/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 interpolation-heuristic=FIRST --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_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:45:03,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:45:03,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:45:03,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:45:03,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:45:03,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:45:03,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:45:03,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:45:03,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:45:03,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:45:03,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:45:03,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:45:03,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:45:03,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:45:03,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:45:03,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:45:03,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:45:03,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:45:03,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:45:03,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:45:03,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:45:03,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:45:03,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:45:03,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:45:03,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:45:03,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:45:03,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:45:03,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:45:03,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:45:03,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:45:03,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:45:03,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:45:03,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:45:03,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:45:03,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:45:03,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:45:03,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:45:03,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:45:03,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:45:03,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:45:03,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:45:03,221 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 15:45:03,274 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:45:03,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:45:03,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:45:03,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:45:03,276 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:45:03,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:45:03,276 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:45:03,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:45:03,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:45:03,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:45:03,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:45:03,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:45:03,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:45:03,278 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:45:03,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:45:03,278 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:45:03,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:45:03,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:45:03,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:45:03,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:45:03,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:45:03,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:45:03,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:45:03,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:45:03,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:45:03,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:45:03,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:45:03,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:45:03,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:45:03,281 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:45:03,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:45:03,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:45:03,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:45:03,770 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:45:03,771 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:45:03,773 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-09-24 15:45:03,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/70e80e19e/d63defeaeae84315a893c8f743f60f68/FLAGe250d0bdd [2020-09-24 15:45:04,466 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:45:04,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-09-24 15:45:04,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/70e80e19e/d63defeaeae84315a893c8f743f60f68/FLAGe250d0bdd [2020-09-24 15:45:04,773 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/70e80e19e/d63defeaeae84315a893c8f743f60f68 [2020-09-24 15:45:04,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:45:04,810 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:45:04,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:45:04,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:45:04,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:45:04,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:45:04" (1/1) ... [2020-09-24 15:45:04,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:04, skipping insertion in model container [2020-09-24 15:45:04,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:45:04" (1/1) ... [2020-09-24 15:45:04,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:45:04,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:45:05,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:45:05,416 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:45:05,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:45:05,638 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:45:05,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:05 WrapperNode [2020-09-24 15:45:05,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:45:05,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:45:05,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:45:05,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:45:05,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:05" (1/1) ... [2020-09-24 15:45:05,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:05" (1/1) ... [2020-09-24 15:45:05,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:05" (1/1) ... [2020-09-24 15:45:05,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:05" (1/1) ... [2020-09-24 15:45:05,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:05" (1/1) ... [2020-09-24 15:45:05,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:05" (1/1) ... [2020-09-24 15:45:05,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:05" (1/1) ... [2020-09-24 15:45:05,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:45:05,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:45:05,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:45:05,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:45:05,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:05" (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 15:45:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:45:05,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:45:05,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:45:05,842 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:45:05,842 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:45:05,842 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:45:05,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:45:05,842 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:45:05,843 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:45:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:45:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:45:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:45:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:45:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:45:05,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:45:05,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:45:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:45:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:45:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:45:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:45:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:45:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:45:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:45:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:45:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:45:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:45:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:45:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:45:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:45:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:45:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:45:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:45:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:45:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:45:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:45:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:45:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:45:05,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:45:05,851 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:45:05,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:45:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:45:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:45:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:45:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:45:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:45:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:45:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:45:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:45:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:45:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:45:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:45:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:45:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:45:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:45:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:45:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:45:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:45:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:45:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:45:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:45:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:45:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:45:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:45:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:45:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:45:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:45:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:45:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:45:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:45:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:45:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:45:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:45:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:45:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:45:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:45:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:45:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:45:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:45:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:45:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:45:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:45:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:45:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:45:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:45:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:45:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:45:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:45:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:45:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:45:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:45:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:45:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:45:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:45:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:45:07,019 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:45:07,019 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:45:07,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:45:07 BoogieIcfgContainer [2020-09-24 15:45:07,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:45:07,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:45:07,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:45:07,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:45:07,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:45:04" (1/3) ... [2020-09-24 15:45:07,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337bbcca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:45:07, skipping insertion in model container [2020-09-24 15:45:07,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:05" (2/3) ... [2020-09-24 15:45:07,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337bbcca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:45:07, skipping insertion in model container [2020-09-24 15:45:07,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:45:07" (3/3) ... [2020-09-24 15:45:07,037 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product43.cil.c [2020-09-24 15:45:07,049 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:45:07,060 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:45:07,082 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:45:07,116 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:45:07,116 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:45:07,116 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:45:07,116 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:45:07,117 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:45:07,117 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:45:07,117 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:45:07,117 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:45:07,147 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-09-24 15:45:07,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 15:45:07,165 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:07,167 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 15:45:07,168 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:07,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:07,176 INFO L82 PathProgramCache]: Analyzing trace with hash 712153127, now seen corresponding path program 1 times [2020-09-24 15:45:07,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:07,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674191119] [2020-09-24 15:45:07,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:07,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:07,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:07,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:07,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:07,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:45:07,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:07,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:45:07,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:07,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:07,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:45:07,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:07,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,031 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:08,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:08,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:08,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:08,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:08,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:08,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:08,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:08,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:08,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:08,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:08,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:08,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:08,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:08,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:08,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:08,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:08,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:08,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:08,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:08,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:45:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:08,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:08,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:08,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,322 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 15:45:08,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674191119] [2020-09-24 15:45:08,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:08,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:45:08,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030861018] [2020-09-24 15:45:08,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:45:08,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:08,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:45:08,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:45:08,358 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 4 states. [2020-09-24 15:45:09,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:09,755 INFO L93 Difference]: Finished difference Result 489 states and 577 transitions. [2020-09-24 15:45:09,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:45:09,758 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 15:45:09,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:09,779 INFO L225 Difference]: With dead ends: 489 [2020-09-24 15:45:09,779 INFO L226 Difference]: Without dead ends: 312 [2020-09-24 15:45:09,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:45:09,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-09-24 15:45:09,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 262. [2020-09-24 15:45:09,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-24 15:45:09,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 284 transitions. [2020-09-24 15:45:09,901 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 284 transitions. Word has length 148 [2020-09-24 15:45:09,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:09,902 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 284 transitions. [2020-09-24 15:45:09,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:45:09,902 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 284 transitions. [2020-09-24 15:45:09,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 15:45:09,908 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:09,908 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 15:45:09,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:45:09,909 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:09,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:09,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1114292978, now seen corresponding path program 1 times [2020-09-24 15:45:09,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:09,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116457378] [2020-09-24 15:45:09,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:10,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:10,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:10,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:10,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:10,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 15:45:10,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:10,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:45:10,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:45:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:10,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:10,389 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:10,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:10,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:10,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:10,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:10,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:10,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:10,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:10,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:10,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:10,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:10,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:10,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:10,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:10,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:10,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:10,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:10,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:10,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:10,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:10,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:10,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:10,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:10,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:10,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:10,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:10,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:10,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:10,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:10,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:10,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:10,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:10,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:10,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:10,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:10,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:10,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:10,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:10,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:10,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:10,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:10,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:10,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:10,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:10,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:10,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:10,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:10,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:10,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:10,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:10,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:10,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:10,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:10,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:10,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:10,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:10,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:10,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:10,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:10,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:10,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:10,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:10,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:10,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:10,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:10,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:10,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:10,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:10,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:10,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 15:45:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:10,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:10,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:10,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:10,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:10,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:10,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:10,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:10,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:10,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:10,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:10,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:10,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:10,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:45:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:10,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:10,502 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:10,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:10,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:10,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:10,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:10,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:10,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:10,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:10,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:10,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:10,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:10,572 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 15:45:10,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116457378] [2020-09-24 15:45:10,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:10,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:45:10,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635728579] [2020-09-24 15:45:10,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:45:10,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:10,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:45:10,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:45:10,576 INFO L87 Difference]: Start difference. First operand 262 states and 284 transitions. Second operand 5 states. [2020-09-24 15:45:11,333 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:12,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:12,391 INFO L93 Difference]: Finished difference Result 409 states and 462 transitions. [2020-09-24 15:45:12,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:45:12,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 15:45:12,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:12,398 INFO L225 Difference]: With dead ends: 409 [2020-09-24 15:45:12,399 INFO L226 Difference]: Without dead ends: 301 [2020-09-24 15:45:12,401 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 15:45:12,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-09-24 15:45:12,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 252. [2020-09-24 15:45:12,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-09-24 15:45:12,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 271 transitions. [2020-09-24 15:45:12,444 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 271 transitions. Word has length 149 [2020-09-24 15:45:12,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:12,445 INFO L479 AbstractCegarLoop]: Abstraction has 252 states and 271 transitions. [2020-09-24 15:45:12,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:45:12,445 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 271 transitions. [2020-09-24 15:45:12,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-24 15:45:12,448 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:12,449 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] [2020-09-24 15:45:12,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:45:12,449 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:12,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:12,450 INFO L82 PathProgramCache]: Analyzing trace with hash 185312608, now seen corresponding path program 1 times [2020-09-24 15:45:12,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:12,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [835054085] [2020-09-24 15:45:12,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:12,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:12,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:12,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:12,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:12,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-24 15:45:12,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:12,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:45:12,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:45:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-24 15:45:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-24 15:45:12,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:12,879 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:12,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:12,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:12,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:12,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:12,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:12,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:12,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:12,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:12,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:12,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:12,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:12,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 15:45:12,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:13,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:13,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:13,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:13,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:13,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:13,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:13,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:13,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:13,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:13,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:13,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:13,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:13,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:13,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:13,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:13,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:13,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:45:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:13,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:13,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:13,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:13,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-24 15:45:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:13,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:13,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:13,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:13,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,114 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 15:45:13,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [835054085] [2020-09-24 15:45:13,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:13,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:45:13,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957091267] [2020-09-24 15:45:13,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:45:13,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:13,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:45:13,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:45:13,117 INFO L87 Difference]: Start difference. First operand 252 states and 271 transitions. Second operand 5 states. [2020-09-24 15:45:13,621 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:15,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:15,405 INFO L93 Difference]: Finished difference Result 586 states and 671 transitions. [2020-09-24 15:45:15,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:45:15,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-09-24 15:45:15,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:15,411 INFO L225 Difference]: With dead ends: 586 [2020-09-24 15:45:15,411 INFO L226 Difference]: Without dead ends: 449 [2020-09-24 15:45:15,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 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 15:45:15,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-09-24 15:45:15,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 377. [2020-09-24 15:45:15,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-09-24 15:45:15,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 414 transitions. [2020-09-24 15:45:15,486 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 414 transitions. Word has length 158 [2020-09-24 15:45:15,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:15,487 INFO L479 AbstractCegarLoop]: Abstraction has 377 states and 414 transitions. [2020-09-24 15:45:15,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:45:15,487 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 414 transitions. [2020-09-24 15:45:15,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:45:15,491 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:15,491 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] [2020-09-24 15:45:15,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:45:15,492 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:15,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:15,492 INFO L82 PathProgramCache]: Analyzing trace with hash 226204253, now seen corresponding path program 1 times [2020-09-24 15:45:15,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:15,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [316709436] [2020-09-24 15:45:15,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-24 15:45:15,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:45:15,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:45:15,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:45:15,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:45:15,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:15,977 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:15,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:16,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:16,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:45:16,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:16,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:16,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:16,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:16,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:16,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:16,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:16,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:16,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:16,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:16,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:16,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:16,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:16,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:16,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:16,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:16,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:16,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:16,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:16,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:16,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:16,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:16,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:45:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:45:16,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:16,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:16,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:45:16,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:45:16,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:16,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:16,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:16,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:16,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:16,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:45:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:16,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:16,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:16,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:16,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:16,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:45:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:16,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:16,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:16,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,223 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 15:45:16,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [316709436] [2020-09-24 15:45:16,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:16,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:45:16,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765089772] [2020-09-24 15:45:16,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:45:16,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:16,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:45:16,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:45:16,227 INFO L87 Difference]: Start difference. First operand 377 states and 414 transitions. Second operand 7 states. [2020-09-24 15:45:16,894 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:18,922 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:19,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:19,704 INFO L93 Difference]: Finished difference Result 959 states and 1126 transitions. [2020-09-24 15:45:19,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:45:19,707 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-09-24 15:45:19,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:19,717 INFO L225 Difference]: With dead ends: 959 [2020-09-24 15:45:19,718 INFO L226 Difference]: Without dead ends: 697 [2020-09-24 15:45:19,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:45:19,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2020-09-24 15:45:19,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 592. [2020-09-24 15:45:19,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-09-24 15:45:19,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 655 transitions. [2020-09-24 15:45:19,860 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 655 transitions. Word has length 166 [2020-09-24 15:45:19,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:19,860 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 655 transitions. [2020-09-24 15:45:19,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:45:19,860 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 655 transitions. [2020-09-24 15:45:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 15:45:19,864 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:19,865 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 15:45:19,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:45:19,865 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:19,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:19,866 INFO L82 PathProgramCache]: Analyzing trace with hash 216605652, now seen corresponding path program 1 times [2020-09-24 15:45:19,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:19,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880782602] [2020-09-24 15:45:19,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:19,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:19,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:19,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:19,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:19,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 15:45:19,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:19,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:45:19,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:19,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:45:19,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:45:19,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:45:19,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:20,417 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:20,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:20,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:20,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:20,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:20,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:45:20,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:20,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:20,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:20,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:20,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:20,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:20,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:20,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:20,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:20,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:20,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:20,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:20,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:20,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:20,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:20,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:20,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:20,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:20,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:20,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:20,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:20,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:20,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:20,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:20,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:20,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:20,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:20,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:20,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:20,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:45:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:20,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:20,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:20,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:20,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:20,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:20,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:45:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,622 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,622 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:20,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:45:20,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:20,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:20,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:20,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:20,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:45:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:20,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:20,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:20,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:20,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:20,713 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 15:45:20,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880782602] [2020-09-24 15:45:20,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:20,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:45:20,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386962003] [2020-09-24 15:45:20,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:45:20,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:20,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:45:20,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:45:20,717 INFO L87 Difference]: Start difference. First operand 592 states and 655 transitions. Second operand 10 states. [2020-09-24 15:45:21,338 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:22,704 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:23,060 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:45:23,452 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:23,849 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:24,246 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:45:24,587 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:24,935 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:25,422 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:27,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:27,235 INFO L93 Difference]: Finished difference Result 1598 states and 1872 transitions. [2020-09-24 15:45:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:45:27,236 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-24 15:45:27,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:27,245 INFO L225 Difference]: With dead ends: 1598 [2020-09-24 15:45:27,245 INFO L226 Difference]: Without dead ends: 1121 [2020-09-24 15:45:27,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:45:27,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2020-09-24 15:45:27,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 980. [2020-09-24 15:45:27,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2020-09-24 15:45:27,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1089 transitions. [2020-09-24 15:45:27,398 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1089 transitions. Word has length 167 [2020-09-24 15:45:27,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:27,398 INFO L479 AbstractCegarLoop]: Abstraction has 980 states and 1089 transitions. [2020-09-24 15:45:27,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:45:27,398 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1089 transitions. [2020-09-24 15:45:27,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-24 15:45:27,402 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:27,402 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:27,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:45:27,402 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:27,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:27,403 INFO L82 PathProgramCache]: Analyzing trace with hash 611019346, now seen corresponding path program 1 times [2020-09-24 15:45:27,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:27,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [180654933] [2020-09-24 15:45:27,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,540 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,540 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-24 15:45:27,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-24 15:45:27,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:45:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:45:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-24 15:45:27,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:27,907 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:27,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:27,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:27,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:27,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:27,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:45:27,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:27,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:27,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:27,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:27,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:27,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:27,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:27,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:27,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:27,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:27,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:27,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:27,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:27,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:28,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:28,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:28,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:28,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:28,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:28,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:28,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:28,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:28,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:45:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:28,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:45:28,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:45:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:28,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:28,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 15:45:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:28,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:28,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:28,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:28,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,148 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 15:45:28,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [180654933] [2020-09-24 15:45:28,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:28,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:28,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025247154] [2020-09-24 15:45:28,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:28,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:28,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:28,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:28,151 INFO L87 Difference]: Start difference. First operand 980 states and 1089 transitions. Second operand 11 states. [2020-09-24 15:45:28,814 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:30,364 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:30,641 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:30,977 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:31,303 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:31,634 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:32,429 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:32,663 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:33,037 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:34,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:34,123 INFO L93 Difference]: Finished difference Result 2090 states and 2425 transitions. [2020-09-24 15:45:34,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-24 15:45:34,124 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 172 [2020-09-24 15:45:34,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:34,132 INFO L225 Difference]: With dead ends: 2090 [2020-09-24 15:45:34,132 INFO L226 Difference]: Without dead ends: 1225 [2020-09-24 15:45:34,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 15:45:34,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2020-09-24 15:45:34,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 976. [2020-09-24 15:45:34,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 976 states. [2020-09-24 15:45:34,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1081 transitions. [2020-09-24 15:45:34,293 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1081 