/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_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:54:52,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:54:52,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:54:52,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:54:52,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:54:52,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:54:52,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:54:52,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:54:52,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:54:52,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:54:52,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:54:52,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:54:52,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:54:52,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:54:52,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:54:52,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:54:52,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:54:52,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:54:52,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:54:52,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:54:52,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:54:52,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:54:52,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:54:52,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:54:52,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:54:52,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:54:52,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:54:52,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:54:52,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:54:52,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:54:52,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:54:52,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:54:52,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:54:52,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:54:52,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:54:52,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:54:52,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:54:52,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:54:52,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:54:52,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:54:52,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:54:52,503 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 15:54:52,550 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:54:52,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:54:52,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:54:52,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:54:52,554 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:54:52,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:54:52,555 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:54:52,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:54:52,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:54:52,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:54:52,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:54:52,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:54:52,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:54:52,557 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:54:52,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:54:52,558 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:54:52,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:54:52,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:54:52,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:54:52,559 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:54:52,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:54:52,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:54:52,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:54:52,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:54:52,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:54:52,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:54:52,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:54:52,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:54:52,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:54:52,561 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 15:54:53,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:54:53,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:54:53,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:54:53,033 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:54:53,034 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:54:53,035 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-09-24 15:54:53,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee1e04ae3/d42b78f534e347c8a523f778751f81a0/FLAG2b9f8900b [2020-09-24 15:54:53,759 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:54:53,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-09-24 15:54:53,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee1e04ae3/d42b78f534e347c8a523f778751f81a0/FLAG2b9f8900b [2020-09-24 15:54:54,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee1e04ae3/d42b78f534e347c8a523f778751f81a0 [2020-09-24 15:54:54,035 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:54:54,041 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:54:54,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:54,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:54:54,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:54:54,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:54" (1/1) ... [2020-09-24 15:54:54,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:54, skipping insertion in model container [2020-09-24 15:54:54,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:54" (1/1) ... [2020-09-24 15:54:54,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:54:54,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:54:54,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:54,705 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:54:54,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:54,831 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:54:54,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:54 WrapperNode [2020-09-24 15:54:54,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:54,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:54:54,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:54:54,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:54:54,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:54" (1/1) ... [2020-09-24 15:54:54,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:54" (1/1) ... [2020-09-24 15:54:54,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:54" (1/1) ... [2020-09-24 15:54:54,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:54" (1/1) ... [2020-09-24 15:54:54,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:54" (1/1) ... [2020-09-24 15:54:54,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:54" (1/1) ... [2020-09-24 15:54:54,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:54" (1/1) ... [2020-09-24 15:54:54,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:54:54,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:54:54,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:54:54,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:54:54,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:54" (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 15:54:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:54:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:54:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:54:55,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:54:55,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:55,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:54:55,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:54:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:54:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:54:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:54:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:54:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:54:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:54:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:54:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:54:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:54:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:54:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:54:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:54:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:54:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:54:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:54:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:54:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:54:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:54:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:54:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:54:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:54:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:54:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:54:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:54:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:54:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:54:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:54:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:54:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:54:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:54:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:54:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:54:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:54:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:54:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:54:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:54:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:54:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:54:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:54:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:54:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:54:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:54:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:54:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:54:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:54:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:54:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:54:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:54:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:54:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:54:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:54:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:54:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:54:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:54:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:54:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:54:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:54:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:54:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:54:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:54:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:54:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:54:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:54:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:54:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:54:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:54:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:54:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:54:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:54:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:54:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:54:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:54:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:54:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:54:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:54:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:54:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:54:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:54:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:54:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:54:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:54:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:54:56,226 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:54:56,227 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:54:56,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:56 BoogieIcfgContainer [2020-09-24 15:54:56,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:54:56,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:54:56,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:54:56,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:54:56,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:54:54" (1/3) ... [2020-09-24 15:54:56,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1113a44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:56, skipping insertion in model container [2020-09-24 15:54:56,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:54" (2/3) ... [2020-09-24 15:54:56,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1113a44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:56, skipping insertion in model container [2020-09-24 15:54:56,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:56" (3/3) ... [2020-09-24 15:54:56,247 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2020-09-24 15:54:56,259 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:54:56,274 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:54:56,301 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:54:56,348 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:54:56,349 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:54:56,349 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:54:56,350 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:54:56,351 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:54:56,351 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:54:56,351 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:54:56,351 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:54:56,399 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states. [2020-09-24 15:54:56,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:54:56,441 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:56,443 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 15:54:56,443 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:56,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:56,452 INFO L82 PathProgramCache]: Analyzing trace with hash -593535945, now seen corresponding path program 1 times [2020-09-24 15:54:56,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:56,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798910270] [2020-09-24 15:54:56,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:56,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:56,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:56,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:56,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:56,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:54:56,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:56,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:54:56,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:54:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:56,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:57,404 