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_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:31:13,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:31:13,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:31:13,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:31:13,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:31:13,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:31:13,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:31:13,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:31:13,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:31:13,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:31:13,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:31:13,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:31:13,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:31:13,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:31:13,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:31:13,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:31:13,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:31:13,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:31:13,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:31:13,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:31:13,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:31:13,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:31:13,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:31:13,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:31:13,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:31:13,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:31:13,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:31:13,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:31:13,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:31:13,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:31:13,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:31:13,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:31:13,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:31:13,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:31:13,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:31:13,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:31:13,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:31:13,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:31:13,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:31:13,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:31:13,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:31:13,956 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 13:31:13,973 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:31:13,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:31:13,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:31:13,974 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:31:13,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:31:13,975 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:31:13,975 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:31:13,975 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:31:13,975 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:31:13,976 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:31:13,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:31:13,977 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:31:13,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:31:13,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:31:13,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:31:13,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:31:13,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:31:13,978 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:31:13,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:31:13,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:31:13,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:31:13,979 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:31:13,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:31:13,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:31:13,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:31:13,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:31:13,980 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:31:13,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:31:13,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:31:13,981 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:31:14,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:31:14,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:31:14,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:31:14,029 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:31:14,029 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:31:14,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2019-09-20 13:31:14,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/267e89064/76b78e1d0b414ae183673c3075d316c5/FLAGf02d06f45 [2019-09-20 13:31:14,680 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:31:14,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2019-09-20 13:31:14,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/267e89064/76b78e1d0b414ae183673c3075d316c5/FLAGf02d06f45 [2019-09-20 13:31:14,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/267e89064/76b78e1d0b414ae183673c3075d316c5 [2019-09-20 13:31:14,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:31:14,906 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:31:14,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:14,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:31:14,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:31:14,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:14" (1/1) ... [2019-09-20 13:31:14,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4186516b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:14, skipping insertion in model container [2019-09-20 13:31:14,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:14" (1/1) ... [2019-09-20 13:31:14,925 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:31:14,980 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:31:15,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:15,512 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:31:15,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:15,642 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:31:15,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:15 WrapperNode [2019-09-20 13:31:15,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:15,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:31:15,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:31:15,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:31:15,657 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 13:31:15,657 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 13:31:15,691 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 13:31:15,692 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 13:31:15,719 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 13:31:15,735 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 13:31:15,742 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 13:31:15,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:31:15,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:31:15,756 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 13:31:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:31:15,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:31:15,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:15,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:15,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:15,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:15,832 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:31:15,833 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:31:15,833 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 13:31:15,833 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:31:15,834 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:31:15,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:31:15,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:31:15,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:31:15,836 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:31:15,836 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:31:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:31:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:31:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:31:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:31:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:31:15,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:31:15,838 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:31:15,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:31:15,838 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:31:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:31:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:31:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:31:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:31:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:31:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:31:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:31:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:31:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:31:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:31:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:31:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:31:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:31:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:31:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:31:15,843 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:31:15,843 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:31:15,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:15,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:15,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:15,843 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:31:15,843 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:31:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:31:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:31:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:31:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:31:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:31:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:31:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:31:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:31:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 13:31:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:31:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:31:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:31:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:31:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:31:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:31:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:31:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:31:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:31:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:31:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:31:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:31:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:31:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:31:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:31:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:31:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:31:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:31:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:31:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:31:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:31:15,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:15,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:15,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:31:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:31:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:31:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:31:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:31:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:31:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:31:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:31:16,985 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:31:16,986 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:31:16,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:16 BoogieIcfgContainer [2019-09-20 13:31:16,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:31:16,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:31:16,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:31:16,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:31:16,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:31:14" (1/3) ... [2019-09-20 13:31:16,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b73050 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 13:31:16,994 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 13:31:16,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b73050 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 13:31:16,994 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 13:31:16,996 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2019-09-20 13:31:17,006 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:31:17,016 