/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:10:51,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:10:51,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:10:51,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:10:51,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:10:51,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:10:51,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:10:51,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:10:51,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:10:51,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:10:51,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:10:51,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:10:51,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:10:51,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:10:51,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:10:51,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:10:51,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:10:51,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:10:51,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:10:51,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:10:51,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:10:51,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:10:51,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:10:51,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:10:51,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:10:51,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:10:51,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:10:51,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:10:51,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:10:51,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:10:51,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:10:51,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:10:51,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:10:51,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:10:51,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:10:51,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:10:51,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:10:51,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:10:51,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:10:51,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:10:51,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:10:51,950 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 [2020-09-21 11:10:51,992 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:10:51,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:10:51,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:10:51,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:10:51,995 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:10:51,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:10:51,996 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:10:51,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:10:51,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:10:51,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:10:51,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:10:51,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:10:51,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:10:51,998 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:10:51,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:10:51,999 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:10:51,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:10:51,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:10:51,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:10:52,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:10:52,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:10:52,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:10:52,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:10:52,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:10:52,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:10:52,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:10:52,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:10:52,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:10:52,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:10:52,002 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:10:52,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:10:52,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:10:52,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:10:52,458 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:10:52,458 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:10:52,459 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_productSimulator.cil.c [2020-09-21 11:10:52,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b251f8975/9906d9ffc58e4d8796b8d4c62699eb1a/FLAGfd5bc9211 [2020-09-21 11:10:53,198 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:10:53,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_productSimulator.cil.c [2020-09-21 11:10:53,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b251f8975/9906d9ffc58e4d8796b8d4c62699eb1a/FLAGfd5bc9211 [2020-09-21 11:10:53,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b251f8975/9906d9ffc58e4d8796b8d4c62699eb1a [2020-09-21 11:10:53,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:10:53,456 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:10:53,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:10:53,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:10:53,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:10:53,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:10:53" (1/1) ... [2020-09-21 11:10:53,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:53, skipping insertion in model container [2020-09-21 11:10:53,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:10:53" (1/1) ... [2020-09-21 11:10:53,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:10:53,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:10:53,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:10:54,051 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:10:54,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:10:54,224 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:10:54,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54 WrapperNode [2020-09-21 11:10:54,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:10:54,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:10:54,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:10:54,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:10:54,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (1/1) ... [2020-09-21 11:10:54,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (1/1) ... [2020-09-21 11:10:54,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (1/1) ... [2020-09-21 11:10:54,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (1/1) ... [2020-09-21 11:10:54,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (1/1) ... [2020-09-21 11:10:54,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (1/1) ... [2020-09-21 11:10:54,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (1/1) ... [2020-09-21 11:10:54,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:10:54,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:10:54,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:10:54,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:10:54,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:10:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:10:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:10:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:10:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:10:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:10:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:10:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:10:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:10:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:10:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:10:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:10:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:10:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:10:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:10:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:10:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:10:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-21 11:10:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-21 11:10:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-21 11:10:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-21 11:10:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-21 11:10:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-21 11:10:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:10:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-21 11:10:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-21 11:10:54,453 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:10:54,453 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:10:54,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:10:54,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:10:54,453 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:10:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:10:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:10:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:10:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:10:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:10:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:10:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:10:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:10:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-21 