/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_spec2_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:44:54,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:44:54,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:44:54,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:44:54,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:44:54,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:44:54,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:44:54,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:44:54,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:44:54,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:44:54,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:44:54,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:44:54,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:44:54,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:44:54,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:44:54,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:44:54,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:44:54,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:44:54,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:44:54,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:44:54,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:44:54,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:44:54,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:44:54,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:44:54,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:44:54,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:44:54,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:44:54,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:44:54,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:44:54,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:44:54,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:44:54,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:44:54,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:44:54,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:44:54,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:44:54,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:44:54,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:44:54,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:44:54,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:44:54,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:44:54,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:44:54,461 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 15:44:54,486 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:44:54,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:44:54,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:44:54,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:44:54,488 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:44:54,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:44:54,489 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:44:54,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:44:54,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:44:54,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:44:54,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:44:54,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:44:54,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:44:54,490 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:44:54,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:44:54,491 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:44:54,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:44:54,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:44:54,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:44:54,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:44:54,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:44:54,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:44:54,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:44:54,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:44:54,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:44:54,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:44:54,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:44:54,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:44:54,493 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:44:54,494 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 15:44:54,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:44:54,992 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:44:54,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:44:54,999 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:44:55,000 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:44:55,001 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c [2020-09-24 15:44:55,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/438a474de/a291f4f821e7451cbbe57097064c5bb6/FLAG4a5d2fd53 [2020-09-24 15:44:55,632 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:44:55,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c [2020-09-24 15:44:55,649 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/438a474de/a291f4f821e7451cbbe57097064c5bb6/FLAG4a5d2fd53 [2020-09-24 15:44:55,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/438a474de/a291f4f821e7451cbbe57097064c5bb6 [2020-09-24 15:44:55,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:44:55,943 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:44:55,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:44:55,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:44:55,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:44:55,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:44:55" (1/1) ... [2020-09-24 15:44:55,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783810f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:55, skipping insertion in model container [2020-09-24 15:44:55,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:44:55" (1/1) ... [2020-09-24 15:44:55,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:44:56,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:44:56,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:44:56,567 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:44:56,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:44:56,681 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:44:56,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56 WrapperNode [2020-09-24 15:44:56,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:44:56,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:44:56,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:44:56,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:44:56,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (1/1) ... [2020-09-24 15:44:56,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (1/1) ... [2020-09-24 15:44:56,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (1/1) ... [2020-09-24 15:44:56,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (1/1) ... [2020-09-24 15:44:56,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (1/1) ... [2020-09-24 15:44:56,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (1/1) ... [2020-09-24 15:44:56,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (1/1) ... [2020-09-24 15:44:56,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:44:56,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:44:56,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:44:56,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:44:56,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (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 15:44:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:44:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:44:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:44:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:44:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:44:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:44:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:44:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:44:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:44:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:44:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:44:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:44:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:44:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:44:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:44:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:44:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:44:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:44:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:44:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:44:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:44:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:44:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:44:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:44:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:44:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:44:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:44:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:44:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:44:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:44:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:44:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:44:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:44:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:44:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:44:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:44:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:44:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:44:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:44:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:44:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:44:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:44:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:44:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:44:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:44:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:44:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:44:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:44:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:44:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:44:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:44:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:44:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:44:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:44:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:44:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:44:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:44:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:44:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:44:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:44:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:44:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:44:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:44:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:44:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:44:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:44:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:44:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:44:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:44:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:44:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:44:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:44:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:44:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:44:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:44:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:44:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:44:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:44:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:44:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:44:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:44:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:44:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:44:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:44:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:44:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:44:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:44:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:44:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:44:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:44:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:44:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:44:57,968 