/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:20:28,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:20:28,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:20:28,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:20:28,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:20:28,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:20:28,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:20:28,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:20:28,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:20:28,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:20:28,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:20:28,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:20:28,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:20:28,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:20:28,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:20:28,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:20:28,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:20:28,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:20:28,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:20:28,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:20:28,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:20:28,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:20:28,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:20:28,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:20:28,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:20:28,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:20:28,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:20:28,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:20:28,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:20:28,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:20:28,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:20:28,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:20:28,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:20:28,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:20:28,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:20:28,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:20:28,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:20:28,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:20:28,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:20:28,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:20:28,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:20:28,957 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 20:20:28,982 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:20:28,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:20:28,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:20:28,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:20:28,984 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:20:28,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:20:28,984 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:20:28,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:20:28,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:20:28,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:20:28,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:20:28,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:20:28,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:20:28,986 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:20:28,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:20:28,986 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:20:28,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:20:28,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:20:28,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:20:28,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:20:28,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:20:28,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:20:28,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:20:28,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:20:28,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:20:28,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:20:28,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:20:28,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:20:28,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:20:28,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-09-24 20:20:29,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:20:29,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:20:29,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:20:29,486 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:20:29,487 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:20:29,488 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-09-24 20:20:29,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/978e06533/58edc52d65de4cabacc67b6634009f96/FLAG9cf6338e3 [2020-09-24 20:20:30,266 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:20:30,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-09-24 20:20:30,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/978e06533/58edc52d65de4cabacc67b6634009f96/FLAG9cf6338e3 [2020-09-24 20:20:30,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/978e06533/58edc52d65de4cabacc67b6634009f96 [2020-09-24 20:20:30,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:20:30,507 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:20:30,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:20:30,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:20:30,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:20:30,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:20:30" (1/1) ... [2020-09-24 20:20:30,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a11bedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:30, skipping insertion in model container [2020-09-24 20:20:30,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:20:30" (1/1) ... [2020-09-24 20:20:30,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:20:30,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:20:31,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:20:31,038 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:20:31,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:20:31,218 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:20:31,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:31 WrapperNode [2020-09-24 20:20:31,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:20:31,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:20:31,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:20:31,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:20:31,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:31" (1/1) ... [2020-09-24 20:20:31,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:31" (1/1) ... [2020-09-24 20:20:31,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:31" (1/1) ... [2020-09-24 20:20:31,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:31" (1/1) ... [2020-09-24 20:20:31,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:31" (1/1) ... [2020-09-24 20:20:31,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:31" (1/1) ... [2020-09-24 20:20:31,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:31" (1/1) ... [2020-09-24 20:20:31,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:20:31,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:20:31,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:20:31,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:20:31,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:20:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:20:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:20:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:20:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:20:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:20:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:20:31,448 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:20:31,448 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:20:31,449 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:20:31,449 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:20:31,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:20:31,449 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:20:31,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:20:31,450 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:20:31,450 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:20:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:20:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:20:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:20:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:20:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 20:20:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 20:20:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:20:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:20:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:20:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:20:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:20:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:20:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 20:20:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 20:20:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 20:20:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:20:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:20:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 20:20:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 20:20:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:20:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 20:20:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:20:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:20:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:20:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:20:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:20:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 20:20:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 20:20:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:20:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:20:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:20:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:20:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:20:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:20:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:20:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:20:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:20:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:20:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:20:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:20:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:20:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:20:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:20:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 20:20:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:20:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:20:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:20:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:20:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:20:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:20:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:20:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 20:20:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 20:20:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:20:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:20:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:20:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:20:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:20:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:20:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:20:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:20:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:20:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:20:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:20:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:20:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:20:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:20:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:20:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:20:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:20:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:20:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 20:20:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 20:20:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:20:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:20:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:20:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 20:20:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 20:20:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 20:20:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 20:20:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 20:20:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:20:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:20:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:20:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:20:32,797 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:20:32,797 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:20:32,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:20:32 BoogieIcfgContainer [2020-09-24 20:20:32,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:20:32,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:20:32,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:20:32,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:20:32,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:20:30" (1/3) ... [2020-09-24 20:20:32,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366c5d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:20:32, skipping insertion in model container [2020-09-24 20:20:32,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:31" (2/3) ... [2020-09-24 20:20:32,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366c5d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:20:32, skipping insertion in model container [2020-09-24 20:20:32,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:20:32" (3/3) ... [2020-09-24 20:20:32,815 