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:57,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:57,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:57,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:57,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:57,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:57,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:57,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:57,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:57,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:57,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:57,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:57,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:57,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:57,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:57,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:57,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:57,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:57,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:57,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:57,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:57,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:57,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:57,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:57,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:57,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:57,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:57,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:57,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:57,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:57,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:57,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:57,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:57,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:57,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:57,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:57,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:57,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:57,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:57,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:57,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:57,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:57,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:57,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:57,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:57,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:57,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:57,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:57,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:57,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:57,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:57,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:57,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:57,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:57,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:57,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:57,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:57,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:57,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:57,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:57,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:57,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:57,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:57,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:57,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:57,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:57,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:57,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:57,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:57,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:57,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:57,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:57,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:57,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:57,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:54:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:57,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:57,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:57,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:57,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:57,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:57,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:57,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:57,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:57,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:57,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:57,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:57,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:57,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:57,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:57,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:57,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:57,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:57,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:57,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:57,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:57,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:57,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:57,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:54:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:57,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:57,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:57,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:57,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:57,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:57,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:57,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:57,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:57,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:57,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:57,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:57,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:57,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:54:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:57,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:57,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:57,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:57,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:57,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:57,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:57,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:57,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:57,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:57,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:57,670 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 15:54:57,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798910270] [2020-09-24 15:54:57,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:57,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:54:57,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13733326] [2020-09-24 15:54:57,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:54:57,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:57,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:54:57,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:54:57,701 INFO L87 Difference]: Start difference. First operand 363 states. Second operand 4 states. [2020-09-24 15:54:59,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:59,295 INFO L93 Difference]: Finished difference Result 589 states and 690 transitions. [2020-09-24 15:54:59,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:54:59,297 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:54:59,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:59,319 INFO L225 Difference]: With dead ends: 589 [2020-09-24 15:54:59,319 INFO L226 Difference]: Without dead ends: 362 [2020-09-24 15:54:59,326 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 15:54:59,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-09-24 15:54:59,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 312. [2020-09-24 15:54:59,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-09-24 15:54:59,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 342 transitions. [2020-09-24 15:54:59,443 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 342 transitions. Word has length 160 [2020-09-24 15:54:59,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:59,444 INFO L479 AbstractCegarLoop]: Abstraction has 312 states and 342 transitions. [2020-09-24 15:54:59,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:54:59,445 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 342 transitions. [2020-09-24 15:54:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:54:59,449 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:59,450 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 15:54:59,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:54:59,450 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:59,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:59,451 INFO L82 PathProgramCache]: Analyzing trace with hash 151672551, now seen corresponding path program 1 times [2020-09-24 15:54:59,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:59,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352607978] [2020-09-24 15:54:59,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:59,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:59,540 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:59,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:59,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:59,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:54:59,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:59,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:54:59,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:59,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:59,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:54:59,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:59,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:59,900 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:59,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:59,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:59,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:59,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:59,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:59,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:59,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:59,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:59,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:59,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:59,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:59,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:59,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:59,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:59,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:59,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:59,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:59,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:59,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:59,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:59,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:59,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:59,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:59,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:59,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:59,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:59,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:59,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:59,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:59,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:59,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:59,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:59,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:59,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:59,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:59,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:59,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:59,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:59,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:59,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:59,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:59,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:59,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:59,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:59,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:59,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:59,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:59,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:59,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:59,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:59,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:59,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:59,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:59,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:59,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:59,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:59,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:59,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:59,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:59,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:59,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:59,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:59,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:59,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:59,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:59,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:59,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:59,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:59,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:59,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:59,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:59,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:59,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:59,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:59,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:59,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:59,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:59,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:59,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:59,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:59,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:59,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:59,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:59,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:59,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:59,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:59,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:59,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:59,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:59,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:00,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:00,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:00,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:55:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:00,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:00,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:55:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:00,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:00,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:00,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:00,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,042 