/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=0.1 --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_spec1_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:43:33,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:43:33,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:43:33,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:43:33,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:43:33,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:43:33,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:43:33,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:43:33,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:43:33,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:43:33,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:43:33,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:43:33,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:43:33,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:43:33,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:43:33,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:43:33,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:43:33,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:43:33,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:43:33,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:43:33,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:43:33,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:43:33,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:43:33,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:43:33,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:43:33,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:43:33,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:43:33,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:43:33,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:43:33,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:43:33,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:43:33,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:43:33,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:43:33,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:43:33,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:43:33,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:43:33,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:43:33,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:43:33,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:43:33,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:43:33,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:43:33,849 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 09:43:33,900 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:43:33,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:43:33,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:43:33,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:43:33,904 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:43:33,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:43:33,905 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:43:33,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:43:33,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:43:33,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:43:33,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:43:33,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:43:33,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:43:33,908 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:43:33,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:43:33,908 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:43:33,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:43:33,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:43:33,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:43:33,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:43:33,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:43:33,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:43:33,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:43:33,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:43:33,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:43:33,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:43:33,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:43:33,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:43:33,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:43:33,911 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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;log-additional-information=true; [2020-09-25 09:43:34,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:43:34,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:43:34,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:43:34,465 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:43:34,466 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:43:34,467 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product39.cil.c [2020-09-25 09:43:34,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c64667d80/27306048b87c4df7836275c9f141b787/FLAG3db548b55 [2020-09-25 09:43:35,138 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:43:35,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product39.cil.c [2020-09-25 09:43:35,155 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c64667d80/27306048b87c4df7836275c9f141b787/FLAG3db548b55 [2020-09-25 09:43:35,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c64667d80/27306048b87c4df7836275c9f141b787 [2020-09-25 09:43:35,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:43:35,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:43:35,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:43:35,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:43:35,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:43:35,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:43:35" (1/1) ... [2020-09-25 09:43:35,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a11f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:35, skipping insertion in model container [2020-09-25 09:43:35,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:43:35" (1/1) ... [2020-09-25 09:43:35,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:43:35,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:43:35,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:43:35,968 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:43:36,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:43:36,115 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:43:36,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36 WrapperNode [2020-09-25 09:43:36,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:43:36,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:43:36,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:43:36,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:43:36,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (1/1) ... [2020-09-25 09:43:36,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (1/1) ... [2020-09-25 09:43:36,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (1/1) ... [2020-09-25 09:43:36,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (1/1) ... [2020-09-25 09:43:36,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (1/1) ... [2020-09-25 09:43:36,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (1/1) ... [2020-09-25 09:43:36,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (1/1) ... [2020-09-25 09:43:36,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:43:36,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:43:36,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:43:36,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:43:36,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (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 09:43:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:43:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:43:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:43:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:43:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:43:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:43:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:43:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:43:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:43:36,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 09:43:36,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:43:36,314 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:43:36,314 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:43:36,314 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:43:36,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:43:36,315 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:43:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:43:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:43:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:43:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:43:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:43:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:43:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:43:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:43:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:43:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:43:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:43:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:43:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:43:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:43:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:43:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:43:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:43:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:43:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:43:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:43:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:43:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:43:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:43:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:43:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:43:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:43:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:43:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:43:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:43:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:43:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:43:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:43:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:43:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:43:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:43:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:43:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:43:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:43:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:43:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:43:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:43:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:43:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:43:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:43:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:43:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:43:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 09:43:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:43:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:43:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:43:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:43:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:43:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:43:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:43:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:43:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:43:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:43:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:43:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:43:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:43:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:43:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:43:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:43:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:43:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:43:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:43:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:43:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:43:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:43:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:43:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:43:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:43:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:43:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:43:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:43:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:43:37,664 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:43:37,664 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:43:37,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:43:37 BoogieIcfgContainer [2020-09-25 09:43:37,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:43:37,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:43:37,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:43:37,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:43:37,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:43:35" (1/3) ... [2020-09-25 