/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 17:57:33,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:57:33,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:57:33,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:57:33,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:57:33,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:57:33,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:57:33,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:57:33,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:57:33,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:57:33,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:57:33,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:57:33,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:57:33,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:57:33,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:57:33,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:57:33,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:57:33,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:57:33,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:57:33,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:57:33,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:57:33,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:57:33,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:57:33,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:57:33,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:57:33,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:57:33,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:57:33,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:57:33,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:57:33,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:57:33,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:57:33,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:57:33,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:57:33,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:57:33,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:57:33,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:57:33,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:57:33,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:57:33,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:57:33,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:57:33,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:57:33,210 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 17:57:33,235 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:57:33,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:57:33,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:57:33,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:57:33,237 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:57:33,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:57:33,237 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:57:33,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:57:33,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:57:33,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:57:33,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:57:33,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:57:33,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:57:33,239 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:57:33,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:57:33,239 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:57:33,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:57:33,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:57:33,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:57:33,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:57:33,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:57:33,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:57:33,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:57:33,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:57:33,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:57:33,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:57:33,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:57:33,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:57:33,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:57:33,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 17:57:33,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:57:33,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:57:33,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:57:33,724 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:57:33,726 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:57:33,727 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2020-09-24 17:57:33,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bca6597e4/24426c9ba4524c1586fe7188a8222096/FLAG39f6f2a30 [2020-09-24 17:57:34,456 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:57:34,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2020-09-24 17:57:34,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bca6597e4/24426c9ba4524c1586fe7188a8222096/FLAG39f6f2a30 [2020-09-24 17:57:34,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bca6597e4/24426c9ba4524c1586fe7188a8222096 [2020-09-24 17:57:34,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:57:34,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:57:34,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:57:34,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:57:34,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:57:34,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:57:34" (1/1) ... [2020-09-24 17:57:34,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cafb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:34, skipping insertion in model container [2020-09-24 17:57:34,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:57:34" (1/1) ... [2020-09-24 17:57:34,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:57:34,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:57:35,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:57:35,393 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:57:35,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:57:35,518 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:57:35,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:35 WrapperNode [2020-09-24 17:57:35,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:57:35,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:57:35,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:57:35,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:57:35,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:35" (1/1) ... [2020-09-24 17:57:35,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:35" (1/1) ... [2020-09-24 17:57:35,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:35" (1/1) ... [2020-09-24 17:57:35,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:35" (1/1) ... [2020-09-24 17:57:35,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:35" (1/1) ... [2020-09-24 17:57:35,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:35" (1/1) ... [2020-09-24 17:57:35,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:35" (1/1) ... [2020-09-24 17:57:35,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:57:35,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:57:35,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:57:35,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:57:35,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:57:35,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:57:35,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:57:35,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 17:57:35,740 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 17:57:35,740 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 17:57:35,741 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 17:57:35,741 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 17:57:35,741 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 17:57:35,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 17:57:35,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 17:57:35,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 17:57:35,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 17:57:35,743 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 17:57:35,743 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 17:57:35,743 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 17:57:35,744 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 17:57:35,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 17:57:35,744 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 17:57:35,745 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:57:35,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 17:57:35,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 17:57:35,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 17:57:35,746 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 17:57:35,746 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 17:57:35,747 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 17:57:35,747 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 17:57:35,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 17:57:35,747 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 17:57:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 17:57:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 17:57:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 17:57:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 17:57:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 17:57:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 17:57:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 17:57:35,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 17:57:35,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 17:57:35,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 17:57:35,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 17:57:35,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:57:35,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:57:35,750 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 17:57:35,750 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 17:57:35,750 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 17:57:35,750 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 17:57:35,750 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 17:57:35,750 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 17:57:35,751 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 17:57:35,751 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 17:57:35,751 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 17:57:35,751 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 17:57:35,752 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 17:57:35,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 17:57:35,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 17:57:35,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 17:57:35,753 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 17:57:35,753 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 17:57:35,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:57:35,753 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 17:57:35,753 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 17:57:35,753 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 17:57:35,754 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 17:57:35,754 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 17:57:35,754 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 17:57:35,754 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 17:57:35,754 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 17:57:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 17:57:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 17:57:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 17:57:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:57:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 17:57:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 17:57:35,757 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 17:57:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 17:57:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 17:57:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 17:57:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 17:57:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 17:57:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:57:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 17:57:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 17:57:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:57:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 17:57:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 17:57:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:57:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 17:57:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 17:57:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 17:57:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 17:57:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:57:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 17:57:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:57:36,931 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:57:36,931 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 17:57:36,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:57:36 BoogieIcfgContainer [2020-09-24 17:57:36,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:57:36,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:57:36,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:57:36,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:57:36,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:57:34" (1/3) ... [2020-09-24 17:57:36,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6184efd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:57:36, skipping insertion in model container [2020-09-24 17:57:36,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:35" (2/3) ... [2020-09-24 17:57:36,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6184efd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:57:36, skipping insertion in model container [2020-09-24 