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:44:57,969 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:44:57,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:44:57 BoogieIcfgContainer [2020-09-24 15:44:57,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:44:57,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:44:57,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:44:57,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:44:57,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:44:55" (1/3) ... [2020-09-24 15:44:57,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c90ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:44:57, skipping insertion in model container [2020-09-24 15:44:57,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (2/3) ... [2020-09-24 15:44:57,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c90ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:44:57, skipping insertion in model container [2020-09-24 15:44:57,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:44:57" (3/3) ... [2020-09-24 15:44:57,985 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product41.cil.c [2020-09-24 15:44:57,996 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:44:58,007 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:44:58,028 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:44:58,060 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:44:58,061 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:44:58,061 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:44:58,061 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:44:58,061 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:44:58,061 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:44:58,061 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:44:58,062 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:44:58,090 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-09-24 15:44:58,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 15:44:58,106 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:44:58,108 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:58,108 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:44:58,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:44:58,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1518186743, now seen corresponding path program 1 times [2020-09-24 15:44:58,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:44:58,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [227613461] [2020-09-24 15:44:58,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:44:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:58,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:58,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:58,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:58,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:58,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:44:58,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:58,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:44:58,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:44:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:58,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:59,006 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:44:59,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:44:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:44:59,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:59,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:59,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:59,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:59,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:59,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:44:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:59,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:44:59,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:59,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:59,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:59,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:59,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:44:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:59,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:44:59,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:59,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:59,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:59,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 15:44:59,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:44:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:59,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:59,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:59,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:59,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:44:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:59,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:59,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:59,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:59,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:59,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:44:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:44:59,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:59,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:59,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:59,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:59,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:44:59,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:44:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:59,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:59,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:59,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:59,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:59,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:59,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:44:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:59,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:59,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:59,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:59,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:59,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:59,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:59,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:59,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:59,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:59,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:59,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:59,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:59,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:44:59,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [227613461] [2020-09-24 15:44:59,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:44:59,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:44:59,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517830780] [2020-09-24 15:44:59,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:44:59,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:44:59,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:44:59,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:44:59,291 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 4 states. [2020-09-24 15:45:00,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:00,487 INFO L93 Difference]: Finished difference Result 468 states and 552 transitions. [2020-09-24 15:45:00,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:45:00,490 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 15:45:00,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:00,524 INFO L225 Difference]: With dead ends: 468 [2020-09-24 15:45:00,524 INFO L226 Difference]: Without dead ends: 300 [2020-09-24 15:45:00,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 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 15:45:00,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-09-24 15:45:00,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 253. [2020-09-24 15:45:00,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-09-24 15:45:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 274 transitions. [2020-09-24 15:45:00,640 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 274 transitions. Word has length 148 [2020-09-24 15:45:00,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:00,641 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 274 transitions. [2020-09-24 15:45:00,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:45:00,641 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 274 transitions. [2020-09-24 15:45:00,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 15:45:00,646 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:00,646 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:00,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:45:00,647 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:00,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:00,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1991313851, now seen corresponding path program 1 times [2020-09-24 15:45:00,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:00,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662998404] [2020-09-24 15:45:00,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:00,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:00,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:00,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:00,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:00,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 15:45:00,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:00,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:45:00,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:45:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:00,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:01,087 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:01,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:01,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:01,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:01,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:01,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:01,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:01,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:01,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:01,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:01,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:01,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:01,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:01,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:01,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:01,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:01,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:01,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:01,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:01,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:01,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:01,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:01,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:01,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:01,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:01,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:01,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:01,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:01,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:01,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:01,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:01,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:01,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:01,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:01,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:01,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:01,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:01,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:01,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:01,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:01,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:01,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:01,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:01,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:01,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:01,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:01,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:01,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:01,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:01,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:01,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:01,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:01,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:01,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:01,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:01,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:01,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:01,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:01,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:01,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:01,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:01,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:01,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:01,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:01,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:01,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:01,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:01,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:01,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:01,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:01,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:01,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:01,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 