/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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 17:57:44,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:57:44,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:57:44,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:57:44,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:57:44,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:57:44,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:57:44,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:57:44,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:57:44,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:57:44,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:57:44,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:57:44,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:57:44,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:57:44,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:57:44,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:57:44,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:57:44,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:57:44,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:57:44,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:57:44,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:57:44,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:57:44,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:57:44,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:57:44,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:57:44,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:57:44,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:57:44,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:57:44,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:57:44,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:57:44,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:57:44,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:57:44,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:57:44,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:57:44,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:57:44,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:57:44,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:57:44,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:57:44,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:57:44,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:57:44,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:57:44,287 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 17:57:44,314 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:57:44,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:57:44,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:57:44,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:57:44,316 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:57:44,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:57:44,316 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:57:44,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:57:44,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:57:44,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:57:44,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:57:44,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:57:44,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:57:44,318 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:57:44,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:57:44,318 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:57:44,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:57:44,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:57:44,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:57:44,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:57:44,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:57:44,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:57:44,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:57:44,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:57:44,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:57:44,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:57:44,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:57:44,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:57:44,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:57:44,321 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 17:57:44,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:57:44,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:57:44,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:57:44,820 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:57:44,820 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:57:44,821 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2020-09-24 17:57:44,920 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8d8be6c9/7010595b2e534156a4a4eaafbc5e795e/FLAG311b36d86 [2020-09-24 17:57:45,582 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:57:45,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2020-09-24 17:57:45,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8d8be6c9/7010595b2e534156a4a4eaafbc5e795e/FLAG311b36d86 [2020-09-24 17:57:45,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8d8be6c9/7010595b2e534156a4a4eaafbc5e795e [2020-09-24 17:57:45,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:57:45,852 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:57:45,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:57:45,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:57:45,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:57:45,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:57:45" (1/1) ... [2020-09-24 17:57:45,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a529ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:45, skipping insertion in model container [2020-09-24 17:57:45,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:57:45" (1/1) ... [2020-09-24 17:57:45,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:57:45,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:57:46,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:57:46,509 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:57:46,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:57:46,658 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:57:46,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:46 WrapperNode [2020-09-24 17:57:46,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:57:46,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:57:46,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:57:46,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:57:46,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:46" (1/1) ... [2020-09-24 17:57:46,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:46" (1/1) ... [2020-09-24 17:57:46,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:46" (1/1) ... [2020-09-24 17:57:46,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:46" (1/1) ... [2020-09-24 17:57:46,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:46" (1/1) ... [2020-09-24 17:57:46,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:46" (1/1) ... [2020-09-24 17:57:46,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:46" (1/1) ... [2020-09-24 17:57:46,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:57:46,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:57:46,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:57:46,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:57:46,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:46" (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 17:57:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:57:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:57:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 17:57:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 17:57:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 17:57:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 17:57:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 17:57:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 17:57:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 17:57:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 17:57:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 17:57:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 17:57:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 17:57:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 17:57:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 17:57:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 17:57:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 17:57:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 17:57:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 17:57:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 17:57:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 17:57:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 17:57:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 17:57:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 17:57:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 17:57:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 17:57:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 17:57:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 17:57:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 17:57:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 17:57:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:57:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 17:57:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 17:57:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 17:57:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 17:57:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 17:57:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 17:57:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 17:57:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 17:57:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 17:57:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 17:57:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:57:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:57:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 17:57:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 17:57:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 17:57:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 17:57:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 17:57:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 17:57:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 17:57:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 17:57:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 17:57:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 17:57:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 17:57:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 17:57:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 17:57:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 17:57:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 17:57:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 17:57:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 17:57:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 17:57:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:57:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 17:57:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 17:57:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 17:57:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 17:57:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 17:57:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 17:57:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 17:57:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 17:57:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 17:57:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 17:57:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:57:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 17:57:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 17:57:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:57:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 17:57:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 17:57:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:57:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 17:57:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 17:57:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 17:57:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 17:57:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 17:57:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 17:57:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 17:57:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 17:57:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 17:57:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 17:57:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 17:57:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:57:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 17:57:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 17:57:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:57:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 17:57:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:57:48,105 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:57:48,106 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 17:57:48,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:57:48 BoogieIcfgContainer [2020-09-24 17:57:48,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:57:48,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:57:48,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:57:48,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:57:48,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:57:45" (1/3) ... [2020-09-24 17:57:48,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c60048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:57:48, skipping insertion in model container [2020-09-24 17:57:48,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:57:46" (2/3) ... [2020-09-24 17:57:48,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c60048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:57:48, skipping insertion in model container [2020-09-24 17:57:48,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:57:48" (3/3) ... [2020-09-24 17:57:48,124 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2020-09-24 17:57:48,136 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:57:48,148 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:57:48,176 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:57:48,214 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:57:48,214 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:57:48,214 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:57:48,214 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:57:48,215 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:57:48,215 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:57:48,215 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:57:48,215 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:57:48,256 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states. [2020-09-24 17:57:48,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 17:57:48,296 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:48,299 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 17:57:48,300 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:48,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:48,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1511101024, now seen corresponding path program 1 times [2020-09-24 17:57:48,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:48,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069763745] [2020-09-24 17:57:48,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:48,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:49,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:50,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:51,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:52,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:53,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:53,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:53,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 17:57:53,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 17:57:53,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-24 17:57:53,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:53,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:53,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 17:57:53,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:53,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 17:57:54,321 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:54,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:57:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:54,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:54,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:54,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:57:54,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:54,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-24 17:57:54,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:54,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:54,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:54,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:54,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:54,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:57:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:54,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:54,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:54,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:54,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:54,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:54,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:54,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:54,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:54,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:54,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:54,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:57:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:54,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:54,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:54,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:54,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:54,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:54,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:54,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:54,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:54,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:54,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:54,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:57:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:54,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:54,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:54,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:54,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:54,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:57:54,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:54,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:54,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:54,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:54,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:54,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:57:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:54,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:54,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:54,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:54,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:54,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:54,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:54,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:54,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:54,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:54,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:54,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:57:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:54,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:54,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:54,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:54,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:54,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:54,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:54,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:54,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:54,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:54,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:54,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 17:57:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:54,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:54,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:54,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:54,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:54,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:54,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:54,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:54,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:54,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:54,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:54,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 17:57:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:54,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:54,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:54,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:54,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:54,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:54,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:54,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:54,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:54,614 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 17:57:54,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069763745] [2020-09-24 17:57:54,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:57:54,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 17:57:54,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131189468] [2020-09-24 17:57:54,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 17:57:54,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:57:54,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 17:57:54,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 17:57:54,648 INFO L87 Difference]: Start difference. First operand 314 states. Second operand 4 states. [2020-09-24 17:57:56,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:57:56,151 INFO L93 Difference]: Finished difference Result 493 states and 590 transitions. [2020-09-24 17:57:56,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 17:57:56,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 17:57:56,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:57:56,175 INFO L225 Difference]: With dead ends: 493 [2020-09-24 17:57:56,175 INFO L226 Difference]: Without dead ends: 315 [2020-09-24 17:57:56,182 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 17:57:56,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-09-24 17:57:56,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 263. [2020-09-24 17:57:56,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-09-24 17:57:56,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 288 transitions. [2020-09-24 17:57:56,298 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 288 transitions. Word has length 148 [2020-09-24 17:57:56,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:57:56,301 INFO L479 AbstractCegarLoop]: Abstraction has 263 states and 288 transitions. [2020-09-24 17:57:56,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 17:57:56,301 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 288 transitions. [2020-09-24 17:57:56,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 17:57:56,307 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:56,312 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 17:57:56,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:57:56,313 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:56,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:56,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1531799497, now seen corresponding path program 1 times [2020-09-24 17:57:56,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:56,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1518782813] [2020-09-24 17:57:56,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:56,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:56,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:58,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:59,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:00,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:01,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:01,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:01,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 17:58:01,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 17:58:01,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-24 17:58:01,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:58:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 17:58:01,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 17:58:01,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:01,689 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:58:01,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:58:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:01,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:01,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:01,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:58:01,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:01,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-24 17:58:01,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:01,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:01,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:01,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:01,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:01,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:58:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:01,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:01,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:01,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:01,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:01,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:01,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:01,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:01,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:01,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:01,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:01,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:58:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:01,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:01,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:01,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:01,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:01,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:58:01,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:01,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:01,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:58:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:01,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:01,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:01,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:01,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:01,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:58:01,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:01,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:01,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:01,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:01,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:01,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:58:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:01,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:01,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:01,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:01,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:01,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:58:01,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:01,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:01,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:58:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:01,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:01,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:01,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:58:01,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:01,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:01,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:01,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:01,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 