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2020-09-24 20:20:32,826 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:20:32,838 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:20:32,861 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:20:32,898 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:20:32,898 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:20:32,898 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:20:32,899 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:20:32,899 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:20:32,899 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:20:32,899 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:20:32,899 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:20:32,932 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states. [2020-09-24 20:20:32,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 20:20:32,953 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:20:32,955 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:20:32,956 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:20:32,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:20:32,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1833758350, now seen corresponding path program 1 times [2020-09-24 20:20:32,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:20:32,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501645979] [2020-09-24 20:20:32,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:20:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:33,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:33,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:34,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:34,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:36,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:38,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:38,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 20:20:38,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:20:38,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-24 20:20:38,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:38,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:20:38,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 20:20:38,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-24 20:20:38,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 20:20:38,933 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:20:38,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:20:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:39,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:39,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:39,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:20:39,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:39,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-09-24 20:20:39,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:39,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:39,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:39,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 20:20:39,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:39,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:20:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:39,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:39,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:39,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:39,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:39,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:20:39,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:39,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:20:39,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:39,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:20:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:39,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:39,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:39,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:39,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:39,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 20:20:39,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:39,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:20:39,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 20:20:39,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:20:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:39,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:39,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:39,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:39,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:39,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 20:20:39,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:20:39,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:39,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:20:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:39,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:39,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:39,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:39,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:39,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:20:39,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:39,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:39,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:39,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:20:39,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:39,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:20:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:39,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:39,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:39,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:20:39,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:39,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:20:39,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:39,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:39,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:20:39,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:39,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:20:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:39,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:39,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:39,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:20:39,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:39,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:20:39,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:39,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:39,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:39,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 20:20:39,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:39,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:20:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:39,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:39,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:39,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:39,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:39,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:39,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:39,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:39,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:39,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:39,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:39,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 20:20:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:39,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:39,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:39,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:39,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:39,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:20:39,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:39,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:39,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:20:39,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 20:20:39,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 20:20:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:39,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:39,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:39,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:39,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:39,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 20:20:39,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:20:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:20:39,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 20:20:39,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501645979] [2020-09-24 20:20:39,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:20:39,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 20:20:39,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517360535] [2020-09-24 20:20:39,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:20:39,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:20:39,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:20:39,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:20:39,769 INFO L87 Difference]: Start difference. First operand 347 states. Second operand 9 states. [2020-09-24 20:20:40,431 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:20:41,366 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:20:41,730 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:20:43,400 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:20:43,675 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:20:44,049 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:20:44,628 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:20:44,953 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 20:20:45,267 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 20:20:45,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:20:45,996 INFO L93 Difference]: Finished difference Result 660 states and 788 transitions. [2020-09-24 20:20:45,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 20:20:45,999 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 20:20:46,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:20:46,020 INFO L225 Difference]: With dead ends: 660 [2020-09-24 20:20:46,020 INFO L226 Difference]: Without dead ends: 437 [2020-09-24 20:20:46,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 20:20:46,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-09-24 20:20:46,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 391. [2020-09-24 20:20:46,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-09-24 20:20:46,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 436 transitions. [2020-09-24 20:20:46,155 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 436 transitions. Word has length 160 [2020-09-24 20:20:46,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:20:46,156 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 436 transitions. [2020-09-24 20:20:46,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:20:46,157 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 436 transitions. [2020-09-24 20:20:46,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-24 20:20:46,163 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:20:46,164 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:20:46,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:20:46,164 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:20:46,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:20:46,165 INFO L82 PathProgramCache]: Analyzing trace with hash -816624676, now seen corresponding path program 1 times [2020-09-24 20:20:46,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:20:46,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1890510598] [2020-09-24 20:20:46,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:20:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:46,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:46,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:48,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:48,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-24 20:20:48,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:20:48,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2232 [2020-09-24 20:20:48,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:48,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:20:48,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-24 20:20:48,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:20:48,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:48,773 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:20:48,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:20:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:48,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:48,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:48,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:20:48,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:48,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-24 