15:45:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:01,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:01,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:01,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:01,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:01,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:01,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:01,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:01,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:01,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:01,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:01,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:45:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:01,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:01,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:01,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:01,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:01,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:01,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:01,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:01,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:01,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:01,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:01,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:01,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:01,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:01,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662998404] [2020-09-24 15:45:01,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:01,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:45:01,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635882017] [2020-09-24 15:45:01,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:45:01,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:01,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:45:01,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:45:01,259 INFO L87 Difference]: Start difference. First operand 253 states and 274 transitions. Second operand 5 states. [2020-09-24 15:45:01,982 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:02,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:02,957 INFO L93 Difference]: Finished difference Result 397 states and 447 transitions. [2020-09-24 15:45:02,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:45:02,958 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 15:45:02,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:02,963 INFO L225 Difference]: With dead ends: 397 [2020-09-24 15:45:02,963 INFO L226 Difference]: Without dead ends: 289 [2020-09-24 15:45:02,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 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 15:45:02,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-09-24 15:45:03,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 243. [2020-09-24 15:45:03,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-24 15:45:03,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 261 transitions. [2020-09-24 15:45:03,006 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 261 transitions. Word has length 149 [2020-09-24 15:45:03,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:03,007 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 261 transitions. [2020-09-24 15:45:03,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:45:03,007 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 261 transitions. [2020-09-24 15:45:03,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-24 15:45:03,010 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:03,010 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:03,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:45:03,010 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:03,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:03,011 INFO L82 PathProgramCache]: Analyzing trace with hash 263225803, now seen corresponding path program 1 times [2020-09-24 15:45:03,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:03,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745771942] [2020-09-24 15:45:03,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:03,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-24 15:45:03,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:03,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:03,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:45:03,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:45:03,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,428 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:03,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:03,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:03,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:45:03,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:03,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:03,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:03,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:03,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:03,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:03,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:03,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:03,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:03,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:03,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:03,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:03,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:03,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:45:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:03,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:03,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-24 15:45:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:03,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:03,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:03,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745771942] [2020-09-24 15:45:03,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:03,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:45:03,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282518797] [2020-09-24 15:45:03,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:45:03,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:03,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:45:03,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:45:03,654 INFO L87 Difference]: Start difference. First operand 243 states and 261 transitions. Second operand 5 states. [2020-09-24 15:45:04,321 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:05,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:05,117 INFO L93 Difference]: Finished difference Result 417 states and 473 transitions. [2020-09-24 15:45:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:45:05,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-09-24 15:45:05,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:05,122 INFO L225 Difference]: With dead ends: 417 [2020-09-24 15:45:05,123 INFO L226 Difference]: Without dead ends: 289 [2020-09-24 15:45:05,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 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 15:45:05,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-09-24 15:45:05,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 243. [2020-09-24 15:45:05,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-24 15:45:05,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 260 transitions. [2020-09-24 15:45:05,162 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 260 transitions. Word has length 158 [2020-09-24 15:45:05,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:05,162 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 260 transitions. [2020-09-24 15:45:05,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:45:05,163 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 260 transitions. [2020-09-24 15:45:05,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:45:05,165 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:05,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:05,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:45:05,166 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:05,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:05,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1554497374, now seen corresponding path program 1 times [2020-09-24 15:45:05,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:05,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004851926] [2020-09-24 15:45:05,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:05,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:05,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:05,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:05,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:05,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-24 15:45:05,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:05,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:45:05,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:05,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:45:05,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:45:05,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:45:05,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:05,625 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:05,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:05,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:05,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:05,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:05,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:05,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:05,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:05,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:05,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:05,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:05,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:45:05,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:05,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:05,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:05,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:05,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:05,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:05,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:05,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:05,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:05,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:05,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:05,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:05,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:05,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:05,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:05,744 