/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=SMALLEST --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_spec2_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 17:57:27,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:57:27,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:57:27,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:57:27,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:57:27,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:57:27,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:57:27,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:57:27,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:57:27,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:57:27,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:57:27,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:57:27,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:57:27,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:57:27,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:57:27,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:57:27,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:57:27,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:57:27,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:57:27,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:57:27,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:57:27,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:57:27,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:57:27,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:57:27,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:57:27,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:57:27,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:57:27,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:57:27,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:57:27,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:57:27,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:57:27,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:57:27,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:57:27,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:57:27,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:57:27,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:57:27,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:57:27,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:57:27,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:57:27,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:57:27,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:57:27,408 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 17:57:27,470 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:57:27,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:57:27,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:57:27,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:57:27,476 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:57:27,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:57:27,476 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:57:27,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:57:27,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:57:27,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:57:27,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:57:27,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:57:27,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:57:27,478 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:57:27,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:57:27,480 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:57:27,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:57:27,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:57:27,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:57:27,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:57:27,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:57:27,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:57:27,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:57:27,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:57:27,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:57:27,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:57:27,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:57:27,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:57:27,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:57:27,483 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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;log-additional-information=true; [2020-09-24 17:57:27,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:57:27,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:57:27,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:57:27,981 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:57:27,982 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:57:27,983 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2020-09-24 17:57:28,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/940b40db6/a3d26247cd904a749df4ec5bdcdeb324/FLAGc6d5d17ea [2020-09-24 17:57:28,728 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:57:28,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2020-09-24 17:57:28,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/940b40db6/a3d26247cd904a749df4ec5bdcdeb324/FLAGc6d5d17ea [2020-09-24 17:57:29,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/940b40db6/a3d26247cd904a749df4ec5bdcdeb324 [2020-09-24 17:57:29,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:57:29,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:57:29,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:57:29,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:57:29,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:57:29,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:57:29" (1/1) ... [2020-09-24 17:57:29,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288b8053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:29, skipping insertion in model container [2020-09-24 17:57:29,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:57:29" (1/1) ... [2020-09-24 17:57:29,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:57:29,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:57:29,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:57:29,576 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:57:29,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:57:29,697 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:57:29,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:29 WrapperNode [2020-09-24 17:57:29,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:57:29,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:57:29,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:57:29,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:57:29,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:29" (1/1) ... [2020-09-24 17:57:29,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:29" (1/1) ... [2020-09-24 17:57:29,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:29" (1/1) ... [2020-09-24 17:57:29,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:29" (1/1) ... [2020-09-24 17:57:29,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:29" (1/1) ... [2020-09-24 17:57:29,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:29" (1/1) ... [2020-09-24 17:57:29,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:29" (1/1) ... [2020-09-24 17:57:29,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:57:29,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:57:29,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:57:29,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:57:29,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:29" (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 17:57:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:57:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:57:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 17:57:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 17:57:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 17:57:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 17:57:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 17:57:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 17:57:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 17:57:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 17:57:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 17:57:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 17:57:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 17:57:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 17:57:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 17:57:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 17:57:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 17:57:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 17:57:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 17:57:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 17:57:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 17:57:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 17:57:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 17:57:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 17:57:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:57:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 17:57:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 17:57:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 17:57:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-24 17:57:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 17:57:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 17:57:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 17:57:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 17:57:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 17:57:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 17:57:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 17:57:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 17:57:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 17:57:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 17:57:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:57:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:57:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 17:57:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 17:57:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 17:57:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 17:57:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 17:57:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 17:57:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 17:57:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 17:57:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 17:57:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 17:57:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 17:57:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:57:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 17:57:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 17:57:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:57:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 17:57:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 17:57:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:57:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 17:57:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 17:57:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:57:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 17:57:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 17:57:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 17:57:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 17:57:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 17:57:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 17:57:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 17:57:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 17:57:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 17:57:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 17:57:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 17:57:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 17:57:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 17:57:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 17:57:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 17:57:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 17:57:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:57:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 17:57:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 17:57:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 17:57:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 17:57:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 17:57:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 17:57:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 17:57:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 17:57:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 17:57:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-24 17:57:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:57:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 17:57:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:57:31,078 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:57:31,078 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 17:57:31,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:57:31 BoogieIcfgContainer [2020-09-24 17:57:31,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:57:31,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:57:31,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:57:31,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:57:31,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:57:29" (1/3) ... [2020-09-24 17:57:31,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19aa0d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:57:31, skipping insertion in model container [2020-09-24 17:57:31,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:29" (2/3) ... [2020-09-24 17:57:31,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19aa0d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:57:31, skipping insertion in model container [2020-09-24 