09:43:37,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e69f354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:43:37, skipping insertion in model container [2020-09-25 09:43:37,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:36" (2/3) ... [2020-09-25 09:43:37,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e69f354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:43:37, skipping insertion in model container [2020-09-25 09:43:37,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:43:37" (3/3) ... [2020-09-25 09:43:37,684 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product39.cil.c [2020-09-25 09:43:37,699 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:43:37,711 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:43:37,736 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:43:37,775 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:43:37,775 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:43:37,775 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:43:37,775 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:43:37,775 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:43:37,776 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:43:37,776 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:43:37,776 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:43:37,811 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states. [2020-09-25 09:43:37,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 09:43:37,829 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:43:37,831 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:43:37,832 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:43:37,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:43:37,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1299916906, now seen corresponding path program 1 times [2020-09-25 09:43:37,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:43:37,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1404693425] [2020-09-25 09:43:37,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:43:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:38,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:38,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:40,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:41,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:43,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:43,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 09:43:43,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:43:43,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 09:43:43,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:43,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:43,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:43:43,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 09:43:43,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 09:43:43,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 09:43:43,770 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:43:43,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:43:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:43,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:44,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:44,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:43:44,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:44,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-09-25 09:43:44,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:44,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:44,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:44,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:44,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 09:43:44,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:44,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:43:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:44,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:44,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:44,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:43:44,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:44,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:43:44,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:44,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:44,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:44,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:44,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:43:44,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:44,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:43:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:44,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:44,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:44,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:43:44,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:44,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:43:44,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:44,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:44,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:44,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:44,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:43:44,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:44,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:43:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:44,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:44,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:44,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:43:44,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:44,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:43:44,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:44,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:43:44,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:44,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:43:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:44,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:44,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:44,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:43:44,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:44,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:43:44,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:44,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:44,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:44,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:44,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:43:44,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:44,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:43:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:44,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:44,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:44,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:43:44,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:44,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:43:44,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:44,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:44,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:43:44,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:44,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:43:44,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:44,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:43:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:44,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:44,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:44,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:43:44,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:44,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:43:44,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:44,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:44,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:43:44,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:43:44,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:43:44,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:44,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:43:44,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1404693425] [2020-09-25 09:43:44,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:43:44,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 09:43:44,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131545985] [2020-09-25 09:43:44,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 09:43:44,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:43:44,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 09:43:44,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 09:43:44,470 INFO L87 Difference]: Start difference. First operand 307 states. Second operand 8 states. [2020-09-25 09:43:45,131 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:43:46,128 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:43:46,511 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:43:46,900 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:43:47,257 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:43:47,592 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:43:48,375 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:43:48,708 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:43:49,289 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:43:50,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:43:50,739 INFO L93 Difference]: Finished difference Result 648 states and 795 transitions. [2020-09-25 09:43:50,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 09:43:50,742 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 09:43:50,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:43:50,767 INFO L225 Difference]: With dead ends: 648 [2020-09-25 09:43:50,767 INFO L226 Difference]: Without dead ends: 435 [2020-09-25 09:43:50,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 09:43:50,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-09-25 09:43:50,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 377. [2020-09-25 09:43:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-09-25 09:43:50,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 421 transitions. [2020-09-25 09:43:50,914 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 421 transitions. Word has length 142 [2020-09-25 09:43:50,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:43:50,915 INFO L479 AbstractCegarLoop]: Abstraction has 377 states and 421 transitions. [2020-09-25 09:43:50,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 09:43:50,915 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 421 transitions. [2020-09-25 09:43:50,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 09:43:50,920 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:43:50,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:43:50,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:43:50,921 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:43:50,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:43:50,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1602205180, now seen corresponding path program 1 times [2020-09-25 09:43:50,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:43:50,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1942837562] [2020-09-25 09:43:50,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:43:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:51,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:53,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:56,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:56,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-25 09:43:56,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:43:56,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-25 09:43:56,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:56,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:56,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 09:43:56,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 09:43:56,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-25 09:43:56,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:56,409 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:43:56,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:43:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:56,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:56,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:56,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:43:56,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:56,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-09-25 09:43:56,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:56,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 