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 15:55:00,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352607978] [2020-09-24 15:55:00,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:00,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:55:00,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116559861] [2020-09-24 15:55:00,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:55:00,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:00,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:55:00,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:55:00,047 INFO L87 Difference]: Start difference. First operand 312 states and 342 transitions. Second operand 5 states. [2020-09-24 15:55:00,721 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:02,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:02,072 INFO L93 Difference]: Finished difference Result 514 states and 582 transitions. [2020-09-24 15:55:02,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:55:02,072 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:55:02,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:02,078 INFO L225 Difference]: With dead ends: 514 [2020-09-24 15:55:02,079 INFO L226 Difference]: Without dead ends: 351 [2020-09-24 15:55:02,081 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 15:55:02,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-09-24 15:55:02,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 302. [2020-09-24 15:55:02,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-09-24 15:55:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 329 transitions. [2020-09-24 15:55:02,132 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 329 transitions. Word has length 161 [2020-09-24 15:55:02,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:02,133 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 329 transitions. [2020-09-24 15:55:02,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:55:02,133 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 329 transitions. [2020-09-24 15:55:02,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-24 15:55:02,136 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:02,136 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] [2020-09-24 15:55:02,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:55:02,136 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:02,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:02,137 INFO L82 PathProgramCache]: Analyzing trace with hash 530344647, now seen corresponding path program 1 times [2020-09-24 15:55:02,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:02,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400429061] [2020-09-24 15:55:02,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:02,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:55:02,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:55:02,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:55:02,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:02,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 15:55:02,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:02,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:55:02,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:02,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:02,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:55:02,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:55:02,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:02,516 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:02,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:02,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:02,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:02,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:02,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:02,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:02,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:02,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:02,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:02,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:02,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:02,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:02,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:02,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:02,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:02,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:02,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:02,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:02,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:02,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:02,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:02,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:02,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:02,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:02,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:02,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:02,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:02,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:02,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:02,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:02,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:02,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:02,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:02,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:02,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:02,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:02,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:02,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:02,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:02,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:02,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:02,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:02,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:02,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:02,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:02,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:02,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:02,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:02,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:02,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:02,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:02,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:02,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:02,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:02,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:02,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:02,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:02,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:02,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:02,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:02,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:02,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:02,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:02,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:02,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:02,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:02,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:02,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:02,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:02,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:02,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:02,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:02,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:02,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:02,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:02,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:55:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:02,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:02,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:02,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:02,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:02,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:02,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:02,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:02,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:02,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:02,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:02,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:55:02,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:02,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:02,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:02,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:02,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:02,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:02,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:02,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:02,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:02,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:02,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:02,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:02,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:55:02,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:02,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:02,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:02,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:02,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:02,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:02,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:02,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:02,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:02,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:02,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:02,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:02,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:02,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:02,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-24 15:55:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:02,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:02,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:02,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:02,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:02,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:02,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:02,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:02,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:02,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:02,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:02,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:02,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:02,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-24 15:55:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:02,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:02,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:02,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:02,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:02,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:02,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:02,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:02,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:02,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:02,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:02,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:02,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:02,679 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 15:55:02,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400429061] [2020-09-24 15:55:02,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:02,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:55:02,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783129514] [2020-09-24 15:55:02,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:55:02,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:02,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:55:02,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:55:02,709 INFO L87 Difference]: Start difference. First operand 302 states and 329 transitions. Second operand 6 states. [2020-09-24 15:55:03,167 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:04,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:04,326 INFO L93 Difference]: Finished difference Result 561 states and 647 transitions. [2020-09-24 15:55:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:55:04,327 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-24 15:55:04,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:04,331 INFO L225 Difference]: With dead ends: 561 [2020-09-24 15:55:04,331 INFO L226 Difference]: Without dead ends: 374 [2020-09-24 15:55:04,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:55:04,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2020-09-24 15:55:04,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 302. [2020-09-24 15:55:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-09-24 15:55:04,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 328 transitions. [2020-09-24 15:55:04,381 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 328 transitions. Word has length 174 [2020-09-24 15:55:04,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:04,381 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 328 transitions. [2020-09-24 15:55:04,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:55:04,382 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 328 transitions. [2020-09-24 15:55:04,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-24 15:55:04,384 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:04,385 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] [2020-09-24 15:55:04,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:55:04,385 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:04,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:04,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1028091402, now seen corresponding path program 1 times [2020-09-24 15:55:04,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:04,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [348443764] [2020-09-24 15:55:04,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:04,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:04,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:04,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:04,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:04,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-09-24 15:55:04,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:04,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 15:55:04,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:55:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:55:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-24 15:55:04,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:04,901 