/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=DEEPEST --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_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:41:55,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:41:55,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:41:55,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:41:55,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:41:55,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:41:55,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:41:55,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:41:55,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:41:55,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:41:55,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:41:55,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:41:55,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:41:55,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:41:55,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:41:55,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:41:55,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:41:55,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:41:55,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:41:55,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:41:55,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:41:55,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:41:55,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:41:55,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:41:55,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:41:55,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:41:55,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:41:55,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:41:55,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:41:55,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:41:55,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:41:55,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:41:55,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:41:55,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:41:55,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:41:55,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:41:55,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:41:55,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:41:55,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:41:55,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:41:55,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:41:55,724 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 00:41:55,749 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:41:55,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:41:55,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:41:55,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:41:55,751 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:41:55,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:41:55,752 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:41:55,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:41:55,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:41:55,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:41:55,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:41:55,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:41:55,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:41:55,753 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:41:55,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:41:55,753 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:41:55,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:41:55,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:41:55,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:41:55,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:41:55,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:41:55,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:41:55,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:41:55,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:41:55,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:41:55,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:41:55,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:41:55,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:41:55,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:41:55,756 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 00:41:56,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:41:56,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:41:56,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:41:56,261 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:41:56,262 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:41:56,263 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c [2020-09-25 00:41:56,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d7d4fb91/4187cc5abd614fa09fb0f41254068273/FLAG05f2ed402 [2020-09-25 00:41:56,971 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:41:56,972 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c [2020-09-25 00:41:56,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d7d4fb91/4187cc5abd614fa09fb0f41254068273/FLAG05f2ed402 [2020-09-25 00:41:57,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d7d4fb91/4187cc5abd614fa09fb0f41254068273 [2020-09-25 00:41:57,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:41:57,290 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:41:57,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:41:57,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:41:57,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:41:57,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:41:57" (1/1) ... [2020-09-25 00:41:57,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff3f463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:57, skipping insertion in model container [2020-09-25 00:41:57,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:41:57" (1/1) ... [2020-09-25 00:41:57,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:41:57,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:41:57,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:41:57,874 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:41:58,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:41:58,051 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:41:58,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:58 WrapperNode [2020-09-25 00:41:58,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:41:58,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:41:58,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:41:58,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:41:58,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:58" (1/1) ... [2020-09-25 00:41:58,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:58" (1/1) ... [2020-09-25 00:41:58,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:58" (1/1) ... [2020-09-25 00:41:58,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:58" (1/1) ... [2020-09-25 00:41:58,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:58" (1/1) ... [2020-09-25 00:41:58,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:58" (1/1) ... [2020-09-25 00:41:58,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:58" (1/1) ... [2020-09-25 00:41:58,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:41:58,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:41:58,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:41:58,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:41:58,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:58" (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 00:41:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:41:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:41:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:41:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:41:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:41:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:41:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:41:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:41:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:41:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 00:41:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:41:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:41:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:41:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:41:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:41:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:41:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:41:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:41:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:41:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:41:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:41:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:41:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:41:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:41:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:41:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:41:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:41:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:41:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:41:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:41:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:41:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:41:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:41:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:41:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-25 00:41:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:41:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:41:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:41:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:41:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:41:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:41:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:41:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:41:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:41:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:41:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:41:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:41:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:41:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:41:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:41:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:41:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-25 00:41:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:41:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 