11:10:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:10:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:10:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:10:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:10:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:10:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:10:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:10:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:10:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:10:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:10:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:10:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:10:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:10:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:10:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:10:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:10:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:10:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:10:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:10:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:10:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:10:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:10:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:10:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:10:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:10:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:10:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:10:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:10:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:10:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:10:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:10:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:10:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:10:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:10:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:10:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:10:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:10:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:10:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:10:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:10:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:10:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:10:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:10:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:10:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:10:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:10:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:10:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:10:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:10:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:10:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:10:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:10:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-21 11:10:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:10:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-21 11:10:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:10:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-21 11:10:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-21 11:10:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:10:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-21 11:10:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-21 11:10:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:10:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-21 11:10:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-21 11:10:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-21 11:10:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:10:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:10:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:10:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:10:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:10:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:10:55,741 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:10:55,741 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:10:55,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:10:55 BoogieIcfgContainer [2020-09-21 11:10:55,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:10:55,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:10:55,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:10:55,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:10:55,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:10:53" (1/3) ... [2020-09-21 11:10:55,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9d474e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:10:55, skipping insertion in model container [2020-09-21 11:10:55,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (2/3) ... [2020-09-21 11:10:55,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9d474e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:10:55, skipping insertion in model container [2020-09-21 11:10:55,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:10:55" (3/3) ... [2020-09-21 11:10:55,758 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2020-09-21 11:10:55,771 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:10:55,782 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:10:55,806 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:10:55,840 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:10:55,841 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:10:55,841 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:10:55,841 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:10:55,841 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:10:55,841 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:10:55,842 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:10:55,842 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:10:55,872 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states. [2020-09-21 11:10:55,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-09-21 11:10:55,887 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:55,889 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:10:55,889 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:55,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:55,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1384301403, now seen corresponding path program 1 times [2020-09-21 11:10:55,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:55,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386881811] [2020-09-21 11:10:55,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:56,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:56,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:56,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:56,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:56,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-21 11:10:56,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:56,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:10:56,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:56,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:56,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-21 11:10:56,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:56,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:56,956 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-21 11:10:56,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:56,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:56,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:56,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:56,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:56,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:56,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:56,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:56,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:56,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:56,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:56,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:56,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:57,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:57,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:57,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:57,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:57,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:57,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:57,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:57,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:57,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:57,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:57,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:57,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:57,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:57,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:10:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:57,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:57,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:57,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:57,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:57,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:10:57,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:57,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:57,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:57,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:57,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:57,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:57,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:57,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:57,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:57,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:57,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:57,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:57,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:57,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:57,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:57,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:57,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:57,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:57,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:57,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:57,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:57,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:57,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:57,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:57,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:57,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:57,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:57,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:57,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:57,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:57,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:57,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:57,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:57,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:10:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:57,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:57,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:57,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:57,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:57,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:57,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:57,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:57,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:57,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:57,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:10:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:57,