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:04,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:04,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:04,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:04,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:04,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:04,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:04,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:04,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:04,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:04,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:04,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:04,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:55:04,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:05,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:05,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:05,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:55:05,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:05,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:05,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:05,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:05,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:05,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:05,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:05,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:05,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:05,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:05,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:05,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:05,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:55:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:05,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:05,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:05,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:05,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:05,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:55:05,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:05,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:05,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:05,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:55:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 15:55:05,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:55:05,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:55:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:55:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:55:05,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:05,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:55:05,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:55:05,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:55:05,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:55:05,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:55:05,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:05,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:55:05,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:55:05,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:55:05,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:55:05,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:55:05,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:05,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:05,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:05,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-24 15:55:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:05,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:05,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:05,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-24 15:55:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:05,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:05,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:05,328 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 15:55:05,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [348443764] [2020-09-24 15:55:05,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:05,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:55:05,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189094144] [2020-09-24 15:55:05,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:55:05,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:05,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:55:05,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:55:05,336 INFO L87 Difference]: Start difference. First operand 302 states and 328 transitions. Second operand 8 states. [2020-09-24 15:55:05,956 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:08,206 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:09,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:09,261 INFO L93 Difference]: Finished difference Result 769 states and 911 transitions. [2020-09-24 15:55:09,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:55:09,262 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 192 [2020-09-24 15:55:09,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:09,269 INFO L225 Difference]: With dead ends: 769 [2020-09-24 15:55:09,269 INFO L226 Difference]: Without dead ends: 582 [2020-09-24 15:55:09,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:55:09,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-09-24 15:55:09,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 444. [2020-09-24 15:55:09,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-09-24 15:55:09,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 479 transitions. [2020-09-24 15:55:09,368 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 479 transitions. Word has length 192 [2020-09-24 15:55:09,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:09,369 INFO L479 AbstractCegarLoop]: Abstraction has 444 states and 479 transitions. [2020-09-24 15:55:09,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:55:09,369 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 479 transitions. [2020-09-24 15:55:09,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-24 15:55:09,372 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:09,373 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] [2020-09-24 15:55:09,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:55:09,373 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:09,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:09,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1796704782, now seen corresponding path program 1 times [2020-09-24 15:55:09,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:09,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842259770] [2020-09-24 15:55:09,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:09,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:09,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:09,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:09,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:09,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-24 15:55:09,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:09,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 15:55:09,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:55:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:55:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-09-24 15:55:09,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:09,904 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:09,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:09,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:09,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:09,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:09,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:09,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:09,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:09,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:09,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:55:09,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:10,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:10,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:10,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:10,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:10,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:10,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,020 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:10,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:10,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:10,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:10,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:10,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:10,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:10,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:10,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:10,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:10,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:10,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:10,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:10,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:10,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:10,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:10,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:10,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:10,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:55:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:10,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:10,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:10,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:10,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:10,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:10,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:10,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:55:10,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:10,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:10,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:10,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:10,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:10,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:10,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:55:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:55:10,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:10,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:10,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 15:55:10,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:10,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:55:10,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:10,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:10,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:55:10,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:10,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:55:10,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:10,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:10,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:55:10,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:10,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:10,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:10,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:10,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:55:10,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:10,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:10,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:10,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:10,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:10,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:10,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:10,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:10,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:10,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:10,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:10,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 15:55:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:10,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:10,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:10,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:10,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:10,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-24 15:55:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:10,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:10,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:10,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:10,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:10,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:10,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:10,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:55:10,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:10,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:10,366 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 15:55:10,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [842259770] [2020-09-24 15:55:10,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:10,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:55:10,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119704220] [2020-09-24 15:55:10,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:55:10,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:10,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:55:10,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:55:10,370 INFO L87 Difference]: Start difference. First operand 444 states and 479 transitions. Second operand 11 states. [2020-09-24 15:55:11,062 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:12,018 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:55:12,592 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-24 15:55:14,038 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:14,352 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:55:14,696 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:15,305 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:55:15,606 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:55:15,895 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:55:16,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:16,827 INFO L93 Difference]: Finished difference Result 910 states and 1054 transitions. [2020-09-24 15:55:16,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 15:55:16,828 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 216 [2020-09-24 15:55:16,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:16,836 INFO L225 Difference]: With dead ends: 910 [2020-09-24 15:55:16,836 INFO L226 Difference]: Without dead ends: 581 [2020-09-24 15:55:16,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-09-24 15:55:16,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-09-24 15:55:16,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 443. [2020-09-24 15:55:16,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-09-24 15:55:16,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 476 transitions. [2020-09-24 15:55:16,926 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 476 transitions. Word has length 216 [2020-09-24 15:55:16,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:16,926 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 476 transitions. [2020-09-24 15:55:16,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:55:16,927 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 476 transitions. [2020-09-24 15:55:16,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-24 