17:57:36,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:57:36" (3/3) ... [2020-09-24 17:57:36,949 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2020-09-24 17:57:36,961 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:57:36,973 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:57:36,997 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:57:37,031 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:57:37,032 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:57:37,032 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:57:37,032 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:57:37,032 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:57:37,032 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:57:37,032 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:57:37,032 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:57:37,057 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states. [2020-09-24 17:57:37,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 17:57:37,074 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:37,075 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:57:37,076 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:37,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:37,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1028134006, now seen corresponding path program 1 times [2020-09-24 17:57:37,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:37,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [873302998] [2020-09-24 17:57:37,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:37,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:37,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:39,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:40,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:41,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:42,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:42,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:42,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 17:57:42,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 17:57:42,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5076 [2020-09-24 17:57:42,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:42,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 17:57:42,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:42,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 17:57:43,074 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:43,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:57:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:43,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:43,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:43,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:57:43,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:43,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-24 17:57:43,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:43,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:43,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:43,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:43,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:43,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:57:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:43,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:43,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:43,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:43,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:43,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:43,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:43,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:43,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:43,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:57:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:43,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:43,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:43,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:43,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:43,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:57:43,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:43,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:43,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:43,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:43,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:43,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:57:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:43,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:43,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:43,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:43,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:43,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 17:57:43,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:43,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:43,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:43,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:43,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:43,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:57:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:43,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:43,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:43,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:43,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:43,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:57:43,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:43,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:43,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:43,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:43,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:43,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:57:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:43,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:43,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:43,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:43,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:43,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:43,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:43,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:43,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:43,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:43,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:43,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 17:57:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:43,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:43,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:43,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:43,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:43,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:43,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:43,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:43,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 17:57:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:43,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:43,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:43,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:43,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:43,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:43,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:43,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:43,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:43,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:43,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:57:43,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [873302998] [2020-09-24 17:57:43,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:57:43,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 17:57:43,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154105772] [2020-09-24 17:57:43,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 17:57:43,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:57:43,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 17:57:43,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 17:57:43,625 INFO L87 Difference]: Start difference. First operand 294 states. Second operand 4 states. [2020-09-24 17:57:44,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:57:44,989 INFO L93 Difference]: Finished difference Result 436 states and 516 transitions. [2020-09-24 17:57:44,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 17:57:44,992 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 17:57:44,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:57:45,012 INFO L225 Difference]: With dead ends: 436 [2020-09-24 17:57:45,012 INFO L226 Difference]: Without dead ends: 284 [2020-09-24 17:57:45,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 17:57:45,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-09-24 17:57:45,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 237. [2020-09-24 17:57:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-09-24 17:57:45,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 255 transitions. [2020-09-24 17:57:45,165 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 255 transitions. Word has length 148 [2020-09-24 17:57:45,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:57:45,168 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 255 transitions. [2020-09-24 17:57:45,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 17:57:45,169 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 255 transitions. [2020-09-24 17:57:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 17:57:45,181 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:45,181 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:57:45,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:57:45,182 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:45,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:45,189 INFO L82 PathProgramCache]: Analyzing trace with hash 3142952, now seen corresponding path program 1 times [2020-09-24 17:57:45,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:45,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098926251] [2020-09-24 17:57:45,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:45,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:45,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:47,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:47,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:49,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:50,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:50,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:50,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 17:57:50,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 17:57:50,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5078 [2020-09-24 17:57:50,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:50,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 17:57:50,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 17:57:50,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:50,835 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:50,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:57:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:50,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:50,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:50,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:57:50,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:50,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-24 17:57:50,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:50,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:50,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:50,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:50,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:51,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:57:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:51,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:51,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:51,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:51,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:51,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:57:51,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:51,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:51,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:51,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:57:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:51,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:51,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:51,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:51,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:51,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:51,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:51,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:51,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:51,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:51,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:51,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:57:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:51,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:51,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:51,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:51,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:51,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:57:51,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:51,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:51,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:51,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:51,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:51,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:57:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:51,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:51,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:51,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:51,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:51,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:51,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:51,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:51,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:51,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:51,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:51,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:57:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:51,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:51,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:51,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:51,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:51,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:51,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:51,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:51,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:51,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:51,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:51,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 