09:43:56,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:56,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:43:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:56,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:56,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:56,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:43:56,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:56,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:43:56,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:56,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:56,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:56,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:56,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:43:56,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:56,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:43:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:56,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:56,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:56,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:43:56,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:56,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:43:56,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:56,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:56,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:56,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:56,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:43:56,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:56,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:43:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:56,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:56,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:56,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:43:56,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:56,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:43:56,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:56,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:56,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:56,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:56,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:43:56,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:56,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:43:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:56,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:56,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:56,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:43:56,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:56,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:43:56,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:56,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:56,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:56,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:56,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:43:56,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:56,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:43:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:56,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:56,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:56,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:43:56,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:56,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:43:56,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:56,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:56,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:56,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:56,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:43:56,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:56,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 09:43:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:56,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:56,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:56,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:43:56,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:56,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:43:56,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:56,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:56,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:56,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:56,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:43:56,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:56,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-25 09:43:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:56,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:56,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:56,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:43:56,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:56,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:43:56,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:56,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:56,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:43:56,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:43:56,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:56,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:43:56,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1942837562] [2020-09-25 09:43:56,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:43:56,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:43:56,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059890098] [2020-09-25 09:43:56,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:43:56,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:43:56,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:43:56,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:43:56,916 INFO L87 Difference]: Start difference. First operand 377 states and 421 transitions. Second operand 9 states. [2020-09-25 09:43:57,389 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:43:58,583 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:43:58,892 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:43:59,236 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:43:59,609 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 09:43:59,931 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:44:00,650 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:44:00,956 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:01,354 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:44:02,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:44:02,672 INFO L93 Difference]: Finished difference Result 910 states and 1122 transitions. [2020-09-25 09:44:02,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 09:44:02,673 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2020-09-25 09:44:02,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:44:02,683 INFO L225 Difference]: With dead ends: 910 [2020-09-25 09:44:02,684 INFO L226 Difference]: Without dead ends: 643 [2020-09-25 09:44:02,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 09:44:02,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2020-09-25 09:44:02,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 551. [2020-09-25 09:44:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2020-09-25 09:44:02,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 645 transitions. [2020-09-25 09:44:02,785 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 645 transitions. Word has length 157 [2020-09-25 09:44:02,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:44:02,786 INFO L479 AbstractCegarLoop]: Abstraction has 551 states and 645 transitions. [2020-09-25 09:44:02,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:44:02,786 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 645 transitions. [2020-09-25 09:44:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-09-25 09:44:02,790 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:44:02,790 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:44:02,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:44:02,791 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:44:02,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:44:02,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1570026786, now seen corresponding path program 1 times [2020-09-25 09:44:02,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:44:02,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575101590] [2020-09-25 09:44:02,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:44:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:02,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:03,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:03,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-09-25 09:44:03,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:03,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 818 [2020-09-25 09:44:03,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:03,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:03,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:44:03,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-25 09:44:03,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:44:03,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:03,967 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:44:03,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:44:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:03,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:04,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:04,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:44:04,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:04,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 09:44:04,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:04,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:04,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:04,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:04,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:04,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:04,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:44:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:04,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:04,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:04,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:04,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:04,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:04,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:04,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:04,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:04,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:04,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:04,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:04,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:44:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:04,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:04,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:04,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:04,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:04,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:44:04,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:04,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:04,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:04,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:04,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:04,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:04,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:44:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:04,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:04,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:04,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:04,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:04,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:44:04,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:04,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:04,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:04,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:04,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:04,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:04,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:44:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:04,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:04,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:04,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:04,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:04,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:04,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:04,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:04,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:04,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:04,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:04,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:44:04,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:44:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:04,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:04,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:04,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:44:04,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:04,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:44:04,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:04,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:04,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:04,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:04,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:04,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:04,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 09:44:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:04,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:04,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:04,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:44:04,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:04,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-25 