/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:17:53,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:17:53,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:17:53,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:17:53,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:17:53,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:17:53,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:17:53,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:17:53,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:17:53,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:17:53,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:17:53,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:17:53,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:17:53,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:17:53,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:17:53,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:17:53,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:17:53,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:17:53,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:17:53,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:17:53,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:17:53,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:17:53,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:17:53,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:17:53,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:17:53,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:17:53,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:17:53,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:17:53,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:17:53,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:17:53,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:17:53,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:17:53,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:17:53,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:17:53,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:17:53,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:17:53,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:17:53,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:17:53,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:17:53,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:17:53,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:17:53,770 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 [2020-09-25 13:17:53,795 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:17:53,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:17:53,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:17:53,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:17:53,797 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:17:53,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:17:53,797 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:17:53,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:17:53,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:17:53,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:17:53,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:17:53,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:17:53,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:17:53,799 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:17:53,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:17:53,799 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:17:53,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:17:53,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:17:53,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:17:53,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:17:53,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:17:53,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:17:53,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:17:53,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:17:53,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:17:53,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:17:53,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:17:53,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:17:53,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:17:53,802 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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:17:54,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:17:54,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:17:54,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:17:54,316 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:17:54,317 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:17:54,318 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-09-25 13:17:54,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8cfa4549/1083a3360b124f098a724ebfc35b3406/FLAGfe7e7bd3e [2020-09-25 13:17:55,007 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:17:55,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-09-25 13:17:55,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8cfa4549/1083a3360b124f098a724ebfc35b3406/FLAGfe7e7bd3e [2020-09-25 13:17:55,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8cfa4549/1083a3360b124f098a724ebfc35b3406 [2020-09-25 13:17:55,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:17:55,271 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:17:55,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:17:55,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:17:55,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:17:55,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:17:55" (1/1) ... [2020-09-25 13:17:55,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:17:55, skipping insertion in model container [2020-09-25 13:17:55,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:17:55" (1/1) ... [2020-09-25 13:17:55,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:17:55,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:17:56,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:17:56,024 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:17:56,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:17:56,200 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:17:56,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:17:56 WrapperNode [2020-09-25 13:17:56,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:17:56,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:17:56,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:17:56,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:17:56,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:17:56" (1/1) ... [2020-09-25 13:17:56,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:17:56" (1/1) ... [2020-09-25 13:17:56,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:17:56" (1/1) ... [2020-09-25 13:17:56,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:17:56" (1/1) ... [2020-09-25 13:17:56,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:17:56" (1/1) ... [2020-09-25 13:17:56,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:17:56" (1/1) ... [2020-09-25 13:17:56,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:17:56" (1/1) ... [2020-09-25 13:17:56,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:17:56,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:17:56,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:17:56,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:17:56,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:17:56" (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 [2020-09-25 13:17:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:17:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:17:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:17:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:17:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:17:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:17:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:17:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:17:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:17:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 13:17:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 13:17:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 13:17:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:17:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:17:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:17:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:17:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:17:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:17:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:17:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:17:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:17:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:17:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:17:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:17:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:17:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:17:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:17:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:17:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:17:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:17:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:17:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:17:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:17:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:17:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:17:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 13:17:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:17:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:17:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:17:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:17:56,399 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:17:56,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:17:56,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:17:56,399 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:17:56,399 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:17:56,400 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:17:56,400 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:17:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:17:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:17:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:17:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:17:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:17:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 13:17:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:17:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:17:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:17:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:17:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:17:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:17:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:17:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:17:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 13:17:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 13:17:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:17:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:17:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:17:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:17:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:17:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:17:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:17:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:17:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:17:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:17:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:17:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:17:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:17:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:17:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:17:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:17:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:17:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:17:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:17:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:17:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:17:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:17:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:17:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 13:17:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:17:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:17:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:17:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:17:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:17:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:17:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:17:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:17:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:17:57,651 