17:57:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:51,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:51,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:51,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:51,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:51,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:51,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:51,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:51,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:51,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:51,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:51,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 17:57:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:51,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:51,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:51,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:51,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:51,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:51,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:51,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:51,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:51,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:51,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:51,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:57:51,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2098926251] [2020-09-24 17:57:51,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:57:51,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 17:57:51,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910657849] [2020-09-24 17:57:51,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 17:57:51,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:57:51,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 17:57:51,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 17:57:51,114 INFO L87 Difference]: Start difference. First operand 237 states and 255 transitions. Second operand 5 states. [2020-09-24 17:57:51,818 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 17:57:52,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:57:52,677 INFO L93 Difference]: Finished difference Result 361 states and 407 transitions. [2020-09-24 17:57:52,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 17:57:52,677 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 17:57:52,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:57:52,681 INFO L225 Difference]: With dead ends: 361 [2020-09-24 17:57:52,681 INFO L226 Difference]: Without dead ends: 273 [2020-09-24 17:57:52,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 17:57:52,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-09-24 17:57:52,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 227. [2020-09-24 17:57:52,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-09-24 17:57:52,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 242 transitions. [2020-09-24 17:57:52,726 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 242 transitions. Word has length 149 [2020-09-24 17:57:52,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:57:52,727 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 242 transitions. [2020-09-24 17:57:52,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 17:57:52,727 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 242 transitions. [2020-09-24 17:57:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 17:57:52,729 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:52,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:57:52,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 17:57:52,730 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:52,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:52,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1025108688, now seen corresponding path program 1 times [2020-09-24 17:57:52,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:52,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [526075466] [2020-09-24 17:57:52,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:52,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:53,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:53,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:54,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:55,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:57,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:57,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-24 17:57:57,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:57:57,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-24 17:57:57,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:57,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:57,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 17:57:57,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 17:57:57,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:58,089 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:58,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:57:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:58,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:58,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:58,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:57:58,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:58,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-24 17:57:58,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:58,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:58,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:58,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:58,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:58,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:57:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:58,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:58,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:58,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:58,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:58,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:57:58,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:58,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:58,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:58,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:58,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:57:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:58,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:58,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:58,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:58,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:58,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:58,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:58,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:58,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:57:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:58,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:58,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:58,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:58,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:58,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:57:58,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:58,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:58,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:58,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:58,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:58,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:57:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:58,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:58,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:58,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:58,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:58,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:57:58,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:58,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:58,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:58,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:58,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:58,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:57:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:58,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:58,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:58,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:58,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:58,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:58,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:58,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:57:58,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 17:57:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:58,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:58,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:58,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:58,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:58,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:57:58,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:58,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:58,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:58,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 17:57:58,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:58,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 17:57:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:58,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:58,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:58,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:58,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:58,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:58,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:58,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:58,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:58,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:58,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:58,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 17:57:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:58,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:58,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:58,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:58,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:58,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:58,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:58,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:58,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:58,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:58,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:57:58,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [526075466] [2020-09-24 17:57:58,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:57:58,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 17:57:58,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159357808] [2020-09-24 17:57:58,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 17:57:58,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:57:58,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 17:57:58,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 17:57:58,343 INFO L87 Difference]: Start difference. First operand 227 states and 242 transitions. Second operand 6 states. [2020-09-24 17:57:58,868 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:57:59,816 INFO L93 Difference]: Finished difference Result 408 states and 472 transitions. [2020-09-24 17:57:59,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 17:57:59,818 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-24 17:57:59,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:57:59,822 INFO L225 Difference]: With dead ends: 408 [2020-09-24 17:57:59,822 INFO L226 Difference]: Without dead ends: 296 [2020-09-24 17:57:59,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 17:57:59,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-09-24 17:57:59,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 227. [2020-09-24 17:57:59,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-09-24 17:57:59,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 241 transitions. [2020-09-24 17:57:59,878 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 241 transitions. Word has length 162 [2020-09-24 17:57:59,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:57:59,879 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 241 transitions. [2020-09-24 17:57:59,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 17:57:59,879 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 241 transitions. [2020-09-24 17:57:59,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-24 17:57:59,881 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:59,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:57:59,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 17:57:59,882 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:59,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:59,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1451512261, now seen corresponding path program 1 times [2020-09-24 17:57:59,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:59,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1963053027] [2020-09-24 