09:44:04,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:04,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:04,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:44:04,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 09:44:04,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:44:04,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:04,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:04,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:04,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:04,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:44:04,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:04,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 09:44:04,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:04,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:44:04,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:44:04,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:44:04,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:04,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:04,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:04,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:04,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:44:04,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:04,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 09:44:04,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:04,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:04,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:44:04,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:04,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:44:04,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:04,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:44:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:04,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:04,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:04,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:44:04,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:04,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:44:04,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:04,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:04,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:04,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:04,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:04,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:04,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:44:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:04,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:04,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:04,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:44:04,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:04,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:04,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:04,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:04,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:04,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:44:04,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:04,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:04,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-25 09:44:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:04,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:04,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:04,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:04,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:04,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:04,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:04,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:04,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:04,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:44:04,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:04,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:44:04,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-25 09:44:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:04,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:04,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:04,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:04,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:04,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:04,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:04,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:04,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:04,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:44:04,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:04,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:44:04,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:44:04,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575101590] [2020-09-25 09:44:04,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:44:04,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:44:04,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863002082] [2020-09-25 09:44:04,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:44:04,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:44:04,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:44:04,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:44:04,592 INFO L87 Difference]: Start difference. First operand 551 states and 645 transitions. Second operand 10 states. [2020-09-25 09:44:06,157 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:06,483 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:44:06,868 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:44:07,194 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:44:07,526 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:07,798 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:44:09,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:44:09,008 INFO L93 Difference]: Finished difference Result 1191 states and 1500 transitions. [2020-09-25 09:44:09,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 09:44:09,009 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-09-25 09:44:09,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:44:09,020 INFO L225 Difference]: With dead ends: 1191 [2020-09-25 09:44:09,021 INFO L226 Difference]: Without dead ends: 750 [2020-09-25 09:44:09,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 09:44:09,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2020-09-25 09:44:09,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 573. [2020-09-25 09:44:09,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2020-09-25 09:44:09,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 667 transitions. [2020-09-25 09:44:09,154 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 667 transitions. Word has length 195 [2020-09-25 09:44:09,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:44:09,156 INFO L479 AbstractCegarLoop]: Abstraction has 573 states and 667 transitions. [2020-09-25 09:44:09,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:44:09,156 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 667 transitions. [2020-09-25 09:44:09,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-25 09:44:09,163 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:44:09,164 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:44:09,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:44:09,165 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:44:09,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:44:09,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1654065899, now seen corresponding path program 1 times [2020-09-25 09:44:09,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:44:09,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1248510820] [2020-09-25 09:44:09,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:44:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:09,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:09,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:09,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:09,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:09,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:10,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:10,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:14,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:14,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-09-25 09:44:14,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 09:44:14,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 09:44:14,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:14,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:14,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:44:14,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:44:14,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 09:44:14,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:44:14,586 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:44:14,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:44:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:14,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:14,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:14,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:44:14,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:14,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-09-25 09:44:14,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:14,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:14,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:14,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:14,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:44:14,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:14,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:44:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:14,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:14,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:14,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:14,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:14,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:44:14,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:14,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:14,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:14,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:14,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:14,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:14,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:44:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:14,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:14,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:14,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:14,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:14,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:14,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:14,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:14,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:14,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:14,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:14,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:14,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:44:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:14,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:14,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:14,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:14,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:14,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:44:14,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:14,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:14,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:14,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:14,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:14,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:14,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:44:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:14,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:14,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:14,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:14,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:14,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:14,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:14,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:14,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:14,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:14,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:14,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:14,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:44:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:14,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:14,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:14,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:44:14,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:14,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:44:14,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:14,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:14,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:14,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:14,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:44:14,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:15,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 