/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --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_spec1_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:25:21,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:25:21,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:25:21,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:25:21,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:25:21,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:25:21,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:25:21,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:25:21,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:25:21,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:25:21,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:25:21,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:25:21,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:25:21,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:25:21,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:25:21,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:25:21,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:25:21,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:25:21,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:25:21,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:25:21,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:25:21,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:25:21,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:25:21,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:25:21,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:25:21,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:25:21,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:25:21,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:25:21,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:25:21,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:25:21,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:25:21,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:25:21,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:25:21,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:25:21,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:25:21,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:25:21,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:25:21,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:25:21,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:25:21,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:25:21,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:25:21,682 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 [2020-09-25 07:25:21,727 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:25:21,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:25:21,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:25:21,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:25:21,731 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:25:21,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:25:21,731 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:25:21,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:25:21,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:25:21,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:25:21,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:25:21,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:25:21,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:25:21,734 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:25:21,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:25:21,735 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:25:21,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:25:21,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:25:21,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:25:21,735 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:25:21,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:25:21,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:25:21,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:25:21,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:25:21,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:25:21,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:25:21,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:25:21,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:25:21,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:25:21,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 07:25:22,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:25:22,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:25:22,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:25:22,234 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:25:22,234 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:25:22,236 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2020-09-25 07:25:22,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aae4c4d4d/7eaf2d652b88408b89f94a3bd897a0e7/FLAG49b8fd04c [2020-09-25 07:25:22,957 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:25:22,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2020-09-25 07:25:22,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aae4c4d4d/7eaf2d652b88408b89f94a3bd897a0e7/FLAG49b8fd04c [2020-09-25 07:25:23,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aae4c4d4d/7eaf2d652b88408b89f94a3bd897a0e7 [2020-09-25 07:25:23,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:25:23,259 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:25:23,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:25:23,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:25:23,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:25:23,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:25:23" (1/1) ... [2020-09-25 07:25:23,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc9c326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:23, skipping insertion in model container [2020-09-25 07:25:23,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:25:23" (1/1) ... [2020-09-25 07:25:23,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:25:23,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:25:23,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:25:23,857 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:25:23,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:25:23,977 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:25:23,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:23 WrapperNode [2020-09-25 07:25:23,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:25:23,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:25:23,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:25:23,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:25:23,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:23" (1/1) ... [2020-09-25 07:25:23,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:23" (1/1) ... [2020-09-25 07:25:24,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:23" (1/1) ... [2020-09-25 07:25:24,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:23" (1/1) ... [2020-09-25 07:25:24,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:23" (1/1) ... [2020-09-25 07:25:24,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:23" (1/1) ... [2020-09-25 07:25:24,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:23" (1/1) ... [2020-09-25 07:25:24,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:25:24,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:25:24,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:25:24,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:25:24,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:23" (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 [2020-09-25 07:25:24,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:25:24,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:25:24,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 07:25:24,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 07:25:24,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 07:25:24,190 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 07:25:24,190 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 07:25:24,191 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 07:25:24,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 07:25:24,192 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 07:25:24,192 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 07:25:24,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 07:25:24,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 07:25:24,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 07:25:24,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 07:25:24,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 07:25:24,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 07:25:24,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 07:25:24,194 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 07:25:24,195 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 07:25:24,195 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 07:25:24,195 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 07:25:24,196 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 07:25:24,196 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 07:25:24,196 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 07:25:24,197 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 07:25:24,197 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:25:24,197 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 07:25:24,197 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 07:25:24,197 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 07:25:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 07:25:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 07:25:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 07:25:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 07:25:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 07:25:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 07:25:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 07:25:24,199 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 07:25:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:25:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:25:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 07:25:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 07:25:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 07:25:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 07:25:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 07:25:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 07:25:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 07:25:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 07:25:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 07:25:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 07:25:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 07:25:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:25:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 07:25:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:25:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:25:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 07:25:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:25:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:25:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:25:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:25:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 07:25:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:25:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 07:25:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 07:25:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:25:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 07:25:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 07:25:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 07:25:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 07:25:24,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 07:25:24,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 07:25:24,208 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 07:25:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 07:25:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 07:25:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 07:25:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 07:25:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 07:25:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 07:25:24,210 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 07:25:24,210 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:25:24,210 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 07:25:24,210 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 07:25:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 07:25:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 07:25:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 07:25:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 07:25:24,212 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 07:25:24,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:25:24,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:25:24,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:25:25,371 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:25:25,371 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 07:25:25,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:25:25 