transitions. Word has length 172 [2020-09-24 15:45:34,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:34,293 INFO L479 AbstractCegarLoop]: Abstraction has 976 states and 1081 transitions. [2020-09-24 15:45:34,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:34,294 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1081 transitions. [2020-09-24 15:45:34,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-24 15:45:34,298 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:34,298 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:34,299 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:45:34,299 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:34,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:34,299 INFO L82 PathProgramCache]: Analyzing trace with hash -472762249, now seen corresponding path program 1 times [2020-09-24 15:45:34,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:34,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892208084] [2020-09-24 15:45:34,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-24 15:45:34,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:34,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:34,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-09-24 15:45:34,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:34,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,639 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:34,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:34,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:34,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:34,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:34,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:34,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:34,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:34,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:34,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:34,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:34,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:34,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:34,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:34,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:34,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:34,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:34,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,719 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:34,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:34,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:34,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:34,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:34,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:34,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:34,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:34,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:34,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:45:34,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:45:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:34,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:34,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:45:34,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:45:34,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:34,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:34,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:34,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:34,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:34,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:34,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:34,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:45:34,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:34,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:34,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:34,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:34,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:34,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:34,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:34,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:34,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:45:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,877 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,877 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:34,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:34,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:45:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:34,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:34,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:34,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:34,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:45:34,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892208084] [2020-09-24 15:45:34,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:34,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:34,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084285360] [2020-09-24 15:45:34,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:34,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:34,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:34,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:34,933 INFO L87 Difference]: Start difference. First operand 976 states and 1081 transitions. Second operand 11 states. [2020-09-24 15:45:36,353 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:36,611 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:36,965 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:37,303 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:37,643 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:37,943 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:39,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:39,219 INFO L93 Difference]: Finished difference Result 2177 states and 2581 transitions. [2020-09-24 15:45:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:45:39,220 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-09-24 15:45:39,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:39,228 INFO L225 Difference]: With dead ends: 2177 [2020-09-24 15:45:39,228 INFO L226 Difference]: Without dead ends: 1316 [2020-09-24 15:45:39,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:45:39,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1316 states. [2020-09-24 15:45:39,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1316 to 1008. [2020-09-24 15:45:39,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1008 states. [2020-09-24 15:45:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1113 transitions. [2020-09-24 15:45:39,366 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1113 transitions. Word has length 218 [2020-09-24 15:45:39,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:39,367 INFO L479 AbstractCegarLoop]: Abstraction has 1008 states and 1113 transitions. [2020-09-24 15:45:39,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:39,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1113 transitions. [2020-09-24 15:45:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-24 15:45:39,372 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:39,372 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:39,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:45:39,373 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:39,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:39,373 INFO L82 PathProgramCache]: Analyzing trace with hash 967037143, now seen corresponding path program 1 times [2020-09-24 15:45:39,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:39,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [903307463] [2020-09-24 15:45:39,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:39,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -73 [2020-09-24 15:45:39,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 73 [2020-09-24 15:45:39,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-24 15:45:39,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:45:39,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:39,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178 [2020-09-24 15:45:39,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:39,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,809 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:39,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:39,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:39,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:39,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:39,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:39,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:39,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:39,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:39,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:39,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:39,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:39,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:39,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:39,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:39,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:45:39,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:39,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:39,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:39,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:45:39,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:39,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:45:39,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:39,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:39,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:39,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:39,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:39,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:39,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:39,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:39,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:39,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:39,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:39,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:39,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:39,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:39,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:40,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:40,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:40,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:40,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:45:40,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:40,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:40,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:40,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:40,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:40,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:40,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:40,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:40,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:40,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:40,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:40,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:40,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:40,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:40,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:40,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:40,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:40,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:40,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:45:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:40,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:40,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:40,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:40,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:40,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:40,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:45:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:40,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:40,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:40,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:40,086 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:45:40,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [903307463] [2020-09-24 15:45:40,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:40,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:45:40,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520309592] [2020-09-24 15:45:40,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:45:40,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:40,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:45:40,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:45:40,089 INFO L87 Difference]: Start difference. First operand 1008 states and 1113 transitions. Second operand 10 states. [2020-09-24 15:45:41,398 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:41,674 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:42,007 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:42,343 