/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:03:25,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:03:25,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:03:26,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:03:26,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:03:26,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:03:26,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:03:26,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:03:26,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:03:26,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:03:26,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:03:26,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:03:26,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:03:26,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:03:26,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:03:26,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:03:26,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:03:26,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:03:26,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:03:26,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:03:26,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:03:26,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:03:26,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:03:26,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:03:26,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:03:26,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:03:26,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:03:26,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:03:26,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:03:26,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:03:26,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:03:26,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:03:26,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:03:26,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:03:26,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:03:26,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:03:26,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:03:26,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:03:26,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:03:26,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:03:26,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:03:26,072 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 13:03:26,126 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:03:26,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:03:26,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:03:26,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:03:26,128 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:03:26,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:03:26,129 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:03:26,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:03:26,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:03:26,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:03:26,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:03:26,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:03:26,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:03:26,131 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:03:26,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:03:26,133 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:03:26,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:03:26,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:03:26,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:03:26,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:03:26,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:03:26,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:03:26,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:03:26,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:03:26,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:03:26,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:03:26,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:03:26,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:03:26,136 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:03:26,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:03:27,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:03:27,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:03:27,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:03:27,112 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:03:27,113 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:03:27,120 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c [2020-09-25 13:03:27,202 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6f0637949/31afc0c03fb840c5b3b9ab409ce87be3/FLAGe768b6ee5 [2020-09-25 13:03:27,795 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:03:27,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c [2020-09-25 13:03:27,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6f0637949/31afc0c03fb840c5b3b9ab409ce87be3/FLAGe768b6ee5 [2020-09-25 13:03:28,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6f0637949/31afc0c03fb840c5b3b9ab409ce87be3 [2020-09-25 13:03:28,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:03:28,105 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:03:28,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:03:28,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:03:28,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:03:28,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:03:28" (1/1) ... [2020-09-25 13:03:28,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357d93df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28, skipping insertion in model container [2020-09-25 13:03:28,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:03:28" (1/1) ... [2020-09-25 13:03:28,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:03:28,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:03:28,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:03:28,658 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:03:28,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:03:28,852 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:03:28,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28 WrapperNode [2020-09-25 13:03:28,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:03:28,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:03:28,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:03:28,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:03:28,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ... [2020-09-25 13:03:28,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ... [2020-09-25 13:03:28,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ... [2020-09-25 13:03:28,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ... [2020-09-25 13:03:28,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ... [2020-09-25 13:03:28,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ... [2020-09-25 13:03:28,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ... [2020-09-25 13:03:28,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:03:28,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:03:28,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:03:28,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:03:28,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:03:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:03:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:03:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:03:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:03:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:03:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:03:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:03:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:03:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:03:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:03:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:03:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:03:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:03:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:03:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:03:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:03:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:03:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:03:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 13:03:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:03:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:03:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:03:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:03:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:03:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:03:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:03:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:03:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:03:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:03:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:03:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:03:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:03:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:03:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:03:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:03:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 13:03:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:03:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:03:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:03:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:03:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:03:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:03:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:03:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:03:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:03:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:03:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:03:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:03:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:03:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:03:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:03:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:03:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:03:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:03:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:03:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:03:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:03:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:03:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:03:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:03:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:03:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:03:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:03:29,065 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:03:29,065 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:03:29,065 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:03:29,065 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:03:29,066 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:03:29,066 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:03:29,066 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:03:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:03:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:03:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:03:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 13:03:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:03:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:03:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:03:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 13:03:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:03:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:03:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:03:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:03:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:03:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:03:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:03:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:03:30,262 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:03:30,262 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:03:30,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:03:30 BoogieIcfgContainer [2020-09-25 13:03:30,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:03:30,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:03:30,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:03:30,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:03:30,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:03:28" (1/3) ... [2020-09-25 13:03:30,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d11bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:03:30, skipping insertion in model container [2020-09-25 13:03:30,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (2/3) ... [2020-09-25 