17:57:31,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:57:31" (3/3) ... [2020-09-24 17:57:31,096 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2020-09-24 17:57:31,109 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:57:31,121 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:57:31,145 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:57:31,181 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:57:31,181 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:57:31,182 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:57:31,182 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:57:31,182 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:57:31,182 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:57:31,182 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:57:31,182 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:57:31,213 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2020-09-24 17:57:31,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 17:57:31,235 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:31,237 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 17:57:31,238 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:31,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:31,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1704191269, now seen corresponding path program 1 times [2020-09-24 17:57:31,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:31,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [989900660] [2020-09-24 17:57:31,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:31,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:32,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:33,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:34,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:35,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:36,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:36,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:36,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 17:57:36,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 17:57:36,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-24 17:57:36,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:36,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:36,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 17:57:36,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:36,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 17:57:37,274 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:37,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:57:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:37,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:37,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:37,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:57:37,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:37,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-09-24 17:57:37,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:37,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:37,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:37,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:37,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:37,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:57:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:37,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:37,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:37,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:37,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:37,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:37,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:37,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:37,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:37,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:37,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:37,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:57:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:37,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:37,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:37,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:37,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:37,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:37,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:37,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:37,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:37,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:37,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:37,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:57:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:37,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:37,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:37,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:37,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:37,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:57:37,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:37,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:37,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:37,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:37,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:37,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:57:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:37,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:37,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:37,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:37,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:37,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:37,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:37,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:37,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:37,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:37,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:37,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:57:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:37,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:37,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:37,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:37,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:37,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:37,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:37,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:37,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:37,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:37,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:37,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 17:57:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:37,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:37,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:37,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:37,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:37,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:37,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:37,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:37,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:37,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 17:57:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:37,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:37,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:37,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:37,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:37,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:37,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:37,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:37,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:37,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:37,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:37,660 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 17:57:37,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [989900660] [2020-09-24 17:57:37,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:57:37,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 17:57:37,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854634670] [2020-09-24 17:57:37,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 17:57:37,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:57:37,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 17:57:37,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 17:57:37,695 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2020-09-24 17:57:39,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:57:39,011 INFO L93 Difference]: Finished difference Result 429 states and 515 transitions. [2020-09-24 17:57:39,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 17:57:39,013 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 17:57:39,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:57:39,034 INFO L225 Difference]: With dead ends: 429 [2020-09-24 17:57:39,034 INFO L226 Difference]: Without dead ends: 282 [2020-09-24 17:57:39,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 17:57:39,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-24 17:57:39,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 232. [2020-09-24 17:57:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-09-24 17:57:39,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 252 transitions. [2020-09-24 17:57:39,187 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 252 transitions. Word has length 148 [2020-09-24 17:57:39,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:57:39,192 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 252 transitions. [2020-09-24 17:57:39,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 17:57:39,193 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 252 transitions. [2020-09-24 17:57:39,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 17:57:39,207 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:39,208 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] [2020-09-24 17:57:39,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:57:39,209 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:39,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:39,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1727382823, now seen corresponding path program 1 times [2020-09-24 17:57:39,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:39,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789024821] [2020-09-24 17:57:39,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:39,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:39,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:41,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:41,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:42,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:43,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:44,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:44,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 17:57:44,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 17:57:44,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-24 17:57:44,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:44,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:44,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 17:57:44,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 17:57:44,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:44,591 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:44,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:57:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:44,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:44,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:44,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:57:44,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:44,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-24 17:57:44,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:44,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:44,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:57:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:44,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:44,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:44,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:44,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:44,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:44,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:44,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:44,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:44,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:57:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:44,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:44,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:44,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:44,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:44,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:44,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:44,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:44,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:44,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:57:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:44,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:44,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:44,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:44,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:44,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:57:44,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:44,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:44,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:44,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:44,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:44,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:57:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:44,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:44,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:44,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:44,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:44,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:44,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:44,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:44,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:44,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:44,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:44,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:57:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:44,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:44,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:44,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:44,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:44,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:57:44,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:44,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:44,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:44,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:44,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:44,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 