BoogieIcfgContainer [2020-09-25 07:25:25,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:25:25,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:25:25,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:25:25,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:25:25,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:25:23" (1/3) ... [2020-09-25 07:25:25,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bdce6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:25:25, skipping insertion in model container [2020-09-25 07:25:25,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:23" (2/3) ... [2020-09-25 07:25:25,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bdce6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:25:25, skipping insertion in model container [2020-09-25 07:25:25,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:25:25" (3/3) ... [2020-09-25 07:25:25,389 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2020-09-25 07:25:25,401 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:25:25,414 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:25:25,438 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:25:25,476 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:25:25,477 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:25:25,477 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:25:25,477 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:25:25,477 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:25:25,477 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:25:25,477 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:25:25,478 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:25:25,507 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states. [2020-09-25 07:25:25,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 07:25:25,532 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:25,534 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:25:25,535 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:25,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:25,544 INFO L82 PathProgramCache]: Analyzing trace with hash 2014184638, now seen corresponding path program 1 times [2020-09-25 07:25:25,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:25,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1768541109] [2020-09-25 07:25:25,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:26,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:26,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:27,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:28,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:30,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:30,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 07:25:30,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:25:30,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 07:25:30,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:30,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:30,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:30,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 07:25:30,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:30,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 07:25:31,418 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:31,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:31,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:31,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:31,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:31,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:31,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-25 07:25:31,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:31,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:31,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:31,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:31,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:31,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:31,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:31,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:31,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:31,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:31,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:31,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:25:31,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:31,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:31,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:31,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:31,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:31,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:31,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:31,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:31,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:31,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:31,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:31,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:31,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:31,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:31,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:31,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:31,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:31,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:31,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:31,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:31,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:31,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:25:31,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:31,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:31,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:31,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:31,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:31,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:31,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:31,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:31,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:31,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:31,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:31,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:31,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:31,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:31,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:31,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 07:25:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:31,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:31,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:31,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:31,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:31,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:25:31,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:31,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:31,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:31,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:31,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:31,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:31,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:25:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:31,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:31,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:31,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:31,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:31,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 07:25:31,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:31,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:31,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:31,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:31,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:31,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:31,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:25:31,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1768541109] [2020-09-25 07:25:31,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:31,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 07:25:31,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229151442] [2020-09-25 07:25:31,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 07:25:31,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:31,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 07:25:31,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:25:31,811 INFO L87 Difference]: Start difference. First operand 287 states. Second operand 3 states. [2020-09-25 07:25:33,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:25:33,208 INFO L93 Difference]: Finished difference Result 427 states and 512 transitions. [2020-09-25 07:25:33,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 07:25:33,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 07:25:33,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:25:33,232 INFO L225 Difference]: With dead ends: 427 [2020-09-25 07:25:33,232 INFO L226 Difference]: Without dead ends: 271 [2020-09-25 07:25:33,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:25:33,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-09-25 07:25:33,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 230. [2020-09-25 07:25:33,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-09-25 07:25:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 249 transitions. [2020-09-25 07:25:33,345 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 249 transitions. Word has length 142 [2020-09-25 07:25:33,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:25:33,346 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 249 transitions. [2020-09-25 07:25:33,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 07:25:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 249 transitions. [2020-09-25 07:25:33,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 07:25:33,351 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:33,352 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] [2020-09-25 07:25:33,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:25:33,352 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:33,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:33,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1416109671, now seen corresponding path program 1 times [2020-09-25 07:25:33,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:33,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1912785713] [2020-09-25 07:25:33,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:33,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:33,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:35,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:35,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:36,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:38,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:38,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 07:25:38,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:25:38,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 07:25:38,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:38,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:38,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:38,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 07:25:38,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:25:38,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:38,747 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:38,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:38,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:38,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:38,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:38,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:38,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 