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:05,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:05,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:05,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:05,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:05,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:05,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:05,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:05,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:05,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:05,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:05,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:05,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:05,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:05,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:05,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:05,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:05,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:05,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:05,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:05,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:05,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:05,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:05,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:05,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:05,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:05,761 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:05,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:05,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:05,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:05,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:05,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:05,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:05,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:05,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:05,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:05,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:05,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:05,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:05,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:05,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:05,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:05,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:05,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:05,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:05,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:45:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:05,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:05,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:05,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:05,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:05,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:45:05,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:05,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:05,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:05,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:05,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:45:05,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:45:05,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:05,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:05,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:05,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:05,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:05,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:05,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:05,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:05,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:05,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:05,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:05,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:05,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:05,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:05,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:45:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:05,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:05,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:05,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:05,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:05,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:05,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:05,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:05,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:05,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:05,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:05,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:05,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:05,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:45:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:05,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:05,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:05,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:05,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:05,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:05,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:05,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:05,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:05,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:05,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:05,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:05,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:05,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004851926] [2020-09-24 15:45:05,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:05,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:45:05,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353948660] [2020-09-24 15:45:05,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:45:05,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:05,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:45:05,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:45:05,956 INFO L87 Difference]: Start difference. First operand 243 states and 260 transitions. Second operand 7 states. [2020-09-24 15:45:06,639 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:08,053 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:08,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:08,710 INFO L93 Difference]: Finished difference Result 547 states and 628 transitions. [2020-09-24 15:45:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 15:45:08,711 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-09-24 15:45:08,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:08,716 INFO L225 Difference]: With dead ends: 547 [2020-09-24 15:45:08,716 INFO L226 Difference]: Without dead ends: 419 [2020-09-24 15:45:08,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:45:08,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-09-24 15:45:08,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 348. [2020-09-24 15:45:08,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2020-09-24 15:45:08,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 377 transitions. [2020-09-24 15:45:08,781 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 377 transitions. Word has length 166 [2020-09-24 15:45:08,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:08,782 INFO L479 AbstractCegarLoop]: Abstraction has 348 states and 377 transitions. [2020-09-24 15:45:08,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:45:08,782 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 377 transitions. [2020-09-24 15:45:08,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-24 15:45:08,784 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:08,784 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:08,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:45:08,785 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:08,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:08,785 INFO L82 PathProgramCache]: Analyzing trace with hash 590655546, now seen corresponding path program 1 times [2020-09-24 15:45:08,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:08,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095686397] [2020-09-24 15:45:08,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-09-24 15:45:08,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 15:45:08,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:45:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:45:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:45:08,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:09,371 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:09,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:09,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:09,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:09,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:09,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:09,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:09,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:09,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:09,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:09,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:09,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:09,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:45:09,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:09,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:09,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:09,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:09,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:09,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:09,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:09,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:09,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:09,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:09,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:09,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:09,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:09,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:09,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:09,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:09,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:09,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:09,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:09,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:09,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:09,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:09,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:09,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:09,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:09,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:09,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:09,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:09,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:09,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:09,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:09,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:09,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:09,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:09,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:09,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:09,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:09,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:09,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:09,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:09,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:09,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:09,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:09,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:09,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:09,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:09,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:09,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:09,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:09,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:09,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:09,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:09,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:09,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:09,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:09,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:09,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:09,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:09,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:09,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:09,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:09,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:09,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:45:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:09,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:09,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:09,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:09,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:09,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:45:09,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:09,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:09,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 