15:55:16,930 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:16,930 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, 1, 1, 1, 1] [2020-09-24 15:55:16,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:55:16,931 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:16,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:16,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1088421938, now seen corresponding path program 1 times [2020-09-24 15:55:16,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:16,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81649205] [2020-09-24 15:55:16,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:16,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:16,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:16,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:16,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:16,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-24 15:55:16,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:16,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:55:17,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:55:17,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-09-24 15:55:17,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:55:17,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,302 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:17,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:17,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:17,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:17,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:17,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,358 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:17,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:17,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:17,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:17,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:17,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:55:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:17,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:17,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:17,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:17,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:55:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:17,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:55:17,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:55:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:55:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:55:17,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:55:17,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:55:17,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:55:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:55:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:55:17,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:55:17,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:55:17,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:55:17,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:55:17,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:55:17,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:17,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:55:17,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:17,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:55:17,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:17,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:55:17,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:55:17,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:17,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:17,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:55:17,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:55:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:17,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:55:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:17,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:17,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 15:55:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:17,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:17,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,688 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 15:55:17,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81649205] [2020-09-24 15:55:17,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:17,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:55:17,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553214234] [2020-09-24 15:55:17,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:55:17,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:17,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:55:17,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:55:17,693 INFO L87 Difference]: Start difference. First operand 443 states and 476 transitions. Second operand 11 states. [2020-09-24 15:55:19,296 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:19,607 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:19,919 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:55:20,236 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:20,565 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:20,862 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:22,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:22,473 INFO L93 Difference]: Finished difference Result 913 states and 1065 transitions. [2020-09-24 15:55:22,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:55:22,474 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2020-09-24 15:55:22,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:22,480 INFO L225 Difference]: With dead ends: 913 [2020-09-24 15:55:22,480 INFO L226 Difference]: Without dead ends: 585 [2020-09-24 15:55:22,482 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:55:22,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-09-24 15:55:22,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 451. [2020-09-24 15:55:22,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2020-09-24 15:55:22,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 484 transitions. [2020-09-24 15:55:22,548 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 484 transitions. Word has length 239 [2020-09-24 15:55:22,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:22,549 INFO L479 AbstractCegarLoop]: Abstraction has 451 states and 484 transitions. [2020-09-24 15:55:22,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:55:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 484 transitions. [2020-09-24 15:55:22,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-24 15:55:22,553 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:22,553 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, 1, 1, 1, 1] [2020-09-24 15:55:22,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:55:22,553 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:22,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:22,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1452382062, now seen corresponding path program 1 times [2020-09-24 15:55:22,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:22,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [865800713] [2020-09-24 15:55:22,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:22,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:55:22,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -98 [2020-09-24 15:55:22,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 98 [2020-09-24 15:55:22,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:22,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-24 15:55:22,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:22,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:55:22,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:22,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:22,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-09-24 15:55:22,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:55:22,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:22,889 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:22,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:22,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:22,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:22,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:22,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:22,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:22,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:22,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:22,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:22,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:22,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:22,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:22,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:22,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:22,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:22,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:22,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:22,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:22,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:22,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:22,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:22,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:22,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:22,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:22,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:22,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:22,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:22,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:22,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:22,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:22,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:22,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:22,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:22,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:22,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:22,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:22,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:22,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:22,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:22,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:22,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:22,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:22,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:22,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:22,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:22,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:22,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:22,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:22,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:22,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:22,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:22,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:22,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:22,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:22,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:22,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:22,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:22,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:22,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:22,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:22,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:22,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:22,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:22,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:22,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:22,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:22,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:22,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:22,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:22,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:22,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:22,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:22,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:22,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:22,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:22,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:22,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:22,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:22,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:55:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:22,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:22,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:22,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:22,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:22,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:22,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:22,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:22,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:22,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:22,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:22,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:22,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:22,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:22,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:22,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:22,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:22,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:22,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:22,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:22,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:22,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:22,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:22,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:22,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:22,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:22,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:22,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:22,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:22,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:22,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:22,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:22,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:22,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:22,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:22,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:22,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:55:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:23,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:23,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:23,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:23,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:23,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:23,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:23,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:55:23,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:23,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:23,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:55:23,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:55:23,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:23,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:23,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:23,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