07:25:38,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:38,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:38,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:38,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:38,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:38,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:38,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:38,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:38,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:38,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:38,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:38,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:38,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:38,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:38,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:38,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:38,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:38,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:38,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:38,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:38,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:38,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:38,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:25:38,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:38,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:38,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:38,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:38,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:38,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:38,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:38,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:38,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:38,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:38,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:38,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:38,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:38,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:38,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:38,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:38,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:38,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:38,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:38,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:38,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:38,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:38,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:38,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:38,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:38,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:38,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:25:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:38,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:38,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:38,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:38,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:38,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:38,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:38,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:38,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:38,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:38,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:38,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:38,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 07:25:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:38,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:38,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:38,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:38,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:38,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:38,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:38,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:38,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:38,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:25:38,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1912785713] [2020-09-25 07:25:38,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:38,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:25:38,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578902889] [2020-09-25 07:25:38,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:25:38,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:38,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:25:38,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:25:38,973 INFO L87 Difference]: Start difference. First operand 230 states and 249 transitions. Second operand 4 states. [2020-09-25 07:25:39,609 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:25:40,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:25:40,466 INFO L93 Difference]: Finished difference Result 338 states and 379 transitions. [2020-09-25 07:25:40,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 07:25:40,467 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 07:25:40,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:25:40,472 INFO L225 Difference]: With dead ends: 338 [2020-09-25 07:25:40,472 INFO L226 Difference]: Without dead ends: 254 [2020-09-25 07:25:40,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:25:40,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-09-25 07:25:40,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 220. [2020-09-25 07:25:40,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-09-25 07:25:40,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 236 transitions. [2020-09-25 07:25:40,515 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 236 transitions. Word has length 143 [2020-09-25 07:25:40,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:25:40,515 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 236 transitions. [2020-09-25 07:25:40,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:25:40,516 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 236 transitions. [2020-09-25 07:25:40,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 07:25:40,519 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:40,519 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] [2020-09-25 07:25:40,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:25:40,520 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:40,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:40,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1318753281, now seen corresponding path program 1 times [2020-09-25 07:25:40,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:40,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1629549658] [2020-09-25 07:25:40,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:40,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:41,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:41,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:42,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:45,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:45,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 07:25:45,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:25:45,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 07:25:45,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:45,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:25:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 07:25:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 07:25:45,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:45,923 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:45,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:45,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:46,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:46,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:46,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:46,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-09-25 07:25:46,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:46,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 07:25:46,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:46,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:46,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:46,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:46,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:46,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:46,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:46,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:46,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:25:46,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:46,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:46,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:46,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:46,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:46,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:46,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:46,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:46,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:46,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:46,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:46,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:25:46,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:46,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:46,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:46,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:46,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:46,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:46,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 07:25:46,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:46,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:25:46,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:46,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:46,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:46,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:46,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:46,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:46,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 07:25:46,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:46,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:25:46,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:46,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:25:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:46,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:46,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:46,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:46,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:46,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:46,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:46,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:46,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:46,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:46,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:46,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:46,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 07:25:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:46,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:46,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:46,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:46,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:46,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:46,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:46,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:46,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:25:46,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1629549658] [2020-09-25 07:25:46,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:46,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:25:46,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164178638] [2020-09-25 07:25:46,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:25:46,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:46,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:25:46,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:25:46,379 INFO L87 Difference]: Start difference. First operand 220 states and 236 transitions. Second operand 5 states. [2020-09-25 07:25:46,834 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:25:47,604 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:25:49,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:25:49,054 INFO L93 Difference]: Finished difference Result 567 states and 653 transitions. [2020-09-25 07:25:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:25:49,055 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 07:25:49,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:25:49,061 INFO L225 Difference]: With dead ends: 567 [2020-09-25 07:25:49,061 INFO L226 Difference]: Without dead ends: 457 [2020-09-25 07:25:49,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:25:49,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2020-09-25 07:25:49,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 394. [2020-09-25 07:25:49,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-09-25 07:25:49,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 440 transitions. [2020-09-25 07:25:49,182 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 440 transitions. Word has length 152 [2020-09-25 07:25:49,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:25:49,185 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 440 transitions. [2020-09-25 07:25:49,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:25:49,185 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 440 transitions. [2020-09-25 07:25:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 07:25:49,196 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:49,196 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] [2020-09-25 07:25:49,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:25:49,197 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:49,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:49,197 INFO L82 PathProgramCache]: Analyzing trace with hash -779301010, now seen corresponding path program 1 times [2020-09-25 07:25:49,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:49,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1040469637] [2020-09-25 07:25:49,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:49,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:51,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:54,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:54,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 07:25:54,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:25:54,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 