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:17:57,652 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:17:57,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:17:57 BoogieIcfgContainer [2020-09-25 13:17:57,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:17:57,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:17:57,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:17:57,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:17:57,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:17:55" (1/3) ... [2020-09-25 13:17:57,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f9fe24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:17:57, skipping insertion in model container [2020-09-25 13:17:57,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:17:56" (2/3) ... [2020-09-25 13:17:57,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f9fe24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:17:57, skipping insertion in model container [2020-09-25 13:17:57,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:17:57" (3/3) ... [2020-09-25 13:17:57,669 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-09-25 13:17:57,681 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:17:57,692 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:17:57,716 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:17:57,749 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:17:57,750 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:17:57,750 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:17:57,750 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:17:57,750 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:17:57,750 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:17:57,750 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:17:57,750 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:17:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2020-09-25 13:17:57,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 13:17:57,803 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:17:57,804 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:17:57,805 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:17:57,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:17:57,812 INFO L82 PathProgramCache]: Analyzing trace with hash -548539878, now seen corresponding path program 1 times [2020-09-25 13:17:57,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:17:57,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711699500] [2020-09-25 13:17:57,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:17:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:17:58,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:17:58,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:00,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:00,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:03,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:03,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 13:18:03,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:18:03,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 13:18:03,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:03,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:03,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:18:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 13:18:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-25 13:18:03,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 13:18:03,692 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:03,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:03,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:04,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:04,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:04,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:04,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-09-25 13:18:04,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:04,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:04,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:04,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:04,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 13:18:04,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:04,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:04,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:04,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:04,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:04,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:04,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:18:04,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:04,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:04,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:04,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:04,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:04,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:04,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:04,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:04,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:04,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:04,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:04,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:18:04,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:04,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:04,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:04,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:04,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:04,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:04,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:04,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:04,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:04,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:04,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:04,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:18:04,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:04,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:04,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:04,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:04,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:04,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:04,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:04,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:04,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:04,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:04,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:04,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:18:04,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:04,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:04,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:04,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:04,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:04,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:04,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:04,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:04,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:04,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:04,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:04,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:18:04,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:04,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:04,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:04,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:04,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:04,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:04,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:18:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:04,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:04,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:04,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:04,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:04,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:18:04,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:04,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:04,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:04,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:04,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:18:04,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:04,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:04,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:04,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:04,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:04,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:04,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:04,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:04,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:04,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:04,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:04,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:04,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:04,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 13:18:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:04,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:04,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:04,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:04,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:04,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:04,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:04,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:04,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:04,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:04,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:04,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:04,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 13:18:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:04,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:04,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:04,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:04,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:04,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:04,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:04,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:04,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:04,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:04,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:04,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:18:04,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711699500] [2020-09-25 13:18:04,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:04,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:18:04,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009499856] [2020-09-25 13:18:04,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:18:04,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:04,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:18:04,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:18:04,339 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 6 states. [2020-09-25 13:18:04,981 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:18:06,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:06,207 INFO L93 Difference]: Finished difference Result 505 states and 591 transitions. [2020-09-25 13:18:06,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:18:06,210 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-09-25 13:18:06,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:06,239 INFO L225 Difference]: With dead ends: 505 [2020-09-25 13:18:06,239 INFO L226 Difference]: Without dead ends: 318 [2020-09-25 13:18:06,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-25 13:18:06,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-25 13:18:06,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 272. [2020-09-25 13:18:06,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-09-25 13:18:06,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 294 transitions. [2020-09-25 13:18:06,458 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 294 transitions. Word has length 160 [2020-09-25 13:18:06,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:06,461 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 294 transitions. [2020-09-25 13:18:06,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:18:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 294 transitions. [2020-09-25 13:18:06,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 13:18:06,476 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:06,477 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:18:06,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:18:06,477 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:06,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:06,478 INFO L82 PathProgramCache]: Analyzing