17:58:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:01,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:01,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:01,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:01,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:01,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:01,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:01,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:01,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:58:01,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:01,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:01,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 17:58:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:01,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:01,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:01,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:01,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:01,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:01,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:01,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:01,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:58:01,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:01,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:01,937 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 17:58:01,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1518782813] [2020-09-24 17:58:01,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:58:01,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 17:58:01,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248355558] [2020-09-24 17:58:01,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 17:58:01,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:58:01,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 17:58:01,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 17:58:01,942 INFO L87 Difference]: Start difference. First operand 263 states and 288 transitions. Second operand 5 states. [2020-09-24 17:58:02,685 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 17:58:03,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:58:03,848 INFO L93 Difference]: Finished difference Result 412 states and 473 transitions. [2020-09-24 17:58:03,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 17:58:03,849 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 17:58:03,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:58:03,854 INFO L225 Difference]: With dead ends: 412 [2020-09-24 17:58:03,854 INFO L226 Difference]: Without dead ends: 304 [2020-09-24 17:58:03,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 17:58:03,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-09-24 17:58:03,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 253. [2020-09-24 17:58:03,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-09-24 17:58:03,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 275 transitions. [2020-09-24 17:58:03,907 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 275 transitions. Word has length 149 [2020-09-24 17:58:03,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:58:03,908 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 275 transitions. [2020-09-24 17:58:03,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 17:58:03,909 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 275 transitions. [2020-09-24 17:58:03,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 17:58:03,911 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:58:03,911 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 17:58:03,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 17:58:03,912 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:58:03,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:58:03,912 INFO L82 PathProgramCache]: Analyzing trace with hash 931015200, now seen corresponding path program 1 times [2020-09-24 17:58:03,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:58:03,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474722283] [2020-09-24 17:58:03,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:58:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:04,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:04,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:05,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:05,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:06,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:08,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:08,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-24 17:58:08,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:58:08,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-24 17:58:08,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:58:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 17:58:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 17:58:08,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:09,309 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:58:09,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:58:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:09,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:09,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:09,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:58:09,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:09,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-24 17:58:09,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:09,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:09,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:58:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:09,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:09,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:09,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:09,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:09,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:09,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:09,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:09,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:09,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:09,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:09,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:58:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:09,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:09,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:09,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:09,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:09,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:09,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:09,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:09,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:09,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:09,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:09,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:58:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:09,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:09,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:09,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:09,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:09,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:58:09,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:09,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:09,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:09,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:09,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:09,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:58:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:09,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:09,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:09,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:09,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:09,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:58:09,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:09,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:09,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:58:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:09,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:09,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:09,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:58:09,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:09,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:09,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:09,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:09,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:09,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:09,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:09,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 17:58:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:09,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:09,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:09,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:58:09,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:09,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:58:09,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:09,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:58:09,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:09,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 17:58:09,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:09,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 17:58:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:09,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:09,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:09,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:09,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:09,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:09,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:58:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:09,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:09,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 17:58:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:09,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:09,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:09,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:09,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:09,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:58:09,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:58:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:09,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:09,568 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 17:58:09,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474722283] [2020-09-24 17:58:09,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:58:09,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 17:58:09,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611404581] [2020-09-24 17:58:09,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 17:58:09,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:58:09,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 17:58:09,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 17:58:09,573 INFO L87 Difference]: Start difference. First operand 253 states and 275 transitions. Second operand 6 states. [2020-09-24 17:58:10,077 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:12,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:58:12,237 INFO L93 Difference]: Finished difference Result 613 states and 725 transitions. [2020-09-24 17:58:12,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 17:58:12,238 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-24 17:58:12,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:58:12,243 INFO L225 Difference]: With dead ends: 613 [2020-09-24 17:58:12,243 INFO L226 Difference]: Without dead ends: 475 [2020-09-24 17:58:12,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 17:58:12,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2020-09-24 17:58:12,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 381. [2020-09-24 17:58:12,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-09-24 17:58:12,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 426 transitions. [2020-09-24 17:58:12,323 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 426 transitions. Word has length 162 [2020-09-24 17:58:12,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:58:12,323 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 426 transitions. [2020-09-24 17:58:12,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 17:58:12,324 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 426 transitions. [2020-09-24 17:58:12,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 17:58:12,327 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:58:12,327 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:58:12,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 17:58:12,327 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:58:12,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:58:12,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1769264987, now seen corresponding path program 1 times [2020-09-24 17:58:12,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:58:12,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343517803] [2020-09-24 