:23,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:23,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:23,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:55:23,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:23,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:55:23,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:55:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:55:23,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:23,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:23,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:23,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:23,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:23,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:23,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:55:23,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:23,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:55:23,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:23,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:23,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:55:23,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:55:23,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:23,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:23,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:23,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:23,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:23,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:23,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:23,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:55:23,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:55:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:55:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:23,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:23,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:23,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:23,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:23,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:23,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:23,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:23,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:55:23,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:23,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:55:23,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:23,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:23,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:23,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:23,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:23,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:23,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:23,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:23,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:55:23,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:23,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:23,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:23,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:23,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:55:23,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:23,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:23,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:23,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:23,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:23,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:23,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:23,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:23,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:23,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:23,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:23,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:23,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:23,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:23,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:23,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:23,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:23,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:23,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:23,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:23,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:23,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:23,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:23,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:23,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:23,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:55:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:23,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:23,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:23,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:23,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:23,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:23,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:23,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:23,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:23,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:23,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:23,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:23,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:23,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:55:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:23,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:23,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:23,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:23,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:23,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:23,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:23,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:23,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:23,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:23,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:23,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 15:55:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:23,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:23,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:23,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:23,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:23,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:23,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:23,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:23,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:23,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:23,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:23,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:23,240 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 15:55:23,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [865800713] [2020-09-24 15:55:23,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:23,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:55:23,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543455448] [2020-09-24 15:55:23,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:55:23,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:23,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:55:23,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:55:23,245 INFO L87 Difference]: Start difference. First operand 451 states and 484 transitions. Second operand 10 states. [2020-09-24 15:55:24,683 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:24,955 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:25,229 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:25,544 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:25,849 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:27,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:27,410 INFO L93 Difference]: Finished difference Result 930 states and 1083 transitions. [2020-09-24 15:55:27,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:55:27,415 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 239 [2020-09-24 15:55:27,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:27,419 INFO L225 Difference]: With dead ends: 930 [2020-09-24 15:55:27,420 INFO L226 Difference]: Without dead ends: 594 [2020-09-24 15:55:27,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:55:27,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-09-24 15:55:27,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 457. [2020-09-24 15:55:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-09-24 15:55:27,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 490 transitions. [2020-09-24 15:55:27,475 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 490 transitions. Word has length 239 [2020-09-24 15:55:27,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:27,475 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 490 transitions. [2020-09-24 15:55:27,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:55:27,476 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 490 transitions. [2020-09-24 15:55:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-24 15:55:27,481 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:27,482 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, 1, 1, 1, 1] [2020-09-24 15:55:27,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:55:27,482 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:27,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:27,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1511087183, now seen corresponding path program 1 times [2020-09-24 15:55:27,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:27,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365947875] [2020-09-24 15:55:27,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:27,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:27,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:27,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:27,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:27,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-24 15:55:27,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:27,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:55:27,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:27,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:55:27,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:55:27,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-24 15:55:27,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:27,991 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:27,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:28,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:28,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:55:28,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:28,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:28,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:28,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:28,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:28,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:28,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:28,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:28,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:28,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:28,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:28,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:28,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:28,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:28,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:28,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:28,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:28,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:28,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:55:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:28,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:28,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:28,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:28,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:28,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:28,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:55:28,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:28,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:28,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:28,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:28,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:55:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:28,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:28,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 15:55:28,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 15:55:28,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:28,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:55:28,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:55:28,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:28,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:55:28,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:28,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:55:28,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:28,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:28,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:28,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:55:28,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:28,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:28,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:28,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:28,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:55:28,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:28,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:55:28,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:28,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:28,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:55:28,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:28,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:28,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:28,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:28,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:28,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:28,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:28,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:28,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:55:28,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:55:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:28,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:28,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:28,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:28,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:55:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:28,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:28,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:28,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:28,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:28,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 15:55:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:28,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:28,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:28,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:28,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:28,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:28,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:28,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:28,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:28,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:28,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:28,468 