/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --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_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:12:17,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:12:17,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:12:17,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:12:17,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:12:17,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:12:17,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:12:17,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:12:17,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:12:17,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:12:17,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:12:17,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:12:17,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:12:17,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:12:17,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:12:17,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:12:17,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:12:17,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:12:17,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:12:17,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:12:17,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:12:17,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:12:17,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:12:17,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:12:17,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:12:17,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:12:17,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:12:17,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:12:17,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:12:17,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:12:17,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:12:17,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:12:17,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:12:17,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:12:17,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:12:17,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:12:17,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:12:17,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:12:17,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:12:17,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:12:17,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:12:17,813 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 13:12:17,861 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:12:17,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:12:17,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:12:17,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:12:17,865 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:12:17,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:12:17,865 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:12:17,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:12:17,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:12:17,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:12:17,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:12:17,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:12:17,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:12:17,869 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:12:17,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:12:17,869 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:12:17,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:12:17,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:12:17,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:12:17,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:12:17,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:12:17,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:12:17,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:12:17,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:12:17,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:12:17,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:12:17,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:12:17,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:12:17,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:12:17,872 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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:12:18,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:12:18,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:12:18,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:12:18,370 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:12:18,371 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:12:18,372 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product55.cil.c [2020-09-25 13:12:18,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5b749b426/03e9f5c3b89d40f2948f6333eecd0484/FLAG97c1d8aa9 [2020-09-25 13:12:19,060 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:12:19,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product55.cil.c [2020-09-25 13:12:19,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5b749b426/03e9f5c3b89d40f2948f6333eecd0484/FLAG97c1d8aa9 [2020-09-25 13:12:19,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5b749b426/03e9f5c3b89d40f2948f6333eecd0484 [2020-09-25 13:12:19,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:12:19,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:12:19,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:12:19,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:12:19,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:12:19,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:12:19" (1/1) ... [2020-09-25 13:12:19,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecced43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:19, skipping insertion in model container [2020-09-25 13:12:19,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:12:19" (1/1) ... [2020-09-25 13:12:19,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:12:19,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:12:19,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:12:19,868 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:12:20,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:12:20,100 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:12:20,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:20 WrapperNode [2020-09-25 13:12:20,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:12:20,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:12:20,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:12:20,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:12:20,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:20" (1/1) ... [2020-09-25 13:12:20,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:20" (1/1) ... [2020-09-25 13:12:20,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:20" (1/1) ... [2020-09-25 13:12:20,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:20" (1/1) ... [2020-09-25 13:12:20,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:20" (1/1) ... [2020-09-25 13:12:20,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:20" (1/1) ... [2020-09-25 13:12:20,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:20" (1/1) ... [2020-09-25 13:12:20,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:12:20,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:12:20,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:12:20,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:12:20,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:20" (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 13:12:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:12:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:12:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:12:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:12:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:12:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:12:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:12:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:12:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:12:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:12:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:12:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:12:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:12:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:12:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 13:12:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:12:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:12:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:12:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:12:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:12:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:12:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:12:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:12:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:12:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:12:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:12:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:12:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:12:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:12:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:12:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 13:12:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:12:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:12:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:12:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:12:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:12:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:12:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:12:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 13:12:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 13:12:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-25 13:12:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:12:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:12:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:12:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:12:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:12:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:12:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:12:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:12:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:12:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:12:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:12:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:12:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:12:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:12:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:12:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 