/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --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_spec5_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 02:05:17,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 02:05:17,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 02:05:17,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 02:05:17,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 02:05:17,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 02:05:17,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 02:05:17,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 02:05:17,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 02:05:17,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 02:05:17,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 02:05:17,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 02:05:17,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 02:05:17,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 02:05:17,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 02:05:17,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 02:05:17,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 02:05:17,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 02:05:17,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 02:05:17,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 02:05:17,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 02:05:17,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 02:05:17,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 02:05:17,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 02:05:17,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 02:05:17,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 02:05:17,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 02:05:17,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 02:05:17,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 02:05:17,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 02:05:17,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 02:05:17,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 02:05:17,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 02:05:17,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 02:05:17,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 02:05:17,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 02:05:17,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 02:05:17,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 02:05:17,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 02:05:17,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 02:05:17,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 02:05:17,752 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 [2020-08-28 02:05:17,779 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 02:05:17,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 02:05:17,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 02:05:17,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 02:05:17,781 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 02:05:17,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 02:05:17,782 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-28 02:05:17,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 02:05:17,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-28 02:05:17,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 02:05:17,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 02:05:17,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 02:05:17,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 02:05:17,783 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-28 02:05:17,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 02:05:17,784 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 02:05:17,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 02:05:17,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 02:05:17,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 02:05:17,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 02:05:17,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 02:05:17,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 02:05:17,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 02:05:17,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 02:05:17,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 02:05:17,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 02:05:17,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 02:05:17,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 02:05:17,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 02:05:17,787 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-08-28 02:05:18,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 02:05:18,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 02:05:18,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 02:05:18,339 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 02:05:18,339 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 02:05:18,341 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product20.cil.c [2020-08-28 02:05:18,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/095eaa155/b22e8d4466f6488bb79d2c3523545313/FLAG863c6572a [2020-08-28 02:05:19,083 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 02:05:19,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product20.cil.c [2020-08-28 02:05:19,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/095eaa155/b22e8d4466f6488bb79d2c3523545313/FLAG863c6572a [2020-08-28 02:05:19,342 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/095eaa155/b22e8d4466f6488bb79d2c3523545313 [2020-08-28 02:05:19,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 02:05:19,358 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 02:05:19,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 02:05:19,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 02:05:19,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 02:05:19,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 02:05:19" (1/1) ... [2020-08-28 02:05:19,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:05:19, skipping insertion in model container [2020-08-28 02:05:19,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 02:05:19" (1/1) ... [2020-08-28 02:05:19,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 02:05:19,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 02:05:19,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 02:05:19,871 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 02:05:20,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 02:05:20,124 INFO L208 MainTranslator]: Completed translation [2020-08-28 02:05:20,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:05:20 WrapperNode [2020-08-28 02:05:20,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 02:05:20,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 02:05:20,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 02:05:20,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 02:05:20,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:05:20" (1/1) ... [2020-08-28 02:05:20,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:05:20" (1/1) ... [2020-08-28 02:05:20,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:05:20" (1/1) ... [2020-08-28 02:05:20,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:05:20" (1/1) ... [2020-08-28 02:05:20,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:05:20" (1/1) ... [2020-08-28 02:05:20,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:05:20" (1/1) ... [2020-08-28 02:05:20,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:05:20" (1/1) ... [2020-08-28 02:05:20,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 02:05:20,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 02:05:20,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 02:05:20,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 02:05:20,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:05:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 02:05:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 02:05:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 02:05:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-28 02:05:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-28 02:05:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-28 02:05:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-28 02:05:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-28 02:05:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-28 02:05:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-28 02:05:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-28 02:05:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-28 02:05:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-28 02:05:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-28 02:05:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-28 02:05:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-28 02:05:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-28 02:05:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-28 02:05:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-28 02:05:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-28 02:05:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-28 02:05:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-28 02:05:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-28 02:05:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-28 02:05:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-28 02:05:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-28 02:05:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-28 