15:45:09,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:09,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:09,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:09,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:09,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:09,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:09,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:09,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:09,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:09,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:09,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:09,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:09,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:09,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:09,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:09,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:09,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:09,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:09,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:09,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:09,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:09,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:09,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:09,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:09,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:09,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:09,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:09,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:09,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:09,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:09,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:09,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:09,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:09,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:09,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:09,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-24 15:45:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:09,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:09,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:09,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:09,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:09,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:09,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:09,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:09,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:09,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:09,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:45:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:09,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:09,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:09,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:09,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:09,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:09,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:09,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:09,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:09,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:09,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:09,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:09,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:09,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095686397] [2020-09-24 15:45:09,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:09,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:45:09,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645480401] [2020-09-24 15:45:09,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:45:09,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:09,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:45:09,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:45:09,631 INFO L87 Difference]: Start difference. First operand 348 states and 377 transitions. Second operand 10 states. [2020-09-24 15:45:10,180 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:11,568 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:11,904 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:45:12,268 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:12,582 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:13,293 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:13,625 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 15:45:13,927 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 15:45:14,311 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:15,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:15,176 INFO L93 Difference]: Finished difference Result 878 states and 1025 transitions. [2020-09-24 15:45:15,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:45:15,179 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2020-09-24 15:45:15,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:15,184 INFO L225 Difference]: With dead ends: 878 [2020-09-24 15:45:15,184 INFO L226 Difference]: Without dead ends: 645 [2020-09-24 15:45:15,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:45:15,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-09-24 15:45:15,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 535. [2020-09-24 15:45:15,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2020-09-24 15:45:15,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 585 transitions. [2020-09-24 15:45:15,258 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 585 transitions. Word has length 190 [2020-09-24 15:45:15,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:15,259 INFO L479 AbstractCegarLoop]: Abstraction has 535 states and 585 transitions. [2020-09-24 15:45:15,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:45:15,259 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 585 transitions. [2020-09-24 15:45:15,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-09-24 15:45:15,262 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:15,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:15,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:45:15,262 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:15,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:15,263 INFO L82 PathProgramCache]: Analyzing trace with hash -2059893013, now seen corresponding path program 1 times [2020-09-24 15:45:15,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:15,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [780440412] [2020-09-24 15:45:15,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-09-24 15:45:15,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 15:45:15,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:45:15,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:45:15,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 15:45:15,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,685 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:15,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,724 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:15,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:45:15,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:15,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:15,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:15,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:15,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:15,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:15,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:15,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:15,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:15,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:15,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:15,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:15,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:15,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:15,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:15,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:45:15,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:15,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:15,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:45:15,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,872 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,872 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:15,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:15,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:15,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:15,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:15,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:45:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:15,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:15,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:45:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:15,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:15,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:15,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:15,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:15,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [780440412] [2020-09-24 15:45:15,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:15,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:15,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685944920] [2020-09-24 15:45:15,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:15,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:15,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:15,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:15,974 INFO L87 Difference]: Start difference. First operand 535 states and 585 transitions. Second operand 11 states. [2020-09-24 15:45:16,536 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:18,172 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:18,473 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:18,836 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:19,846 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:20,162 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 15:45:20,499 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:20,801 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:21,092 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:21,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:21,444 INFO L93 Difference]: Finished difference Result 1126 states and 1301 transitions. [2020-09-24 15:45:21,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 15:45:21,445 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 195 [2020-09-24 15:45:21,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:21,453 INFO L225 Difference]: With dead ends: 1126 [2020-09-24 15:45:21,454 INFO L226 Difference]: Without dead ends: 706 [2020-09-24 15:45:21,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=256, Invalid=674, Unknown=0, NotChecked=0, Total=930 [2020-09-24 15:45:21,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-09-24 15:45:21,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 533. [2020-09-24 15:45:21,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-09-24 15:45:21,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 581 transitions. [2020-09-24 15:45:21,535 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 581 transitions. Word has length 195 [2020-09-24 15:45:21,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:21,536 INFO L479 AbstractCegarLoop]: Abstraction has 533 states and 581 transitions. [2020-09-24 15:45:21,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:21,536 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 581 transitions. [2020-09-24 15:45:21,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-24 15:45:21,539 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:21,540 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] [2020-09-24 15:45:21,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:45:21,540 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:21,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:21,541 INFO L82 PathProgramCache]: Analyzing trace with hash -81749345, now seen corresponding path program 1 times [2020-09-24 15:45:21,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:21,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551141752] [2020-09-24 15:45:21,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-24 15:45:21,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:21,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-09-24 15:45:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:21,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:21,969 