13:03:30,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d11bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:03:30, skipping insertion in model container [2020-09-25 13:03:30,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:03:30" (3/3) ... [2020-09-25 13:03:30,293 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2020-09-25 13:03:30,306 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:03:30,319 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:03:30,341 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:03:30,374 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:03:30,375 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:03:30,375 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:03:30,375 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:03:30,375 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:03:30,375 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:03:30,376 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:03:30,376 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:03:30,406 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states. [2020-09-25 13:03:30,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 13:03:30,425 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:03:30,426 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 13:03:30,427 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:03:30,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:03:30,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1626039938, now seen corresponding path program 1 times [2020-09-25 13:03:30,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:03:30,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1066103433] [2020-09-25 13:03:30,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:03:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:30,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:31,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:32,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:33,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:35,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:35,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 13:03:35,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:03:35,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5065 [2020-09-25 13:03:35,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:35,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:35,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:03:35,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:03:35,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-25 13:03:35,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 13:03:36,384 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:03:36,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:03:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:36,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:36,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:36,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:03:36,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:36,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-09-25 13:03:36,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:36,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:03:36,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:36,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:03:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:36,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:36,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:36,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:03:36,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:36,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:03:36,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:36,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:36,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:36,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:36,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:03:36,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:36,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:03:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:36,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:36,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:36,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:03:36,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:36,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:03:36,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:36,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:36,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:36,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:36,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:03:36,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:36,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:03:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:36,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:36,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:36,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:03:36,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:36,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:03:36,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:36,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:36,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:36,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:36,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:03:36,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:36,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:03:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:36,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:36,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:36,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:03:36,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:36,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:03:36,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:36,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:36,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:36,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:36,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:03:36,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:36,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:03:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:36,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:36,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:36,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:03:36,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:36,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 13:03:36,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:36,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:36,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:03:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:03:36,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:03:36,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 13:03:36,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 13:03:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:36,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:36,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:36,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:03:36,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:36,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:03:36,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:36,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:03:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:03:36,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:03:36,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:36,980 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 13:03:36,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1066103433] [2020-09-25 13:03:36,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:03:36,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:03:36,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45173219] [2020-09-25 13:03:36,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:03:36,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:03:37,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:03:37,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:03:37,014 INFO L87 Difference]: Start difference. First operand 268 states. Second operand 5 states. [2020-09-25 13:03:37,706 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:03:38,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:03:38,717 INFO L93 Difference]: Finished difference Result 400 states and 481 transitions. [2020-09-25 13:03:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 13:03:38,719 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-09-25 13:03:38,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:03:38,741 INFO L225 Difference]: With dead ends: 400 [2020-09-25 13:03:38,742 INFO L226 Difference]: Without dead ends: 257 [2020-09-25 13:03:38,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:03:38,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-09-25 13:03:38,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 217. [2020-09-25 13:03:38,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-09-25 13:03:38,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 233 transitions. [2020-09-25 13:03:38,859 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 233 transitions. Word has length 142 [2020-09-25 13:03:38,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:03:38,860 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 233 transitions. [2020-09-25 13:03:38,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:03:38,862 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 233 transitions. [2020-09-25 13:03:38,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 13:03:38,873 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:03:38,873 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] [2020-09-25 13:03:38,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:03:38,874 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:03:38,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:03:38,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1540164861, now seen corresponding path program 1 times [2020-09-25 13:03:38,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:03:38,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [360393936] [2020-09-25 13:03:38,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:03:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:39,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:39,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:40,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:40,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:43,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:43,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 13:03:43,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:03:43,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 13:03:43,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:43,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:43,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:03:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 13:03:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-25 13:03:43,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:44,326 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:03:44,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:03:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:44,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:44,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:44,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:03:44,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:44,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-09-25 13:03:44,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:44,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:44,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:44,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:44,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 