trace with hash 723153057, now seen corresponding path program 1 times [2020-09-25 13:18:06,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:06,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1046627348] [2020-09-25 13:18:06,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:06,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:06,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:07,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:11,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:11,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 13:18:11,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:18:11,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 13:18:11,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:11,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:11,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 13:18:11,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:18:11,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 13:18:11,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:18:12,031 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:12,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:12,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-25 13:18:12,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:12,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:18:12,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:12,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:12,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:12,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:12,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:12,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:12,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:12,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:12,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:18:12,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:12,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:12,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:12,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:12,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:12,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:12,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:12,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:12,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:12,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 13:18:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:12,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:18:12,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:18:12,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:12,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:12,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:12,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:12,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:12,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:18:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:18:12,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:18:12,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 13:18:12,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:18:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:18:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 13:18:12,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:12,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:18:12,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:18:12,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:18:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:18:12,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:12,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:12,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:12,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:12,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 13:18:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:12,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:12,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:12,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:12,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:12,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 13:18:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:12,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:12,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:12,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:18:12,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1046627348] [2020-09-25 13:18:12,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:12,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 13:18:12,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682191914] [2020-09-25 13:18:12,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:18:12,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:12,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:18:12,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:18:12,560 INFO L87 Difference]: Start difference. First operand 272 states and 294 transitions. Second operand 7 states. [2020-09-25 13:18:13,097 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:18:14,721 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:18:16,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:16,068 INFO L93 Difference]: Finished difference Result 661 states and 789 transitions. [2020-09-25 13:18:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 13:18:16,069 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-09-25 13:18:16,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:16,083 INFO L225 Difference]: With dead ends: 661 [2020-09-25 13:18:16,083 INFO L226 Difference]: Without dead ends: 504 [2020-09-25 13:18:16,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-09-25 13:18:16,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-09-25 13:18:16,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 415. [2020-09-25 13:18:16,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-09-25 13:18:16,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 463 transitions. [2020-09-25 13:18:16,181 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 463 transitions. Word has length 174 [2020-09-25 13:18:16,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:16,182 INFO L479 AbstractCegarLoop]: Abstraction has 415 states and 463 transitions. [2020-09-25 13:18:16,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 13:18:16,182 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 463 transitions. [2020-09-25 13:18:16,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-25 13:18:16,185 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:16,186 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] [2020-09-25 13:18:16,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:18:16,186 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:16,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:16,187 INFO L82 PathProgramCache]: Analyzing trace with hash 2080657374, now seen corresponding path program 1 times [2020-09-25 13:18:16,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:16,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017934343] [2020-09-25 13:18:16,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:16,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:16,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:16,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:17,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:21,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:21,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-25 13:18:21,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:18:21,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 13:18:21,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:21,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-25 13:18:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:18:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-09-25 13:18:21,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:21,691 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:21,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:21,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:21,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:21,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:21,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:21,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-25 13:18:21,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:21,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:21,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:21,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:21,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:18:21,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:21,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:21,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:22,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:22,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:22,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:22,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:22,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:22,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:22,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 13:18:22,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:22,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:22,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:22,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:22,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:22,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:22,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:22,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:22,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:18:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:22,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:18:22,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:22,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:18:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:22,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:18:22,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:18:22,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:22,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:22,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:22,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:22,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:22,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 13:18:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 13:18:22,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:18:22,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-09-25 13:18:22,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:18:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:18:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 13:18:22,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:22,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 13:18:22,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 13:18:22,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:18:22,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:18:22,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-25 13:18:22,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:18:22,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 13:18:22,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 13:18:22,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:18:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:18:22,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:18:22,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:22,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:22,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:18:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:22,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:22,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:22,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 13:18:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:22,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:22,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:22,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:22,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 13:18:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:22,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:18:22,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:22,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:22,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 13:18:22,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017934343] [2020-09-25 13:18:22,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:22,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 13:18:22,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754874175] [2020-09-25 13:18:22,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 