20:20:48,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:48,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:48,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:20:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:48,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:48,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:48,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:48,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:48,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:20:48,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:48,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:48,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:48,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:48,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:48,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:20:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:48,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:48,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:48,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:48,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:48,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:20:48,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:48,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:48,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:48,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:48,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:20:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:48,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:48,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:48,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:48,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:48,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:20:48,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:48,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:48,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:48,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:48,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:48,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:20:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:48,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:48,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:48,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:48,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:48,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:20:48,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:48,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:48,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:48,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:48,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:48,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:20:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:48,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:48,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:48,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:20:48,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:48,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:48,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:48,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:48,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:48,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:48,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:48,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 20:20:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:48,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:48,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:48,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:20:48,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:48,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:48,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:48,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:48,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:48,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:48,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:48,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:20:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:48,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:48,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:48,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:48,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:48,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:48,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:48,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:48,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:48,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:48,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:48,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 20:20:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:49,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:49,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:49,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 20:20:49,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:49,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-24 20:20:49,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:20:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 20:20:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:20:49,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:49,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:20:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:49,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:49,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:49,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 20:20:49,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:49,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 20:20:49,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:49,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:20:49,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 20:20:49,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:20:49,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:49,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:20:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:49,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:49,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:49,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:20:49,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:49,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 20:20:49,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:49,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:20:49,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 20:20:49,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 20:20:49,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:20:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:49,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:49,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:49,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:20:49,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:49,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:20:49,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:49,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:49,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:49,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:49,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:20:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:49,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:49,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:49,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 20:20:49,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:49,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 20:20:49,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:20:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:49,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:49,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:20:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:49,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:49,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:49,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:20:49,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:49,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:20:49,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:49,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:49,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:49,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:20:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:49,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:49,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:49,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:49,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:49,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:49,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:49,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:49,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:49,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 20:20:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:49,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:49,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:49,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:20:49,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:49,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:20:49,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:49,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:49,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:49,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:49,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 20:20:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:49,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:49,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:49,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:49,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:49,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:20:49,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:49,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:49,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:20:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:49,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:49,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-24 20:20:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:49,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:49,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:49,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:49,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:49,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:49,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:49,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:49,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:20:49,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:49,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:49,579 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 20:20:49,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1890510598] [2020-09-24 20:20:49,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:20:49,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 20:20:49,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196847177] [2020-09-24 20:20:49,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 20:20:49,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:20:49,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 20:20:49,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 20:20:49,588 INFO L87 Difference]: Start difference. First operand 391 states and 436 transitions. Second operand 10 states. [2020-09-24 20:20:51,281 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:20:51,593 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:20:51,921 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:20:52,284 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:20:52,669 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 20:20:52,990 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:20:54,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:20:54,090 INFO L93 Difference]: Finished difference Result 759 states and 919 transitions. [2020-09-24 20:20:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 20:20:54,091 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 221 [2020-09-24 20:20:54,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:20:54,097 INFO L225 Difference]: With dead ends: 759 [2020-09-24 20:20:54,097 INFO L226 Difference]: Without dead ends: 483 [2020-09-24 20:20:54,105 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 20:20:54,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-09-24 20:20:54,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 405. [2020-09-24 20:20:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-09-24 20:20:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 456 transitions. [2020-09-24 20:20:54,170 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 456 transitions. Word has length 221 [2020-09-24 20:20:54,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:20:54,171 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 456 transitions. [2020-09-24 20:20:54,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 20:20:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 456 transitions. [2020-09-24 20:20:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-09-24 20:20:54,176 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:20:54,177 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:20:54,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:20:54,177 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:20:54,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:20:54,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1151484107, now seen corresponding path program 1 times [2020-09-24 20:20:54,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:20:54,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1290622035] [2020-09-24 20:20:54,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:20:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:54,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:54,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:54,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:54,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:59,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:59,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-09-24 20:20:59,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:20:59,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5064 [2020-09-24 20:20:59,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:59,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:20:59,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 20:20:59,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-24 20:20:59,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:59,609 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:20:59,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:20:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:59,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:59,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:59,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:20:59,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:59,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-09-24 