17:57:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:44,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:44,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:44,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:44,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:44,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:44,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:44,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:44,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:44,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 17:57:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:44,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:44,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:44,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:44,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:44,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:44,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:44,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:44,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:44,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:44,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:44,910 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 17:57:44,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789024821] [2020-09-24 17:57:44,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:57:44,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 17:57:44,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3006816] [2020-09-24 17:57:44,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 17:57:44,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:57:44,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 17:57:44,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 17:57:44,918 INFO L87 Difference]: Start difference. First operand 232 states and 252 transitions. Second operand 5 states. [2020-09-24 17:57:45,678 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 17:57:46,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:57:46,666 INFO L93 Difference]: Finished difference Result 348 states and 398 transitions. [2020-09-24 17:57:46,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 17:57:46,667 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 17:57:46,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:57:46,671 INFO L225 Difference]: With dead ends: 348 [2020-09-24 17:57:46,671 INFO L226 Difference]: Without dead ends: 271 [2020-09-24 17:57:46,673 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 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 17:57:46,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-09-24 17:57:46,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 222. [2020-09-24 17:57:46,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-09-24 17:57:46,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 239 transitions. [2020-09-24 17:57:46,714 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 239 transitions. Word has length 149 [2020-09-24 17:57:46,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:57:46,715 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 239 transitions. [2020-09-24 17:57:46,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 17:57:46,715 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 239 transitions. [2020-09-24 17:57:46,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 17:57:46,717 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:46,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:57:46,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 17:57:46,718 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:46,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:46,718 INFO L82 PathProgramCache]: Analyzing trace with hash -133214924, now seen corresponding path program 1 times [2020-09-24 17:57:46,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:46,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187620256] [2020-09-24 17:57:46,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:46,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:47,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:47,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:48,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:49,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:51,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:51,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-24 17:57:51,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:57:51,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-24 17:57:51,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:51,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:51,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 17:57:51,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 17:57:51,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:52,070 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:52,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:57:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:52,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:52,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:52,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:57:52,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:52,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-24 17:57:52,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:52,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:52,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:57:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:52,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:52,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:52,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:52,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:52,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:52,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:52,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:52,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:52,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:52,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:52,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:57:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:52,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:52,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:52,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:52,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:52,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:57:52,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:52,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:52,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:57:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:52,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:52,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:52,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:52,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:52,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:52,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:52,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:52,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:52,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:52,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:52,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:57:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:52,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:52,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:52,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:52,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:52,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:57:52,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:52,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:52,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:52,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:57:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:52,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:52,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:52,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:52,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:52,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:57:52,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:52,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:52,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:52,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:52,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:52,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 17:57:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:52,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:52,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:52,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:52,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:52,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:52,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:52,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:52,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 17:57:52,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:52,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 17:57:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:52,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:52,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:52,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:52,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:52,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:52,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:52,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:52,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:52,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:52,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:52,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 17:57:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:52,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:52,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:52,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:52,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:52,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:52,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:52,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:52,296 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 17:57:52,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187620256] [2020-09-24 17:57:52,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:57:52,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 17:57:52,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325087615] [2020-09-24 17:57:52,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 17:57:52,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:57:52,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 17:57:52,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 17:57:52,302 INFO L87 Difference]: Start difference. First operand 222 states and 239 transitions. Second operand 6 states. [2020-09-24 17:57:52,860 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:54,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:57:54,641 INFO L93 Difference]: Finished difference Result 516 states and 611 transitions. [2020-09-24 17:57:54,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 17:57:54,641 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-24 17:57:54,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:57:54,647 INFO L225 Difference]: With dead ends: 516 [2020-09-24 17:57:54,647 INFO L226 Difference]: Without dead ends: 409 [2020-09-24 17:57:54,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 17:57:54,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-09-24 17:57:54,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 319. [2020-09-24 17:57:54,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-24 17:57:54,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 354 transitions. [2020-09-24 17:57:54,714 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 354 transitions. Word has length 162 [2020-09-24 17:57:54,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:57:54,714 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 354 transitions. [2020-09-24 17:57:54,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 17:57:54,715 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 354 transitions. [2020-09-24 17:57:54,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 17:57:54,716 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:54,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:57:54,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 17:57:54,717 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:54,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:54,718 INFO L82 PathProgramCache]: Analyzing trace with hash 773503065, now seen corresponding path program 1 times [2020-09-24 17:57:54,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:54,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1988676076] [2020-09-24 