00:41:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:41:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:41:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:41:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:41:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:41:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:41:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:41:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:41:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:41:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:41:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:41:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:41:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:41:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:41:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:41:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:41:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:41:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:41:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:41:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:41:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:41:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:41:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:41:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:41:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:41:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:41:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:41:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:41:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:41:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:41:59,375 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:41:59,375 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:41:59,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:41:59 BoogieIcfgContainer [2020-09-25 00:41:59,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:41:59,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:41:59,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:41:59,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:41:59,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:41:57" (1/3) ... [2020-09-25 00:41:59,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152ef287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:41:59, skipping insertion in model container [2020-09-25 00:41:59,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:58" (2/3) ... [2020-09-25 00:41:59,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152ef287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:41:59, skipping insertion in model container [2020-09-25 00:41:59,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:41:59" (3/3) ... [2020-09-25 00:41:59,392 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product05.cil.c [2020-09-25 00:41:59,404 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:41:59,415 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:41:59,435 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:41:59,463 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:41:59,463 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:41:59,463 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:41:59,463 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:41:59,463 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:41:59,463 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:41:59,464 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:41:59,464 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:41:59,490 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states. [2020-09-25 00:41:59,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-25 00:41:59,507 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:41:59,509 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 00:41:59,509 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:41:59,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:41:59,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1745842468, now seen corresponding path program 1 times [2020-09-25 00:41:59,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:41:59,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922870598] [2020-09-25 00:41:59,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:41:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:59,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:00,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:00,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:04,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:04,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 00:42:04,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:42:04,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4561 [2020-09-25 00:42:04,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 00:42:04,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:04,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-09-25 00:42:04,901 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:42:04,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:42:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:04,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:05,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:05,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:42:05,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:05,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-09-25 00:42:05,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:05,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:05,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:05,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:05,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:05,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:42:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:05,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:05,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:05,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:05,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:05,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:05,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:05,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:05,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:05,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:05,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:05,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:42:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:05,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:05,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:05,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:05,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:05,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:42:05,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:05,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:05,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:42:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:05,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:05,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:05,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:05,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:05,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:42:05,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:05,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:05,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:05,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:05,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:05,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:42:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:05,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:05,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:05,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:05,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:05,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:05,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:05,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:05,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:05,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:05,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:05,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:42:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:05,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:05,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:05,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:05,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:05,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:05,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:05,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:05,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:05,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:05,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:05,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 00:42:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:05,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:05,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:05,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:05,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:05,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:05,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:05,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:05,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:05,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:05,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 00:42:05,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 00:42:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:05,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:05,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:05,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:05,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:05,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:42:05,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:05,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:05,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:05,304 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 00:42:05,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922870598] [2020-09-25 00:42:05,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:42:05,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 00:42:05,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092991231] [2020-09-25 00:42:05,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 00:42:05,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:42:05,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 00:42:05,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 00:42:05,352 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 3 states. [2020-09-25 00:42:06,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:42:06,716 INFO L93 Difference]: Finished difference Result 413 states and 495 transitions. [2020-09-25 00:42:06,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 00:42:06,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-09-25 00:42:06,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:42:06,740 INFO L225 Difference]: With dead ends: 413 [2020-09-25 00:42:06,740 INFO L226 Difference]: Without dead ends: 263 [2020-09-25 00:42:06,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 00:42:06,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-09-25 00:42:06,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 224. [2020-09-25 00:42:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-09-25 00:42:06,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 242 transitions. [2020-09-25 00:42:06,854 