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:31:17,033 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:31:17,062 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:31:17,064 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:31:17,064 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:31:17,064 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:31:17,064 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:31:17,064 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:31:17,065 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:31:17,065 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:31:17,088 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-09-20 13:31:17,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:31:17,101 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:17,102 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 13:31:17,104 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:17,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:17,109 INFO L82 PathProgramCache]: Analyzing trace with hash -347827160, now seen corresponding path program 1 times [2019-09-20 13:31:17,111 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:17,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:17,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:17,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:17,160 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:17,468 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 13:31:17,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:17,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:31:17,471 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:17,477 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:31:17,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:31:17,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:31:17,496 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2019-09-20 13:31:17,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:17,521 INFO L93 Difference]: Finished difference Result 115 states and 132 transitions. [2019-09-20 13:31:17,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:31:17,523 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-20 13:31:17,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:17,538 INFO L225 Difference]: With dead ends: 115 [2019-09-20 13:31:17,545 INFO L226 Difference]: Without dead ends: 104 [2019-09-20 13:31:17,548 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 13:31:17,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-09-20 13:31:17,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-09-20 13:31:17,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-09-20 13:31:17,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2019-09-20 13:31:17,598 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 59 [2019-09-20 13:31:17,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:17,599 INFO L475 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2019-09-20 13:31:17,599 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:31:17,599 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2019-09-20 13:31:17,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-20 13:31:17,603 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:17,603 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] [2019-09-20 13:31:17,604 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:17,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:17,604 INFO L82 PathProgramCache]: Analyzing trace with hash -445277406, now seen corresponding path program 1 times [2019-09-20 13:31:17,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:17,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:17,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:17,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:17,607 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:17,725 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 13:31:17,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:17,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:31:17,725 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:17,728 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:31:17,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:31:17,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:31:17,729 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 3 states. [2019-09-20 13:31:17,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:17,756 INFO L93 Difference]: Finished difference Result 95 states and 108 transitions. [2019-09-20 13:31:17,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:31:17,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-09-20 13:31:17,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:17,763 INFO L225 Difference]: With dead ends: 95 [2019-09-20 13:31:17,763 INFO L226 Difference]: Without dead ends: 95 [2019-09-20 13:31:17,764 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 13:31:17,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-09-20 13:31:17,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-09-20 13:31:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-09-20 13:31:17,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2019-09-20 13:31:17,785 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 60 [2019-09-20 13:31:17,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:17,788 INFO L475 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2019-09-20 13:31:17,788 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:31:17,789 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2019-09-20 13:31:17,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-20 13:31:17,791 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:17,792 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] [2019-09-20 13:31:17,792 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:17,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:17,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1419491684, now seen corresponding path program 1 times [2019-09-20 13:31:17,792 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:17,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:17,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:17,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:17,796 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:17,997 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 13:31:17,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:17,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:31:17,999 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:17,999 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:31:18,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:31:18,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:31:18,002 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 7 states. [2019-09-20 13:31:18,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:18,452 INFO L93 Difference]: Finished difference Result 218 states and 260 transitions. [2019-09-20 13:31:18,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:31:18,453 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-09-20 13:31:18,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:18,459 INFO L225 Difference]: With dead ends: 218 [2019-09-20 13:31:18,459 INFO L226 Difference]: Without dead ends: 218 [2019-09-20 13:31:18,460 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 13:31:18,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-09-20 13:31:18,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 194. [2019-09-20 13:31:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-09-20 13:31:18,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 232 transitions. [2019-09-20 13:31:18,523 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 232 transitions. Word has length 65 [2019-09-20 13:31:18,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:18,527 INFO L475 AbstractCegarLoop]: Abstraction has 194 states and 232 transitions. [2019-09-20 13:31:18,527 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:31:18,527 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 232 transitions. [2019-09-20 13:31:18,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-20 13:31:18,531 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:18,532 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 13:31:18,533 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:18,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:18,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1359348090, now seen corresponding path program 1 times [2019-09-20 13:31:18,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:18,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:18,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:18,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:18,540 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:18,758 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 13:31:18,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:18,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:31:18,759 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:18,762 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:31:18,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:31:18,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:31:18,762 INFO L87 Difference]: Start difference. First operand 194 states and 232 transitions. Second operand 6 states. [2019-09-20 13:31:18,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:18,946 INFO L93 Difference]: Finished difference Result 178 states and 204 transitions. [2019-09-20 13:31:18,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:31:18,947 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-09-20 13:31:18,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:18,948 INFO L225 Difference]: With dead ends: 178 [2019-09-20 13:31:18,948 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:31:18,949 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:31:18,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:31:18,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:31:18,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:31:18,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:31:18,950 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2019-09-20 13:31:18,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:18,950 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:31:18,951 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:31:18,951 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:31:18,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:31:18,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:31:18 BoogieIcfgContainer [2019-09-20 13:31:18,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:31:18,966 INFO L168 Benchmark]: Toolchain (without parser) took 4059.31 ms. Allocated memory was 133.7 MB in the beginning and 261.1 MB in the end (delta: 127.4 MB). Free memory was 88.7 MB in the beginning and 191.5 MB in the end (delta: -102.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:18,967 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:31:18,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.75 ms. Allocated memory was 133.7 MB in the beginning and 198.7 MB in the end (delta: 65.0 MB). Free memory was 88.5 MB in the beginning and 164.2 MB in the end (delta: -75.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:18,975 INFO L168 Benchmark]: Boogie Preprocessor took 107.91 ms. Allocated memory is still 198.7 MB. Free memory was 164.2 MB in the beginning and 160.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:18,977 INFO L168 Benchmark]: RCFGBuilder took 1231.19 ms. Allocated memory was 198.7 MB in the beginning and 224.4 MB in the end (delta: 25.7 MB). Free memory was 160.3 MB in the beginning and 193.8 MB in the end (delta: -33.5 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:18,979 INFO L168 Benchmark]: TraceAbstraction took 1974.23 ms. Allocated memory was 224.4 MB in the beginning and 261.1 MB in the end (delta: 36.7 MB). Free memory was 193.8 MB in the beginning and 191.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:18,989 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 735.75 ms. Allocated memory was 133.7 MB in the beginning and 198.7 MB in the end (delta: 65.0 MB). Free memory was 88.5 MB in the beginning and 164.2 MB in the end (delta: -75.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.91 ms. Allocated memory is still 198.7 MB. Free memory was 164.2 MB in the beginning and 160.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1231.19 ms. Allocated memory was 198.7 MB in the beginning and 224.4 MB in the end (delta: 25.7 MB). Free memory was 160.3 MB in the beginning and 193.8 MB in the end (delta: -33.5 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1974.23 ms. Allocated memory was 224.4 MB in the beginning and 261.1 MB in the end (delta: 36.7 MB). Free memory was 193.8 MB in the beginning and 191.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 408]: 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, 221 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 465 SDtfs, 225 SDslu, 795 SDs, 0 SdLazy, 218 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=3, 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, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 25622 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...