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:57,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:57,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:57,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:57,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:57,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:57,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:57,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:57,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:57,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:57,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:57,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:57,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:10:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:57,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:57,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:57,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:57,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:57,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:57,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:57,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:57,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:57,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:57,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:10:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:57,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:57,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:57,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:57,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:57,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:57,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:57,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:57,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:57,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:57,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:57,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:57,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:57,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:10:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:57,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:57,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:57,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:57,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:57,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:57,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:57,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:57,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:57,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:57,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:10:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:57,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:57,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:57,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:57,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:57,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:57,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:57,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:57,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:57,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:57,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:57,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:57,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:57,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:10:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:57,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:57,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:57,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:57,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:57,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:57,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:57,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:57,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:57,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:57,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:57,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:57,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:57,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 11:10:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:57,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:57,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:57,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:57,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:57,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:57,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:57,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:57,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:57,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:57,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:57,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:57,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:57,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 11:10:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:57,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:57,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:57,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:57,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:57,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:57,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:57,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:57,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:57,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:57,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:57,181 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:10:57,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386881811] [2020-09-21 11:10:57,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:57,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:10:57,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090660061] [2020-09-21 11:10:57,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:10:57,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:57,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:10:57,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:10:57,221 INFO L87 Difference]: Start difference. First operand 248 states. Second operand 5 states. [2020-09-21 11:10:59,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:59,603 INFO L93 Difference]: Finished difference Result 448 states and 591 transitions. [2020-09-21 11:10:59,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:10:59,606 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2020-09-21 11:10:59,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:59,626 INFO L225 Difference]: With dead ends: 448 [2020-09-21 11:10:59,626 INFO L226 Difference]: Without dead ends: 254 [2020-09-21 11:10:59,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:10:59,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-09-21 11:10:59,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 205. [2020-09-21 11:10:59,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-09-21 11:10:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 252 transitions. [2020-09-21 11:10:59,754 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 252 transitions. Word has length 84 [2020-09-21 11:10:59,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:59,755 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 252 transitions. [2020-09-21 11:10:59,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:10:59,756 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 252 transitions. [2020-09-21 11:10:59,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-21 11:10:59,762 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:59,762 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:10:59,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:10:59,762 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:59,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:59,763 INFO L82 PathProgramCache]: Analyzing trace with hash 435784209, now seen corresponding path program 1 times [2020-09-21 11:10:59,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:59,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [725908976] [2020-09-21 11:10:59,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:59,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:59,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:59,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:59,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:59,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:10:59,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:59,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:10:59,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-21 11:10:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:10:59,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,265 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-21 11:11:00,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:11:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:11:00,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:11:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:11:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:11:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:11:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:11:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:11:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:00,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-21 11:11:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:00,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-21 11:11:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:11:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:11:00,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [725908976] [2020-09-21 11:11:00,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:00,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:11:00,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535922764] [2020-09-21 11:11:00,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:11:00,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:00,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:11:00,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:11:00,443 INFO L87 Difference]: Start difference. First operand 205 states and 252 transitions. Second operand 6 states. [2020-09-21 11:11:01,316 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:11:03,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:03,378 INFO L93 Difference]: Finished difference Result 372 states and 469 transitions. [2020-09-21 11:11:03,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:11:03,379 