13:12:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:12:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:12:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:12:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:12:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:12:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:12:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:12:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:12:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:12:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:12:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:12:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:12:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:12:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:12:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:12:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:12:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:12:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:12:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:12:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:12:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:12:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:12:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:12:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:12:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:12:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:12:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:12:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:12:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:12:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 13:12:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-25 13:12:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:12:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:12:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:12:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:12:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 13:12:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 13:12:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:12:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:12:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:12:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:12:21,636 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:12:21,636 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:12:21,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:12:21 BoogieIcfgContainer [2020-09-25 13:12:21,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:12:21,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:12:21,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:12:21,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:12:21,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:12:19" (1/3) ... [2020-09-25 13:12:21,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58756ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:12:21, skipping insertion in model container [2020-09-25 13:12:21,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:20" (2/3) ... [2020-09-25 13:12:21,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58756ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:12:21, skipping insertion in model container [2020-09-25 13:12:21,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:12:21" (3/3) ... [2020-09-25 13:12:21,659 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product55.cil.c [2020-09-25 13:12:21,672 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:12:21,687 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:12:21,710 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:12:21,742 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:12:21,742 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:12:21,742 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:12:21,742 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:12:21,742 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:12:21,743 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:12:21,743 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:12:21,743 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:12:21,775 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states. [2020-09-25 13:12:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-25 13:12:21,796 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:12:21,798 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:12:21,798 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:12:21,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:12:21,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1599034145, now seen corresponding path program 1 times [2020-09-25 13:12:21,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:12:21,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1045008964] [2020-09-25 13:12:21,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:12:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:22,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:22,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:24,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:27,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:27,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 13:12:27,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:12:27,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 13:12:27,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:27,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:27,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:12:27,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:12:27,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-25 13:12:27,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 13:12:27,650 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:12:27,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:12:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:27,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:27,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:27,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:12:27,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:27,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-09-25 13:12:27,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:27,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:12:27,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:28,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:12:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:28,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:28,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:28,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:28,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:28,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:12:28,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:28,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:28,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:28,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:28,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:28,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:12:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:28,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:28,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:28,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:28,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:28,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:12:28,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:28,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:28,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:28,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:28,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:28,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:28,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:12:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:28,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:28,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:28,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:28,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:28,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 13:12:28,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:28,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:12:28,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:28,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:12:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:28,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:28,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:28,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:28,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:28,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:12:28,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:28,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:28,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:28,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:28,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:28,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 13:12:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:28,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:28,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:28,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:28,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:28,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:12:28,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:28,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:28,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:28,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:12:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:28,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:28,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 13:12:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:28,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:28,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:28,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:28,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:28,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:12:28,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:28,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:28,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:28,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:12:28,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:28,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:28,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 13:12:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:28,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:28,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:28,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:28,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:28,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:28,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:28,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:28,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:28,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:12:28,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:28,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:12:28,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1045008964] [2020-09-25 13:12:28,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:12:28,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:12:28,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091617900] [2020-09-25 