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 242 transitions. Word has length 153 [2020-09-25 00:42:06,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:42:06,855 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 242 transitions. [2020-09-25 00:42:06,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 00:42:06,855 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 242 transitions. [2020-09-25 00:42:06,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-25 00:42:06,863 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:42:06,864 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:42:06,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:42:06,864 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:42:06,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:42:06,865 INFO L82 PathProgramCache]: Analyzing trace with hash 998854656, now seen corresponding path program 1 times [2020-09-25 00:42:06,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:42:06,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151762544] [2020-09-25 00:42:06,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:42:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:06,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:07,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:07,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:11,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:11,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 00:42:11,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:42:11,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 00:42:11,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:11,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:11,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 00:42:11,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:42:11,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:12,248 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:42:12,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:42:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:12,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:12,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:12,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:42:12,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:12,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 00:42:12,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:12,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:12,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:12,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:12,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:12,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:42:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:12,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:12,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:12,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:12,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:12,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:42:12,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:12,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:12,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:42:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:12,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:12,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:12,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:12,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:12,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:42:12,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:12,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:12,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:12,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:12,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:12,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:42:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:12,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:12,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:12,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:12,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:12,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:42:12,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:12,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:12,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:12,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:12,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:12,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:42:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:12,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:12,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:12,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:12,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:12,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:12,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:12,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:12,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:12,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:12,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-25 00:42:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:12,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:12,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:12,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:12,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:12,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:12,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:12,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:12,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:12,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 00:42:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:12,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:12,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:12,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:12,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:12,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:12,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:12,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:12,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:12,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:12,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:12,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 00:42:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:12,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:12,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:12,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:12,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:12,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:12,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:12,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:12,487 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 00:42:12,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151762544] [2020-09-25 00:42:12,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:42:12,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 00:42:12,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21113725] [2020-09-25 00:42:12,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 00:42:12,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:42:12,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 00:42:12,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 00:42:12,493 INFO L87 Difference]: Start difference. First operand 224 states and 242 transitions. Second operand 4 states. [2020-09-25 00:42:13,208 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:42:14,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:42:14,017 INFO L93 Difference]: Finished difference Result 330 states and 370 transitions. [2020-09-25 00:42:14,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 00:42:14,018 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-09-25 00:42:14,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:42:14,022 INFO L225 Difference]: With dead ends: 330 [2020-09-25 00:42:14,023 INFO L226 Difference]: Without dead ends: 246 [2020-09-25 00:42:14,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 00:42:14,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-09-25 00:42:14,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 214. [2020-09-25 00:42:14,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-09-25 00:42:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 229 transitions. [2020-09-25 00:42:14,064 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 229 transitions. Word has length 154 [2020-09-25 00:42:14,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:42:14,064 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 229 transitions. [2020-09-25 00:42:14,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 00:42:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 229 transitions. [2020-09-25 00:42:14,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-25 00:42:14,067 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:42:14,068 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] [2020-09-25 00:42:14,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:42:14,068 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:42:14,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:42:14,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1282576670, now seen corresponding path program 1 times [2020-09-25 00:42:14,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:42:14,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [498993346] [2020-09-25 00:42:14,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:42:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:14,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:14,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:17,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:17,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 00:42:17,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:42:17,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3168 [2020-09-25 00:42:17,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 00:42:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 00:42:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-25 00:42:17,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:17,807 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:42:17,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:42:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:17,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:18,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:18,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:42:18,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:18,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-09-25 00:42:18,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:18,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:18,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:18,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 00:42:18,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:18,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:42:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:18,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:18,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:18,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:18,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:18,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:18,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:18,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:18,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:18,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:42:18,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:18,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:42:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:18,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:18,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:18,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:18,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:18,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:18,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:18,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:18,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:18,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:42:18,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:18,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:42:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:18,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:18,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:18,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:18,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:18,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:42:18,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:18,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:18,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:18,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:42:18,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:18,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:42:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:18,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:18,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:18,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:18,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:18,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:18,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:18,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:18,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:18,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:42:18,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:18,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 00:42:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:18,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:18,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:18,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:18,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:18,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:42:18,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:18,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:18,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:18,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:42:18,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:18,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 00:42:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:18,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:18,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:18,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:18,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:18,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:42:18,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:42:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:42:18,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:18,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 00:42:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:18,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:18,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:18,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:18,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:18,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:18,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:18,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:18,398 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 00:42:18,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [498993346] [2020-09-25 00:42:18,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:42:18,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:42:18,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886552566] [2020-09-25 00:42:18,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:42:18,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:42:18,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:42:18,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:42:18,404 INFO L87 Difference]: Start difference. First operand 214 states and 229 transitions. Second operand 9 states. [2020-09-25 00:42:18,901 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:42:20,746 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 00:42:21,377 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 00:42:21,793 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:42:22,175 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:42:22,495 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:42:22,821 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:42:23,158 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:42:23,611 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:42:24,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:42:24,110 INFO L93 Difference]: Finished difference Result 449 states and 523 transitions. [2020-09-25 00:42:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 00:42:24,110 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-09-25 00:42:24,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:42:24,114 INFO L225 Difference]: With dead ends: 449 [2020-09-25 00:42:24,114 INFO L226 Difference]: Without dead ends: 345 [2020-09-25 00:42:24,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-09-25 00:42:24,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-09-25 00:42:24,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 306. [2020-09-25 00:42:24,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-09-25 00:42:24,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 337 transitions. [2020-09-25 00:42:24,169 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 337 transitions. Word has length 163 [2020-09-25 00:42:24,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:42:24,169 INFO L479 AbstractCegarLoop]: Abstraction has 306 states and 337 transitions. [2020-09-25 00:42:24,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:42:24,170 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 337 transitions. [2020-09-25 00:42:24,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-09-25 00:42:24,172 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:42:24,173 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] [2020-09-25 00:42:24,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:42:24,173 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:42:24,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:42:24,174 INFO L82 PathProgramCache]: Analyzing trace with hash 910621888, now seen corresponding path program 1 times [2020-09-25 00:42:24,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:42:24,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112906803] [2020-09-25 00:42:24,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:42:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:24,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:24,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:24,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-25 00:42:24,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:24,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-09-25 00:42:24,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:24,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:24,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 00:42:24,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 00:42:24,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:24,926 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:42:24,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:42:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:25,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:25,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:25,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:42:25,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:25,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-09-25 00:42:25,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:25,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:25,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:25,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 00:42:25,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:25,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:42:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:25,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:25,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:25,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:25,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:25,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:25,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:25,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:25,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:25,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:42:25,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:25,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:42:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:25,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:25,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:25,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:25,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:25,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:25,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:25,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:25,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:25,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:42:25,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:25,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:42:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:25,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:25,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:25,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:25,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:25,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:42:25,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:42:25,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:25,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:42:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:25,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:25,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:25,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:25,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:25,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:25,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:25,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:25,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:25,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:42:25,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:25,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 00:42:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:25,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:25,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:25,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:42:25,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:25,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:42:25,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:25,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:25,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:25,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:42:25,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:25,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 00:42:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:25,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:25,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:25,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:25,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:25,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:25,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:25,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:25,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:25,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:25,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:25,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 00:42:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:25,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:25,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:25,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:25,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:25,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:25,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:25,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:25,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 00:42:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:25,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:25,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:25,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:25,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:25,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:25,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:25,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:25,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:25,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:25,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:25,390 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 00:42:25,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112906803] [2020-09-25 00:42:25,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:42:25,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 00:42:25,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318167360] [2020-09-25 00:42:25,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 00:42:25,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:42:25,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 00:42:25,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 00:42:25,393 INFO L87 Difference]: Start difference. First operand 306 states and 337 transitions. Second operand 5 states. [2020-09-25 00:42:25,888 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:42:26,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:42:26,763 INFO L93 Difference]: Finished difference Result 564 states and 660 transitions. [2020-09-25 00:42:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 00:42:26,764 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2020-09-25 00:42:26,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:42:26,769 INFO L225 Difference]: With dead ends: 564 [2020-09-25 00:42:26,770 INFO L226 Difference]: Without dead ends: 368 [2020-09-25 00:42:26,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 00:42:26,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-09-25 00:42:26,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 311. [2020-09-25 00:42:26,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-09-25 00:42:26,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 342 transitions. [2020-09-25 00:42:26,819 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 342 transitions. Word has length 168 [2020-09-25 00:42:26,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:42:26,820 INFO L479 AbstractCegarLoop]: Abstraction has 311 states and 342 transitions. [2020-09-25 00:42:26,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 00:42:26,820 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 342 transitions. [2020-09-25 00:42:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-25 00:42:26,823 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:42:26,823 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] [2020-09-25 00:42:26,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 00:42:26,824 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:42:26,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:42:26,824 INFO L82 PathProgramCache]: Analyzing trace with hash -481228589, now seen corresponding path program 1 times [2020-09-25 00:42:26,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:42:26,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193685054] [2020-09-25 00:42:26,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:42:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 00:42:26,891 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 00:42:26,891 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 00:42:26,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 00:42:26,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:42:26 BoogieIcfgContainer [2020-09-25 00:42:26,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 00:42:26,926 INFO L168 Benchmark]: Toolchain (without parser) took 29640.72 ms. Allocated memory was 146.8 MB in the beginning and 624.4 MB in the end (delta: 477.6 MB). Free memory was 102.3 MB in the beginning and 461.9 MB in the end (delta: -359.6 MB). Peak memory consumption was 118.0 MB. Max. memory is 7.1 GB. [2020-09-25 00:42:26,927 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 00:42:26,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.31 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.7 MB in the beginning and 172.7 MB in the end (delta: -71.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-09-25 00:42:26,929 INFO L168 Benchmark]: Boogie Preprocessor took 101.57 ms. Allocated memory is still 203.4 MB. Free memory was 172.7 MB in the beginning and 168.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-25 00:42:26,930 INFO L168 Benchmark]: RCFGBuilder took 1227.76 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 168.5 MB in the beginning and 182.0 MB in the end (delta: -13.5 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2020-09-25 00:42:26,931 INFO L168 Benchmark]: TraceAbstraction took 27540.50 ms. Allocated memory was 237.5 MB in the beginning and 624.4 MB in the end (delta: 386.9 MB). Free memory was 182.0 MB in the beginning and 461.9 MB in the end (delta: -279.9 MB). Peak memory consumption was 107.0 MB. Max. memory is 7.1 GB. [2020-09-25 00:42:26,935 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 761.31 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.7 MB in the beginning and 172.7 MB in the end (delta: -71.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.57 ms. Allocated memory is still 203.4 MB. Free memory was 172.7 MB in the beginning and 168.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1227.76 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 168.5 MB in the beginning and 182.0 MB in the end (delta: -13.5 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27540.50 ms. Allocated memory was 237.5 MB in the beginning and 624.4 MB in the end (delta: 386.9 MB). Free memory was 182.0 MB in the beginning and 461.9 MB in the end (delta: -279.9 MB). Peak memory consumption was 107.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L95] int pumpRunning = 0; [L96] int systemActive = 1; [L297] int cleanupTimeShifts = 4; [L562] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L760] int waterLevel = 1; [L761] int methaneLevelCritical = 0; [L370] int retValue_acc ; [L371] int tmp ; [L375] FCALL select_helpers() [L376] FCALL select_features() [L377] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L377] RET, EXPR valid_product() [L377] tmp = valid_product() [L379] COND TRUE \read(tmp) [L381] FCALL setup() [L382] CALL runTest() [L364] CALL test() [L233] int splverifierCounter ; [L234] int tmp ; [L235] int tmp___0 ; [L236] int tmp___1 ; [L237] int tmp___2 ; [L240] splverifierCounter = 0 [L242] COND TRUE 1 [L244] COND TRUE splverifierCounter < 4 [L250] tmp = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp) [L254] CALL waterRise() [L778] COND TRUE waterLevel < 2 [L779] waterLevel = waterLevel + 1 [L254] RET waterRise() [L260] tmp___0 = __VERIFIER_nondet_int() [L262] COND FALSE !(\read(tmp___0)) [L270] tmp___2 = __VERIFIER_nondet_int() [L272] COND TRUE \read(tmp___2) [L285] CALL timeShift() [L103] COND FALSE !(\read(pumpRunning)) [L110] COND TRUE \read(systemActive) [L112] CALL processEnvironment() [L132] int tmp ; [L135] COND FALSE !(\read(pumpRunning)) [L150] FCALL processEnvironment__wrappee__base() [L112] RET processEnvironment() [L118] CALL __utac_acc__Specification3_spec__1() [L841] int tmp ; [L842] int tmp___0 ; [L843] int tmp___1 ; [L847] CALL, EXPR isMethaneLevelCritical() [L799] int retValue_acc ; [L802] retValue_acc = methaneLevelCritical [L803] return (retValue_acc); [L847] RET, EXPR isMethaneLevelCritical() [L847] tmp = isMethaneLevelCritical() [L849] COND FALSE !(\read(tmp)) [L853] CALL, EXPR getWaterLevel() [L831] int retValue_acc ; [L834] retValue_acc = waterLevel [L835] return (retValue_acc); [L853] RET, EXPR getWaterLevel() [L853] tmp___0 = getWaterLevel() [L855] COND TRUE tmp___0 == 2 [L857] CALL, EXPR isPumpRunning() [L184] int retValue_acc ; [L187] retValue_acc = pumpRunning [L188] return (retValue_acc); [L857] RET, EXPR isPumpRunning() [L857] tmp___1 = isPumpRunning() [L859] COND FALSE !(\read(tmp___1)) [L863] CALL __automaton_fail() [L82] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 590 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 27.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 826 SDtfs, 963 SDslu, 845 SDs, 0 SdLazy, 1611 SolverSat, 305 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=311occurred 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 167 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 16.3s InterpolantComputationTime, 814 NumberOfCodeBlocks, 814 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 634 ConstructedInterpolants, 0 QuantifiedInterpolants, 260164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...