20:20:59,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:59,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:59,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:59,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 20:20:59,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:59,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:20:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:59,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:59,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:59,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:59,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:59,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:20:59,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:59,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:59,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:59,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:20:59,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:59,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:20:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:59,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:59,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:59,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:59,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:59,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:20:59,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:59,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:59,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:59,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:20:59,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:59,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:20:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:59,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:59,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:59,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:59,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:59,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 20:20:59,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:59,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:59,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:59,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:20:59,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:00,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:21:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:00,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:21:00,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:00,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:21:00,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:00,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:21:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:21:00,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:21:00,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:00,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:00,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:21:00,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:00,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:21:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 20:21:00,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-24 20:21:00,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:21:00,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:21:00,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 20:21:00,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:00,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:21:00,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:21:00,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 20:21:00,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:00,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:00,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:21:00,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:00,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:00,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 20:21:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 20:21:00,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:21:00,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 20:21:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:00,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 20:21:00,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:00,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:00,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:21:00,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:21:00,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:00,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:21:00,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:00,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 20:21:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:21:00,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:21:00,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 20:21:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:00,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:00,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:00,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:00,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:00,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:00,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:00,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:00,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 20:21:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 20:21:00,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:21:00,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-24 20:21:00,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:21:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 20:21:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:21:00,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:00,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 20:21:00,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-24 20:21:00,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:21:00,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 20:21:00,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:21:00,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:00,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:21:00,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 20:21:00,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:21:00,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 20:21:00,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:21:00,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:00,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:21:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:21:00,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:21:00,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:21:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:21:00,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:00,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:21:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 20:21:00,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 20:21:00,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:00,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:21:00,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:00,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:00,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:21:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:21:00,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:21:00,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:00,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:00,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:00,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:00,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:21:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:00,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:00,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:00,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:00,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 20:21:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:21:00,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:21:00,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:00,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:00,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:00,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:00,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-24 20:21:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:00,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:00,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:00,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:21:00,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:00,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:00,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-24 20:21:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:00,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:00,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:00,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:00,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:00,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:00,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:21:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:00,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:00,945 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-24 20:21:00,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1290622035] [2020-09-24 20:21:00,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:21:00,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-24 20:21:00,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647589828] [2020-09-24 20:21:00,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-24 20:21:00,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:21:00,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-24 20:21:00,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2020-09-24 20:21:00,949 INFO L87 Difference]: Start difference. First operand 405 states and 456 transitions. Second operand 19 states. [2020-09-24 20:21:01,523 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:21:03,084 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:21:03,448 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:21:03,862 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:21:04,237 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:21:04,626 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:21:04,971 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:21:05,312 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:21:05,677 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:21:06,038 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:21:06,348 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:21:06,671 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:21:07,012 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:21:07,370 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:21:07,721 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:21:08,052 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:21:08,438 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:21:09,045 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-24 20:21:09,384 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:21:10,323 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-24 20:21:12,230 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-24 20:21:12,863 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-24 20:21:13,563 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-24 20:21:14,251 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-24 20:21:17,592 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:21:17,910 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:21:18,245 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:21:18,577 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:21:20,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:21:20,912 INFO L93 Difference]: Finished difference Result 1629 states and 2266 transitions. [2020-09-24 20:21:20,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-09-24 20:21:20,913 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 257 [2020-09-24 20:21:20,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:21:20,924 INFO L225 Difference]: With dead ends: 1629 [2020-09-24 20:21:20,924 INFO L226 Difference]: Without dead ends: 1296 [2020-09-24 20:21:20,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1319 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=844, Invalid=3848, Unknown=0, NotChecked=0, Total=4692 [2020-09-24 20:21:20,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2020-09-24 20:21:21,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1045. [2020-09-24 20:21:21,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2020-09-24 20:21:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1227 transitions. [2020-09-24 20:21:21,093 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1227 transitions. Word has length 257 [2020-09-24 20:21:21,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:21:21,094 INFO L479 AbstractCegarLoop]: Abstraction has 1045 states and 1227 transitions. [2020-09-24 20:21:21,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-24 20:21:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1227 transitions. [2020-09-24 20:21:21,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-24 20:21:21,099 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:21:21,100 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:21:21,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:21:21,100 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:21:21,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:21:21,101 INFO L82 PathProgramCache]: Analyzing trace with hash 851733322, now seen corresponding path program 1 times [2020-09-24 20:21:21,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:21:21,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1304056561] [2020-09-24 20:21:21,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:21:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:21,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:21,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking...