/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=1000 --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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 19:05:26,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:05:26,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:05:26,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:05:26,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:05:26,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:05:26,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:05:26,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:05:26,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:05:26,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:05:26,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:05:26,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:05:26,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:05:26,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:05:26,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:05:26,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:05:26,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:05:26,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:05:26,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:05:26,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:05:26,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:05:26,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:05:26,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:05:26,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:05:26,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:05:26,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:05:26,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:05:26,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:05:26,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:05:26,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:05:26,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:05:26,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:05:26,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:05:26,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:05:26,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:05:26,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:05:26,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:05:26,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:05:26,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:05:26,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:05:26,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:05:26,137 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 19:05:26,183 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:05:26,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:05:26,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:05:26,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:05:26,186 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:05:26,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:05:26,187 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:05:26,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:05:26,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:05:26,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:05:26,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:05:26,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:05:26,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:05:26,189 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:05:26,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:05:26,190 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:05:26,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:05:26,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:05:26,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:05:26,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:05:26,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:05:26,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:05:26,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:05:26,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:05:26,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:05:26,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:05:26,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:05:26,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:05:26,192 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:05:26,192 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=1000;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=1000;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=1000;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=1000;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 19:05:26,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:05:26,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:05:26,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:05:26,679 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:05:26,681 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:05:26,683 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2020-09-24 19:05:26,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b933e8f9e/217f401d207f4dbaa2fd292c17834bd6/FLAG5cb59e44e [2020-09-24 19:05:27,347 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:05:27,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2020-09-24 19:05:27,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b933e8f9e/217f401d207f4dbaa2fd292c17834bd6/FLAG5cb59e44e [2020-09-24 19:05:27,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b933e8f9e/217f401d207f4dbaa2fd292c17834bd6 [2020-09-24 19:05:27,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:05:27,656 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:05:27,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:05:27,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:05:27,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:05:27,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:05:27" (1/1) ... [2020-09-24 19:05:27,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:27, skipping insertion in model container [2020-09-24 19:05:27,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:05:27" (1/1) ... [2020-09-24 19:05:27,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:05:27,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:05:28,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:05:28,229 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:05:28,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:05:28,367 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:05:28,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:28 WrapperNode [2020-09-24 19:05:28,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:05:28,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:05:28,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:05:28,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:05:28,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:28" (1/1) ... [2020-09-24 19:05:28,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:28" (1/1) ... [2020-09-24 19:05:28,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:28" (1/1) ... [2020-09-24 19:05:28,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:28" (1/1) ... [2020-09-24 19:05:28,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:28" (1/1) ... [2020-09-24 19:05:28,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:28" (1/1) ... [2020-09-24 19:05:28,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:28" (1/1) ... [2020-09-24 19:05:28,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:05:28,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:05:28,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:05:28,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:05:28,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:28" (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 19:05:28,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:05:28,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:05:28,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 19:05:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 19:05:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 19:05:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 19:05:28,591 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 19:05:28,591 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 19:05:28,592 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 19:05:28,592 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 19:05:28,593 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 19:05:28,593 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 19:05:28,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 19:05:28,593 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 19:05:28,594 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 19:05:28,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 19:05:28,595 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 19:05:28,595 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 19:05:28,595 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 19:05:28,596 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 19:05:28,596 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:05:28,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 19:05:28,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 19:05:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 19:05:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 19:05:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 19:05:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 19:05:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 19:05:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 19:05:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 19:05:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 19:05:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 19:05:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 19:05:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 19:05:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 19:05:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 19:05:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 19:05:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 19:05:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 19:05:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 19:05:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:05:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 19:05:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 19:05:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 19:05:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 19:05:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 19:05:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 19:05:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 19:05:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 19:05:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 19:05:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 19:05:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 19:05:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 19:05:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 19:05:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 19:05:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 19:05:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 19:05:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 19:05:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 19:05:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 19:05:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 19:05:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 19:05:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 19:05:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 19:05:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 19:05:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 19:05:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:05:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 19:05:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 19:05:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 19:05:28,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 19:05:28,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 19:05:28,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 19:05:28,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 19:05:28,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 19:05:28,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 19:05:28,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 19:05:28,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 19:05:28,610 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 19:05:28,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 19:05:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 19:05:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 19:05:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 19:05:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 19:05:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 19:05:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 19:05:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 19:05:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 19:05:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 19:05:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 19:05:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 19:05:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:05:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 19:05:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:05:29,931 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:05:29,932 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 19:05:29,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:05:29 BoogieIcfgContainer [2020-09-24 19:05:29,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:05:29,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:05:29,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:05:29,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:05:29,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:05:27" (1/3) ... [2020-09-24 19:05:29,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc8370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:05:29, skipping insertion in model container [2020-09-24 19:05:29,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:28" (2/3) ... [2020-09-24 19:05:29,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc8370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:05:29, skipping insertion in model container [2020-09-24 19:05:29,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:05:29" (3/3) ... [2020-09-24 19:05:29,951 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2020-09-24 19:05:29,963 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:05:29,975 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 19:05:30,004 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 19:05:30,051 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:05:30,051 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:05:30,052 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:05:30,052 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:05:30,052 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:05:30,052 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:05:30,052 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:05:30,053 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:05:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states. [2020-09-24 19:05:30,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 19:05:30,123 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:05:30,125 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 19:05:30,125 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:05:30,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:05:30,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1661826490, now seen corresponding path program 1 times [2020-09-24 19:05:30,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:05:30,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787868378] [2020-09-24 19:05:30,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:05:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:30,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:30,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:31,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:31,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 19:05:31,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:05:31,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1083 [2020-09-24 19:05:31,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:31,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:31,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 19:05:31,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:31,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 19:05:32,160 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 19:05:32,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:05:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:32,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:32,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:32,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 19:05:32,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:32,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-09-24 19:05:32,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:32,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:32,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:32,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:32,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:32,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 19:05:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:32,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:32,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:32,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:32,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:32,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:32,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:32,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:32,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:32,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:32,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:32,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 19:05:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:32,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:32,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:32,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:32,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:32,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:32,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:32,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:32,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:32,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:32,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 19:05:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:32,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:32,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:32,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:32,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:32,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:32,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:32,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:32,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:32,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:32,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:32,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 19:05:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:32,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:32,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:32,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:32,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:32,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:05:32,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:32,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:32,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:32,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:32,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 19:05:32,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 19:05:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:32,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:32,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:32,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:05:32,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:32,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:32,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:32,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:32,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:32,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:32,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:32,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 19:05:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:32,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:32,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:32,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:32,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:32,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:32,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:32,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:32,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 19:05:32,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:32,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:32,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 19:05:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:32,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:32,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:32,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:32,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:32,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:32,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:32,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:32,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 19:05:32,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:32,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:32,704 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 19:05:32,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787868378] [2020-09-24 19:05:32,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:05:32,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 19:05:32,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088103489] [2020-09-24 19:05:32,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 19:05:32,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:05:32,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 19:05:32,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 19:05:32,740 INFO L87 Difference]: Start difference. First operand 300 states. Second operand 4 states. [2020-09-24 19:05:34,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:05:34,203 INFO L93 Difference]: Finished difference Result 451 states and 537 transitions. [2020-09-24 19:05:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 19:05:34,206 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 19:05:34,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:05:34,227 INFO L225 Difference]: With dead ends: 451 [2020-09-24 19:05:34,227 INFO L226 Difference]: Without dead ends: 293 [2020-09-24 19:05:34,234 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 19:05:34,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-09-24 19:05:34,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 243. [2020-09-24 19:05:34,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-24 19:05:34,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 263 transitions. [2020-09-24 19:05:34,357 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 263 transitions. Word has length 148 [2020-09-24 19:05:34,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:05:34,358 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 263 transitions. [2020-09-24 19:05:34,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 19:05:34,358 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 263 transitions. [2020-09-24 19:05:34,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 19:05:34,363 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:05:34,363 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 19:05:34,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:05:34,364 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:05:34,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:05:34,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1881798897, now seen corresponding path program 1 times [2020-09-24 19:05:34,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:05:34,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213414501] [2020-09-24 19:05:34,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:05:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:34,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:34,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:35,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:35,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 19:05:35,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:05:35,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1065 [2020-09-24 19:05:35,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:35,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:35,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 19:05:35,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 19:05:35,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:35,951 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 19:05:35,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:05:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:35,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:36,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:36,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 19:05:36,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:36,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-24 19:05:36,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:36,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:36,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:36,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:36,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:36,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 19:05:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:36,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:36,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:36,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:36,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:36,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:36,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:36,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:36,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:36,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:36,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:36,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 19:05:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:36,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:36,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:36,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:36,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:36,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:36,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:36,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:36,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:36,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:36,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:36,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 19:05:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:36,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:36,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:36,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:36,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:36,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:05:36,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:36,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:36,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:36,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:36,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:36,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 19:05:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:36,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:36,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:36,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:36,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:36,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:36,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:36,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:36,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:36,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:36,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:36,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 19:05:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:36,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:36,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:36,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:05:36,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:36,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:36,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:36,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:36,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:36,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:36,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:36,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 19:05:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:36,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:36,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:36,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:36,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:36,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:36,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:36,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:36,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 19:05:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:36,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:36,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 19:05:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:36,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:36,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:36,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:36,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:36,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:05:36,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:36,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:36,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 19:05:36,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:36,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:36,252 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 19:05:36,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213414501] [2020-09-24 19:05:36,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:05:36,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 19:05:36,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035885138] [2020-09-24 19:05:36,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 19:05:36,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:05:36,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 19:05:36,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 19:05:36,259 INFO L87 Difference]: Start difference. First operand 243 states and 263 transitions. Second operand 5 states. [2020-09-24 19:05:36,987 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:05:37,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:05:37,944 INFO L93 Difference]: Finished difference Result 370 states and 420 transitions. [2020-09-24 19:05:37,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 19:05:37,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 19:05:37,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:05:37,955 INFO L225 Difference]: With dead ends: 370 [2020-09-24 19:05:37,955 INFO L226 Difference]: Without dead ends: 282 [2020-09-24 19:05:37,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:05:37,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-24 19:05:38,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 233. [2020-09-24 19:05:38,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-09-24 19:05:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 250 transitions. [2020-09-24 19:05:38,021 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 250 transitions. Word has length 149 [2020-09-24 19:05:38,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:05:38,022 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 250 transitions. [2020-09-24 19:05:38,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 19:05:38,022 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 250 transitions. [2020-09-24 19:05:38,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 19:05:38,024 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:05:38,025 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 19:05:38,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:05:38,025 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:05:38,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:05:38,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1107918501, now seen corresponding path program 1 times [2020-09-24 19:05:38,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:05:38,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [522075171] [2020-09-24 19:05:38,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:05:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:38,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:38,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:39,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:39,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-24 19:05:39,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:05:39,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-09-24 19:05:39,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:39,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:39,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 19:05:39,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:05:39,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:39,518 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 19:05:39,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:05:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:39,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:39,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:39,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 19:05:39,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:39,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-24 19:05:39,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:39,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:39,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:39,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:39,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:39,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 19:05:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:39,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:39,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:39,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:39,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:39,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:39,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:39,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:39,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 19:05:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:39,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:39,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:39,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:39,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:39,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:39,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:39,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:39,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:39,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:39,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:39,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 19:05:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:39,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:39,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:39,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:39,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:39,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:39,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:39,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:39,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 19:05:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:39,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:39,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:39,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:39,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:39,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:05:39,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:39,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:39,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 19:05:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:39,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:39,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:39,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:05:39,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:39,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:39,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:39,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:39,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:39,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:39,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:39,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 19:05:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:39,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:39,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:39,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:05:39,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:39,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:39,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:39,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:39,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:39,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 19:05:39,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:39,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 19:05:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:39,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:39,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:39,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:39,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:39,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:39,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:39,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:39,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 19:05:39,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:39,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:39,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 19:05:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:39,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:39,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:39,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:39,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:39,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:39,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:39,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 19:05:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:39,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:39,828 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 19:05:39,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [522075171] [2020-09-24 19:05:39,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:05:39,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 19:05:39,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601446329] [2020-09-24 19:05:39,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 19:05:39,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:05:39,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 19:05:39,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 19:05:39,838 INFO L87 Difference]: Start difference. First operand 233 states and 250 transitions. Second operand 6 states. [2020-09-24 19:05:40,402 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:05:42,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:05:42,202 INFO L93 Difference]: Finished difference Result 549 states and 644 transitions. [2020-09-24 19:05:42,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 19:05:42,202 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-24 19:05:42,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:05:42,207 INFO L225 Difference]: With dead ends: 549 [2020-09-24 19:05:42,208 INFO L226 Difference]: Without dead ends: 431 [2020-09-24 19:05:42,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 19:05:42,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-09-24 19:05:42,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 341. [2020-09-24 19:05:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-09-24 19:05:42,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 376 transitions. [2020-09-24 19:05:42,270 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 376 transitions. Word has length 162 [2020-09-24 19:05:42,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:05:42,271 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 376 transitions. [2020-09-24 19:05:42,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 19:05:42,271 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 376 transitions. [2020-09-24 19:05:42,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 19:05:42,274 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:05:42,274 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 19:05:42,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:05:42,275 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:05:42,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:05:42,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1919107382, now seen corresponding path program 1 times [2020-09-24 19:05:42,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:05:42,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215885201] [2020-09-24 19:05:42,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:05:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:42,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:43,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:43,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 19:05:43,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:43,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-09-24 19:05:43,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:43,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 19:05:43,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 19:05:43,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-24 19:05:43,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:43,743 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 19:05:43,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:05:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:43,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:44,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:44,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 19:05:44,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:44,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-09-24 19:05:44,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:44,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:44,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:44,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 19:05:44,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:44,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 19:05:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:44,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:44,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:44,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:44,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:44,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:44,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:44,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:44,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 19:05:44,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:44,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 19:05:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:44,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:44,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:44,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:44,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:44,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:44,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:44,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:44,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:44,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 19:05:44,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:44,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 19:05:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:44,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:44,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:44,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:44,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:44,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:05:44,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:44,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:44,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 19:05:44,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:44,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 19:05:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:44,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:44,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:44,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:44,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:44,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:44,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:44,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:44,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:44,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 19:05:44,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:44,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 19:05:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:44,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:44,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:44,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:05:44,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:44,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:44,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:44,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:44,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:44,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:05:44,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:44,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 19:05:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:44,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:44,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:44,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:05:44,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:44,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:44,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:05:44,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:44,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 19:05:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:44,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:44,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:44,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:44,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:44,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:05:44,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:05:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 19:05:44,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:44,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 19:05:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:44,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:44,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:44,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:44,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:44,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:44,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:44,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:44,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 19:05:44,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:44,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:44,241 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 19:05:44,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215885201] [2020-09-24 19:05:44,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:05:44,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 19:05:44,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916070954] [2020-09-24 19:05:44,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:05:44,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:05:44,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:05:44,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:05:44,243 INFO L87 Difference]: Start difference. First operand 341 states and 376 transitions. Second operand 10 states. [2020-09-24 19:05:44,920 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:05:46,452 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:05:46,800 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 19:05:47,240 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:05:47,572 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:05:47,895 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 19:05:48,204 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:05:48,525 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:05:49,047 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:05:49,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:05:49,970 INFO L93 Difference]: Finished difference Result 914 states and 1114 transitions. [2020-09-24 19:05:49,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 19:05:49,971 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-24 19:05:49,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:05:49,979 INFO L225 Difference]: With dead ends: 914 [2020-09-24 19:05:49,979 INFO L226 Difference]: Without dead ends: 688 [2020-09-24 19:05:49,981 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-24 19:05:49,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2020-09-24 19:05:50,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 534. [2020-09-24 19:05:50,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-09-24 19:05:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 599 transitions. [2020-09-24 19:05:50,100 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 599 transitions. Word has length 167 [2020-09-24 19:05:50,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:05:50,101 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 599 transitions. [2020-09-24 19:05:50,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:05:50,101 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 599 transitions. [2020-09-24 19:05:50,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-24 19:05:50,105 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:05:50,105 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, 1, 1, 1, 1, 1] [2020-09-24 19:05:50,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 19:05:50,106 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:05:50,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:05:50,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1305102052, now seen corresponding path program 1 times [2020-09-24 19:05:50,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:05:50,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1480389265] [2020-09-24 19:05:50,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:05:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:50,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:50,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:51,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:51,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:51,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-24 19:05:51,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:05:51,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1029 [2020-09-24 19:05:51,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:51,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:05:51,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-09-24 19:05:51,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 19:05:51,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:51,485 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 19:05:51,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:05:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:51,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:51,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:51,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 19:05:51,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:51,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-24 19:05:51,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:51,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:51,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 19:05:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:51,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:51,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:51,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:51,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:51,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:51,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:51,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:51,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:51,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:51,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:51,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 19:05:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:51,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:51,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:51,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:51,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:51,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:05:51,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:51,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:51,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:51,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:51,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:51,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 19:05:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:51,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:51,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:51,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:51,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:51,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:51,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:51,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:51,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 19:05:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:51,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:51,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:51,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:51,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:51,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:51,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:51,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:51,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:51,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:51,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:51,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 19:05:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:51,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:51,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:51,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:05:51,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:51,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:05:51,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:51,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:51,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:51,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:51,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:51,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 