07:25:54,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:54,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:54,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:25:54,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 07:25:54,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-25 07:25:54,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:25:54,648 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:54,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:54,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:54,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:54,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:54,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:54,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 07:25:54,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:54,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:54,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:54,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:54,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:54,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:54,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:54,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:54,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:54,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:54,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:54,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:54,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:54,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:54,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:54,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:54,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:54,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:54,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:54,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:54,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:54,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:54,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:54,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:54,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:54,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:54,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:54,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:54,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:54,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:54,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:54,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:25:54,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:54,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:54,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:54,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:54,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:54,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:54,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:54,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:54,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:54,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:54,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:54,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:54,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:54,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:54,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:54,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 07:25:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:54,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:54,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:54,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:54,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 07:25:54,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:25:54,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 07:25:54,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:54,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:54,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:54,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:54,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:25:54,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:54,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:25:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:54,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:54,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:54,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:54,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:54,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:25:54,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:54,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:54,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:54,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:25:54,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:54,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 07:25:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:54,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:54,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:54,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:54,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:54,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:25:54,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:54,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:54,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:54,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:54,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:25:54,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:54,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 07:25:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:54,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:54,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:54,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:54,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:54,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 07:25:54,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:54,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:54,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:25:54,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:25:54,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:25:55,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1040469637] [2020-09-25 07:25:55,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:55,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 07:25:55,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104428497] [2020-09-25 07:25:55,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 07:25:55,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:55,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 07:25:55,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 07:25:55,024 INFO L87 Difference]: Start difference. First operand 394 states and 440 transitions. Second operand 9 states. [2020-09-25 07:25:55,700 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:25:56,892 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:25:57,197 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 07:25:57,531 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:57,840 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:25:58,141 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:58,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:25:58,266 INFO L93 Difference]: Finished difference Result 630 states and 732 transitions. [2020-09-25 07:25:58,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 07:25:58,267 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 07:25:58,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:25:58,268 INFO L225 Difference]: With dead ends: 630 [2020-09-25 07:25:58,268 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 07:25:58,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 07:25:58,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 07:25:58,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 07:25:58,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 07:25:58,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 07:25:58,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2020-09-25 07:25:58,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:25:58,274 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 07:25:58,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 07:25:58,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 07:25:58,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 07:25:58,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:25:58,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 07:25:58,461 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:58,634 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:58,801 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 07:25:58,972 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:59,235 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 186 [2020-09-25 07:25:59,571 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:25:59,828 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:26:00,148 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:26:00,304 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:00,463 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:00,616 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:00,767 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:00,918 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:01,058 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:26:01,207 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:01,364 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:01,513 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:01,662 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:01,812 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:01,960 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:02,110 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:02,253 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:02,404 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:02,552 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:02,698 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:02,847 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:02,994 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:03,145 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:03,288 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:03,436 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:03,585 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:03,697 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 07:26:03,935 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:26:04,249 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:26:04,484 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:26:04,794 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:26:04,944 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:05,091 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:05,249 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:05,397 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:05,545 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:05,646 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 07:26:05,798 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:05,941 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:06,091 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:06,243 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:06,392 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:06,536 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:06,684 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:06,844 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:06,996 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:07,103 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 07:26:07,264 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:07,418 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:07,561 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:07,705 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:07,853 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:08,003 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:08,151 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:08,300 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:08,450 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:08,593 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:09,090 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9 [2020-09-25 07:26:09,312 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:26:09,680 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 11 [2020-09-25 07:26:09,874 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-25 07:26:10,102 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:26:10,321 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:26:10,580 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:26:10,994 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 11 [2020-09-25 07:26:11,204 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 07:26:11,612 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 07:26:11,939 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 07:26:12,379 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14