13:03:44,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:44,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:03:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:44,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:44,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:44,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:03:44,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:44,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:03:44,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:44,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:44,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:03:44,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:44,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:03:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:44,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:44,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:44,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:03:44,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:44,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:03:44,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:44,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:44,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:44,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:44,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:03:44,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:03:44,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:03:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:44,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:44,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:44,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:03:44,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:44,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:03:44,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:44,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:44,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:44,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:44,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:03:44,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:44,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:03:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:44,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:44,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:44,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:03:44,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:44,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:03:44,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:44,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:03:44,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:44,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 13:03:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:44,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:44,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:44,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:03:44,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:44,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:03:44,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:44,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 13:03:44,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:44,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:03:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:44,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:44,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:44,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:03:44,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:44,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:03:44,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:44,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:03:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:03:44,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:44,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:03:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:44,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:44,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:44,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:03:44,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:44,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:03:44,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:44,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:44,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:03:44,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:44,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:03:44,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 13:03:44,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 13:03:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:44,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:44,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:44,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:03:44,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:44,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:03:44,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:44,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:44,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:03:44,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:03:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:03:44,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:44,847 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 13:03:44,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [360393936] [2020-09-25 13:03:44,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:03:44,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 13:03:44,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378648480] [2020-09-25 13:03:44,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 13:03:44,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:03:44,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 13:03:44,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 13:03:44,853 INFO L87 Difference]: Start difference. First operand 217 states and 233 transitions. Second operand 9 states. [2020-09-25 13:03:45,374 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:03:46,439 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:03:46,806 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:03:47,544 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:03:47,885 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:03:48,457 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:03:48,786 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:03:49,093 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:03:49,681 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:03:50,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:03:50,406 INFO L93 Difference]: Finished difference Result 539 states and 668 transitions. [2020-09-25 13:03:50,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 13:03:50,408 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-09-25 13:03:50,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:03:50,415 INFO L225 Difference]: With dead ends: 539 [2020-09-25 13:03:50,415 INFO L226 Difference]: Without dead ends: 408 [2020-09-25 13:03:50,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 13:03:50,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-09-25 13:03:50,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 299. [2020-09-25 13:03:50,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-09-25 13:03:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 327 transitions. [2020-09-25 13:03:50,484 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 327 transitions. Word has length 151 [2020-09-25 13:03:50,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:03:50,485 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 327 transitions. [2020-09-25 13:03:50,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 13:03:50,485 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 327 transitions. [2020-09-25 13:03:50,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-25 13:03:50,489 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:03:50,490 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] [2020-09-25 13:03:50,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:03:50,490 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:03:50,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:03:50,490 INFO L82 PathProgramCache]: Analyzing trace with hash -508009834, now seen corresponding path program 1 times [2020-09-25 13:03:50,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:03:50,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478134132] [2020-09-25 13:03:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:03:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:50,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:50,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:51,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:54,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:54,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-25 13:03:54,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:03:54,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3614 [2020-09-25 13:03:54,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:54,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:54,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 13:03:54,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 13:03:54,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-25 13:03:54,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:54,559 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:03:54,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:03:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:54,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:54,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:54,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:03:54,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:54,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-09-25 13:03:54,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:54,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:54,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:54,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:54,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 13:03:54,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:54,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:03:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:54,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:54,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:54,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:03:54,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:54,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:03:54,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:54,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:54,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:54,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:54,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:03:54,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:54,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:03:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:54,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:54,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:54,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:03:54,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:54,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:03:54,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:54,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:54,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:54,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:54,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:03:54,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:54,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:03:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:54,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:54,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:54,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:03:54,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:54,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:03:54,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:54,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:54,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:54,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:54,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:03:54,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:03:54,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:03:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:54,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:54,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:54,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:03:54,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:54,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:03:54,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:54,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:54,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:54,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:54,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:03:54,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:03:54,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:03:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:54,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:54,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:54,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:03:54,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:54,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:03:54,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:54,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:54,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:54,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:54,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:03:54,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:54,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:03:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:54,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:54,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:54,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:03:54,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:54,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:03:54,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:54,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:54,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:54,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:03:54,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:54,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 