09:44:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:15,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:15,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:15,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 09:44:15,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:15,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:44:15,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:15,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:15,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:15,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 09:44:15,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 09:44:15,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:15,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:15,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:15,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:15,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:44:15,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:15,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:44:15,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:15,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:15,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:15,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:15,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:44:15,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:15,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:15,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:15,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:15,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:15,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:15,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:15,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:15,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:15,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:15,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:15,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:15,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:15,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 09:44:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:15,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:15,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:15,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 09:44:15,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:15,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:44:15,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:15,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 09:44:15,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:15,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:44:15,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:15,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:15,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:15,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:44:15,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:15,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:15,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:15,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:15,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:15,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:15,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:15,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:15,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:15,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:15,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:15,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:15,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:15,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:15,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:15,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:15,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:15,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:15,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:15,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:15,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 09:44:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:15,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:15,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:15,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:15,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:44:15,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:44:15,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 09:44:15,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:15,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:15,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:44:15,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 09:44:15,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:44:15,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:15,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:15,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:15,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:15,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:44:15,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:15,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 09:44:15,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:15,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:15,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:44:15,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 09:44:15,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:44:15,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:15,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:15,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:15,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:15,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:44:15,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:15,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 09:44:15,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:15,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:44:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:44:15,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:44:15,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:44:15,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:44:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:15,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:15,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:15,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:44:15,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:15,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:44:15,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:15,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:15,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:44:15,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:15,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:15,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:44:15,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:44:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:15,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:15,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:15,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:44:15,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:15,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:15,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:15,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:44:15,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:15,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:15,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 09:44:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:15,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:15,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:15,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:15,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:15,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:15,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:15,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:15,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:15,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:44:15,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:15,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:15,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-25 09:44:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:15,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:15,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:15,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:15,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:15,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:15,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:15,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:44:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:15,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-25 09:44:15,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1248510820] [2020-09-25 09:44:15,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 09:44:15,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-25 09:44:15,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114667995] [2020-09-25 09:44:15,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 09:44:15,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:44:15,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 09:44:15,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 09:44:15,644 INFO L87 Difference]: Start difference. First operand 573 states and 667 transitions. Second operand 12 states. [2020-09-25 09:44:16,206 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:44:17,181 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:44:17,633 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:17,976 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:44:18,331 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:44:18,711 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:44:19,029 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:44:19,395 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:19,723 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:44:20,109 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:20,545 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:44:20,863 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:24,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:44:24,268 INFO L93 Difference]: Finished difference Result 1959 states and 2620 transitions. [2020-09-25 09:44:24,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 09:44:24,269 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 244 [2020-09-25 09:44:24,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:44:24,280 INFO L225 Difference]: With dead ends: 1959 [2020-09-25 09:44:24,280 INFO L226 Difference]: Without dead ends: 1496 [2020-09-25 09:44:24,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=285, Invalid=905, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 09:44:24,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2020-09-25 09:44:24,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 1041. [2020-09-25 09:44:24,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states. [2020-09-25 09:44:24,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1226 transitions. [2020-09-25 09:44:24,438 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1226 transitions. Word has length 244 [2020-09-25 09:44:24,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:44:24,439 INFO L479 AbstractCegarLoop]: Abstraction has 1041 states and 1226 transitions. [2020-09-25 09:44:24,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 09:44:24,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1226 transitions. [2020-09-25 09:44:24,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-09-25 09:44:24,443 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:44:24,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:44:24,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 09:44:24,444 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:44:24,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:44:24,445 INFO L82 PathProgramCache]: Analyzing trace with hash 110776353, now seen corresponding path program 1 times [2020-09-25 09:44:24,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:44:24,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499515329] [2020-09-25 09:44:24,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:44:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:24,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:25,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:25,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-09-25 09:44:25,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:25,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1273 [2020-09-25 09:44:25,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:25,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:25,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 09:44:25,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 09:44:25,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-25 09:44:25,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1