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2020-09-21 11:11:03,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:03,384 INFO L225 Difference]: With dead ends: 372 [2020-09-21 11:11:03,384 INFO L226 Difference]: Without dead ends: 238 [2020-09-21 11:11:03,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:11:03,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-09-21 11:11:03,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 196. [2020-09-21 11:11:03,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-09-21 11:11:03,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 240 transitions. [2020-09-21 11:11:03,439 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 240 transitions. Word has length 85 [2020-09-21 11:11:03,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:03,439 INFO L479 AbstractCegarLoop]: Abstraction has 196 states and 240 transitions. [2020-09-21 11:11:03,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:11:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 240 transitions. [2020-09-21 11:11:03,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-21 11:11:03,443 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:03,444 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:03,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:11:03,444 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:03,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:03,445 INFO L82 PathProgramCache]: Analyzing trace with hash 681264365, now seen corresponding path program 1 times [2020-09-21 11:11:03,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:03,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1955304386] [2020-09-21 11:11:03,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:03,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:11:03,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:03,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:03,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:03,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-21 11:11:03,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:03,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 393 [2020-09-21 11:11:03,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:11:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:11:03,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,418 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-21 11:11:04,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-21 11:11:04,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:04,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:04,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:04,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:04,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:04,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:04,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:11:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:11:04,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:04,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:04,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:11:04,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:11:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:11:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:11:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:04,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:11:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:04,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:11:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:04,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:04,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:04,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:04,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:11:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:04,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:04,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:04,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:04,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 11:11:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:04,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:04,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 11:11:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:04,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:04,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:11:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:04,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:04,717 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:11:04,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1955304386] [2020-09-21 11:11:04,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:04,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:11:04,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183771330] [2020-09-21 11:11:04,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:11:04,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:04,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:11:04,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:11:04,720 INFO L87 Difference]: Start difference. First operand 196 states and 240 transitions. Second operand 7 states. [2020-09-21 11:11:05,195 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-21 11:11:06,396 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:11:09,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:09,828 INFO L93 Difference]: Finished difference Result 643 states and 818 transitions. [2020-09-21 11:11:09,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:11:09,829 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-09-21 11:11:09,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:09,836 INFO L225 Difference]: With dead ends: 643 [2020-09-21 11:11:09,836 INFO L226 Difference]: Without dead ends: 488 [2020-09-21 11:11:09,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:11:09,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-09-21 11:11:09,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 397. [2020-09-21 11:11:09,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-09-21 11:11:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 497 transitions. [2020-09-21 11:11:09,955 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 497 transitions. Word has length 90 [2020-09-21 11:11:09,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:09,956 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 497 transitions. [2020-09-21 11:11:09,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:11:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 497 transitions. [2020-09-21 11:11:09,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-09-21 11:11:09,961 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:09,961 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:09,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:11:09,962 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:09,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:09,962 INFO L82 PathProgramCache]: Analyzing trace with hash -326319286, now seen corresponding path program 1 times [2020-09-21 11:11:09,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:09,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638113011] [2020-09-21 11:11:09,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:10,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:10,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:10,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:10,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:10,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-21 11:11:10,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:10,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 473 [2020-09-21 11:11:10,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:10,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:11:10,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:10,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-09-21 11:11:10,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:10,941 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-21 11:11:10,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:11:11,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:11,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:11,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:11,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:11,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:11,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:11:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:11:11,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:11,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:11:11,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:11,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:11,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:11,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:11,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:11,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:11,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:11,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:11:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:11,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:11,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:11,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:11:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:11,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:11,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:11,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:11:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:11,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:11,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:11,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:11:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:11,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:11,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:11,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:11:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:11,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:11,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:11,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:11:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:11,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:11,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:11,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:11,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 11:11:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:11:11,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:11,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:11:11,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:11,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 