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_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:58:40,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:58:40,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:58:40,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:58:40,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:58:40,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:58:40,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:58:40,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:58:40,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:58:40,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:58:40,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:58:40,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:58:40,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:58:40,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:58:40,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:58:40,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:58:40,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:58:40,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:58:40,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:58:40,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:58:40,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:58:40,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:58:40,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:58:40,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:58:40,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:58:40,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:58:40,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:58:40,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:58:40,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:58:40,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:58:40,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:58:40,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:58:40,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:58:40,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:58:40,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:58:40,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:58:40,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:58:40,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:58:40,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:58:40,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:58:40,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:58:40,103 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:58:40,118 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:58:40,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:58:40,119 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:58:40,119 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:58:40,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:58:40,120 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:58:40,120 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:58:40,121 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:58:40,121 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:58:40,121 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:58:40,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:58:40,122 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:58:40,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:58:40,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:58:40,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:58:40,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:58:40,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:58:40,123 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:58:40,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:58:40,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:58:40,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:58:40,124 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:58:40,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:58:40,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:58:40,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:58:40,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:58:40,125 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:58:40,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:58:40,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:58:40,126 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:58:40,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:58:40,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:58:40,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:58:40,178 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:58:40,178 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:58:40,179 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c [2019-10-03 02:58:40,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a3c92c2a/53a1626809124ad0a539a2d2f6092969/FLAG5cf51e7b3 [2019-10-03 02:58:40,790 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:58:40,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c [2019-10-03 02:58:40,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a3c92c2a/53a1626809124ad0a539a2d2f6092969/FLAG5cf51e7b3 [2019-10-03 02:58:41,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a3c92c2a/53a1626809124ad0a539a2d2f6092969 [2019-10-03 02:58:41,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:58:41,114 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:58:41,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:58:41,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:58:41,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:58:41,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:58:41" (1/1) ... [2019-10-03 02:58:41,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26214cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:41, skipping insertion in model container [2019-10-03 02:58:41,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:58:41" (1/1) ... [2019-10-03 02:58:41,133 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:58:41,183 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:58:41,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:58:41,737 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:58:41,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:58:41,894 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:58:41,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:41 WrapperNode [2019-10-03 02:58:41,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:58:41,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:58:41,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:58:41,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:58:41,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:41" (1/1) ... [2019-10-03 02:58:41,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:41" (1/1) ... [2019-10-03 02:58:41,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:41" (1/1) ... [2019-10-03 02:58:41,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:41" (1/1) ... [2019-10-03 02:58:41,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:41" (1/1) ... [2019-10-03 02:58:41,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:41" (1/1) ... [2019-10-03 02:58:41,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:41" (1/1) ... [2019-10-03 02:58:42,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:58:42,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:58:42,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:58:42,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:58:42,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:58:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:58:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:58:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:58:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:58:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:58:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:58:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:58:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:58:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:58:42,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:58:42,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-03 02:58:42,077 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-03 02:58:42,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:58:42,078 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-03 02:58:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:58:42,080 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:58:42,080 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:58:42,080 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:58:42,080 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:58:42,080 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-03 02:58:42,081 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-03 02:58:42,082 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-03 02:58:42,082 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-03 02:58:42,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-03 02:58:42,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-03 02:58:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-03 02:58:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-03 02:58:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:58:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-03 02:58:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-03 02:58:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-03 02:58:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-03 02:58:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-03 02:58:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-03 02:58:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-03 02:58:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-03 02:58:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-03 02:58:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:58:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:58:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:58:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:58:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:58:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:58:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:58:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:58:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:58:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:58:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:58:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:58:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:58:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:58:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:58:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:58:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:58:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:58:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:58:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:58:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:58:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-03 02:58:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-03 02:58:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-03 02:58:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-03 02:58:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-03 02:58:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-03 02:58:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:58:42,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-03 02:58:42,093 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:58:42,093 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-03 02:58:42,093 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:58:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:58:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:58:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:58:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:58:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-03 02:58:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-03 02:58:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-03 02:58:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-03 02:58:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-03 02:58:42,096 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-03 02:58:42,096 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-03 02:58:42,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-03 02:58:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-03 02:58:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-03 02:58:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-03 02:58:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-03 02:58:42,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:58:42,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:58:42,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:58:43,178 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:58:43,179 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-03 02:58:43,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:58:43 BoogieIcfgContainer [2019-10-03 02:58:43,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:58:43,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:58:43,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:58:43,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:58:43,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:58:41" (1/3) ... [2019-10-03 02:58:43,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af37b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:58:43, skipping insertion in model container [2019-10-03 02:58:43,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:41" (2/3) ... [2019-10-03 02:58:43,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af37b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:58:43, skipping insertion in model container [2019-10-03 02:58:43,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:58:43" (3/3) ... [2019-10-03 02:58:43,193 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2019-10-03 02:58:43,203 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:58:43,216 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:58:43,233 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:58:43,259 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:58:43,259 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:58:43,259 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:58:43,259 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:58:43,260 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:58:43,260 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:58:43,260 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:58:43,260 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:58:43,302 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2019-10-03 02:58:43,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-03 02:58:43,316 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:43,317 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:43,320 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:43,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:43,326 INFO L82 PathProgramCache]: Analyzing trace with hash -471941416, now seen corresponding path program 1 times [2019-10-03 02:58:43,329 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:43,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:43,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:43,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:43,391 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-03 02:58:43,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:43,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:58:43,764 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:43,770 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:58:43,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:58:43,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:43,789 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2019-10-03 02:58:43,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:43,828 INFO L93 Difference]: Finished difference Result 111 states and 128 transitions. [2019-10-03 02:58:43,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:58:43,830 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-03 02:58:43,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:43,843 INFO L225 Difference]: With dead ends: 111 [2019-10-03 02:58:43,843 INFO L226 Difference]: Without dead ends: 100 [2019-10-03 02:58:43,845 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:43,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-10-03 02:58:43,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-10-03 02:58:43,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-10-03 02:58:43,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2019-10-03 02:58:43,891 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 59 [2019-10-03 02:58:43,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:43,891 INFO L475 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2019-10-03 02:58:43,892 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:58:43,892 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2019-10-03 02:58:43,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-03 02:58:43,895 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:43,895 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:43,896 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:43,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:43,896 INFO L82 PathProgramCache]: Analyzing trace with hash -556466294, now seen corresponding path program 1 times [2019-10-03 02:58:43,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:43,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:43,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:43,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:43,900 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:44,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-03 02:58:44,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:44,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:58:44,034 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:44,037 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:58:44,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:58:44,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:58:44,038 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 3 states. [2019-10-03 02:58:44,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:44,059 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2019-10-03 02:58:44,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:58:44,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-03 02:58:44,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:44,062 INFO L225 Difference]: With dead ends: 91 [2019-10-03 02:58:44,062 INFO L226 Difference]: Without dead ends: 91 [2019-10-03 02:58:44,063 INFO L640 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 [2019-10-03 02:58:44,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-10-03 02:58:44,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2019-10-03 02:58:44,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-10-03 02:58:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 104 transitions. [2019-10-03 02:58:44,074 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 104 transitions. Word has length 60 [2019-10-03 02:58:44,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:44,075 INFO L475 AbstractCegarLoop]: Abstraction has 91 states and 104 transitions. [2019-10-03 02:58:44,075 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:58:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2019-10-03 02:58:44,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-03 02:58:44,078 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:44,078 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:44,078 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:44,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:44,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1643529997, now seen corresponding path program 1 times [2019-10-03 02:58:44,079 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:44,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:44,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:44,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:44,082 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:44,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-03 02:58:44,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:44,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:58:44,253 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:44,254 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:58:44,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:58:44,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:58:44,255 INFO L87 Difference]: Start difference. First operand 91 states and 104 transitions. Second operand 7 states. [2019-10-03 02:58:44,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:44,703 INFO L93 Difference]: Finished difference Result 210 states and 250 transitions. [2019-10-03 02:58:44,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:58:44,703 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-03 02:58:44,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:44,709 INFO L225 Difference]: With dead ends: 210 [2019-10-03 02:58:44,709 INFO L226 Difference]: Without dead ends: 210 [2019-10-03 02:58:44,710 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-03 02:58:44,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2019-10-03 02:58:44,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 190. [2019-10-03 02:58:44,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-10-03 02:58:44,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 228 transitions. [2019-10-03 02:58:44,735 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 228 transitions. Word has length 64 [2019-10-03 02:58:44,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:44,736 INFO L475 AbstractCegarLoop]: Abstraction has 190 states and 228 transitions. [2019-10-03 02:58:44,736 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:58:44,736 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 228 transitions. [2019-10-03 02:58:44,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-03 02:58:44,738 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:44,739 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:44,739 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:44,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:44,739 INFO L82 PathProgramCache]: Analyzing trace with hash 2060052563, now seen corresponding path program 1 times [2019-10-03 02:58:44,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:44,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:44,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:44,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:44,743 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:44,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-03 02:58:44,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:44,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:58:44,940 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:44,941 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:58:44,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:58:44,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:58:44,942 INFO L87 Difference]: Start difference. First operand 190 states and 228 transitions. Second operand 6 states. [2019-10-03 02:58:45,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:45,123 INFO L93 Difference]: Finished difference Result 174 states and 200 transitions. [2019-10-03 02:58:45,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:58:45,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-10-03 02:58:45,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:45,125 INFO L225 Difference]: With dead ends: 174 [2019-10-03 02:58:45,125 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:58:45,125 INFO L640 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 [2019-10-03 02:58:45,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:58:45,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:58:45,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:58:45,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:58:45,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2019-10-03 02:58:45,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:45,127 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:58:45,127 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:58:45,127 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:58:45,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:58:45,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:58:45 BoogieIcfgContainer [2019-10-03 02:58:45,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:58:45,149 INFO L168 Benchmark]: Toolchain (without parser) took 4030.93 ms. Allocated memory was 137.4 MB in the beginning and 274.2 MB in the end (delta: 136.8 MB). Free memory was 84.0 MB in the beginning and 218.6 MB in the end (delta: -134.6 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:45,152 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:58:45,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.29 ms. Allocated memory was 137.4 MB in the beginning and 197.7 MB in the end (delta: 60.3 MB). Free memory was 83.8 MB in the beginning and 164.3 MB in the end (delta: -80.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:45,155 INFO L168 Benchmark]: Boogie Preprocessor took 106.96 ms. Allocated memory is still 197.7 MB. Free memory was 164.3 MB in the beginning and 160.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:45,156 INFO L168 Benchmark]: RCFGBuilder took 1178.49 ms. Allocated memory is still 197.7 MB. Free memory was 160.4 MB in the beginning and 76.1 MB in the end (delta: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:45,159 INFO L168 Benchmark]: TraceAbstraction took 1958.68 ms. Allocated memory was 197.7 MB in the beginning and 274.2 MB in the end (delta: 76.5 MB). Free memory was 76.1 MB in the beginning and 218.6 MB in the end (delta: -142.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:58:45,163 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.29 ms. Allocated memory was 137.4 MB in the beginning and 197.7 MB in the end (delta: 60.3 MB). Free memory was 83.8 MB in the beginning and 164.3 MB in the end (delta: -80.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.96 ms. Allocated memory is still 197.7 MB. Free memory was 164.3 MB in the beginning and 160.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1178.49 ms. Allocated memory is still 197.7 MB. Free memory was 160.4 MB in the beginning and 76.1 MB in the end (delta: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1958.68 ms. Allocated memory was 197.7 MB in the beginning and 274.2 MB in the end (delta: 76.5 MB). Free memory was 76.1 MB in the beginning and 218.6 MB in the end (delta: -142.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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 37 procedures, 210 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 447 SDtfs, 217 SDslu, 772 SDs, 0 SdLazy, 205 SolverSat, 13 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=190occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 24889 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...