/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_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:15:19,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:15:19,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:15:19,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:15:19,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:15:19,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:15:19,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:15:19,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:15:19,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:15:19,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:15:19,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:15:19,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:15:19,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:15:19,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:15:19,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:15:19,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:15:19,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:15:19,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:15:19,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:15:19,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:15:19,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:15:19,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:15:19,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:15:19,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:15:19,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:15:19,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:15:19,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:15:19,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:15:19,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:15:19,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:15:19,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:15:19,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:15:20,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:15:20,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:15:20,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:15:20,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:15:20,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:15:20,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:15:20,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:15:20,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:15:20,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:15:20,010 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 20:15:20,056 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:15:20,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:15:20,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:15:20,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:15:20,059 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:15:20,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:15:20,060 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:15:20,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:15:20,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:15:20,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:15:20,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:15:20,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:15:20,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:15:20,062 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:15:20,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:15:20,063 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:15:20,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:15:20,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:15:20,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:15:20,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:15:20,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:15:20,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:15:20,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:15:20,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:15:20,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:15:20,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:15:20,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:15:20,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:15:20,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:15:20,066 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 20:15:20,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:15:20,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:15:20,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:15:20,520 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:15:20,521 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:15:20,522 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-09-24 20:15:20,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7473ea669/4432f29c403d4de1a3a1e2cb668384fd/FLAG13f16512b [2020-09-24 20:15:21,198 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:15:21,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-09-24 20:15:21,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7473ea669/4432f29c403d4de1a3a1e2cb668384fd/FLAG13f16512b [2020-09-24 20:15:21,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7473ea669/4432f29c403d4de1a3a1e2cb668384fd [2020-09-24 20:15:21,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:15:21,500 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:15:21,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:15:21,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:15:21,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:15:21,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:15:21" (1/1) ... [2020-09-24 20:15:21,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a9d3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:21, skipping insertion in model container [2020-09-24 20:15:21,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:15:21" (1/1) ... [2020-09-24 20:15:21,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:15:21,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:15:21,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:15:22,053 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:15:22,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:15:22,173 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:15:22,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:22 WrapperNode [2020-09-24 20:15:22,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:15:22,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:15:22,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:15:22,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:15:22,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:22" (1/1) ... [2020-09-24 20:15:22,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:22" (1/1) ... [2020-09-24 20:15:22,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:22" (1/1) ... [2020-09-24 20:15:22,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:22" (1/1) ... [2020-09-24 20:15:22,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:22" (1/1) ... [2020-09-24 20:15:22,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:22" (1/1) ... [2020-09-24 20:15:22,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:22" (1/1) ... [2020-09-24 20:15:22,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:15:22,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:15:22,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:15:22,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:15:22,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:22" (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 20:15:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:15:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:15:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:15:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:15:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:15:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:15:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:15:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:15:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:15:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:15:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:15:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:15:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:15:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:15:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:15:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 20:15:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:15:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 20:15:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:15:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:15:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:15:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:15:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:15:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:15:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 20:15:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 20:15:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:15:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:15:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:15:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:15:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:15:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:15:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:15:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:15:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:15:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:15:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:15:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 20:15:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:15:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:15:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:15:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:15:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:15:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:15:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:15:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:15:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:15:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:15:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:15:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:15:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:15:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:15:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:15:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:15:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:15:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:15:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:15:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:15:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:15:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:15:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:15:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:15:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:15:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:15:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 20:15:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:15:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:15:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:15:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:15:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:15:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 20:15:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 20:15:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:15:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 20:15:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 20:15:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:15:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:15:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:15:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:15:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:15:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:15:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:15:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:15:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:15:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:15:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:15:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:15:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:15:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:15:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:15:23,529 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:15:23,529 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:15:23,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:15:23 BoogieIcfgContainer [2020-09-24 20:15:23,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:15:23,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:15:23,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:15:23,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:15:23,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:15:21" (1/3) ... [2020-09-24 20:15:23,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c94a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:15:23, skipping insertion in model container [2020-09-24 20:15:23,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:22" (2/3) ... [2020-09-24 20:15:23,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c94a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:15:23, skipping insertion in model container [2020-09-24 20:15:23,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:15:23" (3/3) ... [2020-09-24 