/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_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:47:06,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:47:06,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:47:06,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:47:06,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:47:06,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:47:06,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:47:06,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:47:06,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:47:06,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:47:06,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:47:06,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:47:06,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:47:06,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:47:06,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:47:06,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:47:06,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:47:06,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:47:06,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:47:06,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:47:06,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:47:06,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:47:06,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:47:06,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:47:06,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:47:06,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:47:06,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:47:06,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:47:06,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:47:06,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:47:06,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:47:06,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:47:06,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:47:06,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:47:06,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:47:06,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:47:06,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:47:06,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:47:06,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:47:06,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:47:06,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:47:06,080 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 15:47:06,135 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:47:06,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:47:06,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:47:06,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:47:06,138 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:47:06,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:47:06,138 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:47:06,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:47:06,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:47:06,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:47:06,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:47:06,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:47:06,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:47:06,141 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:47:06,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:47:06,142 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:47:06,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:47:06,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:47:06,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:47:06,142 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:47:06,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:47:06,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:47:06,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:47:06,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:47:06,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:47:06,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:47:06,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:47:06,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:47:06,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:47:06,145 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 15:47:06,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:47:06,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:47:06,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:47:06,655 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:47:06,656 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:47:06,657 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-09-24 15:47:06,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c0ac03b7/f9d61e997d28453f8a8f5febfaeb5ebc/FLAG5c2409da0 [2020-09-24 15:47:07,384 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:47:07,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-09-24 15:47:07,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c0ac03b7/f9d61e997d28453f8a8f5febfaeb5ebc/FLAG5c2409da0 [2020-09-24 15:47:07,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c0ac03b7/f9d61e997d28453f8a8f5febfaeb5ebc [2020-09-24 15:47:07,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:47:07,669 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:47:07,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:47:07,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:47:07,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:47:07,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:47:07" (1/1) ... [2020-09-24 15:47:07,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2d0e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:07, skipping insertion in model container [2020-09-24 15:47:07,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:47:07" (1/1) ... [2020-09-24 15:47:07,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:47:07,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:47:08,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:47:08,270 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:47:08,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:47:08,397 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:47:08,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:08 WrapperNode [2020-09-24 15:47:08,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:47:08,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:47:08,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:47:08,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:47:08,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:08" (1/1) ... [2020-09-24 15:47:08,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:08" (1/1) ... [2020-09-24 15:47:08,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:08" (1/1) ... [2020-09-24 15:47:08,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:08" (1/1) ... [2020-09-24 15:47:08,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:08" (1/1) ... [2020-09-24 15:47:08,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:08" (1/1) ... [2020-09-24 15:47:08,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:08" (1/1) ... [2020-09-24 15:47:08,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:47:08,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:47:08,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:47:08,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:47:08,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:08" (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 15:47:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:47:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:47:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:47:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:47:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:47:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:47:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:47:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:47:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:47:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:47:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:47:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:47:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:47:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:47:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:47:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:47:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:47:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:47:08,587 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:47:08,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:47:08,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:47:08,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:47:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:47:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:47:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:47:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-24 15:47:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:47:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:47:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:47:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:47:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:47:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:47:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:47:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:47:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:47:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:47:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:47:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:47:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:47:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:47:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:47:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:47:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:47:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:47:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:47:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:47:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:47:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:47:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:47:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:47:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:47:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:47:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:47:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:47:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:47:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:47:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:47:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:47:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:47:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:47:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:47:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:47:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-24 15:47:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:47:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:47:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:47:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:47:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:47:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:47:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:47:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:47:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:47:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:47:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:47:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:47:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:47:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:47:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:47:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:47:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:47:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:47:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:47:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:47:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:47:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:47:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:47:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:47:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:47:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:47:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:47:09,756 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:47:09,757 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:47:09,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:47:09 BoogieIcfgContainer [2020-09-24 15:47:09,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:47:09,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:47:09,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:47:09,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:47:09,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:47:07" (1/3) ... [2020-09-24 15:47:09,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad722ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:47:09, skipping insertion in model container [2020-09-24 15:47:09,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:08" (2/3) ... [2020-09-24 15:47:09,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad722ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:47:09, skipping insertion in model container [2020-09-24 15:47:09,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:47:09" (3/3) ... [2020-09-24 15:47:09,774 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2020-09-24 15:47:09,785 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:47:09,797 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:47:09,820 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:47:09,854 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:47:09,854 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:47:09,854 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:47:09,855 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:47:09,855 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:47:09,855 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:47:09,855 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:47:09,855 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:47:09,885 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states. [2020-09-24 15:47:09,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-24 15:47:09,905 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:09,906 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] [2020-09-24 15:47:09,907 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:09,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:09,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1309084967, now seen corresponding path program 1 times [2020-09-24 15:47:09,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:09,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [971800551] [2020-09-24 15:47:09,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:10,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:10,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:10,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:10,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:10,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-24 15:47:10,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:10,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:47:10,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:47:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:10,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:10,739 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:10,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:10,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:10,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:10,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:10,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:10,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:10,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:10,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:10,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:10,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:10,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:10,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:10,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:10,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:10,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:10,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:10,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:10,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:10,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:10,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:10,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:10,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:10,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:10,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:10,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:10,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:10,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:10,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:10,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:10,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:10,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:10,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:10,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:10,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:10,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:10,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:10,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:10,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:10,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:10,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:10,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:10,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:10,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:10,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:10,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:10,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:10,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:10,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:10,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:10,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:10,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:10,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:10,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:10,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:10,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:10,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:10,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:10,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:10,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:10,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:47:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:10,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:10,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:10,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:10,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:10,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:10,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:10,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:10,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:10,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:10,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:10,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:10,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:10,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:47:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:10,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:10,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:10,931 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:10,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:10,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:10,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:10,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:10,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:10,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:10,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:10,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:10,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:10,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:47:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:10,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:10,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:10,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:10,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:10,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:10,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:10,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:10,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:10,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:10,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:10,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:10,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:10,976 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 15:47:10,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [971800551] [2020-09-24 15:47:10,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:10,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:47:10,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064374536] [2020-09-24 15:47:10,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:47:10,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:11,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:47:11,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:47:11,012 INFO L87 Difference]: Start difference. First operand 299 states. Second operand 3 states. [2020-09-24 15:47:12,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:12,247 INFO L93 Difference]: Finished difference Result 450 states and 535 transitions. [2020-09-24 15:47:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:47:12,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-09-24 15:47:12,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:12,269 INFO L225 Difference]: With dead ends: 450 [2020-09-24 15:47:12,269 INFO L226 Difference]: Without dead ends: 282 [2020-09-24 15:47:12,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:47:12,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-24 15:47:12,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 242. [2020-09-24 15:47:12,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-09-24 15:47:12,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 261 transitions. [2020-09-24 15:47:12,392 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 261 transitions. Word has length 153 [2020-09-24 15:47:12,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:12,393 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 261 transitions. [2020-09-24 15:47:12,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:47:12,394 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 261 transitions. [2020-09-24 15:47:12,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-24 15:47:12,407 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:12,407 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] [2020-09-24 15:47:12,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:47:12,408 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:12,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:12,411 INFO L82 PathProgramCache]: Analyzing trace with hash -2119975589, now seen corresponding path program 1 times [2020-09-24 15:47:12,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:12,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176223562] [2020-09-24 15:47:12,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:12,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:12,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:12,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:12,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:12,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 15:47:12,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:12,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:47:12,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:47:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:47:12,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:12,836 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:12,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:12,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:12,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:12,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:12,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:12,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:12,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:12,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:12,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:12,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:12,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:12,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:12,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:12,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:12,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:12,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:12,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:12,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:12,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:12,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:12,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:12,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:12,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:12,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:12,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:12,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:12,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:12,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:12,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:12,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:12,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:12,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:12,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:12,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:12,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:12,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:12,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:12,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:12,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:12,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:12,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:12,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:12,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:12,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:12,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:12,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:12,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:12,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:12,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:12,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:12,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:12,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:12,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:12,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:12,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 15:47:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:12,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:12,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:12,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:12,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:12,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:12,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:12,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:12,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:12,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:12,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:12,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:12,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:12,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:47:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:12,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:12,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:12,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:12,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:12,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:12,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:12,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:12,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:12,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:12,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:12,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 15:47:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:12,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:12,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:12,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:12,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:12,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:12,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:12,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:12,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:12,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:12,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:12,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:12,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:13,008 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 15:47:13,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176223562] [2020-09-24 15:47:13,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:13,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:47:13,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520012049] [2020-09-24 15:47:13,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:47:13,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:13,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:47:13,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:47:13,013 INFO L87 Difference]: Start difference. First operand 242 states and 261 transitions. Second operand 4 states. [2020-09-24 15:47:13,712 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:14,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:14,620 INFO L93 Difference]: Finished difference Result 363 states and 406 transitions. [2020-09-24 15:47:14,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:47:14,621 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-09-24 15:47:14,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:14,626 INFO L225 Difference]: With dead ends: 363 [2020-09-24 15:47:14,626 INFO L226 Difference]: Without dead ends: 265 [2020-09-24 15:47:14,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:47:14,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-09-24 15:47:14,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 232. [2020-09-24 15:47:14,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-09-24 15:47:14,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 248 transitions. [2020-09-24 15:47:14,674 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 248 transitions. Word has length 154 [2020-09-24 15:47:14,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:14,674 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 248 transitions. [2020-09-24 15:47:14,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:47:14,675 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 248 transitions. [2020-09-24 15:47:14,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 15:47:14,677 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:14,677 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 15:47:14,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:47:14,678 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:14,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:14,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1523352058, now seen corresponding path program 1 times [2020-09-24 15:47:14,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:14,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [324532657] [2020-09-24 15:47:14,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:14,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:47:14,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-24 15:47:14,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-24 15:47:14,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:14,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 15:47:14,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:14,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:47:14,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:14,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:14,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-24 15:47:14,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:14,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:15,046 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:15,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:15,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:15,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:15,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:15,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:15,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:15,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:15,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:15,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:15,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:15,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:15,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:15,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:15,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:15,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:15,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:15,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:15,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:15,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:15,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:15,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:15,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:15,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:15,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:15,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:15,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:15,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:15,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:15,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:15,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:15,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:15,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:15,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:15,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:15,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:15,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:15,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:15,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:15,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:15,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:15,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:15,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:15,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:15,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:15,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:15,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:15,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:15,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:15,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:15,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:15,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:15,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:15,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:15,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:15,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:15,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:15,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:15,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:47:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:15,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:15,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:15,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:15,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:15,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:47:15,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:15,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:15,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:15,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:15,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:15,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:47:15,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:15,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:47:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:15,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:15,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:15,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:15,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:15,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:15,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:15,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:15,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:15,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:15,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:15,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:15,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-24 15:47:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:15,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:15,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:15,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:15,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:15,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:15,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:15,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:15,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:15,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:15,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:15,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:15,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:15,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-09-24 15:47:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:15,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:15,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:15,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:15,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:15,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:15,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:15,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:15,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:15,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:15,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:15,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:15,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:15,233 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 15:47:15,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [324532657] [2020-09-24 15:47:15,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:15,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:47:15,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4941783] [2020-09-24 15:47:15,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:47:15,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:15,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:47:15,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:47:15,236 INFO L87 Difference]: Start difference. First operand 232 states and 248 transitions. Second operand 5 states. [2020-09-24 15:47:15,788 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:47:16,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:16,747 INFO L93 Difference]: Finished difference Result 409 states and 468 transitions. [2020-09-24 15:47:16,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:47:16,747 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-09-24 15:47:16,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:16,757 INFO L225 Difference]: With dead ends: 409 [2020-09-24 15:47:16,757 INFO L226 Difference]: Without dead ends: 287 [2020-09-24 15:47:16,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 15:47:16,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-24 15:47:16,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 232. [2020-09-24 15:47:16,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-09-24 15:47:16,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 247 transitions. [2020-09-24 15:47:16,812 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 247 transitions. Word has length 167 [2020-09-24 15:47:16,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:16,815 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 247 transitions. [2020-09-24 15:47:16,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:47:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 247 transitions. [2020-09-24 15:47:16,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-24 15:47:16,825 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:16,826 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, 1, 1, 1] [2020-09-24 15:47:16,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:47:16,827 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:16,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:16,827 INFO L82 PathProgramCache]: Analyzing trace with hash -927264169, now seen corresponding path program 1 times [2020-09-24 15:47:16,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:16,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110746265] [2020-09-24 15:47:16,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:16,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:16,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:16,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:16,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:16,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-24 15:47:16,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:16,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 15:47:16,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:16,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:47:16,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:47:16,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:47:16,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:17,306 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:17,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:17,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:17,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:17,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:17,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:17,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:17,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:17,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:17,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:17,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:17,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:17,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:47:17,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:17,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:17,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:17,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:17,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:17,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:17,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:17,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:17,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:17,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:17,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:17,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:17,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:17,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:17,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:17,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:17,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:17,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:17,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:17,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:17,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:17,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:17,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:17,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:17,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:17,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:17,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:17,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:17,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:17,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:17,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:17,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:17,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:17,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:17,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:17,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:17,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:17,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:17,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:17,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:17,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:17,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:17,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:17,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:17,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:17,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:17,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:17,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:17,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:17,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:17,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:17,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:17,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:17,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:47:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:17,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:17,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:17,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:17,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:17,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:47:17,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:17,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:17,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:17,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:17,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:17,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:47:17,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:17,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:47:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:17,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:17,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:17,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:17,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:17,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:47:17,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:47:17,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:17,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:47:17,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:47:17,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:47:17,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:17,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:17,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:17,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:17,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:17,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:17,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:17,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:17,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:17,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:17,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:17,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:17,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:17,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:17,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:47:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:17,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:17,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:17,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:17,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:17,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:17,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:17,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:17,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:17,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:17,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:17,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:17,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:17,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:47:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:17,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:17,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:17,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:17,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:17,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:17,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:17,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:17,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:17,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:17,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:17,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:17,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:17,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-24 15:47:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:17,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:17,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:17,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:17,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:17,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:17,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:17,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:17,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:17,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:17,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:17,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:17,635 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 15:47:17,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110746265] [2020-09-24 15:47:17,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:17,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:47:17,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272932292] [2020-09-24 15:47:17,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:47:17,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:17,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:47:17,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:47:17,640 INFO L87 Difference]: Start difference. First operand 232 states and 247 transitions. Second operand 7 states. [2020-09-24 15:47:18,324 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:47:20,131 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:20,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:20,927 INFO L93 Difference]: Finished difference Result 602 states and 709 transitions. [2020-09-24 15:47:20,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 15:47:20,927 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 175 [2020-09-24 15:47:20,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:20,933 INFO L225 Difference]: With dead ends: 602 [2020-09-24 15:47:20,933 INFO L226 Difference]: Without dead ends: 480 [2020-09-24 15:47:20,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:47:20,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-24 15:47:20,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 353. [2020-09-24 15:47:20,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-09-24 15:47:20,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 380 transitions. [2020-09-24 15:47:20,996 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 380 transitions. Word has length 175 [2020-09-24 15:47:20,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:20,997 INFO L479 AbstractCegarLoop]: Abstraction has 353 states and 380 transitions. [2020-09-24 15:47:20,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:47:20,997 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 380 transitions. [2020-09-24 15:47:21,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-24 15:47:21,000 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:21,000 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, 1, 1, 1, 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 15:47:21,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:47:21,001 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:21,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:21,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1752390286, now seen corresponding path program 1 times [2020-09-24 15:47:21,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:21,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948515433] [2020-09-24 15:47:21,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:47:21,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -66 [2020-09-24 15:47:21,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 66 [2020-09-24 15:47:21,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-09-24 15:47:21,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:47:21,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:21,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-09-24 15:47:21,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:21,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:21,413 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:21,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:21,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:21,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:21,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,540 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:21,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:21,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:21,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:21,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:21,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:21,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:21,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:21,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:21,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:21,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:21,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:21,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:47:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:47:21,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:21,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:21,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:47:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:47:21,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:47:21,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:47:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:21,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:21,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:47:21,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:47:21,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:21,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:47:21,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:21,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:21,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:47:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:47:21,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:47:21,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:47:21,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:21,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:21,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:21,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:47:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:21,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 15:47:21,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:21,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-24 15:47:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:21,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:21,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:21,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:47:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,719 