17:57:59,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:59,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:00,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:00,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:02,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:04,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:04,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-24 17:58:04,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 17:58:04,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-24 17:58:04,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:04,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 17:58:04,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-09-24 17:58:04,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-24 17:58:04,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:05,312 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:58:05,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:58:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:05,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:05,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:05,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:58:05,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:05,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-24 17:58:05,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:05,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:05,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:05,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:05,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:05,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:58:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:05,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:05,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:05,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:05,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:05,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:58:05,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:05,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:05,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:05,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:58:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:05,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:05,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:05,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:05,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:05,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:05,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:05,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:05,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:05,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:05,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:58:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:05,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:05,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:05,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:05,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:05,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:58:05,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:05,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:05,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:58:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:05,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:05,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:05,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:05,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:05,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:05,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:05,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:05,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:05,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:58:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:05,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:05,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:05,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:58:05,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:05,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:05,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:05,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:05,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:05,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 17:58:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:05,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:05,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:05,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:58:05,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:05,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:58:05,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:05,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:05,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:05,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:05,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:05,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 17:58:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:05,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:05,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:05,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 17:58:05,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:05,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:58:05,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:58:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 17:58:05,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:05,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 17:58:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:05,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:05,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:05,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:05,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:05,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:58:05,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:05,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:58:05,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:05,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 17:58:05,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:05,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 17:58:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:05,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:05,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:05,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:05,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:05,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:58:05,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:58:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 17:58:05,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:05,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 17:58:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:05,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:05,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:05,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:05,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:05,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 17:58:05,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 17:58:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 17:58:05,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:58:05,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1963053027] [2020-09-24 17:58:05,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:58:05,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 17:58:05,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492162645] [2020-09-24 17:58:05,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 17:58:05,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:58:05,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 17:58:05,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 17:58:05,727 INFO L87 Difference]: Start difference. First operand 227 states and 241 transitions. Second operand 11 states. [2020-09-24 17:58:06,514 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:07,956 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-24 17:58:08,529 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-24 17:58:08,859 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:09,136 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 17:58:09,396 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:09,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:58:09,654 INFO L93 Difference]: Finished difference Result 364 states and 420 transitions. [2020-09-24 17:58:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 17:58:09,655 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 170 [2020-09-24 17:58:09,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:58:09,656 INFO L225 Difference]: With dead ends: 364 [2020-09-24 17:58:09,656 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 17:58:09,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2020-09-24 17:58:09,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 17:58:09,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 17:58:09,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 17:58:09,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 17:58:09,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170 [2020-09-24 17:58:09,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:58:09,659 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 17:58:09,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 17:58:09,659 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 17:58:09,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 17:58:09,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 17:58:09,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 17:58:09,861 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:10,056 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:10,244 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:10,422 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:10,593 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:10,766 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:10,924 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:11,126 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 12 [2020-09-24 17:58:11,298 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:11,462 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:11,619 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:11,774 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:11,919 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:58:12,269 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:12,615 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:12,967 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:13,313 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:13,660 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:13,817 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:13,971 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:14,124 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:14,280 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:14,433 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:14,585 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:14,738 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:14,893 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:15,048 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:15,201 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:15,356 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:15,509 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:15,661 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:15,814 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:15,967 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:16,120 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:16,273 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:16,441 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:16,591 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 12 [2020-09-24 17:58:16,746 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 12 [2020-09-24 17:58:16,904 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:17,059 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:17,230 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 12 [2020-09-24 17:58:17,387 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:17,542 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:17,698 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:18,052 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:18,398 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:18,740 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:19,085 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:19,428 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-24 17:58:19,585 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:19,774 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 12 [2020-09-24 17:58:19,936 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:20,092 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:20,298 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-24 17:58:20,500 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-24 17:58:20,697 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-24 17:58:20,919 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:58:21,140 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:58:21,371 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-24 17:58:21,645 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:58:21,865 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-24 17:58:22,074 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-24 17:58:22,257 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-24 17:58:22,433 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:58:22,657 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:58:22,837 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-24 17:58:23,096 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23