/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --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_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:08:07,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:08:07,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:08:07,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:08:07,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:08:07,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:08:07,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:08:07,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:08:07,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:08:07,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:08:07,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:08:07,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:08:07,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:08:07,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:08:07,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:08:07,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:08:07,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:08:07,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:08:07,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:08:07,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:08:07,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:08:07,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:08:07,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:08:07,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:08:07,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:08:07,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:08:07,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:08:07,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:08:07,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:08:07,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:08:07,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:08:07,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:08:07,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:08:07,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:08:07,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:08:07,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:08:07,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:08:07,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:08:07,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:08:07,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:08:07,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:08:07,537 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 04:08:07,585 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:08:07,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:08:07,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:08:07,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:08:07,587 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:08:07,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:08:07,588 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:08:07,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:08:07,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:08:07,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:08:07,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:08:07,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:08:07,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:08:07,591 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:08:07,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:08:07,591 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:08:07,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:08:07,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:08:07,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:08:07,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:08:07,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:08:07,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:08:07,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:08:07,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:08:07,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:08:07,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:08:07,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:08:07,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:08:07,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:08:07,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:08:08,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:08:08,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:08:08,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:08:08,137 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:08:08,138 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:08:08,139 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_productSimulator.cil.c [2020-09-25 04:08:08,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c56ffa60e/e085e9a91f3c42aea4652f97b1acd835/FLAG377b7f84c [2020-09-25 04:08:08,825 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:08:08,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_productSimulator.cil.c [2020-09-25 04:08:08,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c56ffa60e/e085e9a91f3c42aea4652f97b1acd835/FLAG377b7f84c [2020-09-25 04:08:09,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c56ffa60e/e085e9a91f3c42aea4652f97b1acd835 [2020-09-25 04:08:09,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:08:09,116 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:08:09,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:08:09,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:08:09,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:08:09,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:08:09" (1/1) ... [2020-09-25 04:08:09,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d3ce57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:09, skipping insertion in model container [2020-09-25 04:08:09,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:08:09" (1/1) ... [2020-09-25 04:08:09,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:08:09,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:08:09,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:08:09,645 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:08:09,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:08:09,896 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:08:09,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:09 WrapperNode [2020-09-25 04:08:09,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:08:09,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:08:09,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:08:09,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:08:09,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:09" (1/1) ... [2020-09-25 04:08:09,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:09" (1/1) ... [2020-09-25 04:08:09,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:09" (1/1) ... [2020-09-25 04:08:09,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:09" (1/1) ... [2020-09-25 04:08:09,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:09" (1/1) ... [2020-09-25 04:08:09,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:09" (1/1) ... [2020-09-25 04:08:09,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:09" (1/1) ... [2020-09-25 04:08:09,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:08:09,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:08:09,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:08:09,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:08:09,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:08:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:08:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:08:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:08:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:08:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:08:10,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:08:10,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:08:10,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:08:10,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:08:10,105 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:08:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:08:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:08:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:08:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:08:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:08:10,107 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:08:10,107 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-25 04:08:10,107 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-25 04:08:10,107 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-25 04:08:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-25 04:08:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-25 04:08:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-25 04:08:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:08:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-25 04:08:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-25 04:08:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:08:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:08:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:08:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:08:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:08:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 04:08:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 04:08:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 04:08:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 04:08:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:08:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:08:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:08:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:08:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-25 04:08:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:08:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:08:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:08:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:08:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:08:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:08:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:08:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 04:08:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 04:08:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:08:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:08:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:08:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:08:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:08:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:08:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:08:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:08:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:08:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:08:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:08:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:08:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:08:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:08:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:08:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:08:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:08:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:08:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:08:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:08:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:08:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:08:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:08:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:08:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:08:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:08:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:08:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:08:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:08:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:08:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:08:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:08:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:08:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 04:08:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 04:08:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:08:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:08:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:08:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 04:08:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 04:08:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:08:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:08:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:08:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-25 04:08:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:08:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-25 04:08:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 04:08:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-25 04:08:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-25 04:08:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 04:08:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-25 04:08:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-25 04:08:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:08:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-25 04:08:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-25 04:08:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-25 04:08:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:08:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:08:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:08:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:08:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:08:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:08:11,622 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:08:11,622 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:08:11,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:08:11 BoogieIcfgContainer [2020-09-25 04:08:11,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:08:11,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:08:11,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:08:11,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:08:11,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:08:09" (1/3) ... [2020-09-25 04:08:11,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a5f511c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:08:11, skipping insertion in model container [2020-09-25 04:08:11,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:09" (2/3) ... [2020-09-25 04:08:11,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a5f511c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:08:11, skipping insertion in model container [2020-09-25 04:08:11,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:08:11" (3/3) ... [2020-09-25 04:08:11,641 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2020-09-25 04:08:11,655 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:08:11,668 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:08:11,692 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:08:11,728 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:08:11,728 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:08:11,729 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:08:11,729 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:08:11,729 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:08:11,729 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:08:11,729 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:08:11,729 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:08:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states. [2020-09-25 04:08:11,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 04:08:11,789 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:08:11,791 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:08:11,791 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:08:11,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:08:11,801 INFO L82 PathProgramCache]: Analyzing trace with hash 103979020, now seen corresponding path program 1 times [2020-09-25 04:08:11,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:08:11,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965132554] [2020-09-25 04:08:11,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:08:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:12,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:12,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:14,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:17,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:17,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 04:08:17,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:08:17,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 04:08:17,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:17,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:17,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-09-25 04:08:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:17,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 04:08:18,133 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 04:08:18,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:08:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:18,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:18,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:18,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 04:08:18,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:18,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-09-25 04:08:18,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:18,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:18,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:18,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:18,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:08:18,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 04:08:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:18,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:18,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:18,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:08:18,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:18,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:08:18,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:18,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:18,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:18,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:18,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:18,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:08:18,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 04:08:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:18,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:18,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:18,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 04:08:18,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:18,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 04:08:18,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:18,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:18,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:18,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:18,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:18,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:08:18,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:08:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:18,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:18,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:18,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:18,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:18,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:08:18,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:18,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:18,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:08:18,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:08:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:18,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:18,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:18,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:18,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:18,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:08:18,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:18,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:18,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:18,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:18,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:18,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:08:18,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 04:08:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:18,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:18,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:18,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:18,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:18,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 04:08:18,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:18,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:18,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:18,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:18,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:18,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:18,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 04:08:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:18,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:18,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:18,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:18,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:18,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:08:18,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:18,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:18,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:18,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 04:08:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:18,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:18,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:18,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:18,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:18,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:18,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:18,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:18,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:18,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:18,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:18,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:18,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 04:08:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:18,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:18,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:18,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:18,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:08:18,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:18,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:18,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:18,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:18,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:18,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-25 04:08:18,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 04:08:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:18,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:18,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:18,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:18,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:18,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:08:18,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:18,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:18,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:18,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 04:08:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:18,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:18,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:18,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:18,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:18,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:18,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:18,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:18,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:18,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 04:08:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:18,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:18,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:18,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:18,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:18,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:18,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:18,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:18,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:18,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:18,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:18,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:18,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-25 04:08:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:18,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:18,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:18,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:18,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:18,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 04:08:18,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:18,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:18,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:18,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:18,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:18,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:18,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-25 04:08:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:18,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:18,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:18,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:18,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:18,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:08:18,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:18,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:18,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:18,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:18,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:18,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 04:08:18,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965132554] [2020-09-25 04:08:18,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:08:18,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:08:18,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645372640] [2020-09-25 04:08:18,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:08:18,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:08:18,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:08:18,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:08:18,879 INFO L87 Difference]: Start difference. First operand 426 states. Second operand 5 states. [2020-09-25 04:08:21,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:08:21,745 INFO L93 Difference]: Finished difference Result 688 states and 831 transitions. [2020-09-25 04:08:21,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 04:08:21,747 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2020-09-25 04:08:21,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:08:21,770 INFO L225 Difference]: With dead ends: 688 [2020-09-25 04:08:21,771 INFO L226 Difference]: Without dead ends: 433 [2020-09-25 04:08:21,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:08:21,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2020-09-25 04:08:21,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 375. [2020-09-25 04:08:21,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-09-25 04:08:21,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 422 transitions. [2020-09-25 04:08:21,936 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 422 transitions. Word has length 235 [2020-09-25 04:08:21,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:08:21,937 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 422 transitions. [2020-09-25 04:08:21,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:08:21,938 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 422 transitions. [2020-09-25 04:08:21,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-09-25 04:08:21,944 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:08:21,945 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:08:21,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:08:21,946 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:08:21,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:08:21,946 INFO L82 PathProgramCache]: Analyzing trace with hash 820894340, now seen corresponding path program 1 times [2020-09-25 04:08:21,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:08:21,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736806931] [2020-09-25 04:08:21,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:08:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:22,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:22,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:24,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:27,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:27,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 04:08:27,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:08:27,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 04:08:27,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:27,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 222 [2020-09-25 04:08:27,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:08:27,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:27,418 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 04:08:27,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:08:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:27,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:27,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:27,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 04:08:27,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:27,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-09-25 04:08:27,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:27,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:27,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:27,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:27,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:27,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:27,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 04:08:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:27,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:27,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:27,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:08:27,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:27,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:27,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:27,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:27,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:27,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:27,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:27,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:27,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 04:08:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:27,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:27,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:27,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 04:08:27,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:27,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 04:08:27,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:27,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:27,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:27,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:27,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:27,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:27,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:08:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:27,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:27,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:27,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:27,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:27,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:27,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:27,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:27,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:27,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:27,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:27,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:08:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:27,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:27,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:27,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:27,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:27,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:27,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:27,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:27,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:27,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:27,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 04:08:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:27,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:27,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:27,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:27,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:27,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:27,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:27,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:27,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:27,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:27,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:27,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:27,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 04:08:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:27,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:27,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:27,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:27,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:27,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:27,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:27,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:27,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:27,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:27,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:27,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:08:27,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 04:08:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:27,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:27,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:27,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:27,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:27,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:27,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:27,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:27,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:27,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:27,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:27,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:27,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 04:08:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:27,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:27,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:27,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:27,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:27,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:27,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:27,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:27,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:27,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:27,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:27,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:27,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 04:08:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:27,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:27,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:27,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:27,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:27,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:27,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:27,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:27,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:27,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:27,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:27,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:27,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 04:08:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:27,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:27,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:27,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:27,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:27,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:27,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:27,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:27,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:27,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 04:08:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:27,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:27,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:27,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:27,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:27,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:27,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:27,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:27,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:27,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:27,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:27,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:27,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-25 04:08:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:27,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:27,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:27,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:27,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:27,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:27,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:27,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:27,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:27,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:27,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:27,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:27,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 04:08:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:27,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:27,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:27,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:27,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:27,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:27,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:27,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:27,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 04:08:27,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736806931] [2020-09-25 04:08:27,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:08:27,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:08:27,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030854705] [2020-09-25 04:08:27,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:08:27,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:08:27,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:08:27,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:08:27,858 INFO L87 Difference]: Start difference. First operand 375 states and 422 transitions. Second operand 6 states. [2020-09-25 04:08:28,984 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 04:08:31,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:08:31,279 INFO L93 Difference]: Finished difference Result 597 states and 694 transitions. [2020-09-25 04:08:31,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 04:08:31,280 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 236 [2020-09-25 04:08:31,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:08:31,288 INFO L225 Difference]: With dead ends: 597 [2020-09-25 04:08:31,288 INFO L226 Difference]: Without dead ends: 416 [2020-09-25 04:08:31,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:08:31,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-09-25 04:08:31,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 365. [2020-09-25 04:08:31,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2020-09-25 04:08:31,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 409 transitions. [2020-09-25 04:08:31,356 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 409 transitions. Word has length 236 [2020-09-25 04:08:31,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:08:31,357 INFO L479 AbstractCegarLoop]: Abstraction has 365 states and 409 transitions. [2020-09-25 04:08:31,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:08:31,358 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 409 transitions. [2020-09-25 04:08:31,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-09-25 04:08:31,362 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:08:31,362 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:08:31,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:08:31,363 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:08:31,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:08:31,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1884524892, now seen corresponding path program 1 times [2020-09-25 04:08:31,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:08:31,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872077751] [2020-09-25 04:08:31,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:08:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:31,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:32,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:36,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:36,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-09-25 04:08:36,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:08:36,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4995 [2020-09-25 04:08:36,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:36,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:36,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 