02:05:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-28 02:05:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-28 02:05:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 02:05:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-28 02:05:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-28 02:05:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-28 02:05:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-28 02:05:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-28 02:05:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-28 02:05:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-28 02:05:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-28 02:05:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-28 02:05:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-28 02:05:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-28 02:05:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-28 02:05:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 02:05:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-28 02:05:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-28 02:05:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-28 02:05:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-28 02:05:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-28 02:05:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-28 02:05:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-28 02:05:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-28 02:05:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-28 02:05:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-28 02:05:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-28 02:05:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-28 02:05:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-28 02:05:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-28 02:05:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-28 02:05:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-28 02:05:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-28 02:05:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-28 02:05:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-28 02:05:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-28 02:05:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-28 02:05:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-28 02:05:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-28 02:05:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-28 02:05:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-28 02:05:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-28 02:05:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-28 02:05:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-28 02:05:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-28 02:05:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-28 02:05:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-28 02:05:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-28 02:05:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-28 02:05:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-28 02:05:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-28 02:05:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-28 02:05:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-28 02:05:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-28 02:05:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-28 02:05:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-28 02:05:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-28 02:05:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-28 02:05:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 02:05:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-28 02:05:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-28 02:05:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-28 02:05:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-28 02:05:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-28 02:05:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-28 02:05:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-28 02:05:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-28 02:05:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 02:05:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-28 02:05:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 02:05:21,492 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 02:05:21,492 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-28 02:05:21,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 02:05:21 BoogieIcfgContainer [2020-08-28 02:05:21,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 02:05:21,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 02:05:21,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 02:05:21,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 02:05:21,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 02:05:19" (1/3) ... [2020-08-28 02:05:21,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ccecb57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 02:05:21, skipping insertion in model container [2020-08-28 02:05:21,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:05:20" (2/3) ... [2020-08-28 02:05:21,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ccecb57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 02:05:21, skipping insertion in model container [2020-08-28 02:05:21,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 02:05:21" (3/3) ... [2020-08-28 02:05:21,509 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product20.cil.c [2020-08-28 02:05:21,521 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 02:05:21,533 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-28 02:05:21,555 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-28 02:05:21,583 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 02:05:21,583 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 02:05:21,583 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 02:05:21,583 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 02:05:21,583 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 02:05:21,584 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 02:05:21,584 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 02:05:21,584 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 02:05:21,613 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-08-28 02:05:21,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-28 02:05:21,626 INFO L414 BasicCegarLoop]: Found error trace [2020-08-28 02:05:21,627 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-28 02:05:21,628 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-28 02:05:21,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-28 02:05:21,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1637188634, now seen corresponding path program 1 times [2020-08-28 02:05:21,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-28 02:05:21,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [548244597] [2020-08-28 02:05:21,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-28 02:05:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-28 02:05:21,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-28 02:05:21,946 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Proof production must be enabled (you can do this via setOption). at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:170) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-08-28 02:05:21,955 INFO L168 Benchmark]: Toolchain (without parser) took 2593.75 ms. Allocated memory was 139.5 MB in the beginning and 234.9 MB in the end (delta: 95.4 MB). Free memory was 101.5 MB in the beginning and 176.5 MB in the end (delta: -74.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2020-08-28 02:05:21,956 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-28 02:05:21,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.81 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.3 MB in the beginning and 171.6 MB in the end (delta: -70.3 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2020-08-28 02:05:21,960 INFO L168 Benchmark]: Boogie Preprocessor took 117.07 ms. Allocated memory is still 201.9 MB. Free memory was 171.6 MB in the beginning and 167.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-28 02:05:21,962 INFO L168 Benchmark]: RCFGBuilder took 1255.74 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 167.4 MB in the beginning and 196.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2020-08-28 02:05:21,964 INFO L168 Benchmark]: TraceAbstraction took 449.43 ms. Allocated memory is still 234.9 MB. Free memory was 196.8 MB in the beginning and 176.5 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2020-08-28 02:05:21,975 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 765.81 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.3 MB in the beginning and 171.6 MB in the end (delta: -70.3 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.07 ms. Allocated memory is still 201.9 MB. Free memory was 171.6 MB in the beginning and 167.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1255.74 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 167.4 MB in the beginning and 196.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 449.43 ms. Allocated memory is still 234.9 MB. Free memory was 196.8 MB in the beginning and 176.5 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Proof production must be enabled (you can do this via setOption). de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Proof production must be enabled (you can do this via setOption).: de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...