13:18:22,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:22,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 13:18:22,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:18:22,548 INFO L87 Difference]: Start difference. First operand 415 states and 463 transitions. Second operand 11 states. [2020-09-25 13:18:23,119 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:18:23,875 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:18:24,192 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:18:25,380 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:18:25,697 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:18:26,081 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:26,491 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:18:26,810 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:18:27,121 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:18:28,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:28,376 INFO L93 Difference]: Finished difference Result 863 states and 1048 transitions. [2020-09-25 13:18:28,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 13:18:28,376 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-09-25 13:18:28,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:28,383 INFO L225 Difference]: With dead ends: 863 [2020-09-25 13:18:28,384 INFO L226 Difference]: Without dead ends: 563 [2020-09-25 13:18:28,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-09-25 13:18:28,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-09-25 13:18:28,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 414. [2020-09-25 13:18:28,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2020-09-25 13:18:28,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 460 transitions. [2020-09-25 13:18:28,443 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 460 transitions. Word has length 211 [2020-09-25 13:18:28,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:28,444 INFO L479 AbstractCegarLoop]: Abstraction has 414 states and 460 transitions. [2020-09-25 13:18:28,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 13:18:28,445 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 460 transitions. [2020-09-25 13:18:28,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 13:18:28,448 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:28,448 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] [2020-09-25 13:18:28,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:18:28,448 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:28,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:28,449 INFO L82 PathProgramCache]: Analyzing trace with hash -170414863, now seen corresponding path program 1 times [2020-09-25 13:18:28,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:28,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [656381359] [2020-09-25 13:18:28,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:28,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:28,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:30,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:30,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 13:18:30,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:18:30,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2007 [2020-09-25 13:18:30,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:30,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:30,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:18:30,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 13:18:30,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:18:30,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:30,818 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:30,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:30,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:30,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:30,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:30,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:30,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 13:18:30,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:30,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:30,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:30,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:30,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:30,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:31,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:31,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:31,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:31,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:31,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:31,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:31,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:31,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:31,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:31,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:31,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:31,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:31,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:31,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:31,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:31,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:31,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:31,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:31,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:31,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:31,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:31,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:31,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:31,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:31,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:31,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:31,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:31,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:31,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:31,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:31,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:31,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:31,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:31,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:31,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:31,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:31,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:31,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:31,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:31,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:31,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:31,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:31,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:31,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:31,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:31,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:31,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:31,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:31,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:31,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:31,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:31,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:31,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:31,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:31,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:31,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:31,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:31,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 13:18:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:31,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:31,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:31,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:31,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:31,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:31,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:31,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:31,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:31,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:31,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:31,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:31,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:31,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:31,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:31,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:31,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:31,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:31,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:31,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:31,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:31,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:31,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:18:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:31,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:31,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:31,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 13:18:31,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:31,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 13:18:31,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:31,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:31,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:18:31,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 13:18:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:18:31,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:31,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:31,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:31,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:31,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 13:18:31,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:31,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 13:18:31,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:31,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:31,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:18:31,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 13:18:31,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:18:31,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:31,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:31,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:31,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:31,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:18:31,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:31,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 13:18:31,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:31,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:31,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:31,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:31,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 13:18:31,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:31,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:18:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:31,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:31,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:31,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:18:31,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:31,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:18:31,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:31,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:31,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:31,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:31,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:31,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:31,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:18:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:31,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:31,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:31,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:31,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:31,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:31,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:31,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:31,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:31,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 13:18:31,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:31,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:31,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 13:18:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:31,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:31,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:31,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:31,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:31,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:31,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:31,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:31,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:31,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:31,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:31,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:31,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 