04:08:36,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-09-25 04:08:36,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-09-25 04:08:36,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:36,822 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 04:08:36,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:08:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:36,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 04:08:37,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-09-25 04:08:37,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-25 04:08:37,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 04:08:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:08:37,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:08:37,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:37,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:08:37,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 04:08:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 04:08:37,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 04:08:37,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:37,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 04:08:37,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:08:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:37,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:37,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:08:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:37,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:37,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 04:08:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:37,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:37,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 04:08:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:37,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:37,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 04:08:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:37,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:37,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 04:08:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:37,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:37,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 04:08:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:37,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:08:37,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:37,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:08:37,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 04:08:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:37,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:08:37,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:37,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:08:37,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-25 04:08:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:37,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:37,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 04:08:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:37,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:37,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 04:08:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:37,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:37,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:37,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 04:08:37,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872077751] [2020-09-25 04:08:37,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:08:37,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:08:37,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434780265] [2020-09-25 04:08:37,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:08:37,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:08:37,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:08:37,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:08:37,616 INFO L87 Difference]: Start difference. First operand 365 states and 409 transitions. Second operand 6 states. [2020-09-25 04:08:38,420 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 04:08:42,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:08:42,271 INFO L93 Difference]: Finished difference Result 864 states and 1019 transitions. [2020-09-25 04:08:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 04:08:42,272 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 246 [2020-09-25 04:08:42,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:08:42,277 INFO L225 Difference]: With dead ends: 864 [2020-09-25 04:08:42,278 INFO L226 Difference]: Without dead ends: 651 [2020-09-25 04:08:42,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:08:42,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-09-25 04:08:42,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 568. [2020-09-25 04:08:42,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2020-09-25 04:08:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 652 transitions. [2020-09-25 04:08:42,372 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 652 transitions. Word has length 246 [2020-09-25 04:08:42,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:08:42,373 INFO L479 AbstractCegarLoop]: Abstraction has 568 states and 652 transitions. [2020-09-25 04:08:42,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:08:42,373 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 652 transitions. [2020-09-25 04:08:42,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-09-25 04:08:42,379 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:08:42,380 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:08:42,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:08:42,380 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:08:42,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:08:42,381 INFO L82 PathProgramCache]: Analyzing trace with hash 544054283, now seen corresponding path program 1 times [2020-09-25 04:08:42,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:08:42,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78587857] [2020-09-25 04:08:42,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:08:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:42,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:44,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:44,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-25 04:08:44,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:44,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2175 [2020-09-25 04:08:44,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:44,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:44,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 04:08:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-25 04:08:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 195 [2020-09-25 04:08:44,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:08:45,010 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 04:08:45,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:08:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 04:08:45,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-09-25 04:08:45,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:45,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 04:08:45,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 04:08:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:08:45,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:08:45,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:45,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:08:45,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 04:08:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 04:08:45,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 04:08:45,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:45,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 04:08:45,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:08:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:45,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:45,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:45,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:45,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:08:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:45,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:08:45,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:45,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:45,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 04:08:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:45,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:45,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:45,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 04:08:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:45,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:45,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:45,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:45,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 04:08:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:45,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:45,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:45,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:45,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 04:08:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:08:45,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:45,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:45,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:45,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 04:08:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:45,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:45,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:45,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:08:45,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 04:08:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:45,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:45,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:45,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:08:45,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-25 04:08:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:08:45,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:45,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:45,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:08:45,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-25 04:08:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:45,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:45,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:45,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:08:45,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-25 