19:05:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:51,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:51,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:51,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:05:51,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:51,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:51,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:51,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:51,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:51,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 19:05:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:51,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:51,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:51,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:05:51,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:51,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:51,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:51,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:51,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:51,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:51,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:51,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 19:05:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:51,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:51,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:51,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:51,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:51,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:51,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:51,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 19:05:51,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:51,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 19:05:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:51,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:51,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:51,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:51,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:51,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:05:51,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:51,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:05:51,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:51,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 19:05:51,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:51,853 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 19:05:51,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1480389265] [2020-09-24 19:05:51,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:05:51,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 19:05:51,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401018375] [2020-09-24 19:05:51,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 19:05:51,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:05:51,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 19:05:51,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 19:05:51,856 INFO L87 Difference]: Start difference. First operand 534 states and 599 transitions. Second operand 11 states. [2020-09-24 19:05:52,421 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:05:53,764 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:05:54,423 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-24 19:05:54,772 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:05:55,151 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 19:05:55,447 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:05:55,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:05:55,927 INFO L93 Difference]: Finished difference Result 986 states and 1205 transitions. [2020-09-24 19:05:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 19:05:55,928 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 172 [2020-09-24 19:05:55,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:05:55,928 INFO L225 Difference]: With dead ends: 986 [2020-09-24 19:05:55,929 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 19:05:55,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2020-09-24 19:05:55,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 19:05:55,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 19:05:55,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 19:05:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 19:05:55,934 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-09-24 19:05:55,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:05:55,934 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 19:05:55,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 19:05:55,934 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 19:05:55,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 19:05:55,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 19:05:55,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 19:05:56,147 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:05:56,338 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:05:56,521 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:05:56,692 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:05:56,866 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:05:57,044 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:05:57,241 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:05:57,404 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:05:57,559 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:05:57,724 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:05:57,898 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:05:58,056 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:05:58,446 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-24 19:05:58,736 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-24 19:05:59,111 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-24 19:05:59,397 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 19:05:59,761 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-24 19:06:00,047 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 19:06:00,417 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-24 19:06:00,788 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-24 19:06:01,156 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-24 19:06:01,434 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-24 19:06:01,804 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-24 19:06:02,173 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-24 19:06:02,542 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-24 19:06:02,825 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 19:06:03,187 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-24 19:06:03,549 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-24 19:06:03,713 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:03,862 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:04,017 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:04,179 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:04,332 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:04,481 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:04,807 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-24 19:06:05,135 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-24 19:06:05,455 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 19:06:05,785 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-24 19:06:06,113 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-24 19:06:06,435 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 19:06:06,756 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 19:06:07,083 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-24 19:06:07,409 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-24 19:06:07,554 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 19:06:07,733 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 6 [2020-09-24 19:06:07,903 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:08,052 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:08,211 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:08,363 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:08,516 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:08,669 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:08,827 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:08,988 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:09,146 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:09,294 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:09,453 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:09,611 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:09,769 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:09,922 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:10,075 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:10,229 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:10,387 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:10,540 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:10,690 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:10,844 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:11,002 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:11,160 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:11,318 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:11,475 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:11,634 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:11,788 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:11,945 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:12,098 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:12,251 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:12,398 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:12,556 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:12,815 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 6 [2020-09-24 19:06:12,979 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:13,136 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:13,294 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:13,451 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:13,609 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:13,766 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:13,919 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:14,069 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:14,227 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:14,381 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:14,534 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:14,692 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:14,956 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 6 [2020-09-24 19:06:15,354 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 19:06:15,620 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2020-09-24 19:06:15,998 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 19:06:16,273 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-09-24 19:06:16,628 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 19:06:16,901 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-09-24 19:06:17,254 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 19:06:17,606 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 19:06:17,966 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 19:06:18,232 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2020-09-24 19:06:18,587 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 19:06:18,940 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 19:06:19,298 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 19:06:19,573 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-09-24 19:06:19,931 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 19:06:20,298 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 19:06:20,458 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:20,760 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 6 [2020-09-24 19:06:20,913 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:21,074 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:21,231 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:21,380 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:21,538 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:21,695 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:21,853 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:22,345 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 6 [2020-09-24 19:06:22,493 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:22,648 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:22,806 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:22,959 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:23,151 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 6 [2020-09-24 19:06:23,309 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:23,483 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:23,642 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:23,799 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:23,957 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:24,109 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:24,257 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:24,412 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:24,564 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:24,717 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:24,869 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:25,027 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:25,184 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:25,337 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:25,497 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:25,650 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:25,798 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:26,203 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 7 [2020-09-24 19:06:26,430 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-24 19:06:26,656 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-24 19:06:26,855 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1