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:21,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:21,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:21,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:47:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:21,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:21,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:21,794 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 15:47:21,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948515433] [2020-09-24 15:47:21,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:21,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:47:21,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285593917] [2020-09-24 15:47:21,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:47:21,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:21,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:47:21,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:47:21,798 INFO L87 Difference]: Start difference. First operand 353 states and 380 transitions. Second operand 9 states. [2020-09-24 15:47:23,236 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:23,510 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:23,759 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:24,078 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:24,378 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:25,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:25,466 INFO L93 Difference]: Finished difference Result 728 states and 854 transitions. [2020-09-24 15:47:25,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:47:25,467 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 199 [2020-09-24 15:47:25,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:25,476 INFO L225 Difference]: With dead ends: 728 [2020-09-24 15:47:25,476 INFO L226 Difference]: Without dead ends: 485 [2020-09-24 15:47:25,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:47:25,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-09-24 15:47:25,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 359. [2020-09-24 15:47:25,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-09-24 15:47:25,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 386 transitions. [2020-09-24 15:47:25,577 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 386 transitions. Word has length 199 [2020-09-24 15:47:25,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:25,578 INFO L479 AbstractCegarLoop]: Abstraction has 359 states and 386 transitions. [2020-09-24 15:47:25,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:47:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 386 transitions. [2020-09-24 15:47:25,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-24 15:47:25,582 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:25,582 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, 1, 1, 1, 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 15:47:25,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:47:25,583 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:25,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:25,583 INFO L82 PathProgramCache]: Analyzing trace with hash -135374382, now seen corresponding path program 1 times [2020-09-24 15:47:25,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:25,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808134784] [2020-09-24 15:47:25,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:25,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:25,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:25,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:25,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:25,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-09-24 15:47:25,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:25,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 15:47:25,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:25,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:47:25,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:47:25,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-24 15:47:25,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:26,138 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:26,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:26,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:26,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:26,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:26,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:26,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:26,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:26,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:47:26,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:26,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:26,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:26,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:47:26,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:26,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:26,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:26,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:26,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:26,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:26,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:26,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:26,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:26,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:26,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:26,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:26,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:26,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:26,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:26,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:26,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:26,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:26,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:26,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:26,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:26,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:26,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:26,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:26,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:26,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:26,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:26,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:26,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:26,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:26,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:26,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:26,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:26,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:26,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:26,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:26,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:26,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:26,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:26,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:26,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:26,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:26,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:26,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:26,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:26,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:26,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:26,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:26,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:26,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:47:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:26,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:26,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:26,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:26,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:26,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:47:26,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:26,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:26,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:26,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:26,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:26,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:47:26,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:26,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:47:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:26,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:26,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:26,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:26,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:26,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:47:26,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:26,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:26,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:26,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:26,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:26,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:47:26,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:26,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:26,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:26,312 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:26,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:26,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:26,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:47:26,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:26,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:26,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:26,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:26,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:26,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:47:26,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:26,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:47:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:26,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:26,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:26,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:26,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:26,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:47:26,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:26,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:47:26,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:26,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:26,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:26,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:47:26,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:26,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:47:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:26,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:26,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:26,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:26,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:26,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:26,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:26,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:26,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:26,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:26,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:26,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:26,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:26,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-24 15:47:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:26,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:26,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:26,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:26,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:26,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:26,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:26,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:26,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:26,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:26,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:26,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:26,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:26,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:47:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:26,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:26,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:26,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:26,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:26,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:26,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:26,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:47:26,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:26,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:26,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:26,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:26,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:26,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:47:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:26,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:26,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:26,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:26,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:26,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:26,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:26,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:26,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:26,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:26,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:26,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:26,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:26,476 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 15:47:26,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808134784] [2020-09-24 15:47:26,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:26,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:47:26,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218656568] [2020-09-24 15:47:26,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:47:26,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:26,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:47:26,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:47:26,481 