20:15:23,546 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2020-09-24 20:15:23,557 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:15:23,568 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:15:23,589 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:15:23,618 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:15:23,618 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:15:23,619 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:15:23,619 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:15:23,619 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:15:23,619 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:15:23,619 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:15:23,619 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:15:23,645 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states. [2020-09-24 20:15:23,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 20:15:23,662 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:15:23,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:15:23,663 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:15:23,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:15:23,670 INFO L82 PathProgramCache]: Analyzing trace with hash 2064914024, now seen corresponding path program 1 times [2020-09-24 20:15:23,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:15:23,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833728778] [2020-09-24 20:15:23,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:15:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:24,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:24,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:25,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:27,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:29,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:29,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 20:15:29,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:15:29,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-24 20:15:29,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:15:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 20:15:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 20:15:29,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 20:15:29,469 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:15:29,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:15:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:29,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:29,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:29,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:15:29,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:29,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-09-24 20:15:29,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 20:15:29,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:29,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:15:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:29,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:29,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:29,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:29,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:29,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:15:29,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:29,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:29,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:15:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:29,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:29,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:29,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:29,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:29,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:15:29,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:29,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:29,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:29,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:29,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:29,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:15:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:29,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:29,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:29,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:29,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:29,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:15:29,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:29,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:29,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:29,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:29,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:29,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:15:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:29,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:29,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:29,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:29,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:29,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:15:29,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:29,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:29,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:29,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:29,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:30,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:15:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:30,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:30,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:30,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:30,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:30,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:15:30,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:30,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:15:30,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:30,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:30,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 20:15:30,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 20:15:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:30,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:30,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:30,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:30,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:30,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:15:30,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:30,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:30,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:30,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:15:30,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833728778] [2020-09-24 20:15:30,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:15:30,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 20:15:30,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628890909] [2020-09-24 20:15:30,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 20:15:30,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:15:30,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 20:15:30,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:15:30,155 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 8 states. [2020-09-24 20:15:30,708 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:15:31,624 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:31,970 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:32,371 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:32,800 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:33,151 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:15:33,490 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:33,814 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:35,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:15:35,449 INFO L93 Difference]: Finished difference Result 556 states and 690 transitions. [2020-09-24 20:15:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 20:15:35,453 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 20:15:35,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:15:35,485 INFO L225 Difference]: With dead ends: 556 [2020-09-24 20:15:35,485 INFO L226 Difference]: Without dead ends: 386 [2020-09-24 20:15:35,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-24 20:15:35,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-09-24 20:15:35,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 342. [2020-09-24 20:15:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-09-24 20:15:35,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 388 transitions. [2020-09-24 20:15:35,646 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 388 transitions. Word has length 142 [2020-09-24 20:15:35,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:15:35,647 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 388 transitions. [2020-09-24 20:15:35,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 20:15:35,647 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 388 transitions. [2020-09-24 20:15:35,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 20:15:35,654 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:15:35,654 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:15:35,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:15:35,654 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:15:35,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:15:35,655 INFO L82 PathProgramCache]: Analyzing trace with hash -702473135, now seen corresponding path program 1 times [2020-09-24 20:15:35,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:15:35,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265880804] [2020-09-24 20:15:35,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:15:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:35,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:35,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:36,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:40,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:40,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 20:15:40,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:15:40,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-24 20:15:40,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:40,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 20:15:40,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 20:15:40,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-24 20:15:40,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:41,171 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:15:41,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:15:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:41,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:41,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:41,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:15:41,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:41,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-09-24 20:15:41,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:41,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:41,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:41,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 20:15:41,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:41,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:15:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:41,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:41,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:41,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:41,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:41,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:15:41,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:41,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:41,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:41,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:41,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:41,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:15:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:41,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:41,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:41,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:41,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:41,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:15:41,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:41,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:41,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:41,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:41,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:41,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:15:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:41,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:41,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:41,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:41,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:41,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:15:41,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:41,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:41,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:41,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:41,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:41,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:15:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:41,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:41,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:41,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:41,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:41,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:41,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:41,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:41,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:41,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:41,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:41,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 20:15:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:41,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:41,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:41,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:15:41,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:41,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:15:41,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:41,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:41,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 20:15:41,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:41,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:41,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 20:15:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:41,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:41,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:41,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:41,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:41,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:15:41,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:41,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:41,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:41,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:41,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:41,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 20:15:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:41,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:41,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:41,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:41,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:41,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:15:41,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:41,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:41,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:41,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:41,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:41,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:15:41,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265880804] [2020-09-24 20:15:41,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:15:41,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 20:15:41,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028535349] [2020-09-24 20:15:41,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 20:15:41,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:15:41,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 20:15:41,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 20:15:41,626 INFO L87 Difference]: Start difference. First operand 342 states and 388 transitions. Second operand 5 states. [2020-09-24 20:15:42,166 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:15:42,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:15:42,834 INFO L93 Difference]: Finished difference Result 521 states and 623 transitions. [2020-09-24 20:15:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 20:15:42,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-24 20:15:42,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:15:42,841 INFO L225 Difference]: With dead ends: 521 [2020-09-24 20:15:42,841 INFO L226 Difference]: Without dead ends: 278 [2020-09-24 20:15:42,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 20:15:42,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-09-24 20:15:42,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 256. [2020-09-24 20:15:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-09-24 20:15:42,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 274 transitions. [2020-09-24 20:15:42,886 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 274 transitions. Word has length 148 [2020-09-24 20:15:42,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:15:42,887 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 274 transitions. [2020-09-24 20:15:42,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 20:15:42,887 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 274 transitions. [2020-09-24 20:15:42,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-24 20:15:42,890 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:15:42,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:15:42,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:15:42,891 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:15:42,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:15:42,891 INFO L82 PathProgramCache]: Analyzing trace with hash -210012621, now seen corresponding path program 1 times [2020-09-24 20:15:42,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:15:42,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850560549] [2020-09-24 20:15:42,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:15:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:42,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:43,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:44,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:47,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:47,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:47,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 20:15:47,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:15:47,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-24 20:15:47,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 20:15:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 20:15:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-24 20:15:47,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:48,365 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:15:48,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:15:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:48,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:48,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:48,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:15:48,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:48,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-09-24 20:15:48,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:48,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:48,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:48,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 20:15:48,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:48,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:15:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:48,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:48,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:48,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:48,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:48,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:48,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:48,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:48,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:48,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:48,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:48,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:15:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:48,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:48,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:48,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:48,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:48,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:48,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:48,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:48,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:48,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:48,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:15:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:48,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:48,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:48,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:48,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:48,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:15:48,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:48,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:48,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:48,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:48,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:15:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:48,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:48,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:48,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:48,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:48,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:48,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:48,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:48,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:48,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:48,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:48,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 20:15:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:48,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:48,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:48,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:15:48,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:48,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:15:48,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:48,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:15:48,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:15:48,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:15:48,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:48,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 20:15:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:48,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:48,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:48,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:48,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:48,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:15:48,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:48,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:15:48,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:48,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:48,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:48,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-24 20:15:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:48,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:48,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:48,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:48,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:48,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:48,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:48,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:48,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:48,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:48,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:15:48,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850560549] [2020-09-24 20:15:48,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:15:48,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 20:15:48,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398322693] [2020-09-24 20:15:48,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 20:15:48,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:15:48,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 20:15:48,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-24 20:15:48,843 INFO L87 Difference]: Start difference. First operand 256 states and 274 transitions. Second operand 12 states. [2020-09-24 20:15:49,523 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:15:50,515 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:15:51,140 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:51,439 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:51,798 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:52,157 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:52,445 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:15:52,758 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:15:53,071 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:53,423 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:53,755 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:15:54,066 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:54,691 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:15:54,993 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:55,389 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:55,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:15:55,891 INFO L93 Difference]: Finished difference Result 440 states and 493 transitions. [2020-09-24 20:15:55,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 20:15:55,892 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 157 [2020-09-24 20:15:55,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:15:55,899 INFO L225 Difference]: With dead ends: 440 [2020-09-24 20:15:55,899 INFO L226 Difference]: Without dead ends: 343 [2020-09-24 20:15:55,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2020-09-24 20:15:55,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-09-24 20:15:55,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 316. [2020-09-24 