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_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:31:13,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:31:13,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:31:14,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:31:14,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:31:14,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:31:14,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:31:14,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:31:14,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:31:14,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:31:14,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:31:14,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:31:14,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:31:14,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:31:14,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:31:14,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:31:14,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:31:14,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:31:14,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:31:14,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:31:14,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:31:14,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:31:14,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:31:14,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:31:14,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:31:14,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:31:14,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:31:14,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:31:14,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:31:14,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:31:14,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:31:14,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:31:14,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:31:14,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:31:14,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:31:14,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:31:14,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:31:14,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:31:14,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:31:14,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:31:14,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:31:14,042 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 [2019-09-20 13:31:14,064 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:31:14,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:31:14,065 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:31:14,065 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:31:14,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:31:14,066 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:31:14,066 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:31:14,067 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:31:14,067 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:31:14,067 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:31:14,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:31:14,068 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:31:14,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:31:14,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:31:14,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:31:14,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:31:14,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:31:14,069 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:31:14,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:31:14,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:31:14,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:31:14,070 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:31:14,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:31:14,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:31:14,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:31:14,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:31:14,071 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:31:14,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:31:14,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:31:14,071 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:31:14,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:31:14,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:31:14,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:31:14,117 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:31:14,117 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:31:14,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c [2019-09-20 13:31:14,194 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e35d7a44/4d0d44d1343f4c3ba33a09034928a86e/FLAGe2f1617cb [2019-09-20 13:31:14,674 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:31:14,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c [2019-09-20 13:31:14,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e35d7a44/4d0d44d1343f4c3ba33a09034928a86e/FLAGe2f1617cb [2019-09-20 13:31:15,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e35d7a44/4d0d44d1343f4c3ba33a09034928a86e [2019-09-20 13:31:15,010 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:31:15,012 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:31:15,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:15,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:31:15,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:31:15,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:15" (1/1) ... [2019-09-20 13:31:15,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0db5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:15, skipping insertion in model container [2019-09-20 13:31:15,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:15" (1/1) ... [2019-09-20 13:31:15,026 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:31:15,089 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:31:15,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:15,495 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:31:15,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:15,620 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:31:15,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:15 WrapperNode [2019-09-20 13:31:15,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:15,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:31:15,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:31:15,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:31:15,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:15" (1/1) ... [2019-09-20 13:31:15,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:15" (1/1) ... [2019-09-20 13:31:15,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:15" (1/1) ... [2019-09-20 13:31:15,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:15" (1/1) ... [2019-09-20 13:31:15,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:15" (1/1) ... [2019-09-20 13:31:15,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:15" (1/1) ... [2019-09-20 13:31:15,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:15" (1/1) ... [2019-09-20 13:31:15,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:31:15,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:31:15,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:31:15,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:31:15,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:15" (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 [2019-09-20 13:31:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:31:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:31:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:31:15,856 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:31:15,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:31:15,856 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:31:15,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:31:15,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:15,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:31:15,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:31:15,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:31:15,860 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:31:15,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:31:15,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:31:15,861 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 13:31:15,861 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:31:15,861 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:31:15,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:31:15,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:31:15,862 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:31:15,862 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:31:15,862 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:31:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:31:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:31:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:31:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:31:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:31:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:31:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:31:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:31:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:31:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:31:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:31:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:31:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:31:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:31:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:31:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:31:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:31:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:31:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:31:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:31:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:31:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:31:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:31:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:31:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:31:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:31:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:31:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:31:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:31:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:31:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:31:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:31:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:31:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:31:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:31:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:31:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:31:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:31:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:31:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:31:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:31:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:31:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:31:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:31:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:31:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:31:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:31:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:31:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:31:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:31:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 13:31:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:31:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:31:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:31:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:31:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:31:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:31:16,972 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:31:16,973 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:31:16,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:16 BoogieIcfgContainer [2019-09-20 13:31:16,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:31:16,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:31:16,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:31:16,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:31:16,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:31:15" (1/3) ... [2019-09-20 13:31:16,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdf6984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:16, skipping insertion in model container [2019-09-20 13:31:16,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:15" (2/3) ... [2019-09-20 13:31:16,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdf6984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:16, skipping insertion in model container [2019-09-20 13:31:16,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:16" (3/3) ... [2019-09-20 13:31:16,984 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product15.cil.c [2019-09-20 13:31:16,993 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:31:17,001 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:31:17,017 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:31:17,043 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:31:17,043 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:31:17,043 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:31:17,044 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:31:17,044 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:31:17,044 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:31:17,044 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:31:17,044 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:31:17,062 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2019-09-20 13:31:17,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:31:17,076 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:17,077 INFO L407 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] [2019-09-20 13:31:17,079 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:17,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:17,084 INFO L82 PathProgramCache]: Analyzing trace with hash -2139894153, now seen corresponding path program 1 times [2019-09-20 13:31:17,086 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:17,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:17,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:17,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:17,139 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:17,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:31:17,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:17,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:31:17,475 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:17,482 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:31:17,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:31:17,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:31:17,500 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2019-09-20 13:31:17,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:17,523 INFO L93 Difference]: Finished difference Result 129 states and 150 transitions. [2019-09-20 13:31:17,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:31:17,525 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-20 13:31:17,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:17,536 INFO L225 Difference]: With dead ends: 129 [2019-09-20 13:31:17,537 INFO L226 Difference]: Without dead ends: 118 [2019-09-20 13:31:17,538 INFO L636 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 [2019-09-20 13:31:17,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-09-20 13:31:17,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-09-20 13:31:17,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-09-20 13:31:17,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 138 transitions. [2019-09-20 13:31:17,587 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 138 transitions. Word has length 59 [2019-09-20 13:31:17,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:17,588 INFO L475 AbstractCegarLoop]: Abstraction has 118 states and 138 transitions. [2019-09-20 13:31:17,588 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:31:17,588 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 138 transitions. [2019-09-20 13:31:17,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:31:17,592 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:17,592 INFO L407 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] [2019-09-20 13:31:17,593 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:17,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:17,593 INFO L82 PathProgramCache]: Analyzing trace with hash -445963551, now seen corresponding path program 1 times [2019-09-20 13:31:17,593 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:17,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:17,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:17,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:17,596 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:31:17,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:17,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:31:17,804 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:17,806 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:31:17,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:31:17,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:31:17,809 INFO L87 Difference]: Start difference. First operand 118 states and 138 transitions. Second operand 7 states. [2019-09-20 13:31:18,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:18,301 INFO L93 Difference]: Finished difference Result 273 states and 332 transitions. [2019-09-20 13:31:18,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:31:18,302 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-09-20 13:31:18,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:18,310 INFO L225 Difference]: With dead ends: 273 [2019-09-20 13:31:18,311 INFO L226 Difference]: Without dead ends: 273 [2019-09-20 13:31:18,312 INFO L636 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 [2019-09-20 13:31:18,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2019-09-20 13:31:18,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 265. [2019-09-20 13:31:18,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2019-09-20 13:31:18,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 326 transitions. [2019-09-20 13:31:18,377 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 326 transitions. Word has length 64 [2019-09-20 13:31:18,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:18,379 INFO L475 AbstractCegarLoop]: Abstraction has 265 states and 326 transitions. [2019-09-20 13:31:18,379 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:31:18,380 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 326 transitions. [2019-09-20 13:31:18,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-20 13:31:18,383 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:18,383 INFO L407 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] [2019-09-20 13:31:18,384 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:18,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:18,384 INFO L82 PathProgramCache]: Analyzing trace with hash 835737799, now seen corresponding path program 1 times [2019-09-20 13:31:18,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:18,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:18,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:18,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:18,388 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:18,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:31:18,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:18,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:31:18,506 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:18,508 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:31:18,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:31:18,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:31:18,509 INFO L87 Difference]: Start difference. First operand 265 states and 326 transitions. Second operand 3 states. [2019-09-20 13:31:18,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:18,524 INFO L93 Difference]: Finished difference Result 238 states and 288 transitions. [2019-09-20 13:31:18,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:31:18,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-09-20 13:31:18,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:18,532 INFO L225 Difference]: With dead ends: 238 [2019-09-20 13:31:18,533 INFO L226 Difference]: Without dead ends: 238 [2019-09-20 13:31:18,533 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:31:18,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2019-09-20 13:31:18,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2019-09-20 13:31:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-09-20 13:31:18,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 288 transitions. [2019-09-20 13:31:18,591 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 288 transitions. Word has length 68 [2019-09-20 13:31:18,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:18,591 INFO L475 AbstractCegarLoop]: Abstraction has 238 states and 288 transitions. [2019-09-20 13:31:18,592 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:31:18,592 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 288 transitions. [2019-09-20 13:31:18,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-20 13:31:18,594 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:18,594 INFO L407 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] [2019-09-20 13:31:18,594 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:18,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:18,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1586718875, now seen corresponding path program 1 times [2019-09-20 13:31:18,595 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:18,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:18,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:18,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:18,598 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:31:18,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:18,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:31:18,712 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:18,713 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:31:18,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:31:18,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:31:18,715 INFO L87 Difference]: Start difference. First operand 238 states and 288 transitions. Second operand 7 states. [2019-09-20 13:31:19,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:19,113 INFO L93 Difference]: Finished difference Result 188 states and 216 transitions. [2019-09-20 13:31:19,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:31:19,115 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-09-20 13:31:19,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:19,115 INFO L225 Difference]: With dead ends: 188 [2019-09-20 13:31:19,116 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:31:19,116 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:31:19,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:31:19,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:31:19,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:31:19,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:31:19,117 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2019-09-20 13:31:19,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:19,117 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:31:19,117 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:31:19,118 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:31:19,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:31:19,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:31:19 BoogieIcfgContainer [2019-09-20 13:31:19,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:31:19,126 INFO L168 Benchmark]: Toolchain (without parser) took 4113.18 ms. Allocated memory was 131.6 MB in the beginning and 267.4 MB in the end (delta: 135.8 MB). Free memory was 85.2 MB in the beginning and 164.2 MB in the end (delta: -79.1 MB). Peak memory consumption was 56.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:19,127 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:31:19,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.92 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 85.0 MB in the beginning and 164.6 MB in the end (delta: -79.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:19,129 INFO L168 Benchmark]: Boogie Preprocessor took 135.47 ms. Allocated memory is still 199.2 MB. Free memory was 164.6 MB in the beginning and 160.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:19,130 INFO L168 Benchmark]: RCFGBuilder took 1217.80 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 160.4 MB in the beginning and 192.1 MB in the end (delta: -31.7 MB). Peak memory consumption was 92.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:19,131 INFO L168 Benchmark]: TraceAbstraction took 2147.46 ms. Allocated memory was 221.2 MB in the beginning and 267.4 MB in the end (delta: 46.1 MB). Free memory was 192.1 MB in the beginning and 164.2 MB in the end (delta: 27.9 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:19,135 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 607.92 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 85.0 MB in the beginning and 164.6 MB in the end (delta: -79.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.47 ms. Allocated memory is still 199.2 MB. Free memory was 164.6 MB in the beginning and 160.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1217.80 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 160.4 MB in the beginning and 192.1 MB in the end (delta: -31.7 MB). Peak memory consumption was 92.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2147.46 ms. Allocated memory was 221.2 MB in the beginning and 267.4 MB in the end (delta: 46.1 MB). Free memory was 192.1 MB in the beginning and 164.2 MB in the end (delta: 27.9 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 876]: 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 39 procedures, 227 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 523 SDtfs, 321 SDslu, 828 SDs, 0 SdLazy, 400 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred 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, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 27246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...