INFO L87 Difference]: Start difference. First operand 359 states and 386 transitions. Second operand 10 states. [2020-09-24 15:47:26,992 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:47:28,811 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:29,158 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:29,517 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:29,860 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:47:30,165 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:30,541 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:30,830 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:32,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:32,092 INFO L93 Difference]: Finished difference Result 1016 states and 1251 transitions. [2020-09-24 15:47:32,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 15:47:32,093 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2020-09-24 15:47:32,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:32,099 INFO L225 Difference]: With dead ends: 1016 [2020-09-24 15:47:32,099 INFO L226 Difference]: Without dead ends: 767 [2020-09-24 15:47:32,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2020-09-24 15:47:32,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2020-09-24 15:47:32,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 563. [2020-09-24 15:47:32,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-09-24 15:47:32,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 622 transitions. [2020-09-24 15:47:32,188 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 622 transitions. Word has length 199 [2020-09-24 15:47:32,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:32,188 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 622 transitions. [2020-09-24 15:47:32,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:47:32,189 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 622 transitions. [2020-09-24 15:47:32,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-24 15:47:32,197 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:32,202 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:32,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:47:32,203 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:32,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:32,204 INFO L82 PathProgramCache]: Analyzing trace with hash -321962154, now seen corresponding path program 1 times [2020-09-24 15:47:32,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:32,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [88183474] [2020-09-24 15:47:32,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:47:32,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -81 [2020-09-24 15:47:32,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 81 [2020-09-24 15:47:32,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-09-24 15:47:32,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:47:32,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:47:32,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-09-24 15:47:32,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:47:32,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:32,574 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:32,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:32,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:32,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:32,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:32,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:32,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:32,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:32,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:32,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:32,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:32,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:32,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:32,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:32,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:32,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:32,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:32,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:32,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:32,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:32,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:32,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:32,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:32,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:32,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:32,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:32,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:32,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:32,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:32,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:32,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:32,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:32,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:32,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:32,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:32,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:32,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:32,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:32,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:32,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:32,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:32,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:32,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:32,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:32,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:47:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:32,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:32,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:32,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:47:32,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:32,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:32,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:32,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:32,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:32,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:47:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:32,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:32,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:32,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:47:32,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:32,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:32,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:32,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:32,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:32,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:47:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:32,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:32,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:32,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:47:32,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:47:32,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:47:32,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:47:32,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:47:32,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:32,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:32,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:32,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:32,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:47:32,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:47:32,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:32,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:32,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:47:32,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:32,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:47:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:32,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:32,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:32,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:47:32,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:32,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:32,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:32,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:47:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:32,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:32,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:32,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:32,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:32,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 15:47:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:32,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:32,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:47:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:32,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:32,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:32,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:32,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:32,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:32,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:32,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:32,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:32,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:47:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:32,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:32,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:32,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:32,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:32,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:32,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:32,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-24 15:47:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:32,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:32,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:32,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:32,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:32,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:32,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:32,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:32,895 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 15:47:32,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [88183474] [2020-09-24 15:47:32,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:32,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:47:32,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618159095] [2020-09-24 15:47:32,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:47:32,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:32,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:47:32,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:47:32,898 INFO L87 Difference]: Start difference. First operand 563 states and 622 transitions. Second operand 11 states. [2020-09-24 15:47:34,370 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:34,651 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:34,954 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:47:35,263 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:35,610 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:35,906 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:37,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:37,384 INFO L93 Difference]: Finished difference Result 1357 states and 1639 transitions. [2020-09-24 15:47:37,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 15:47:37,385 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 204 [2020-09-24 15:47:37,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:37,393 INFO L225 Difference]: With dead ends: 1357 [2020-09-24 15:47:37,393 INFO L226 Difference]: Without dead ends: 904 [2020-09-24 15:47:37,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-09-24 15:47:37,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-09-24 15:47:37,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 571. [2020-09-24 15:47:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-09-24 15:47:37,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 630 transitions. [2020-09-24 15:47:37,474 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 630 transitions. Word has length 204 [2020-09-24 15:47:37,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:37,475 INFO L479 AbstractCegarLoop]: Abstraction has 571 states and 630 transitions. [2020-09-24 15:47:37,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:47:37,475 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 630 transitions. [2020-09-24 15:47:37,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-24 15:47:37,478 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:37,478 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:37,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:47:37,479 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:37,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:37,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1295053750, now seen corresponding path program 1 times [2020-09-24 15:47:37,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:37,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694759714] [2020-09-24 15:47:37,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:37,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:37,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:37,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:37,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:37,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-09-24 15:47:37,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:37,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:47:37,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:37,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:37,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-09-24 15:47:37,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:37,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:37,834 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:37,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:37,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:37,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:37,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:37,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:37,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:37,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:37,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:37,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:37,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:37,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:37,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:37,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:37,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:37,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:37,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:37,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:37,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:37,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:37,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:37,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:37,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:37,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:37,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:37,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:37,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:37,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:37,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:37,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:37,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:37,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:37,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:37,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:37,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:37,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:37,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:37,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:37,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:37,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:37,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:37,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:37,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:37,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:37,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:37,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:37,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:37,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:37,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:37,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:37,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:37,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:37,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:37,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:37,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:37,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:37,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:37,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:37,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:37,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:37,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:37,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:37,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:37,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:37,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:37,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:37,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:47:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:37,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:37,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:37,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:37,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:37,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:47:37,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:37,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:37,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:37,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:37,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:37,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:37,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:37,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:47:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:37,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:37,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:37,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:37,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:37,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:47:37,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:37,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:37,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:37,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:37,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:37,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:37,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:37,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:47:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:37,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:37,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:37,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:37,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:37,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:47:37,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:37,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:47:37,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:37,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:37,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:47:37,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:37,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:37,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:37,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:37,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:37,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:37,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:37,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:47:37,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:37,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:47:37,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:47:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:37,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:37,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:47:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:37,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:37,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:37,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:37,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:37,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:47:37,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:37,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:47:37,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:47:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:37,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:47:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:38,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:38,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 15:47:38,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:47:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:38,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:38,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:38,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:47:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:38,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:38,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:38,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-24 15:47:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:38,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:38,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:38,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,103 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 15:47:38,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694759714] [2020-09-24 15:47:38,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:38,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:47:38,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188444846] [2020-09-24 15:47:38,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:47:38,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:38,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:47:38,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:47:38,110 INFO L87 Difference]: Start difference. First operand 571 states and 630 transitions. Second operand 10 states. [2020-09-24 15:47:39,309 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:39,540 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:39,822 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:40,119 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:40,402 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:41,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:41,687 INFO L93 Difference]: Finished difference Result 1279 states and 1546 transitions. [2020-09-24 15:47:41,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:47:41,687 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-09-24 15:47:41,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:41,693 INFO L225 Difference]: With dead ends: 1279 [2020-09-24 15:47:41,693 INFO L226 Difference]: Without dead ends: 818 [2020-09-24 15:47:41,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:47:41,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2020-09-24 15:47:41,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 509. [2020-09-24 15:47:41,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 509 states. [2020-09-24 15:47:41,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 559 transitions. [2020-09-24 15:47:41,771 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 559 transitions. Word has length 204 [2020-09-24 15:47:41,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:41,772 INFO L479 AbstractCegarLoop]: Abstraction has 509 states and 559 transitions. [2020-09-24 15:47:41,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:47:41,772 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 559 transitions. [2020-09-24 15:47:41,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-24 15:47:41,775 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:41,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:41,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:47:41,776 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:41,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:41,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1942771187, now seen corresponding path program 1 times [2020-09-24 15:47:41,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:41,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [305458878] [2020-09-24 15:47:41,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:41,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:47:41,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -93 [2020-09-24 15:47:41,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 93 [2020-09-24 15:47:41,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:41,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-09-24 15:47:41,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:41,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:47:41,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:47:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-09-24 15:47:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-24 15:47:41,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:42,174 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:42,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:42,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:42,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:42,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:42,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:42,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:42,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:42,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:42,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:42,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:42,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:42,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:42,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:42,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:42,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:42,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:42,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:42,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:42,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:42,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:42,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:42,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:42,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:42,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:42,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:42,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:42,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:42,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:42,219 