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:42,675 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:44,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:44,089 INFO L93 Difference]: Finished difference Result 2245 states and 2653 transitions. [2020-09-24 15:45:44,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:45:44,096 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 218 [2020-09-24 15:45:44,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:44,104 INFO L225 Difference]: With dead ends: 2245 [2020-09-24 15:45:44,104 INFO L226 Difference]: Without dead ends: 1352 [2020-09-24 15:45:44,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:45:44,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2020-09-24 15:45:44,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1032. [2020-09-24 15:45:44,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2020-09-24 15:45:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1137 transitions. [2020-09-24 15:45:44,245 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1137 transitions. Word has length 218 [2020-09-24 15:45:44,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:44,246 INFO L479 AbstractCegarLoop]: Abstraction has 1032 states and 1137 transitions. [2020-09-24 15:45:44,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:45:44,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1137 transitions. [2020-09-24 15:45:44,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-24 15:45:44,252 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:44,252 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:44,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:45:44,253 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:44,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:44,253 INFO L82 PathProgramCache]: Analyzing trace with hash 346565396, now seen corresponding path program 1 times [2020-09-24 15:45:44,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:44,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870731825] [2020-09-24 15:45:44,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-24 15:45:44,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 15:45:44,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:45:44,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:45:44,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-24 15:45:44,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,625 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:44,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:44,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:45:44,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:44,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:44,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:44,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,707 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,707 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:44,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:44,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:44,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:44,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:44,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:44,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:44,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:44,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:44,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:44,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:44,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:44,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:44,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:44,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:44,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:44,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:44,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:44,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 15:45:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-24 15:45:44,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:44,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:44,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:44,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:44,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:44,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:44,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:44,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:44,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:44,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:45:44,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:44,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:44,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:44,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,872 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,872 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:44,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:45:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:44,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:44,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:45:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:44,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:44,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:44,939 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:45:44,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870731825] [2020-09-24 15:45:44,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:44,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:45:44,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389586730] [2020-09-24 15:45:44,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:45:44,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:44,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:45:44,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:45:44,942 INFO L87 Difference]: Start difference. First operand 1032 states and 1137 transitions. Second operand 8 states. [2020-09-24 15:45:45,493 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:46,120 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:48,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:48,520 INFO L93 Difference]: Finished difference Result 3199 states and 3863 transitions. [2020-09-24 15:45:48,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:45:48,521 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-09-24 15:45:48,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:48,535 INFO L225 Difference]: With dead ends: 3199 [2020-09-24 15:45:48,535 INFO L226 Difference]: Without dead ends: 2282 [2020-09-24 15:45:48,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:45:48,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2020-09-24 15:45:48,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 1858. [2020-09-24 15:45:48,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1858 states. [2020-09-24 15:45:48,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 2095 transitions. [2020-09-24 15:45:48,863 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 2095 transitions. Word has length 218 [2020-09-24 15:45:48,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:48,863 INFO L479 AbstractCegarLoop]: Abstraction has 1858 states and 2095 transitions. [2020-09-24 15:45:48,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:45:48,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2095 transitions. [2020-09-24 15:45:48,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-09-24 15:45:48,868 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:48,868 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:48,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:45:48,869 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:48,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:48,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1445646548, now seen corresponding path program 1 times [2020-09-24 15:45:48,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:48,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808669995] [2020-09-24 15:45:48,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:48,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -52 [2020-09-24 15:45:48,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 52 [2020-09-24 15:45:48,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-09-24 15:45:48,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:45:48,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:45:48,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-24 15:45:48,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-24 15:45:48,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,247 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:49,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:49,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:49,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,294 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:49,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:49,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:49,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:49,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:49,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:49,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:45:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:49,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:45:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:49,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:49,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:49,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 15:45:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:49,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:45:49,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:45:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-24 15:45:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 15:45:49,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:49,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:49,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:49,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:45:49,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:45:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:45:49,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:49,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:49,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:45:49,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:45:49,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:49,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:49,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:49,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:49,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:49,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:49,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:49,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:45:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:49,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:49,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 15:45:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:49,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:49,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,616 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:45:49,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808669995] [2020-09-24 15:45:49,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:45:49,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:45:49,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384073514] [2020-09-24 15:45:49,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:45:49,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:49,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:45:49,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:45:49,619 INFO L87 Difference]: Start difference. First operand 1858 states and 2095 transitions. Second operand 17 states. [2020-09-24 15:45:50,214 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:51,359 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:52,228 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:52,602 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:53,073 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:53,434 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:54,936 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:55,326 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:55,645 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:56,012 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:56,355 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:56,752 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:57,065 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:57,385 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:57,689 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:58,037 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:58,355 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:58,754 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:59,146 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193