11:11:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:11,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:11,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:11:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:11,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:11,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:11,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:11,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:11:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:11,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:11,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:11,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:11,266 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:11:11,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638113011] [2020-09-21 11:11:11,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:11,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:11:11,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864799084] [2020-09-21 11:11:11,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:11:11,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:11,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:11:11,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:11:11,269 INFO L87 Difference]: Start difference. First operand 397 states and 497 transitions. Second operand 10 states. [2020-09-21 11:11:11,971 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-21 11:11:14,543 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-21 11:11:15,104 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-21 11:11:15,570 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-21 11:11:16,011 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-21 11:11:18,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:18,227 INFO L93 Difference]: Finished difference Result 1234 states and 1653 transitions. [2020-09-21 11:11:18,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:11:18,228 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-09-21 11:11:18,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:18,235 INFO L225 Difference]: With dead ends: 1234 [2020-09-21 11:11:18,235 INFO L226 Difference]: Without dead ends: 878 [2020-09-21 11:11:18,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2020-09-21 11:11:18,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2020-09-21 11:11:18,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 778. [2020-09-21 11:11:18,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 778 states. [2020-09-21 11:11:18,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 987 transitions. [2020-09-21 11:11:18,408 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 987 transitions. Word has length 96 [2020-09-21 11:11:18,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:18,409 INFO L479 AbstractCegarLoop]: Abstraction has 778 states and 987 transitions. [2020-09-21 11:11:18,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:11:18,409 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 987 transitions. [2020-09-21 11:11:18,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-09-21 11:11:18,414 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:18,414 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:18,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:11:18,414 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:18,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:18,415 INFO L82 PathProgramCache]: Analyzing trace with hash -950611836, now seen corresponding path program 1 times [2020-09-21 11:11:18,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:18,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344825435] [2020-09-21 11:11:18,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 11:11:18,498 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 11:11:18,498 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 11:11:18,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:11:18,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:11:18 BoogieIcfgContainer [2020-09-21 11:11:18,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:11:18,536 INFO L168 Benchmark]: Toolchain (without parser) took 25082.18 ms. Allocated memory was 141.0 MB in the beginning and 621.3 MB in the end (delta: 480.2 MB). Free memory was 103.0 MB in the beginning and 408.3 MB in the end (delta: -305.3 MB). Peak memory consumption was 175.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:18,537 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:11:18,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.99 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 102.3 MB in the beginning and 171.4 MB in the end (delta: -69.1 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:18,538 INFO L168 Benchmark]: Boogie Preprocessor took 99.39 ms. Allocated memory is still 205.5 MB. Free memory was 171.4 MB in the beginning and 167.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:18,539 INFO L168 Benchmark]: RCFGBuilder took 1423.06 ms. Allocated memory was 205.5 MB in the beginning and 237.0 MB in the end (delta: 31.5 MB). Free memory was 167.3 MB in the beginning and 181.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:18,540 INFO L168 Benchmark]: TraceAbstraction took 22784.15 ms. Allocated memory was 237.0 MB in the beginning and 621.3 MB in the end (delta: 384.3 MB). Free memory was 181.9 MB in the beginning and 408.3 MB in the end (delta: -226.4 MB). Peak memory consumption was 157.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:18,544 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 765.99 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 102.3 MB in the beginning and 171.4 MB in the end (delta: -69.1 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.39 ms. Allocated memory is still 205.5 MB. Free memory was 171.4 MB in the beginning and 167.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1423.06 ms. Allocated memory was 205.5 MB in the beginning and 237.0 MB in the end (delta: 31.5 MB). Free memory was 167.3 MB in the beginning and 181.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22784.15 ms. Allocated memory was 237.0 MB in the beginning and 621.3 MB in the end (delta: 384.3 MB). Free memory was 181.9 MB in the beginning and 408.3 MB in the end (delta: -226.4 MB). Peak memory consumption was 157.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1022]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L406] int cleanupTimeShifts = 4; [L510] int __SELECTED_FEATURE_base ; [L511] int __SELECTED_FEATURE_highWaterSensor ; [L512] int __SELECTED_FEATURE_lowWaterSensor ; [L513] int __SELECTED_FEATURE_methaneQuery ; [L514] int __SELECTED_FEATURE_methaneAlarm ; [L515] int __SELECTED_FEATURE_stopCommand ; [L516] int __SELECTED_FEATURE_startCommand ; [L517] int __GUIDSL_ROOT_PRODUCTION ; [L605] int pumpRunning = 0; [L606] int systemActive = 1; [L1027] int waterLevel = 1; [L1028] int methaneLevelCritical = 0; [L487] int retValue_acc ; [L488] int tmp ; [L492] CALL select_helpers() [L968] __GUIDSL_ROOT_PRODUCTION = 1 [L492] RET select_helpers() [L493] CALL select_features() [L953] __SELECTED_FEATURE_base = 1 [L954] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L954] RET, EXPR select_one() [L954] __SELECTED_FEATURE_highWaterSensor = select_one() [L955] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L955] RET, EXPR select_one() [L955] __SELECTED_FEATURE_lowWaterSensor = select_one() [L956] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L956] RET, EXPR select_one() [L956] __SELECTED_FEATURE_methaneQuery = select_one() [L957] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L957] RET, EXPR select_one() [L957] __SELECTED_FEATURE_methaneAlarm = select_one() [L958] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L958] RET, EXPR select_one() [L958] __SELECTED_FEATURE_stopCommand = select_one() [L959] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L959] RET, EXPR select_one() [L959] __SELECTED_FEATURE_startCommand = select_one() [L493] RET select_features() [L494] CALL, EXPR valid_product() [L973] int retValue_acc ; [L976] retValue_acc = __SELECTED_FEATURE_base [L977] return (retValue_acc); [L494] RET, EXPR valid_product() [L494] tmp = valid_product() [L496] COND TRUE \read(tmp) [L498] FCALL setup() [L499] CALL runTest() [L478] CALL test() [L521] int splverifierCounter ; [L522] int tmp ; [L523] int tmp___0 ; [L524] int tmp___1 ; [L525] int tmp___2 ; [L528] splverifierCounter = 0 [L530] COND TRUE 1 [L532] COND TRUE splverifierCounter < 4 [L538] tmp = __VERIFIER_nondet_int() [L540] COND TRUE \read(tmp) [L542] CALL waterRise() [L1045] COND TRUE waterLevel < 2 [L1046] waterLevel = waterLevel + 1 [L542] RET waterRise() [L548] tmp___0 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___0)) [L558] tmp___2 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___2)) [L570] tmp___1 = __VERIFIER_nondet_int() [L572] COND TRUE \read(tmp___1) [L573] COND TRUE \read(__SELECTED_FEATURE_stopCommand) [L575] CALL stopSystem() [L917] COND FALSE !(\read(pumpRunning)) [L924] systemActive = 0 [L575] RET stopSystem() [L585] CALL timeShift() [L613] COND FALSE !(\read(pumpRunning)) [L620] COND FALSE !(\read(systemActive)) [L628] CALL __utac_acc__Specification3_spec__1() [L985] int tmp ; [L986] int tmp___0 ; [L987] int tmp___1 ; [L991] CALL, EXPR isMethaneLevelCritical() [L1066] int retValue_acc ; [L1069] retValue_acc = methaneLevelCritical [L1070] return (retValue_acc); [L991] RET, EXPR isMethaneLevelCritical() [L991] tmp = isMethaneLevelCritical() [L993] COND FALSE !(\read(tmp)) [L997] CALL, EXPR getWaterLevel() [L1098] int retValue_acc ; [L1101] retValue_acc = waterLevel [L1102] return (retValue_acc); [L997] RET, EXPR getWaterLevel() [L997] tmp___0 = getWaterLevel() [L999] COND TRUE tmp___0 == 2 [L1001] CALL, EXPR isPumpRunning() [L831] int retValue_acc ; [L834] retValue_acc = pumpRunning [L835] return (retValue_acc); [L1001] RET, EXPR isPumpRunning() [L1001] tmp___1 = isPumpRunning() [L1003] COND FALSE !(\read(tmp___1)) [L1007] CALL __automaton_fail() [L1022] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 301 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 22.6s, OverallIterations: 5, TraceHistogramMax: 6, AutomataDifference: 17.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 687 SDtfs, 1925 SDslu, 239 SDs, 0 SdLazy, 2690 SolverSat, 1578 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=778occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 282 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 455 NumberOfCodeBlocks, 455 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 351 ConstructedInterpolants, 0 QuantifiedInterpolants, 125164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 180/180 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...