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:21,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:21,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:22,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:22,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:22,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:22,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:22,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:22,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:22,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:22,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:22,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:22,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:22,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:45:22,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:22,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:45:22,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:22,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:22,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:45:22,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:22,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:45:22,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:22,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:22,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:45:22,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:22,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:22,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,209 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:22,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:22,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:22,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:45:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:22,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:22,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:45:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:22,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:22,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,306 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 15:45:22,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551141752] [2020-09-24 15:45:22,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:22,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:22,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7075323] [2020-09-24 15:45:22,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:22,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:22,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:22,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:22,315 INFO L87 Difference]: Start difference. First operand 533 states and 581 transitions. Second operand 11 states. [2020-09-24 15:45:23,540 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:23,829 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:24,145 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:24,447 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:24,751 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:25,039 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:26,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:26,261 INFO L93 Difference]: Finished difference Result 1138 states and 1334 transitions. [2020-09-24 15:45:26,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:45:26,262 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-09-24 15:45:26,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:26,269 INFO L225 Difference]: With dead ends: 1138 [2020-09-24 15:45:26,269 INFO L226 Difference]: Without dead ends: 720 [2020-09-24 15:45:26,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:45:26,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2020-09-24 15:45:26,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 549. [2020-09-24 15:45:26,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-09-24 15:45:26,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 597 transitions. [2020-09-24 15:45:26,381 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 597 transitions. Word has length 218 [2020-09-24 15:45:26,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:26,382 INFO L479 AbstractCegarLoop]: Abstraction has 549 states and 597 transitions. [2020-09-24 15:45:26,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:26,382 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 597 transitions. [2020-09-24 15:45:26,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-24 15:45:26,386 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:26,386 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] [2020-09-24 15:45:26,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:45:26,387 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:26,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:26,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1358050047, now seen corresponding path program 1 times [2020-09-24 15:45:26,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:26,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173763009] [2020-09-24 15:45:26,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:26,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -73 [2020-09-24 15:45:26,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 73 [2020-09-24 15:45:26,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-24 15:45:26,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:26,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:26,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178 [2020-09-24 15:45:26,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:26,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,723 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:26,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:26,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:26,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:26,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:26,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:26,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:45:26,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:45:26,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:26,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:26,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,817 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:26,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:26,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:26,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:26,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:26,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:26,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:26,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:26,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:26,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:45:26,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:26,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:45:26,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:26,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:45:26,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:26,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:26,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:26,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:26,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:26,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:26,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:26,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:45:26,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:26,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:26,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:26,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:26,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:26,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:26,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:26,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:26,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:45:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:26,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:26,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:26,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:45:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:27,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:27,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:27,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:27,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:27,057 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 15:45:27,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173763009] [2020-09-24 15:45:27,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:27,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:45:27,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439466316] [2020-09-24 15:45:27,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:45:27,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:27,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:45:27,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:45:27,061 INFO L87 Difference]: Start difference. First operand 549 states and 597 transitions. Second operand 10 states. [2020-09-24 15:45:28,167 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:28,479 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:28,777 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:29,099 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:29,396 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:30,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:30,565 INFO L93 Difference]: Finished difference Result 1172 states and 1370 transitions. [2020-09-24 15:45:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:45:30,565 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 218 [2020-09-24 15:45:30,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:30,571 INFO L225 Difference]: With dead ends: 1172 [2020-09-24 15:45:30,571 INFO L226 Difference]: Without dead ends: 738 [2020-09-24 15:45:30,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:45:30,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2020-09-24 15:45:30,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 561. [2020-09-24 15:45:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-09-24 15:45:30,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 609 transitions. [2020-09-24 15:45:30,635 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 609 transitions. Word has length 218 [2020-09-24 15:45:30,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:30,636 INFO L479 AbstractCegarLoop]: Abstraction has 561 states and 609 transitions. [2020-09-24 15:45:30,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:45:30,636 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 609 transitions. [2020-09-24 15:45:30,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-24 15:45:30,640 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:30,640 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] [2020-09-24 15:45:30,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:45:30,640 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:30,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:30,641 INFO L82 PathProgramCache]: Analyzing trace with hash 737578300, now seen corresponding path program 1 times [2020-09-24 15:45:30,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:30,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162413018] [2020-09-24 15:45:30,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:30,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:30,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:30,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:30,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:30,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-24 15:45:30,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:30,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:45:30,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:30,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:45:30,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:45:30,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:45:30,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,047 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:31,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:31,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:45:31,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:31,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:31,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:31,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:31,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:31,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:31,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:31,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:31,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:31,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:31,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:31,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:31,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:31,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 