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 -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:58:52,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:58:52,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:58:52,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:58:52,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:58:52,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:58:52,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:58:52,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:58:52,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:58:52,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:58:52,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:58:52,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:58:52,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:58:52,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:58:52,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:58:52,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:58:52,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:58:52,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:58:52,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:58:52,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:58:52,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:58:52,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:58:52,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:58:52,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:58:52,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:58:52,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:58:52,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:58:52,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:58:52,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:58:52,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:58:52,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:58:52,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:58:52,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:58:52,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:58:52,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:58:52,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:58:52,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:58:52,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:58:52,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:58:52,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:58:52,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:58:52,737 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:58:52,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:58:52,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:58:52,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:58:52,765 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:58:52,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:58:52,766 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:58:52,766 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:58:52,766 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:58:52,766 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:58:52,766 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:58:52,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:58:52,769 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:58:52,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:58:52,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:58:52,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:58:52,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:58:52,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:58:52,771 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:58:52,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:58:52,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:58:52,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:58:52,772 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:58:52,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:58:52,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:58:52,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:58:52,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:58:52,773 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:58:52,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:58:52,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:58:52,773 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:58:52,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:58:52,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:58:52,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:58:52,838 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:58:52,839 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:58:52,839 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c [2019-10-03 02:58:52,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd9652b0d/0fb20bd6428f4e8691db29efcfc16218/FLAG287dbcca5 [2019-10-03 02:58:53,478 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:58:53,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c [2019-10-03 02:58:53,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd9652b0d/0fb20bd6428f4e8691db29efcfc16218/FLAG287dbcca5 [2019-10-03 02:58:53,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd9652b0d/0fb20bd6428f4e8691db29efcfc16218 [2019-10-03 02:58:53,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:58:53,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:58:53,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:58:53,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:58:53,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:58:53,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:58:53" (1/1) ... [2019-10-03 02:58:53,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aab3225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:53, skipping insertion in model container [2019-10-03 02:58:53,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:58:53" (1/1) ... [2019-10-03 02:58:53,797 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:58:53,864 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:58:54,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:58:54,404 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:58:54,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:58:54,588 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:58:54,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:54 WrapperNode [2019-10-03 02:58:54,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:58:54,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:58:54,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:58:54,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:58:54,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:54" (1/1) ... [2019-10-03 02:58:54,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:54" (1/1) ... [2019-10-03 02:58:54,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:54" (1/1) ... [2019-10-03 02:58:54,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:54" (1/1) ... [2019-10-03 02:58:54,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:54" (1/1) ... [2019-10-03 02:58:54,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:54" (1/1) ... [2019-10-03 02:58:54,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:54" (1/1) ... [2019-10-03 02:58:54,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:58:54,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:58:54,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:58:54,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:58:54,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-10-03 02:58:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:58:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:58:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:58:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:58:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:58:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:58:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:58:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-03 02:58:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-03 02:58:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-03 02:58:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:58:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:58:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:58:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:58:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:58:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:58:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-03 02:58:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-03 02:58:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-03 02:58:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-03 02:58:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-03 02:58:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-03 02:58:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-03 02:58:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:58:54,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-03 02:58:54,788 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-03 02:58:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:58:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-03 02:58:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:58:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:58:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-03 02:58:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-03 02:58:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-03 02:58:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-03 02:58:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-03 02:58:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-03 02:58:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-03 02:58:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-03 02:58:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-03 02:58:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-03 02:58:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-03 02:58:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:58:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:58:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:58:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:58:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:58:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:58:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:58:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:58:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-03 02:58:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-03 02:58:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-03 02:58:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-03 02:58:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-03 02:58:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:58:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:58:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:58:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:58:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:58:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:58:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:58:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:58:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:58:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:58:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:58:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:58:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:58:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:58:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:58:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:58:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:58:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-03 02:58:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-03 02:58:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-03 02:58:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-03 02:58:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-03 02:58:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-03 02:58:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-03 02:58:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-03 02:58:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-03 02:58:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-03 02:58:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:58:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:58:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-03 02:58:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:58:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-03 02:58:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-03 02:58:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-03 02:58:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-03 02:58:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-03 02:58:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-03 02:58:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-03 02:58:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-03 02:58:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:58:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:58:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:58:55,869 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:58:55,869 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-03 02:58:55,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:58:55 BoogieIcfgContainer [2019-10-03 02:58:55,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:58:55,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:58:55,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:58:55,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:58:55,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:58:53" (1/3) ... [2019-10-03 02:58:55,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190522a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:58:55, skipping insertion in model container [2019-10-03 02:58:55,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:54" (2/3) ... [2019-10-03 02:58:55,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190522a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:58:55, skipping insertion in model container [2019-10-03 02:58:55,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:58:55" (3/3) ... [2019-10-03 02:58:55,878 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product27.cil.c [2019-10-03 02:58:55,888 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:58:55,896 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:58:55,913 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:58:55,940 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:58:55,940 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:58:55,940 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:58:55,940 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:58:55,940 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:58:55,940 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:58:55,941 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:58:55,941 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:58:55,959 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2019-10-03 02:58:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-03 02:58:55,973 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:55,974 INFO L411 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] [2019-10-03 02:58:55,976 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:55,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:55,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1061084108, now seen corresponding path program 1 times [2019-10-03 02:58:55,984 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:56,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:56,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:56,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:56,039 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-03 02:58:56,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:56,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:58:56,302 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:56,308 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:58:56,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:58:56,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:56,331 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2019-10-03 02:58:56,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:56,374 INFO L93 Difference]: Finished difference Result 131 states and 153 transitions. [2019-10-03 02:58:56,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:58:56,376 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-03 02:58:56,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:56,389 INFO L225 Difference]: With dead ends: 131 [2019-10-03 02:58:56,389 INFO L226 Difference]: Without dead ends: 120 [2019-10-03 02:58:56,391 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:56,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-03 02:58:56,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-10-03 02:58:56,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-10-03 02:58:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2019-10-03 02:58:56,440 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 59 [2019-10-03 02:58:56,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:56,440 INFO L475 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2019-10-03 02:58:56,440 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:58:56,441 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2019-10-03 02:58:56,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-03 02:58:56,444 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:56,445 INFO L411 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, 1, 1, 1, 1, 1] [2019-10-03 02:58:56,445 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:56,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:56,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1539374261, now seen corresponding path program 1 times [2019-10-03 02:58:56,446 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:56,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:56,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:56,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:56,449 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-03 02:58:56,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:56,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:58:56,709 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:56,712 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:58:56,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:58:56,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:58:56,713 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 7 states. [2019-10-03 02:58:57,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:57,210 INFO L93 Difference]: Finished difference Result 277 states and 338 transitions. [2019-10-03 02:58:57,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:58:57,211 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-03 02:58:57,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:57,216 INFO L225 Difference]: With dead ends: 277 [2019-10-03 02:58:57,217 INFO L226 Difference]: Without dead ends: 277 [2019-10-03 02:58:57,218 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-03 02:58:57,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2019-10-03 02:58:57,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 269. [2019-10-03 02:58:57,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-10-03 02:58:57,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 332 transitions. [2019-10-03 02:58:57,290 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 332 transitions. Word has length 64 [2019-10-03 02:58:57,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:57,292 INFO L475 AbstractCegarLoop]: Abstraction has 269 states and 332 transitions. [2019-10-03 02:58:57,292 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:58:57,292 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 332 transitions. [2019-10-03 02:58:57,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-03 02:58:57,301 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:57,302 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:57,302 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:57,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:57,303 INFO L82 PathProgramCache]: Analyzing trace with hash -651852444, now seen corresponding path program 1 times [2019-10-03 02:58:57,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:57,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:57,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:57,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:57,308 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:57,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-03 02:58:57,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:57,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:58:57,563 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:57,564 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:58:57,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:58:57,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:58:57,565 INFO L87 Difference]: Start difference. First operand 269 states and 332 transitions. Second operand 7 states. [2019-10-03 02:58:58,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:58,054 INFO L93 Difference]: Finished difference Result 215 states and 254 transitions. [2019-10-03 02:58:58,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:58:58,055 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-10-03 02:58:58,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:58,056 INFO L225 Difference]: With dead ends: 215 [2019-10-03 02:58:58,056 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:58:58,056 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-03 02:58:58,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:58:58,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:58:58,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:58:58,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:58:58,057 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2019-10-03 02:58:58,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:58,058 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:58:58,058 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:58:58,058 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:58:58,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:58:58,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:58:58 BoogieIcfgContainer [2019-10-03 02:58:58,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:58:58,066 INFO L168 Benchmark]: Toolchain (without parser) took 4286.84 ms. Allocated memory was 131.6 MB in the beginning and 268.4 MB in the end (delta: 136.8 MB). Free memory was 86.8 MB in the beginning and 179.0 MB in the end (delta: -92.2 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:58,067 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-03 02:58:58,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 810.01 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 86.6 MB in the beginning and 160.9 MB in the end (delta: -74.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:58,070 INFO L168 Benchmark]: Boogie Preprocessor took 108.92 ms. Allocated memory is still 198.2 MB. Free memory was 160.9 MB in the beginning and 157.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:58,071 INFO L168 Benchmark]: RCFGBuilder took 1171.51 ms. Allocated memory was 198.2 MB in the beginning and 219.7 MB in the end (delta: 21.5 MB). Free memory was 157.0 MB in the beginning and 186.1 MB in the end (delta: -29.1 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:58,072 INFO L168 Benchmark]: TraceAbstraction took 2192.04 ms. Allocated memory was 219.7 MB in the beginning and 268.4 MB in the end (delta: 48.8 MB). Free memory was 186.1 MB in the beginning and 179.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 55.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:58,076 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 810.01 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 86.6 MB in the beginning and 160.9 MB in the end (delta: -74.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.92 ms. Allocated memory is still 198.2 MB. Free memory was 160.9 MB in the beginning and 157.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1171.51 ms. Allocated memory was 198.2 MB in the beginning and 219.7 MB in the end (delta: 21.5 MB). Free memory was 157.0 MB in the beginning and 186.1 MB in the end (delta: -29.1 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2192.04 ms. Allocated memory was 219.7 MB in the beginning and 268.4 MB in the end (delta: 48.8 MB). Free memory was 186.1 MB in the beginning and 179.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 55.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 237 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 414 SDtfs, 330 SDslu, 759 SDs, 0 SdLazy, 410 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=269occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 22937 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...