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:42,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:42,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:42,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:42,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:42,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:47:42,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:42,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:42,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:42,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:42,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:42,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:42,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:42,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:42,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:42,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:42,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:42,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:42,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:47:42,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:42,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:42,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:42,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:42,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:42,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:42,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:42,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:42,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:42,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:47:42,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:42,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:42,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:42,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:42,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:42,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:47:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:42,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:42,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:42,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:42,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:42,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:47:42,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:42,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:42,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:42,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:42,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:42,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:42,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:42,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:47:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:42,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:42,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:42,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:42,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:42,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:47:42,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:42,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:42,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:42,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:42,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:42,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:42,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:42,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:47:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:42,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:42,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:42,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:42,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:42,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:47:42,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:42,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:42,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:42,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:42,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:42,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:47:42,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:42,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:42,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:42,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:42,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:42,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:42,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:47:42,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:42,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:42,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:42,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:42,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:47:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:42,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:42,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:42,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:42,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:42,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:47:42,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:42,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:42,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:42,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:42,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:42,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:42,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:42,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:47:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:42,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:42,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:42,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:42,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:42,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:47:42,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:42,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:42,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:42,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:42,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:42,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:47:42,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:42,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-24 15:47:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:42,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:42,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:42,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:42,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:42,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:42,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:42,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:42,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:42,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:42,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:42,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:42,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:42,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 15:47:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:42,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:42,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:42,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:42,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:42,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:42,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:42,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:42,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:42,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:42,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 15:47:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:42,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:42,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:42,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:42,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:42,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:42,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:42,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:47:42,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:42,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:42,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:42,411 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 15:47:42,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [305458878] [2020-09-24 15:47:42,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:42,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:47:42,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768201394] [2020-09-24 15:47:42,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:47:42,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:42,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:47:42,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:47:42,414 INFO L87 Difference]: Start difference. First operand 509 states and 559 transitions. Second operand 11 states. [2020-09-24 15:47:43,995 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:47:45,039 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:45,393 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:45,796 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:46,165 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:46,511 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:47,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:47,299 INFO L93 Difference]: Finished difference Result 1100 states and 1291 transitions. [2020-09-24 15:47:47,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:47:47,300 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 205 [2020-09-24 15:47:47,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:47,302 INFO L225 Difference]: With dead ends: 1100 [2020-09-24 15:47:47,302 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 15:47:47,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=208, Invalid=494, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:47:47,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 15:47:47,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 15:47:47,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 15:47:47,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 15:47:47,307 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 205 [2020-09-24 15:47:47,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:47,307 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 15:47:47,308 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:47:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 15:47:47,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 15:47:47,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:47:47,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 15:47:47,516 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:47:47,693 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:47,900 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:47:48,069 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:48,231 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:48,394 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:48,554 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:48,718 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:47:48,883 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:49,055 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:49,225 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:47:49,383 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:49,534 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:49,693 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:49,851 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:50,009 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:50,168 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:47:50,322 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:50,575 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 19 [2020-09-24 15:47:50,827 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 19 [2020-09-24 15:47:51,067 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 20 [2020-09-24 15:47:51,302 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 20 [2020-09-24 15:47:51,629 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 15:47:51,952 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 15:47:52,192 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 19 [2020-09-24 15:47:52,427 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 19 [2020-09-24 15:47:52,744 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 15:47:53,057 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 15:47:53,376 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 15:47:53,712 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 15:47:54,031 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 15:47:54,190 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:54,345 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:56,822 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 279 DAG size of output: 241 [2020-09-24 15:47:56,987 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:47:57,145 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:47:57,307 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:57,463 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:57,625 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:57,790 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:58,110 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-09-24 15:47:58,270 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:58,423 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:58,593 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:58,747 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:58,895 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:59,049 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:59,202 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:59,354 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:59,506 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:59,660 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:59,812 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:59,961 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:00,119 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:00,272 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:48:00,410 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:48:00,562 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:48:00,715 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:00,875 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:48:01,024 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:48:01,181 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:48:01,334 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:48:01,487 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:01,640 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:01,788 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:48:01,936 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:48:02,090 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:48:02,242 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:48:02,395 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:02,548 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:02,697 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:02,845 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:03,000 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:48:03,157 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189