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 15:55:28,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [365947875] [2020-09-24 15:55:28,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:28,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:55:28,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790143537] [2020-09-24 15:55:28,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:55:28,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:28,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:55:28,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:55:28,472 INFO L87 Difference]: Start difference. First operand 457 states and 490 transitions. Second operand 8 states. [2020-09-24 15:55:29,090 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:29,778 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:33,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:33,262 INFO L93 Difference]: Finished difference Result 1271 states and 1519 transitions. [2020-09-24 15:55:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 15:55:33,263 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2020-09-24 15:55:33,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:33,268 INFO L225 Difference]: With dead ends: 1271 [2020-09-24 15:55:33,268 INFO L226 Difference]: Without dead ends: 929 [2020-09-24 15:55:33,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:55:33,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2020-09-24 15:55:33,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 722. [2020-09-24 15:55:33,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-09-24 15:55:33,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 794 transitions. [2020-09-24 15:55:33,357 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 794 transitions. Word has length 239 [2020-09-24 15:55:33,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:33,358 INFO L479 AbstractCegarLoop]: Abstraction has 722 states and 794 transitions. [2020-09-24 15:55:33,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:55:33,358 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 794 transitions. [2020-09-24 15:55:33,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-24 15:55:33,361 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:33,361 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:55:33,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:55:33,361 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:33,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:33,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1367745327, now seen corresponding path program 1 times [2020-09-24 15:55:33,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:33,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847168432] [2020-09-24 15:55:33,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:33,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:55:33,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -71 [2020-09-24 15:55:33,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 71 [2020-09-24 15:55:33,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:33,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-09-24 15:55:33,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:33,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-24 15:55:33,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:33,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:55:33,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:55:33,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 203 [2020-09-24 15:55:33,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:33,873 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:33,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:33,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:33,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:33,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:33,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:33,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:33,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:33,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:33,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:33,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:33,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:33,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:55:33,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:33,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:33,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:33,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:33,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:33,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:33,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:33,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:33,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:33,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:33,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:33,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:33,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:33,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:33,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:33,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:33,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:33,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:33,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:33,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:33,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:33,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:33,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:33,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:33,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:33,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:33,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:33,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:33,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:33,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:33,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:33,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:33,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:33,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:33,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:33,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:33,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:33,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:33,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:33,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:33,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:33,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:33,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:33,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:33,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:33,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:33,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:33,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:33,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:33,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:33,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:33,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:33,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:33,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:33,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:33,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:33,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:33,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:33,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:33,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:33,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:33,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:33,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:33,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:33,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:33,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:55:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:34,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:55:34,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:34,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:34,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:34,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:34,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:34,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:55:34,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:34,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:34,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:55:34,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:55:34,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:34,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:34,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:34,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:34,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:34,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:34,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:34,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:34,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:34,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:34,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:34,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:34,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:55:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:34,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:34,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:34,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:34,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:34,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:34,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:34,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:34,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:34,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:34,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:55:34,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:34,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:34,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:34,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:34,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:34,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:34,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:34,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:34,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:34,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:34,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:55:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:34,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:55:34,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:34,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:34,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:34,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:34,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:34,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:34,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-24 15:55:34,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:34,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:34,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:34,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:34,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:34,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:55:34,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:34,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:34,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:34,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:34,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:34,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:34,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:34,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:34,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:34,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:34,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:34,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:55:34,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:34,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:34,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:34,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:34,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:34,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:34,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:34,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:34,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:34,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:34,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:34,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:34,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:34,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:34,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:34,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:34,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:34,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:34,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:34,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:34,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:34,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:34,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:34,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:34,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:34,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:34,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:34,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:34,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:34,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:55:34,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:34,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:34,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:34,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:34,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:34,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:34,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:34,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:34,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:34,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:34,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:34,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:34,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:34,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:34,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:34,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:34,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:34,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:34,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:34,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:34,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:34,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:34,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:34,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:34,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:34,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:34,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:34,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:34,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:55:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:34,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:34,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:34,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:34,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:34,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:34,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:34,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:34,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:34,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:34,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:34,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:34,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 