13:12:28,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:12:28,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:12:28,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:12:28,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:12:28,235 INFO L87 Difference]: Start difference. First operand 349 states. Second operand 5 states. [2020-09-25 13:12:28,861 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:12:29,761 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:12:32,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:12:32,803 INFO L93 Difference]: Finished difference Result 913 states and 1127 transitions. [2020-09-25 13:12:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:12:32,806 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-09-25 13:12:32,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:12:32,832 INFO L225 Difference]: With dead ends: 913 [2020-09-25 13:12:32,832 INFO L226 Difference]: Without dead ends: 661 [2020-09-25 13:12:32,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:12:32,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2020-09-25 13:12:33,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 571. [2020-09-25 13:12:33,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-09-25 13:12:33,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 651 transitions. [2020-09-25 13:12:33,060 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 651 transitions. Word has length 153 [2020-09-25 13:12:33,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:12:33,062 INFO L479 AbstractCegarLoop]: Abstraction has 571 states and 651 transitions. [2020-09-25 13:12:33,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:12:33,062 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 651 transitions. [2020-09-25 13:12:33,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-25 13:12:33,069 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:12:33,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:12:33,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:12:33,070 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:12:33,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:12:33,071 INFO L82 PathProgramCache]: Analyzing trace with hash -829100863, now seen corresponding path program 1 times [2020-09-25 13:12:33,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:12:33,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [721204659] [2020-09-25 13:12:33,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:12:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:33,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:33,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:33,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:33,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:37,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:38,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:38,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-09-25 13:12:38,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:12:38,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 13:12:38,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:38,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:38,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 13:12:38,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 13:12:38,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-25 13:12:38,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:38,559 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:12:38,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:12:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:38,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:38,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:38,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:12:38,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:38,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-25 13:12:38,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:38,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:38,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 13:12:38,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:38,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:12:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:38,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:38,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:38,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:38,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:38,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:38,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:38,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:38,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:38,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:38,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:38,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:38,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:12:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:38,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:38,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:38,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:38,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:38,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:38,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:38,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:38,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:38,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:12:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:38,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:38,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:38,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:38,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:38,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:12:38,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:38,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:38,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:38,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:38,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:12:38,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:38,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:12:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:38,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:38,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:38,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:38,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:38,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:38,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:38,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:38,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:38,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:38,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 13:12:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:38,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:38,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:38,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:39,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:39,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 13:12:39,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:12:39,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 13:12:39,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:39,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:39,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:39,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:39,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 13:12:39,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:39,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:12:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:39,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:39,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:39,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:39,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:12:39,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:12:39,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:12:39,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:39,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:12:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 13:12:39,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:12:39,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:39,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:12:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:39,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:39,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:39,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:12:39,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:39,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:12:39,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:39,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:39,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:12:39,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:12:39,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:12:39,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:39,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:12:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:39,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:39,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:39,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:39,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:39,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:12:39,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:39,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:39,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:39,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:39,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:39,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:39,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 13:12:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:39,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:39,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:39,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:39,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:39,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:12:39,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:39,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:39,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:39,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:39,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:12:39,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:12:39,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 13:12:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:39,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:39,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:39,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:39,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:39,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:12:39,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:39,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:12:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:12:39,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:39,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 13:12:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:39,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:39,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:39,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:39,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:39,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:12:39,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:39,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:39,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:39,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:12:39,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:39,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:39,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:12:39,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [721204659] [2020-09-25 13:12:39,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:12:39,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 13:12:39,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160026179] [2020-09-25 13:12:39,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 13:12:39,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:12:39,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 13:12:39,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 13:12:39,278 INFO L87 Difference]: Start difference. First operand 571 states and 651 transitions. Second operand 12 states. [2020-09-25 13:12:39,861 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:12:40,705 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:12:41,773 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:12:42,128 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:12:42,514 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:12:42,922 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:12:43,281 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:12:43,635 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:12:43,909 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:12:44,333 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:12:45,224 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:12:45,582 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:12:45,926 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:12:46,257 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:12:46,572 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:12:46,883 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:12:47,373 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:12:47,684 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:12:48,062 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:12:50,668 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:12:51,065 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 13:12:51,412 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:12:51,786 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 13:12:52,130 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:12:52,579 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:12:52,914 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:12:54,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:12:54,468 INFO L93 Difference]: Finished difference Result 2286 states and 3000 transitions. [2020-09-25 13:12:54,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-09-25 13:12:54,469 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 181 [2020-09-25 13:12:54,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:12:54,482 INFO L225 Difference]: With dead ends: 2286 [2020-09-25 13:12:54,482 INFO L226 Difference]: Without dead ends: 1713 [2020-09-25 13:12:54,489 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 543 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=429, Invalid=1733, Unknown=0, NotChecked=0, Total=2162 [2020-09-25 13:12:54,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2020-09-25 13:12:54,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1496. [2020-09-25 13:12:54,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2020-09-25 13:12:54,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1730 transitions. [2020-09-25 13:12:54,773 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1730 transitions. Word has length 181 [2020-09-25 13:12:54,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:12:54,774 INFO L479 AbstractCegarLoop]: Abstraction has 1496 states and 1730 transitions. [2020-09-25 13:12:54,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 13:12:54,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1730 transitions. [2020-09-25 13:12:54,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-25 13:12:54,778 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:12:54,778 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:12:54,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:12:54,779 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:12:54,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:12:54,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1515693883, now seen corresponding path program 1 times [2020-09-25 13:12:54,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:12:54,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626053915] [2020-09-25 13:12:54,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:12:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 13:12:54,852 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 13:12:54,852 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 13:12:54,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:12:54,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 01:12:54 BoogieIcfgContainer [2020-09-25 13:12:54,887 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 13:12:54,889 INFO L168 Benchmark]: Toolchain (without parser) took 35526.16 ms. Allocated memory was 148.4 MB in the beginning and 624.4 MB in the end (delta: 476.1 MB). Free memory was 103.9 MB in the beginning and 425.7 MB in the end (delta: -321.8 MB). Peak memory consumption was 154.2 MB. Max. memory is 7.1 GB. [2020-09-25 13:12:54,890 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 148.4 MB. Free memory was 123.0 MB in the beginning and 122.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 13:12:54,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.75 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 103.3 MB in the beginning and 174.8 MB in the end (delta: -71.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-09-25 13:12:54,892 INFO L168 Benchmark]: Boogie Preprocessor took 112.58 ms. Allocated memory is still 205.5 MB. Free memory was 174.1 MB in the beginning and 170.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-25 13:12:54,893 INFO L168 Benchmark]: RCFGBuilder took 1430.61 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 170.1 MB in the beginning and 168.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2020-09-25 13:12:54,894 INFO L168 Benchmark]: TraceAbstraction took 33239.56 ms. Allocated memory was 235.4 MB in the beginning and 624.4 MB in the end (delta: 389.0 MB). Free memory was 168.5 MB in the beginning and 425.7 MB in the end (delta: -257.2 MB). Peak memory consumption was 131.8 MB. Max. memory is 7.1 GB. [2020-09-25 13:12:54,898 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 148.4 MB. Free memory was 123.0 MB in the beginning and 122.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.75 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 103.3 MB in the beginning and 174.8 MB in the end (delta: -71.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.58 ms. Allocated memory is still 205.5 MB. Free memory was 174.1 MB in the beginning and 170.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1430.61 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 170.1 MB in the beginning and 168.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33239.56 ms. Allocated memory was 235.4 MB in the beginning and 624.4 MB in the end (delta: 389.0 MB). Free memory was 168.5 MB in the beginning and 425.7 MB in the end (delta: -257.2 MB). Peak memory consumption was 131.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 193]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L86] int waterLevel = 1; [L87] int methaneLevelCritical = 0; [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L564] int cleanupTimeShifts = 4; [L667] int pumpRunning = 0; [L668] int systemActive = 1; [L640] int retValue_acc ; [L641] int tmp ; [L645] FCALL select_helpers() [L646] FCALL select_features() [L647] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L647] RET, EXPR valid_product() [L647] tmp = valid_product() [L649] COND TRUE \read(tmp) [L651] FCALL setup() [L652] CALL runTest() [L634] CALL test() [L941] int splverifierCounter ; [L942] int tmp ; [L943] int tmp___0 ; [L944] int tmp___1 ; [L945] int tmp___2 ; [L948] splverifierCounter = 0 [L950] COND TRUE 1 [L952] COND TRUE splverifierCounter < 4 [L958] tmp = __VERIFIER_nondet_int() [L960] COND TRUE \read(tmp) [L962] CALL waterRise() [L104] COND TRUE waterLevel < 2 [L105] waterLevel = waterLevel + 1 [L962] RET waterRise() [L968] tmp___0 = __VERIFIER_nondet_int() [L970] COND FALSE !(\read(tmp___0)) [L978] tmp___2 = __VERIFIER_nondet_int() [L980] COND FALSE !(\read(tmp___2)) [L984] tmp___1 = __VERIFIER_nondet_int() [L986] COND TRUE \read(tmp___1) [L988] CALL stopSystem() [L894] COND FALSE !(\read(pumpRunning)) [L901] systemActive = 0 [L988] RET stopSystem() [L995] CALL timeShift() [L675] COND FALSE !(\read(pumpRunning)) [L682] COND FALSE !(\read(systemActive)) [L690] CALL __utac_acc__Specification3_spec__1() [L907] int tmp ; [L908] int tmp___0 ; [L909] int tmp___1 ; [L913] CALL, EXPR isMethaneLevelCritical() [L125] int retValue_acc ; [L128] retValue_acc = methaneLevelCritical [L129] return (retValue_acc); [L913] RET, EXPR isMethaneLevelCritical() [L913] tmp = isMethaneLevelCritical() [L915] COND FALSE !(\read(tmp)) [L919] CALL, EXPR getWaterLevel() [L157] int retValue_acc ; [L160] retValue_acc = waterLevel [L161] return (retValue_acc); [L919] RET, EXPR getWaterLevel() [L919] tmp___0 = getWaterLevel() [L921] COND TRUE tmp___0 == 2 [L923] CALL, EXPR isPumpRunning() [L808] int retValue_acc ; [L811] retValue_acc = pumpRunning [L812] return (retValue_acc); [L923] RET, EXPR isPumpRunning() [L923] tmp___1 = isPumpRunning() [L925] COND FALSE !(\read(tmp___1)) [L929] CALL __automaton_fail() [L193] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 661 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 33.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 19.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 703 SDtfs, 1955 SDslu, 1454 SDs, 0 SdLazy, 3619 SolverSat, 792 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1496occurred in iteration=2, 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, 2 MinimizatonAttempts, 307 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 511 NumberOfCodeBlocks, 511 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 332 ConstructedInterpolants, 0 QuantifiedInterpolants, 159172 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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...