/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:37:30,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:37:30,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:37:30,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:37:30,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:37:30,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:37:30,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:37:30,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:37:30,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:37:30,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:37:30,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:37:30,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:37:30,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:37:30,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:37:30,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:37:30,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:37:30,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:37:30,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:37:30,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:37:30,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:37:30,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:37:30,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:37:30,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:37:30,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:37:30,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:37:30,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:37:30,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:37:30,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:37:30,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:37:30,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:37:30,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:37:30,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:37:30,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:37:30,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:37:30,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:37:30,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:37:30,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:37:30,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:37:30,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:37:30,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:37:30,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:37:30,382 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 23:37:30,410 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:37:30,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:37:30,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:37:30,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:37:30,412 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:37:30,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:37:30,413 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 23:37:30,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:37:30,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 23:37:30,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:37:30,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:37:30,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:37:30,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:37:30,414 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 23:37:30,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:37:30,415 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:37:30,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:37:30,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:37:30,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:37:30,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:37:30,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:37:30,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:37:30,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:37:30,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:37:30,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:37:30,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:37:30,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:37:30,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:37:30,418 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:37:30,418 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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;log-additional-information=true; [2020-09-24 23:37:30,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:37:30,905 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:37:30,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:37:30,917 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:37:30,919 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:37:30,920 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2020-09-24 23:37:31,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f550cbc5/4681f03597974cd6a00c1d5eebc44f8d/FLAG9df4de38d [2020-09-24 23:37:31,618 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:37:31,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2020-09-24 23:37:31,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f550cbc5/4681f03597974cd6a00c1d5eebc44f8d/FLAG9df4de38d [2020-09-24 23:37:31,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f550cbc5/4681f03597974cd6a00c1d5eebc44f8d [2020-09-24 23:37:31,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:37:31,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:37:31,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:37:31,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:37:31,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:37:31,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:37:31" (1/1) ... [2020-09-24 23:37:31,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701ef800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:31, skipping insertion in model container [2020-09-24 23:37:31,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:37:31" (1/1) ... [2020-09-24 23:37:31,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:37:31,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:37:32,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:37:32,358 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:37:32,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:37:32,619 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:37:32,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:32 WrapperNode [2020-09-24 23:37:32,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:37:32,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:37:32,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:37:32,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:37:32,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:32" (1/1) ... [2020-09-24 23:37:32,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:32" (1/1) ... [2020-09-24 23:37:32,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:32" (1/1) ... [2020-09-24 23:37:32,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:32" (1/1) ... [2020-09-24 23:37:32,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:32" (1/1) ... [2020-09-24 23:37:32,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:32" (1/1) ... [2020-09-24 23:37:32,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:32" (1/1) ... [2020-09-24 23:37:32,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:37:32,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:37:32,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:37:32,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:37:32,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:32" (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 23:37:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:37:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:37:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 23:37:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 23:37:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 23:37:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 23:37:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 23:37:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 23:37:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 23:37:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 23:37:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 23:37:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 23:37:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 23:37:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 23:37:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 23:37:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 23:37:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 23:37:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 23:37:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 23:37:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 23:37:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 23:37:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 23:37:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 23:37:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:37:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 23:37:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 23:37:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 23:37:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 23:37:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-24 23:37:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 23:37:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 23:37:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 23:37:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 23:37:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 23:37:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 23:37:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 23:37:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 23:37:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 23:37:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:37:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:37:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 23:37:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 23:37:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 23:37:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 23:37:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 23:37:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 23:37:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:37:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:37:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 23:37:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:37:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:37:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:37:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:37:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 23:37:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:37:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 23:37:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 23:37:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:37:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 23:37:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 23:37:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:37:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 23:37:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 23:37:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 23:37:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 23:37:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 23:37:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 23:37:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 23:37:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 23:37:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 23:37:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 23:37:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 23:37:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 23:37:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 23:37:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 23:37:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:37:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 23:37:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 23:37:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 23:37:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 23:37:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 23:37:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 23:37:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 23:37:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 23:37:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 23:37:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 23:37:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-24 23:37:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:37:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:37:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:37:34,023 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:37:34,023 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 23:37:34,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:37:34 BoogieIcfgContainer [2020-09-24 23:37:34,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:37:34,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:37:34,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:37:34,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:37:34,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:37:31" (1/3) ... [2020-09-24 23:37:34,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b57ec8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:37:34, skipping insertion in model container [2020-09-24 23:37:34,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:32" (2/3) ... [2020-09-24 23:37:34,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b57ec8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:37:34, skipping insertion in model container [2020-09-24 23:37:34,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:37:34" (3/3) ... [2020-09-24 23:37:34,041 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2020-09-24 23:37:34,053 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:37:34,063 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:37:34,083 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:37:34,114 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:37:34,115 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:37:34,115 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:37:34,115 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:37:34,115 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:37:34,115 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:37:34,116 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:37:34,116 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:37:34,142 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states. [2020-09-24 23:37:34,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 23:37:34,160 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:37:34,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:37:34,162 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:37:34,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:37:34,170 INFO L82 PathProgramCache]: Analyzing trace with hash -769040823, now seen corresponding path program 1 times [2020-09-24 23:37:34,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:37:34,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191385888] [2020-09-24 23:37:34,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:37:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:34,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:34,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:36,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:37,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:39,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:39,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 23:37:39,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 23:37:39,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-24 23:37:39,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 23:37:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 23:37:39,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 23:37:39,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-24 23:37:40,176 