15:45:31,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-24 15:45:31,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:31,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:31,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:31,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:31,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:31,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:45:31,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:31,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:31,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:31,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:31,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:31,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:31,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:31,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:31,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:31,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:31,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:31,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:45:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:31,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:31,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:31,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:31,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:31,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:45:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:31,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:31,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:31,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:31,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:31,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,325 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 15:45:31,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162413018] [2020-09-24 15:45:31,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:31,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:45:31,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244580115] [2020-09-24 15:45:31,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:45:31,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:31,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:45:31,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:45:31,327 INFO L87 Difference]: Start difference. First operand 561 states and 609 transitions. Second operand 8 states. [2020-09-24 15:45:31,857 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:32,557 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:34,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:34,712 INFO L93 Difference]: Finished difference Result 1633 states and 1951 transitions. [2020-09-24 15:45:34,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:45:34,713 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-09-24 15:45:34,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:34,720 INFO L225 Difference]: With dead ends: 1633 [2020-09-24 15:45:34,720 INFO L226 Difference]: Without dead ends: 1187 [2020-09-24 15:45:34,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:45:34,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2020-09-24 15:45:34,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 955. [2020-09-24 15:45:34,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 955 states. [2020-09-24 15:45:34,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1065 transitions. [2020-09-24 15:45:34,863 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1065 transitions. Word has length 218 [2020-09-24 15:45:34,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:34,864 INFO L479 AbstractCegarLoop]: Abstraction has 955 states and 1065 transitions. [2020-09-24 15:45:34,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:45:34,864 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1065 transitions. [2020-09-24 15:45:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-09-24 15:45:34,868 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:34,868 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] [2020-09-24 15:45:34,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:45:34,869 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:34,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:34,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1828552056, now seen corresponding path program 1 times [2020-09-24 15:45:34,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:34,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411634844] [2020-09-24 15:45:34,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:34,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -52 [2020-09-24 15:45:34,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 52 [2020-09-24 15:45:34,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-09-24 15:45:34,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 15:45:34,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:45:34,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-24 15:45:34,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-24 15:45:34,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,226 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:35,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:35,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:35,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:35,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:35,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:35,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:35,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:35,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:35,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:35,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:35,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:35,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:35,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:45:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:35,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:35,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:45:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:35,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:35,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:35,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:35,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 15:45:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:35,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:45:35,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:45:35,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-24 15:45:35,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 15:45:35,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:35,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:35,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:35,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:35,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:35,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:35,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:35,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:45:35,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:45:35,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:45:35,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,467 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:35,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:35,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:45:35,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:45:35,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:35,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:35,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:35,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:35,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:35,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:35,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:35,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:45:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:35,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:35,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 15:45:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:35,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:35,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:35,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:45:35,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411634844] [2020-09-24 15:45:35,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:45:35,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:45:35,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156116109] [2020-09-24 15:45:35,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:45:35,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:35,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:45:35,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:45:35,606 INFO L87 Difference]: Start difference. First operand 955 states and 1065 transitions. Second operand 17 states. [2020-09-24 15:45:36,194 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:37,305 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:38,501 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:38,819 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:39,200 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:39,520 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:39,832 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:40,135 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:40,440 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:40,753 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:41,107 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:41,444 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:41,780 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:42,100 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:42,399 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:42,742 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:43,037 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:43,434 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:43,867 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:44,222 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:46,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:46,058 INFO L93 Difference]: Finished difference Result 1979 states and 2292 transitions. [2020-09-24 15:45:46,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-09-24 15:45:46,062 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 223 [2020-09-24 15:45:46,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:46,068 INFO L225 Difference]: With dead ends: 1979 [2020-09-24 15:45:46,068 INFO L226 Difference]: Without dead ends: 1139 [2020-09-24 15:45:46,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 844 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=644, Invalid=2548, Unknown=0, NotChecked=0, Total=3192 [2020-09-24 15:45:46,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2020-09-24 15:45:46,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 918. [2020-09-24 15:45:46,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2020-09-24 15:45:46,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1012 transitions. [2020-09-24 15:45:46,185 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1012 transitions. Word has length 223 [2020-09-24 15:45:46,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:46,186 INFO L479 AbstractCegarLoop]: Abstraction has 918 states and 1012 transitions. [2020-09-24 15:45:46,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 15:45:46,186 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1012 transitions. [2020-09-24 15:45:46,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-09-24 15:45:46,189 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:46,189 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:46,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:45:46,190 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:46,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:46,190 INFO L82 PathProgramCache]: Analyzing trace with hash -77807389, now seen corresponding path program 1 times [2020-09-24 15:45:46,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:46,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1409231083] [2020-09-24 