13:18:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:31,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:31,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:31,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:31,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:31,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:31,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:31,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:31,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:31,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:31,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:31,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:31,492 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:18:31,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [656381359] [2020-09-25 13:18:31,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:31,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 13:18:31,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461333703] [2020-09-25 13:18:31,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 13:18:31,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:31,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 13:18:31,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 13:18:31,496 INFO L87 Difference]: Start difference. First operand 414 states and 460 transitions. Second operand 10 states. [2020-09-25 13:18:32,948 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:33,254 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:18:33,572 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:18:33,888 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:34,218 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:18:34,533 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:35,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:35,479 INFO L93 Difference]: Finished difference Result 794 states and 930 transitions. [2020-09-25 13:18:35,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 13:18:35,480 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2020-09-25 13:18:35,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:35,484 INFO L225 Difference]: With dead ends: 794 [2020-09-25 13:18:35,484 INFO L226 Difference]: Without dead ends: 495 [2020-09-25 13:18:35,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 13:18:35,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2020-09-25 13:18:35,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 422. [2020-09-25 13:18:35,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-09-25 13:18:35,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 468 transitions. [2020-09-25 13:18:35,534 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 468 transitions. Word has length 199 [2020-09-25 13:18:35,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:35,535 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 468 transitions. [2020-09-25 13:18:35,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 13:18:35,536 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 468 transitions. [2020-09-25 13:18:35,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 13:18:35,539 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:35,539 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] [2020-09-25 13:18:35,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 13:18:35,540 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:35,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:35,540 INFO L82 PathProgramCache]: Analyzing trace with hash -295619247, now seen corresponding path program 1 times [2020-09-25 13:18:35,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:35,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487115997] [2020-09-25 13:18:35,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:35,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:35,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 13:18:37,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:18:37,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1600 [2020-09-25 13:18:37,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-09-25 13:18:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:18:37,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:37,484 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:37,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:37,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 13:18:37,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:37,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:37,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:37,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:37,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:37,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:18:37,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:37,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:37,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:37,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:37,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:37,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:37,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:37,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:37,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:37,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:37,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:37,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:37,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:37,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:18:37,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:37,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:37,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:37,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:37,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:37,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:18:37,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:37,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:37,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:37,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:37,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 13:18:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:37,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:37,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:37,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:37,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:37,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:37,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:37,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:18:37,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:37,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:37,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:37,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:37,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:18:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 13:18:37,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 13:18:37,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:37,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 13:18:37,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:18:37,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:37,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 13:18:37,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 13:18:37,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 13:18:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:18:37,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:37,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:18:37,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 13:18:37,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 13:18:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:18:37,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:37,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:18:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:18:37,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:18:37,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:18:37,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:37,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:37,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:37,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:18:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:37,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:37,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:37,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 13:18:37,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:37,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:37,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 13:18:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:37,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:37,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:37,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:37,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:37,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:37,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 13:18:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:37,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:37,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:37,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:37,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:37,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:37,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:18:37,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487115997] [2020-09-25 13:18:37,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:37,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 13:18:37,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913858002] [2020-09-25 13:18:37,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 13:18:37,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:37,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 13:18:37,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 13:18:37,962 INFO L87 Difference]: Start difference. First operand 422 states and 468 transitions. Second operand 9 states. [2020-09-25 13:18:39,294 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:39,601 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:18:39,943 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:18:40,269 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:18:40,526 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:18:41,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:41,548 INFO L93 Difference]: Finished difference Result 808 states and 957 transitions. [2020-09-25 13:18:41,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:18:41,549 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 199 [2020-09-25 13:18:41,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:41,553 INFO L225 Difference]: With dead ends: 808 [2020-09-25 13:18:41,553 INFO L226 Difference]: Without dead ends: 501 [2020-09-25 13:18:41,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 13:18:41,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-09-25 13:18:41,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 428. [2020-09-25 13:18:41,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-09-25 13:18:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 474 transitions. [2020-09-25 13:18:41,607 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 474 transitions. Word has length 199 [2020-09-25 13:18:41,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:41,608 INFO L479 AbstractCegarLoop]: Abstraction has 428 states and 474 transitions. [2020-09-25 13:18:41,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 13:18:41,608 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 474 transitions. [2020-09-25 13:18:41,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 13:18:41,610 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:41,610 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] [2020-09-25 13:18:41,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 13:18:41,611 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:41,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:41,611 INFO L82 PathProgramCache]: Analyzing trace with hash 394874894, now seen corresponding path program 1 times [2020-09-25 13:18:41,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:41,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805237360] [2020-09-25 13:18:41,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:41,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:41,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking...