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_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:09:29,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:09:29,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:09:29,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:09:29,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:09:29,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:09:29,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:09:29,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:09:29,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:09:29,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:09:29,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:09:29,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:09:29,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:09:29,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:09:29,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:09:29,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:09:29,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:09:29,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:09:29,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:09:29,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:09:29,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:09:29,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:09:29,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:09:29,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:09:29,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:09:29,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:09:29,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:09:29,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:09:29,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:09:29,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:09:29,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:09:29,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:09:29,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:09:29,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:09:29,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:09:29,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:09:29,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:09:29,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:09:29,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:09:29,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:09:29,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:09:29,077 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 [2019-09-16 17:09:29,098 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:09:29,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:09:29,100 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:09:29,100 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:09:29,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:09:29,101 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:09:29,101 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:09:29,101 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:09:29,101 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:09:29,102 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:09:29,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:09:29,104 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:09:29,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:09:29,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:09:29,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:09:29,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:09:29,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:09:29,105 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:09:29,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:09:29,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:09:29,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:09:29,107 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:09:29,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:09:29,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:09:29,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:09:29,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:09:29,108 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:09:29,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:09:29,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:09:29,108 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:09:29,142 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:09:29,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:09:29,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:09:29,159 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:09:29,160 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:09:29,161 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product19.cil.c [2019-09-16 17:09:29,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d2892673/070802f7d9ee445a9d91549bcda01195/FLAGd9818e6dc [2019-09-16 17:09:29,716 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:09:29,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product19.cil.c [2019-09-16 17:09:29,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d2892673/070802f7d9ee445a9d91549bcda01195/FLAGd9818e6dc [2019-09-16 17:09:30,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d2892673/070802f7d9ee445a9d91549bcda01195 [2019-09-16 17:09:30,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:09:30,024 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:09:30,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:09:30,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:09:30,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:09:30,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:09:30" (1/1) ... [2019-09-16 17:09:30,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3775cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:30, skipping insertion in model container [2019-09-16 17:09:30,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:09:30" (1/1) ... [2019-09-16 17:09:30,042 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:09:30,102 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:09:30,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:09:30,606 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:09:30,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:09:30,755 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:09:30,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:30 WrapperNode [2019-09-16 17:09:30,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:09:30,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:09:30,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:09:30,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:09:30,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:30" (1/1) ... [2019-09-16 17:09:30,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:30" (1/1) ... [2019-09-16 17:09:30,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:30" (1/1) ... [2019-09-16 17:09:30,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:30" (1/1) ... [2019-09-16 17:09:30,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:30" (1/1) ... [2019-09-16 17:09:30,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:30" (1/1) ... [2019-09-16 17:09:30,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:30" (1/1) ... [2019-09-16 17:09:30,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:09:30,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:09:30,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:09:30,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:09:30,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:30" (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 [2019-09-16 17:09:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:09:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:09:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 17:09:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 17:09:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 17:09:30,934 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 17:09:30,934 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 17:09:30,934 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 17:09:30,934 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 17:09:30,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 17:09:30,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 17:09:30,935 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 17:09:30,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 17:09:30,935 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-16 17:09:30,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 17:09:30,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 17:09:30,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 17:09:30,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 17:09:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 17:09:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 17:09:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 17:09:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 17:09:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 17:09:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 17:09:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 17:09:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 17:09:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 17:09:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 17:09:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 17:09:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 17:09:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 17:09:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 17:09:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-16 17:09:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-16 17:09:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-16 17:09:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 17:09:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 17:09:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 17:09:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 17:09:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:09:30,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:09:30,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:09:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 17:09:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 17:09:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 17:09:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-16 17:09:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 17:09:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 17:09:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 17:09:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 17:09:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 17:09:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 17:09:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 17:09:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 17:09:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 17:09:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 17:09:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 17:09:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-16 17:09:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-16 17:09:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 17:09:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 17:09:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 17:09:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 17:09:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:09:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 17:09:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 17:09:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:09:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:09:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 17:09:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:09:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:09:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:09:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:09:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 17:09:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:09:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 17:09:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 17:09:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:09:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 17:09:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 17:09:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 17:09:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 17:09:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 17:09:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 17:09:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 17:09:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 17:09:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-16 17:09:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 17:09:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 17:09:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 17:09:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:09:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:09:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:09:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:09:31,884 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:09:31,884 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 17:09:31,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:09:31 BoogieIcfgContainer [2019-09-16 17:09:31,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:09:31,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:09:31,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:09:31,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:09:31,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:09:30" (1/3) ... [2019-09-16 17:09:31,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c116397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:09:31, skipping insertion in model container [2019-09-16 17:09:31,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:30" (2/3) ... [2019-09-16 17:09:31,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c116397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:09:31, skipping insertion in model container [2019-09-16 17:09:31,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:09:31" (3/3) ... [2019-09-16 17:09:31,895 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2019-09-16 17:09:31,906 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:09:31,915 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:09:31,933 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:09:31,961 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:09:31,961 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:09:31,962 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:09:31,962 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:09:31,962 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:09:31,962 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:09:31,963 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:09:31,963 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:09:31,986 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2019-09-16 17:09:32,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-16 17:09:32,000 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:09:32,001 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] [2019-09-16 17:09:32,004 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:09:32,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:09:32,011 INFO L82 PathProgramCache]: Analyzing trace with hash -578031485, now seen corresponding path program 1 times [2019-09-16 17:09:32,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:09:32,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:32,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:09:32,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:32,077 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:09:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:09:32,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 17:09:32,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:09:32,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 17:09:32,413 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:09:32,419 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:09:32,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:09:32,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:09:32,434 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2019-09-16 17:09:32,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:09:32,462 INFO L93 Difference]: Finished difference Result 131 states and 153 transitions. [2019-09-16 17:09:32,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:09:32,463 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-16 17:09:32,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:09:32,477 INFO L225 Difference]: With dead ends: 131 [2019-09-16 17:09:32,478 INFO L226 Difference]: Without dead ends: 120 [2019-09-16 17:09:32,480 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 [2019-09-16 17:09:32,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-09-16 17:09:32,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-09-16 17:09:32,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-09-16 17:09:32,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2019-09-16 17:09:32,529 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 59 [2019-09-16 17:09:32,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:09:32,529 INFO L475 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2019-09-16 17:09:32,529 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:09:32,530 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2019-09-16 17:09:32,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-16 17:09:32,533 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:09:32,534 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:09:32,534 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:09:32,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:09:32,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1225445288, now seen corresponding path program 1 times [2019-09-16 17:09:32,535 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:09:32,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:32,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:09:32,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:32,538 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:09:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:09:32,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 17:09:32,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:09:32,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:09:32,700 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:09:32,701 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:09:32,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:09:32,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:09:32,702 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 7 states. [2019-09-16 17:09:33,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:09:33,262 INFO L93 Difference]: Finished difference Result 277 states and 338 transitions. [2019-09-16 17:09:33,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 17:09:33,263 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-09-16 17:09:33,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:09:33,270 INFO L225 Difference]: With dead ends: 277 [2019-09-16 17:09:33,270 INFO L226 Difference]: Without dead ends: 277 [2019-09-16 17:09:33,271 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 [2019-09-16 17:09:33,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2019-09-16 17:09:33,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 269. [2019-09-16 17:09:33,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-09-16 17:09:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 332 transitions. [2019-09-16 17:09:33,312 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 332 transitions. Word has length 64 [2019-09-16 17:09:33,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:09:33,313 INFO L475 AbstractCegarLoop]: Abstraction has 269 states and 332 transitions. [2019-09-16 17:09:33,313 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:09:33,313 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 332 transitions. [2019-09-16 17:09:33,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-16 17:09:33,317 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:09:33,318 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] [2019-09-16 17:09:33,318 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:09:33,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:09:33,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1868752230, now seen corresponding path program 1 times [2019-09-16 17:09:33,320 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:09:33,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:33,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:09:33,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:33,324 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:09:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:09:33,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 17:09:33,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:09:33,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:09:33,533 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:09:33,534 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:09:33,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:09:33,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:09:33,535 INFO L87 Difference]: Start difference. First operand 269 states and 332 transitions. Second operand 3 states. [2019-09-16 17:09:33,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:09:33,544 INFO L93 Difference]: Finished difference Result 242 states and 294 transitions. [2019-09-16 17:09:33,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:09:33,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-09-16 17:09:33,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:09:33,548 INFO L225 Difference]: With dead ends: 242 [2019-09-16 17:09:33,548 INFO L226 Difference]: Without dead ends: 242 [2019-09-16 17:09:33,548 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 [2019-09-16 17:09:33,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-09-16 17:09:33,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2019-09-16 17:09:33,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-09-16 17:09:33,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 294 transitions. [2019-09-16 17:09:33,584 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 294 transitions. Word has length 68 [2019-09-16 17:09:33,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:09:33,584 INFO L475 AbstractCegarLoop]: Abstraction has 242 states and 294 transitions. [2019-09-16 17:09:33,584 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:09:33,584 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 294 transitions. [2019-09-16 17:09:33,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-16 17:09:33,590 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:09:33,590 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:09:33,590 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:09:33,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:09:33,591 INFO L82 PathProgramCache]: Analyzing trace with hash -460747992, now seen corresponding path program 1 times [2019-09-16 17:09:33,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:09:33,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:33,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:09:33,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:33,594 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:09:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:09:33,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-16 17:09:33,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:09:33,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:09:33,704 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:09:33,705 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:09:33,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:09:33,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:09:33,705 INFO L87 Difference]: Start difference. First operand 242 states and 294 transitions. Second operand 7 states. [2019-09-16 17:09:34,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:09:34,138 INFO L93 Difference]: Finished difference Result 188 states and 216 transitions. [2019-09-16 17:09:34,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:09:34,140 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-09-16 17:09:34,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:09:34,141 INFO L225 Difference]: With dead ends: 188 [2019-09-16 17:09:34,141 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:09:34,142 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-09-16 17:09:34,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:09:34,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:09:34,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:09:34,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:09:34,144 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2019-09-16 17:09:34,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:09:34,144 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:09:34,144 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:09:34,144 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:09:34,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:09:34,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:09:34 BoogieIcfgContainer [2019-09-16 17:09:34,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:09:34,156 INFO L168 Benchmark]: Toolchain (without parser) took 4130.33 ms. Allocated memory was 143.7 MB in the beginning and 251.7 MB in the end (delta: 108.0 MB). Free memory was 90.3 MB in the beginning and 139.7 MB in the end (delta: -49.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:09:34,163 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 143.7 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:09:34,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.63 ms. Allocated memory was 143.7 MB in the beginning and 199.8 MB in the end (delta: 56.1 MB). Free memory was 90.0 MB in the beginning and 165.3 MB in the end (delta: -75.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:09:34,166 INFO L168 Benchmark]: Boogie Preprocessor took 116.41 ms. Allocated memory is still 199.8 MB. Free memory was 165.3 MB in the beginning and 160.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:09:34,168 INFO L168 Benchmark]: RCFGBuilder took 1012.11 ms. Allocated memory was 199.8 MB in the beginning and 232.3 MB in the end (delta: 32.5 MB). Free memory was 160.8 MB in the beginning and 193.2 MB in the end (delta: -32.4 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:09:34,170 INFO L168 Benchmark]: TraceAbstraction took 2265.92 ms. Allocated memory was 232.3 MB in the beginning and 251.7 MB in the end (delta: 19.4 MB). Free memory was 193.2 MB in the beginning and 139.7 MB in the end (delta: 53.5 MB). Peak memory consumption was 72.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:09:34,177 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 143.7 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.63 ms. Allocated memory was 143.7 MB in the beginning and 199.8 MB in the end (delta: 56.1 MB). Free memory was 90.0 MB in the beginning and 165.3 MB in the end (delta: -75.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.41 ms. Allocated memory is still 199.8 MB. Free memory was 165.3 MB in the beginning and 160.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1012.11 ms. Allocated memory was 199.8 MB in the beginning and 232.3 MB in the end (delta: 32.5 MB). Free memory was 160.8 MB in the beginning and 193.2 MB in the end (delta: -32.4 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2265.92 ms. Allocated memory was 232.3 MB in the beginning and 251.7 MB in the end (delta: 19.4 MB). Free memory was 193.2 MB in the beginning and 139.7 MB in the end (delta: 53.5 MB). Peak memory consumption was 72.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 296]: 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 40 procedures, 230 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 532 SDtfs, 327 SDslu, 843 SDs, 0 SdLazy, 400 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=269occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 27246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...