17:57:54,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:54,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:55,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:55,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:56,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:58,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:59,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:59,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 17:57:59,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:57:59,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-24 17:57:59,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 17:57:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-24 17:57:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 17:57:59,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:00,161 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:58:00,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:58:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:00,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:00,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:00,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:58:00,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:00,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-24 17:58:00,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:00,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:00,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:00,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:00,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:00,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:58:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:00,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:00,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:00,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:00,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:00,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:00,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:00,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:00,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:00,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:00,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:00,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:58:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:00,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:00,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:00,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:00,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:00,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:00,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:00,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:00,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:00,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:00,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:58:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:00,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:00,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:00,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:00,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:00,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:58:00,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:00,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:00,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:00,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:58:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:00,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:00,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:00,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:00,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:00,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:00,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:00,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:00,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:00,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:00,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:00,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:58:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:00,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:00,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:00,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:58:00,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:00,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:00,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:00,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:00,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:00,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:00,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:00,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 17:58:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:00,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:00,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:00,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:58:00,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:00,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:00,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:00,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:00,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:00,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:00,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:00,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 17:58:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:00,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:00,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:00,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:00,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:00,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:58:00,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:00,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:58:00,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:00,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 17:58:00,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:00,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 17:58:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:00,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:00,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:00,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:00,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:00,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 17:58:00,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 17:58:00,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:00,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 17:58:00,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:00,557 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 17:58:00,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1988676076] [2020-09-24 17:58:00,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:58:00,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:58:00,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261126642] [2020-09-24 17:58:00,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:58:00,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:58:00,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:58:00,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:58:00,563 INFO L87 Difference]: Start difference. First operand 319 states and 354 transitions. Second operand 10 states. [2020-09-24 17:58:01,325 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:02,538 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 17:58:02,883 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 17:58:03,225 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:03,575 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 17:58:03,893 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:04,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:58:04,242 INFO L93 Difference]: Finished difference Result 540 states and 644 transitions. [2020-09-24 17:58:04,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 17:58:04,242 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-24 17:58:04,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:58:04,243 INFO L225 Difference]: With dead ends: 540 [2020-09-24 17:58:04,243 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 17:58:04,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-09-24 17:58:04,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 17:58:04,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 17:58:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 17:58:04,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 17:58:04,250 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2020-09-24 17:58:04,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:58:04,250 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 17:58:04,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:58:04,251 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 17:58:04,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 17:58:04,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 17:58:04,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 17:58:04,441 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:04,604 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:04,771 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:04,929 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:05,085 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:05,227 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-24 17:58:05,385 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:05,742 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:06,093 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:06,433 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-24 17:58:06,776 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:07,120 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:07,475 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:07,814 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-24 17:58:07,978 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:08,132 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:08,457 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:58:08,778 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:58:09,099 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:58:09,428 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:58:09,571 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:58:09,720 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:09,874 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:10,026 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:10,179 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:10,333 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:10,487 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:10,639 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:10,792 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:10,940 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:11,093 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:11,253 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:11,402 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:11,555 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:11,708 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:11,861 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:12,010 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:12,164 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:12,322 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:12,424 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-24 17:58:12,578 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:12,730 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:12,878 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:13,036 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:13,189 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:13,314 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-24 17:58:13,660 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:14,017 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:14,350 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-24 17:58:14,694 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:15,037 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:15,379 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:15,711 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-24 17:58:15,868 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:15,975 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-24 17:58:16,127 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:16,279 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:16,429 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:16,586 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:16,739 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:16,887 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:17,039 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:17,194 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:17,298 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-24 17:58:17,454 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:17,602 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:17,773 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:17,883 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-24 17:58:18,037 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:18,191 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:18,344 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:18,496 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:18,644 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:18,796 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:18,949 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:19,396 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 7 [2020-09-24 17:58:19,614 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:58:19,839 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:58:20,066 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:58:20,436 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 14 [2020-09-24 17:58:20,790 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-24 17:58:20,990 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-24 17:58:21,266 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187