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:37:40,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:37:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:40,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:40,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:40,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 23:37:40,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:40,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-09-24 23:37:40,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:40,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:40,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:40,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 23:37:40,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:40,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 23:37:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:40,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:40,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:40,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:40,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:40,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:37:40,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:40,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:40,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:40,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:40,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:40,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 23:37:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:40,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:40,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:40,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:40,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:40,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:37:40,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:40,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:40,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:40,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:40,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:40,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 23:37:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:40,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:40,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:40,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:40,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:40,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:37:40,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:40,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:40,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:37:40,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:40,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 23:37:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:40,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:40,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:40,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:40,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:40,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:37:40,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:40,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:40,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:40,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:40,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:40,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 23:37:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:40,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:40,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:40,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:40,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:40,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:37:40,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:37:40,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:40,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:37:40,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:40,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 23:37:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:40,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:40,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:40,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:40,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:40,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:37:40,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:40,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:37:40,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:37:40,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:37:40,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:40,751 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 23:37:40,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [191385888] [2020-09-24 23:37:40,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:37:40,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 23:37:40,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855215633] [2020-09-24 23:37:40,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 23:37:40,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:37:40,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 23:37:40,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 23:37:40,784 INFO L87 Difference]: Start difference. First operand 289 states. Second operand 8 states. [2020-09-24 23:37:41,462 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 23:37:42,472 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:42,782 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:37:43,158 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:37:43,625 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:37:43,964 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:44,338 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:44,669 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:37:46,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:37:46,383 INFO L93 Difference]: Finished difference Result 551 states and 683 transitions. [2020-09-24 23:37:46,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 23:37:46,385 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 23:37:46,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:37:46,411 INFO L225 Difference]: With dead ends: 551 [2020-09-24 23:37:46,411 INFO L226 Difference]: Without dead ends: 383 [2020-09-24 23:37:46,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-24 23:37:46,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-09-24 23:37:46,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 338. [2020-09-24 23:37:46,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-09-24 23:37:46,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 382 transitions. [2020-09-24 23:37:46,559 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 382 transitions. Word has length 142 [2020-09-24 23:37:46,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:37:46,560 INFO L479 AbstractCegarLoop]: Abstraction has 338 states and 382 transitions. [2020-09-24 23:37:46,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 23:37:46,560 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 382 transitions. [2020-09-24 23:37:46,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 23:37:46,567 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:37:46,567 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 23:37:46,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:37:46,568 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:37:46,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:37:46,569 INFO L82 PathProgramCache]: Analyzing trace with hash 454962212, now seen corresponding path program 1 times [2020-09-24 23:37:46,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:37:46,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [995788901] [2020-09-24 23:37:46,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:37:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:46,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:46,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:47,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:51,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:51,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 23:37:51,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:37:51,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-24 23:37:51,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 23:37:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 23:37:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 23:37:51,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:52,025 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:37:52,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:37:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:52,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:52,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:52,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 23:37:52,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:52,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-09-24 23:37:52,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 23:37:52,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:52,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 23:37:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:52,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:52,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:52,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:52,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:52,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:37:52,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:52,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:52,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:52,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:52,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:52,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 23:37:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:52,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:52,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:52,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:52,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:52,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:37:52,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:52,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:52,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:52,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:52,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 23:37:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:52,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:52,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:52,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:52,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:52,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 23:37:52,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:37:52,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:52,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 23:37:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:52,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:52,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:52,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:52,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:52,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:37:52,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:52,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:52,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:52,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:52,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:52,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 23:37:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:52,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:52,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:52,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:37:52,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:52,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:37:52,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:52,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:37:52,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 23:37:52,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:37:52,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:52,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 23:37:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:52,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:52,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:52,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:52,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:52,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:37:52,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:52,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:37:52,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:37:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:37:52,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:52,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 23:37:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:52,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:52,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:52,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:52,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:52,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:37:52,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:52,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:37:52,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:37:52,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:37:52,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:52,480 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 23:37:52,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [995788901] [2020-09-24 23:37:52,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:37:52,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 23:37:52,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602436042] [2020-09-24 23:37:52,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 23:37:52,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:37:52,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 23:37:52,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 23:37:52,490 INFO L87 Difference]: Start difference. First operand 338 states and 382 transitions. Second operand 5 states. [2020-09-24 23:37:53,016 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:37:53,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:37:53,740 INFO L93 Difference]: Finished difference Result 526 states and 627 transitions. [2020-09-24 23:37:53,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 23:37:53,742 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-24 23:37:53,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:37:53,746 INFO L225 Difference]: With dead ends: 526 [2020-09-24 23:37:53,746 INFO L226 Difference]: Without dead ends: 287 [2020-09-24 23:37:53,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 23:37:53,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-24 23:37:53,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 264. [2020-09-24 23:37:53,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-09-24 23:37:53,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 282 transitions. [2020-09-24 23:37:53,796 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 282 transitions. Word has length 148 [2020-09-24 23:37:53,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:37:53,797 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 282 transitions. [2020-09-24 23:37:53,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 23:37:53,797 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 282 transitions. [2020-09-24 23:37:53,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 23:37:53,800 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:37:53,800 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] [2020-09-24 23:37:53,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:37:53,801 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:37:53,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:37:53,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1000183946, now