04:08:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:45,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:08:45,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:08:45,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:08:45,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-09-25 04:08:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:45,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:45,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:45,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:45,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,699 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 04:08:45,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [78587857] [2020-09-25 04:08:45,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:08:45,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 04:08:45,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332520471] [2020-09-25 04:08:45,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 04:08:45,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:08:45,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 04:08:45,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:08:45,703 INFO L87 Difference]: Start difference. First operand 568 states and 652 transitions. Second operand 11 states. [2020-09-25 04:08:46,480 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 04:08:49,976 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 04:08:50,376 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 04:08:50,852 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 04:08:51,293 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 04:08:51,688 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 04:08:52,040 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 04:08:52,433 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 04:08:54,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:08:54,899 INFO L93 Difference]: Finished difference Result 1540 states and 1898 transitions. [2020-09-25 04:08:54,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 04:08:54,901 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 255 [2020-09-25 04:08:54,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:08:54,910 INFO L225 Difference]: With dead ends: 1540 [2020-09-25 04:08:54,910 INFO L226 Difference]: Without dead ends: 1124 [2020-09-25 04:08:54,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2020-09-25 04:08:54,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2020-09-25 04:08:55,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 995. [2020-09-25 04:08:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 995 states. [2020-09-25 04:08:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1170 transitions. [2020-09-25 04:08:55,082 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1170 transitions. Word has length 255 [2020-09-25 04:08:55,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:08:55,083 INFO L479 AbstractCegarLoop]: Abstraction has 995 states and 1170 transitions. [2020-09-25 04:08:55,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 04:08:55,083 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1170 transitions. [2020-09-25 04:08:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-09-25 04:08:55,091 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:08:55,091 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:08:55,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:08:55,092 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:08:55,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:08:55,092 INFO L82 PathProgramCache]: Analyzing trace with hash -522870887, now seen corresponding path program 1 times [2020-09-25 04:08:55,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:08:55,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1463030006] [2020-09-25 04:08:55,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:08:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 04:08:55,179 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 04:08:55,179 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 04:08:55,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 04:08:55,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 04:08:55 BoogieIcfgContainer [2020-09-25 04:08:55,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 04:08:55,222 INFO L168 Benchmark]: Toolchain (without parser) took 46110.72 ms. Allocated memory was 136.3 MB in the beginning and 766.0 MB in the end (delta: 629.7 MB). Free memory was 98.5 MB in the beginning and 195.3 MB in the end (delta: -96.8 MB). Peak memory consumption was 532.9 MB. Max. memory is 7.1 GB. [2020-09-25 04:08:55,223 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.3 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 04:08:55,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.98 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 97.9 MB in the beginning and 163.0 MB in the end (delta: -65.0 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-09-25 04:08:55,225 INFO L168 Benchmark]: Boogie Preprocessor took 97.41 ms. Allocated memory is still 199.8 MB. Free memory was 163.0 MB in the beginning and 158.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-09-25 04:08:55,226 INFO L168 Benchmark]: RCFGBuilder took 1635.20 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 158.5 MB in the beginning and 155.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2020-09-25 04:08:55,227 INFO L168 Benchmark]: TraceAbstraction took 43587.75 ms. Allocated memory was 226.5 MB in the beginning and 766.0 MB in the end (delta: 539.5 MB). Free memory was 155.8 MB in the beginning and 195.3 MB in the end (delta: -39.5 MB). Peak memory consumption was 500.0 MB. Max. memory is 7.1 GB. [2020-09-25 04:08:55,230 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 136.3 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.98 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 97.9 MB in the beginning and 163.0 MB in the end (delta: -65.0 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.41 ms. Allocated memory is still 199.8 MB. Free memory was 163.0 MB in the beginning and 158.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1635.20 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 158.5 MB in the beginning and 155.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43587.75 ms. Allocated memory was 226.5 MB in the beginning and 766.0 MB in the end (delta: 539.5 MB). Free memory was 155.8 MB in the beginning and 195.3 MB in the end (delta: -39.5 MB). Peak memory consumption was 500.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1022]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L406] int cleanupTimeShifts = 4; [L510] int __SELECTED_FEATURE_base ; [L511] int __SELECTED_FEATURE_highWaterSensor ; [L512] int __SELECTED_FEATURE_lowWaterSensor ; [L513] int __SELECTED_FEATURE_methaneQuery ; [L514] int __SELECTED_FEATURE_methaneAlarm ; [L515] int __SELECTED_FEATURE_stopCommand ; [L516] int __SELECTED_FEATURE_startCommand ; [L517] int __GUIDSL_ROOT_PRODUCTION ; [L605] int pumpRunning = 0; [L606] int systemActive = 1; [L1027] int waterLevel = 1; [L1028] int methaneLevelCritical = 0; [L487] int retValue_acc ; [L488] int tmp ; [L492] CALL select_helpers() [L968] __GUIDSL_ROOT_PRODUCTION = 1 [L492] RET select_helpers() [L493] CALL select_features() [L953] __SELECTED_FEATURE_base = 1 [L954] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L954] RET, EXPR select_one() [L954] __SELECTED_FEATURE_highWaterSensor = select_one() [L955] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L955] RET, EXPR select_one() [L955] __SELECTED_FEATURE_lowWaterSensor = select_one() [L956] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L956] RET, EXPR select_one() [L956] __SELECTED_FEATURE_methaneQuery = select_one() [L957] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L957] RET, EXPR select_one() [L957] __SELECTED_FEATURE_methaneAlarm = select_one() [L958] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L958] RET, EXPR select_one() [L958] __SELECTED_FEATURE_stopCommand = select_one() [L959] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L959] RET, EXPR select_one() [L959] __SELECTED_FEATURE_startCommand = select_one() [L493] RET select_features() [L494] CALL, EXPR valid_product() [L973] int retValue_acc ; [L976] retValue_acc = __SELECTED_FEATURE_base [L977] return (retValue_acc); [L494] RET, EXPR valid_product() [L494] tmp = valid_product() [L496] COND TRUE \read(tmp) [L498] FCALL setup() [L499] CALL runTest() [L478] CALL test() [L521] int splverifierCounter ; [L522] int tmp ; [L523] int tmp___0 ; [L524] int tmp___1 ; [L525] int tmp___2 ; [L528] splverifierCounter = 0 [L530] COND TRUE 1 [L532] COND TRUE splverifierCounter < 4 [L538] tmp = __VERIFIER_nondet_int() [L540] COND TRUE \read(tmp) [L542] CALL waterRise() [L1045] COND TRUE waterLevel < 2 [L1046] waterLevel = waterLevel + 1 [L542] RET waterRise() [L548] tmp___0 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___0)) [L558] tmp___2 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___2)) [L570] tmp___1 = __VERIFIER_nondet_int() [L572] COND TRUE \read(tmp___1) [L573] COND TRUE \read(__SELECTED_FEATURE_stopCommand) [L575] CALL stopSystem() [L917] COND FALSE !(\read(pumpRunning)) [L924] systemActive = 0 [L575] RET stopSystem() [L585] CALL timeShift() [L613] COND FALSE !(\read(pumpRunning)) [L620] COND FALSE !(\read(systemActive)) [L628] CALL __utac_acc__Specification3_spec__1() [L985] int tmp ; [L986] int tmp___0 ; [L987] int tmp___1 ; [L991] CALL, EXPR isMethaneLevelCritical() [L1066] int retValue_acc ; [L1069] retValue_acc = methaneLevelCritical [L1070] return (retValue_acc); [L991] RET, EXPR isMethaneLevelCritical() [L991] tmp = isMethaneLevelCritical() [L993] COND FALSE !(\read(tmp)) [L997] CALL, EXPR getWaterLevel() [L1098] int retValue_acc ; [L1101] retValue_acc = waterLevel [L1102] return (retValue_acc); [L997] RET, EXPR getWaterLevel() [L997] tmp___0 = getWaterLevel() [L999] COND TRUE tmp___0 == 2 [L1001] CALL, EXPR isPumpRunning() [L831] int retValue_acc ; [L834] retValue_acc = pumpRunning [L835] return (retValue_acc); [L1001] RET, EXPR isPumpRunning() [L1001] tmp___1 = isPumpRunning() [L1003] COND FALSE !(\read(tmp___1)) [L1007] CALL __automaton_fail() [L1022] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 730 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 43.4s, OverallIterations: 5, TraceHistogramMax: 6, AutomataDifference: 20.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1373 SDtfs, 2904 SDslu, 902 SDs, 0 SdLazy, 3988 SolverSat, 1154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=995occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 321 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 21.4s InterpolantComputationTime, 1232 NumberOfCodeBlocks, 1232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 968 ConstructedInterpolants, 0 QuantifiedInterpolants, 511212 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 480/480 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...