitions. [2020-09-24 15:54:09,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:54:09,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1275 transitions. [2020-09-24 15:54:09,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-09-24 15:54:09,472 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:09,473 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:09,473 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:54:09,473 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:09,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:09,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1034159388, now seen corresponding path program 1 times [2020-09-24 15:54:09,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:09,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372790014] [2020-09-24 15:54:09,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:09,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -140 [2020-09-24 15:54:09,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 140 [2020-09-24 15:54:09,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 392 [2020-09-24 15:54:09,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:54:09,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:54:09,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 245 [2020-09-24 15:54:09,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-24 15:54:09,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,877 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:09,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:09,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:09,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:09,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:09,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:09,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:09,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:09,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:09,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:09,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:09,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:09,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:09,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-24 15:54:09,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-24 15:54:09,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:10,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:10,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:54:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:54:10,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:10,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 15:54:10,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:54:10,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:10,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 15:54:10,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:10,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:10,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:10,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:54:10,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:54:10,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:10,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:10,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:54:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:10,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:10,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:54:10,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-24 15:54:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:54:10,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:10,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:54:10,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:10,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-24 15:54:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:10,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:10,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:10,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:10,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:10,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:10,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:10,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:54:10,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:54:10,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:10,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 15:54:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:10,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:10,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:54:10,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-09-24 15:54:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:10,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:54:10,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:10,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:10,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:10,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:10,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:10,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:54:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:54:10,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:10,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:10,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:10,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2020-09-24 15:54:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:10,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:10,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:10,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:10,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2020-09-24 15:54:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:10,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:10,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-24 15:54:10,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [372790014] [2020-09-24 15:54:10,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:54:10,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:54:10,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357203003] [2020-09-24 15:54:10,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:54:10,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:10,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:54:10,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:54:10,431 INFO L87 Difference]: Start difference. First operand 1168 states and 1275 transitions. Second operand 14 states. [2020-09-24 15:54:11,704 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:12,030 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:12,338 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:12,715 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:54:13,663 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:13,968 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:14,631 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:15,238 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:15,768 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:16,080 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:16,405 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:17,126 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190