seen corresponding path program 1 times [2020-09-24 23:37:53,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:37:53,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [128327566] [2020-09-24 23:37:53,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:37:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:53,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:54,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:55,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:55,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:58,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:58,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-24 23:37:58,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 23:37:58,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-24 23:37:58,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:58,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 23:37:58,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 23:37:58,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-24 23:37:58,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:59,270 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:37:59,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:37:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:59,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:59,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:59,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 23:37:59,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:59,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-09-24 23:37:59,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:59,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:59,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:59,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 23:37:59,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:59,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 23:37:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:59,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:59,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:59,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:59,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:59,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:37:59,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:59,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:59,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:59,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:59,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:59,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 23:37:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:59,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:59,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:59,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:59,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:59,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:37:59,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:59,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:59,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:59,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 23:37:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:59,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:59,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:59,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:59,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:59,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:37:59,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:59,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:59,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:59,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:37:59,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:59,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 23:37:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:59,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:59,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:59,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:59,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:59,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:37:59,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:59,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:59,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:59,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:59,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:59,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 23:37:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:59,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:59,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:59,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:37:59,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:59,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:37:59,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:59,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:37:59,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:37:59,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:37:59,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:59,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 23:37:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:59,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:59,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:59,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:37:59,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:59,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:37:59,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:37:59,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:59,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 23:37:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:59,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:59,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:59,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:59,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:59,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:37:59,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:59,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:37:59,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:59,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:37:59,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:59,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 23:37:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:59,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:59,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:59,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:59,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:59,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:37:59,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:37:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:37:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:37:59,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:59,944 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 23:37:59,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [128327566] [2020-09-24 23:37:59,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:37:59,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 23:37:59,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068621106] [2020-09-24 23:37:59,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 23:37:59,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:37:59,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 23:37:59,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 23:37:59,946 INFO L87 Difference]: Start difference. First operand 264 states and 282 transitions. Second operand 12 states. [2020-09-24 23:38:00,464 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 23:38:01,602 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:38:01,919 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:02,262 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:02,593 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:38:02,895 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:03,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:38:03,324 INFO L93 Difference]: Finished difference Result 412 states and 475 transitions. [2020-09-24 23:38:03,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 23:38:03,325 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 161 [2020-09-24 23:38:03,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:38:03,326 INFO L225 Difference]: With dead ends: 412 [2020-09-24 23:38:03,326 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 23:38:03,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2020-09-24 23:38:03,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 23:38:03,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 23:38:03,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 23:38:03,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 23:38:03,330 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-24 23:38:03,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:38:03,330 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 23:38:03,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 23:38:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 23:38:03,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 23:38:03,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 23:38:03,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 23:38:03,566 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:03,733 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:03,933 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 23:38:04,098 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:04,440 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:38:04,599 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:04,930 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:38:05,097 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:05,261 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:05,425 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:05,584 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:05,754 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 23:38:05,916 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:06,071 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:06,226 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:06,380 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:06,532 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:06,686 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:06,845 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:06,997 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:07,157 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:07,310 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:07,469 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:07,633 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 23:38:07,786 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:07,944 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:08,098 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:08,257 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:08,414 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:08,567 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:08,726 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:08,866 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:38:09,023 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:09,177 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:09,333 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:09,487 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:09,648 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:09,801 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:09,962 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:10,115 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:10,274 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:10,434 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:10,586 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:10,744 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:10,900 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:11,055 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:11,214 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:11,386 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:11,544 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:11,703 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:11,856 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:12,173 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:38:12,328 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:12,649 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:38:12,808 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:12,961 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:13,118 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:13,276 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:13,432 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:13,589 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:13,833 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:13,992 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:14,148 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:14,302 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:14,454 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:14,608 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:14,782 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 23:38:14,953 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:15,106 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:15,259 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:15,576 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:38:15,731 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:16,054 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 23:38:16,207 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:16,531 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 23:38:16,849 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:38:17,171 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 23:38:17,330 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:17,492 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:17,651 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:17,804 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:17,966 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:18,128 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 23:38:18,289 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 23:38:18,447 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:18,602 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:18,755 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:18,908 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:19,061 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:19,214 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:19,367 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:19,525 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:19,682 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:19,841 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:20,310 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 23:38:20,738 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-09-24 23:38:20,963 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 23:38:21,194 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 23:38:21,434 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 23:38:21,910 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 23:38:22,263 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 23:38:22,507 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 23:38:22,956 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 23:38:23,221 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:38:23,696 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 23:38:23,902 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 23:38:24,329 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 23:38:24,722 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-09-24 23:38:24,966 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 23:38:25,396 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 23:38:25,620 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1