20:15:55,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-09-24 20:15:55,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 339 transitions. [2020-09-24 20:15:55,976 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 339 transitions. Word has length 157 [2020-09-24 20:15:55,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:15:55,978 INFO L479 AbstractCegarLoop]: Abstraction has 316 states and 339 transitions. [2020-09-24 20:15:55,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 20:15:55,978 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 339 transitions. [2020-09-24 20:15:55,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-09-24 20:15:55,981 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:15:55,981 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-24 20:15:55,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:15:55,982 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:15:55,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:15:55,982 INFO L82 PathProgramCache]: Analyzing trace with hash -2010311292, now seen corresponding path program 1 times [2020-09-24 20:15:55,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:15:55,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [260131044] [2020-09-24 20:15:55,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:15:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:56,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:56,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:56,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:00,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:00,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:01,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:01,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-09-24 20:16:01,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:16:01,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-24 20:16:01,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 20:16:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 20:16:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 20:16:01,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:01,374 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:16:01,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:16:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:01,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:01,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:01,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:16:01,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:01,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-09-24 20:16:01,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:01,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:01,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:01,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 20:16:01,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:16:01,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:16:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:01,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:01,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:01,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:16:01,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:01,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:16:01,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:01,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:01,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:01,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:16:01,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:01,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:16:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:01,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:01,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:01,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:16:01,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:01,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:16:01,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:01,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:01,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:01,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:16:01,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:01,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:16:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:01,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:01,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:01,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:01,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:01,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:16:01,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:16:01,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:01,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:16:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:01,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:01,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:01,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:16:01,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:01,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:16:01,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:01,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:01,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:01,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:16:01,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:01,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 20:16:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:01,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:01,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:01,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:16:01,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:01,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:16:01,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:01,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:16:01,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:16:01,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:16:01,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:01,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 20:16:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:01,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:01,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:01,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 20:16:01,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:01,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 20:16:01,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:01,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:16:01,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:16:01,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 20:16:01,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:01,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:16:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:01,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:01,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:01,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 20:16:01,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:01,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:16:01,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:01,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:01,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:01,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 20:16:01,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:01,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:16:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:01,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:01,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:01,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:01,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:01,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:16:01,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:16:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:16:01,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:01,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-09-24 20:16:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:01,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:01,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:01,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:16:01,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:01,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:16:01,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:16:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:16:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:16:01,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:01,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-24 20:16:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:01,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:01,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:01,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:01,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:01,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:16:01,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:16:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:16:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:16:01,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:01,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 20:16:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:01,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:01,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:01,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:01,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:01,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:16:01,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:01,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:16:01,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:16:01,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:16:01,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:01,982 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 20:16:01,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [260131044] [2020-09-24 20:16:01,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:16:01,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 20:16:01,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714472659] [2020-09-24 20:16:01,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:16:01,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:16:01,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:16:01,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:16:01,985 INFO L87 Difference]: Start difference. First operand 316 states and 339 transitions. Second operand 9 states. [2020-09-24 20:16:02,751 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-09-24 20:16:03,482 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:16:04,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:16:04,327 INFO L93 Difference]: Finished difference Result 399 states and 438 transitions. [2020-09-24 20:16:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 20:16:04,328 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 196 [2020-09-24 20:16:04,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:16:04,329 INFO L225 Difference]: With dead ends: 399 [2020-09-24 20:16:04,329 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 20:16:04,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-09-24 20:16:04,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 20:16:04,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 20:16:04,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 20:16:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 20:16:04,331 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2020-09-24 20:16:04,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:16:04,332 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 20:16:04,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:16:04,332 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 20:16:04,332 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 20:16:04,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 20:16:04,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 20:16:04,725 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 20:16:04,915 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:16:05,250 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 20:16:05,419 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:05,580 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:05,744 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:05,901 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:06,061 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:16:06,380 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 20:16:06,699 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 20:16:07,023 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 20:16:07,344 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 20:16:07,503 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:16:07,821 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 20:16:08,138 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 20:16:08,348 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 24 [2020-09-24 20:16:08,511 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:16:08,834 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 20:16:08,994 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:16:09,316 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 20:16:09,470 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:09,623 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189