15:45:46,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 332 [2020-09-24 15:45:46,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:45:46,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:46,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 248 [2020-09-24 15:45:46,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 15:45:46,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,569 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:46,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:46,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:46,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:46,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:46,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:46,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:46,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:46,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:46,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:46,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,646 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,646 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:46,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:46,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:45:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:46,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:46,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:45:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-24 15:45:46,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-24 15:45:46,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:46,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:46,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:46,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:46,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:46,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:46,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:46,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:46,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:46,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:46,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:46,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 15:45:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:45:46,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:46,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:45:46,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:46,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:46,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-24 15:45:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:46,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:46,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:46,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-24 15:45:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,780 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:46,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:46,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:46,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 15:45:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:45:46,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:46,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:45:46,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:46,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:46,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-24 15:45:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:46,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:45:46,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:46,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:46,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-09-24 15:45:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:46,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:46,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-24 15:45:46,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1409231083] [2020-09-24 15:45:46,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:45:46,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 15:45:46,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510384709] [2020-09-24 15:45:46,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:45:46,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:46,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:45:46,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:45:46,876 INFO L87 Difference]: Start difference. First operand 918 states and 1012 transitions. Second operand 9 states. [2020-09-24 15:45:47,372 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:49,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:49,364 INFO L93 Difference]: Finished difference Result 1725 states and 2021 transitions. [2020-09-24 15:45:49,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:45:49,364 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 271 [2020-09-24 15:45:49,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:49,375 INFO L225 Difference]: With dead ends: 1725 [2020-09-24 15:45:49,375 INFO L226 Difference]: Without dead ends: 1722 [2020-09-24 15:45:49,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:45:49,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2020-09-24 15:45:49,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1393. [2020-09-24 15:45:49,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1393 states. [2020-09-24 15:45:49,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1545 transitions. [2020-09-24 15:45:49,553 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1545 transitions. Word has length 271 [2020-09-24 15:45:49,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:49,554 INFO L479 AbstractCegarLoop]: Abstraction has 1393 states and 1545 transitions. [2020-09-24 15:45:49,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:45:49,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1545 transitions. [2020-09-24 15:45:49,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-09-24 15:45:49,559 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:49,560 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:49,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 15:45:49,560 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:49,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:49,560 INFO L82 PathProgramCache]: Analyzing trace with hash 463011434, now seen corresponding path program 1 times [2020-09-24 15:45:49,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:49,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199472266] [2020-09-24 15:45:49,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 411 [2020-09-24 15:45:49,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 15:45:49,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:45:49,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:45:49,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 262 [2020-09-24 15:45:49,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,135 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:50,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:50,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:45:50,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:50,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:50,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:50,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:50,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:50,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:50,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:50,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:50,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:50,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:50,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:45:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:50,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:50,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 15:45:50,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:50,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:45:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-24 15:45:50,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:50,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:45:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:45:50,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:50,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:45:50,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:50,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:50,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:50,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:50,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:50,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:50,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:50,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:50,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:50,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 15:45:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:45:50,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:45:50,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:45:50,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:50,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-24 15:45:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:50,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:50,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-24 15:45:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 15:45:50,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:45:50,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:45:50,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:45:50,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 15:45:50,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:50,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:50,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:50,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:45:50,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:50,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 15:45:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:45:50,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:45:50,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:50,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:50,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 15:45:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:45:50,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 15:45:50,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:50,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:45:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:50,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:50,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-09-24 15:45:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:50,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:50,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:45:50,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:50,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2020-09-24 15:45:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:50,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:50,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:45:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 15:45:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:45:50,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:50,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 15:45:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:50,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-09-24 15:45:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:50,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:50,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-09-24 15:45:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:50,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:50,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:50,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 53 proven. 23 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-09-24 15:45:50,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199472266] [2020-09-24 15:45:50,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:45:50,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 15:45:50,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978493257] [2020-09-24 15:45:50,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:45:50,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:50,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:45:50,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:45:50,683 INFO L87 Difference]: Start difference. First operand 1393 states and 1545 transitions. Second operand 13 states.