15:55:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:34,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:34,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:34,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:34,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:34,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:34,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:34,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:55:34,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:34,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:34,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:34,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:34,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-24 15:55:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:34,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:34,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:34,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:34,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:34,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:34,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:34,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:34,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:34,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:34,323 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 15:55:34,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [847168432] [2020-09-24 15:55:34,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:34,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 15:55:34,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236459249] [2020-09-24 15:55:34,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:55:34,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:34,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:55:34,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:55:34,325 INFO L87 Difference]: Start difference. First operand 722 states and 794 transitions. Second operand 15 states. [2020-09-24 15:55:34,951 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:35,901 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:37,691 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:55:38,014 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:55:38,406 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:38,756 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:55:39,117 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:39,472 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:39,856 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:55:40,198 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:42,490 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:42,793 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:55:43,201 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:43,913 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:55:45,403 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-24 15:55:46,027 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-24 15:55:46,836 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:55:48,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:48,060 INFO L93 Difference]: Finished difference Result 2268 states and 2699 transitions. [2020-09-24 15:55:48,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-09-24 15:55:48,061 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 244 [2020-09-24 15:55:48,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:48,071 INFO L225 Difference]: With dead ends: 2268 [2020-09-24 15:55:48,071 INFO L226 Difference]: Without dead ends: 1773 [2020-09-24 15:55:48,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1125 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=797, Invalid=2985, Unknown=0, NotChecked=0, Total=3782 [2020-09-24 15:55:48,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1773 states. [2020-09-24 15:55:48,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1773 to 1329. [2020-09-24 15:55:48,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1329 states. [2020-09-24 15:55:48,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1447 transitions. [2020-09-24 15:55:48,274 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1447 transitions. Word has length 244 [2020-09-24 15:55:48,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:48,275 INFO L479 AbstractCegarLoop]: Abstraction has 1329 states and 1447 transitions. [2020-09-24 15:55:48,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:55:48,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1447 transitions. [2020-09-24 15:55:48,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-09-24 15:55:48,279 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:48,279 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, 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, 1, 1, 1, 1, 1, 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 15:55:48,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:55:48,280 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:48,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:48,280 INFO L82 PathProgramCache]: Analyzing trace with hash 253248570, now seen corresponding path program 1 times [2020-09-24 15:55:48,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:48,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1084772504] [2020-09-24 15:55:48,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:55:48,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -151 [2020-09-24 15:55:48,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 151 [2020-09-24 15:55:48,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 445 [2020-09-24 15:55:48,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:55:48,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:55:48,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 256 [2020-09-24 15:55:48,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-09-24 15:55:48,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,701 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:48,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:48,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:48,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:48,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:48,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:48,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:48,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:48,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:48,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:55:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:48,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:48,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:48,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:55:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-09-24 15:55:48,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:48,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:48,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-24 15:55:48,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:48,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:48,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:48,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:55:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:48,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-24 15:55:48,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:55:48,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:48,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:48,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 15:55:48,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:48,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:55:48,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 15:55:48,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:48,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:48,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:48,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:55:48,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:48,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:48,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:55:48,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:48,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:48,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:48,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:55:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:49,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:49,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:49,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:55:49,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:49,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-24 15:55:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:55:49,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:49,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:55:49,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:49,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:49,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:49,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:49,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:49,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:49,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-24 15:55:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:49,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:49,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:49,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:49,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:49,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 15:55:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:49,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:55:49,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:55:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:55:49,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:49,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:49,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:49,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:55:49,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:55:49,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:49,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-24 15:55:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:49,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:49,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:55:49,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:49,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-09-24 15:55:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:55:49,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:49,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:55:49,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:49,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:49,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:49,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:49,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:49,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:49,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:49,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:49,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:49,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:49,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:49,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:55:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 15:55:49,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:49,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:49,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:49,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:49,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 15:55:49,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:49,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:49,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:49,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:49,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:49,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:49,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:49,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:49,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:55:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:55:49,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:49,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:49,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:49,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:49,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:49,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:49,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:49,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:49,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2020-09-24 15:55:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:49,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:49,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:49,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:49,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:49,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-09-24 15:55:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:49,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:49,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:49,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:49,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:49,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:49,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:49,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:49,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:49,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:49,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:49,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:49,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:49,365 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 34 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-09-24 15:55:49,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1084772504] [2020-09-24 15:55:49,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:55:49,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:55:49,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406028113] [2020-09-24 15:55:49,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:55:49,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:49,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:55:49,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:55:49,368 INFO L87 Difference]: Start difference. First operand 1329 states and 1447 transitions. Second operand 15 states.