17:58:12,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:58:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:12,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:13,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:13,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:14,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:16,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:17,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:17,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 17:58:17,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:58:17,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-24 17:58:17,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:17,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 17:58:17,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-24 17:58:17,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 17:58:17,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:17,770 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:58:17,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:58:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:17,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:17,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:17,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:58:17,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:17,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-24 17:58:17,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:17,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:17,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:17,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:17,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:17,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:58:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:17,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:17,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:17,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:17,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:17,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:58:17,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:17,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:17,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:58:17,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:58:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:17,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:17,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:17,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:17,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:17,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:17,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:17,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:17,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:17,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:17,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:17,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:58:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:17,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:17,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:17,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:17,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:17,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:58:17,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:17,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:17,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:17,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:17,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:58:17,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:58:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:17,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:17,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:17,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:58:17,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:18,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:18,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:18,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:18,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:18,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:18,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:18,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:58:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:18,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:18,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:18,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:58:18,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:18,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:18,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:18,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:18,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:18,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:18,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:18,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 17:58:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:18,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:18,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:18,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:58:18,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:18,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:58:18,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:18,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:58:18,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:18,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:58:18,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:18,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 17:58:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:18,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:18,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:18,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:18,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:18,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:58:18,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:18,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:58:18,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:18,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 17:58:18,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 17:58:18,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 17:58:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:58:18,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:58:18,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:58:18,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:58:18,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:58:18,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 17:58:18,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:58:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 17:58:18,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:58:18,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 17:58:18,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:58:18,173 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 17:58:18,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343517803] [2020-09-24 17:58:18,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:58:18,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:58:18,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610598397] [2020-09-24 17:58:18,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:58:18,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:58:18,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:58:18,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:58:18,179 INFO L87 Difference]: Start difference. First operand 381 states and 426 transitions. Second operand 10 states. [2020-09-24 17:58:18,869 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:20,230 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:20,532 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 17:58:20,854 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:21,162 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 17:58:21,457 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:21,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:58:21,730 INFO L93 Difference]: Finished difference Result 612 states and 730 transitions. [2020-09-24 17:58:21,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 17:58:21,731 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-24 17:58:21,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:58:21,732 INFO L225 Difference]: With dead ends: 612 [2020-09-24 17:58:21,733 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 17:58:21,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-09-24 17:58:21,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 17:58:21,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 17:58:21,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 17:58:21,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 17:58:21,736 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2020-09-24 17:58:21,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:58:21,736 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 17:58:21,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:58:21,736 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 17:58:21,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 17:58:21,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 17:58:21,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 17:58:21,937 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:22,109 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:22,386 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-24 17:58:22,658 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-24 17:58:22,963 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:58:23,249 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:58:23,531 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:58:23,798 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:58:24,063 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:58:24,216 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:24,383 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:24,539 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:24,694 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:24,844 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:24,999 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:25,120 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-24 17:58:25,258 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-24 17:58:25,442 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:25,763 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:58:26,083 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:58:26,403 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:58:26,726 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:58:26,870 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:58:27,019 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:27,169 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:27,326 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:27,480 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:27,633 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:27,787 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:27,945 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:28,098 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:28,247 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:28,408 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:28,563 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:28,717 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:28,866 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:29,020 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:29,173 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:29,344 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:29,447 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-24 17:58:29,597 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:29,750 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:29,904 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:30,058 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:30,224 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:30,377 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:30,529 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:30,681 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:30,927 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-24 17:58:31,173 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-24 17:58:31,439 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:58:31,702 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:58:31,968 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:58:32,231 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:58:32,496 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:58:32,662 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:32,822 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:32,926 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-24 17:58:33,080 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:33,187 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-24 17:58:33,341 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:33,495 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:33,648 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:33,758 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-24 17:58:33,911 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:34,072 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:34,220 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:34,383 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:34,535 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:34,706 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:34,861 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:35,016 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:35,164 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:35,318 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:35,471 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:35,624 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:35,776 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:58:35,924 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:58:36,077 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191