13:03:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:54,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:54,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:54,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:54,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:03:54,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:03:54,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:03:54,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:54,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:54,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:03:54,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:03:54,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:03:54,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:54,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:03:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:54,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:54,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:54,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:03:54,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:54,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:03:54,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:54,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:55,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:55,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:55,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:03:55,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:55,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 13:03:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:55,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:55,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:55,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:03:55,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:55,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:03:55,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:55,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:55,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:03:55,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:55,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:03:55,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:55,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 13:03:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:03:55,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:03:55,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:03:55,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:03:55,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:03:55,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:03:55,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:03:55,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:03:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:03:55,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:03:55,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:03:55,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:03:55,153 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 13:03:55,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478134132] [2020-09-25 13:03:55,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:03:55,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 13:03:55,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316332698] [2020-09-25 13:03:55,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 13:03:55,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:03:55,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 13:03:55,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:03:55,159 INFO L87 Difference]: Start difference. First operand 299 states and 327 transitions. Second operand 11 states. [2020-09-25 13:03:55,794 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:03:57,074 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:03:57,462 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:03:57,808 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:03:58,149 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:03:58,469 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:03:58,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:03:58,897 INFO L93 Difference]: Finished difference Result 556 states and 663 transitions. [2020-09-25 13:03:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 13:03:58,897 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 169 [2020-09-25 13:03:58,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:03:58,899 INFO L225 Difference]: With dead ends: 556 [2020-09-25 13:03:58,899 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 13:03:58,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2020-09-25 13:03:58,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 13:03:58,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 13:03:58,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 13:03:58,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 13:03:58,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2020-09-25 13:03:58,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:03:58,905 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 13:03:58,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 13:03:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 13:03:58,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 13:03:58,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:03:58,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 13:03:59,131 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:03:59,309 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:03:59,481 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:03:59,659 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:03:59,825 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:03:59,987 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:00,288 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9 [2020-09-25 13:04:00,453 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:00,611 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:00,761 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:00,922 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:01,088 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:01,248 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:01,408 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:01,548 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:04:01,706 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:01,865 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:02,024 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:02,201 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:02,360 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:02,521 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:02,670 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:02,819 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:02,967 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:03,116 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:03,270 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:03,425 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:03,578 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:03,732 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:03,889 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:04,038 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:04,196 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:04,354 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:04,512 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:04,660 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:04,818 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:04,965 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:05,123 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:05,281 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:05,442 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:05,601 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:05,758 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:05,906 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:06,064 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:06,211 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:06,377 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:06,536 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:06,793 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9 [2020-09-25 13:04:07,336 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 13:04:07,687 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 13:04:08,072 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 13:04:08,332 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 13:04:08,594 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 13:04:08,855 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 13:04:09,115 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 13:04:09,465 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 13:04:09,818 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 13:04:10,171 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 13:04:10,520 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 13:04:11,058 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:11,215 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:11,374 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:11,539 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:11,687 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:11,842 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:12,002 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:12,244 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 14 [2020-09-25 13:04:12,402 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:12,939 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 13:04:13,290 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 13:04:13,397 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 8 [2020-09-25 13:04:13,646 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9 [2020-09-25 13:04:13,795 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:13,963 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:14,115 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:14,267 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:14,420 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:14,575 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:14,728 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:14,875 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:15,023 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:15,175 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:15,325 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:15,481 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:15,730 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9 [2020-09-25 13:04:16,069 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 13:04:16,409 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 13:04:16,750 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 13:04:17,089 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 13:04:17,430 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 13:04:17,680 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 13:04:17,932 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 13:04:18,183 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 13:04:18,433 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 13:04:19,054 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9 [2020-09-25 13:04:19,211 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:19,364 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:19,516 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:19,667 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:19,814 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:19,967 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:20,124 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:20,272 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:20,429 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:20,846 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-09-25 13:04:21,077 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-25 13:04:21,321 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-25 13:04:21,741 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-09-25 13:04:22,008 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:04:22,251 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-25 13:04:22,760 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-25 13:04:23,022 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25