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_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:58:42,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:58:42,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:58:42,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:58:42,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:58:42,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:58:42,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:58:42,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:58:42,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:58:42,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:58:42,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:58:42,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:58:42,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:58:42,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:58:42,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:58:42,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:58:42,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:58:42,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:58:42,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:58:42,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:58:42,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:58:42,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:58:42,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:58:42,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:58:42,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:58:42,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:58:42,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:58:42,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:58:42,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:58:42,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:58:42,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:58:42,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:58:42,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:58:42,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:58:42,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:58:42,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:58:42,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:58:42,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:58:42,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:58:42,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:58:42,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:58:42,197 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 02:58:42,212 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:58:42,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:58:42,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:58:42,212 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:58:42,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:58:42,213 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:58:42,213 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:58:42,214 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:58:42,214 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:58:42,214 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:58:42,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:58:42,215 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:58:42,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:58:42,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:58:42,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:58:42,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:58:42,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:58:42,217 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:58:42,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:58:42,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:58:42,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:58:42,218 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:58:42,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:58:42,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:58:42,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:58:42,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:58:42,220 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:58:42,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:58:42,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:58:42,220 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:58:42,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:58:42,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:58:42,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:58:42,279 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:58:42,280 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:58:42,280 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product07.cil.c [2019-10-03 02:58:42,339 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d65d188a/6fb0efcccd6443cf97490f41afd8ed6c/FLAG454100ef8 [2019-10-03 02:58:42,878 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:58:42,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product07.cil.c [2019-10-03 02:58:42,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d65d188a/6fb0efcccd6443cf97490f41afd8ed6c/FLAG454100ef8 [2019-10-03 02:58:43,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d65d188a/6fb0efcccd6443cf97490f41afd8ed6c [2019-10-03 02:58:43,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:58:43,197 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:58:43,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:58:43,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:58:43,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:58:43,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:58:43" (1/1) ... [2019-10-03 02:58:43,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef0aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:43, skipping insertion in model container [2019-10-03 02:58:43,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:58:43" (1/1) ... [2019-10-03 02:58:43,214 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:58:43,281 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:58:43,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:58:43,736 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:58:43,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:58:43,846 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:58:43,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:43 WrapperNode [2019-10-03 02:58:43,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:58:43,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:58:43,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:58:43,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:58:43,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:43" (1/1) ... [2019-10-03 02:58:43,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:43" (1/1) ... [2019-10-03 02:58:43,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:43" (1/1) ... [2019-10-03 02:58:43,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:43" (1/1) ... [2019-10-03 02:58:43,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:43" (1/1) ... [2019-10-03 02:58:43,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:43" (1/1) ... [2019-10-03 02:58:43,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:43" (1/1) ... [2019-10-03 02:58:43,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:58:43,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:58:43,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:58:43,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:58:43,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:43" (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 02:58:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:58:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:58:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:58:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-03 02:58:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-03 02:58:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:58:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-03 02:58:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:58:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-03 02:58:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-03 02:58:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-03 02:58:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-03 02:58:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-03 02:58:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-03 02:58:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-03 02:58:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-03 02:58:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-03 02:58:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:58:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-03 02:58:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-03 02:58:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-03 02:58:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-03 02:58:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-03 02:58:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-03 02:58:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-03 02:58:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-03 02:58:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-03 02:58:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:58:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:58:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:58:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:58:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:58:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:58:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:58:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:58:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:58:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:58:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:58:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:58:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:58:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:58:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-03 02:58:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-03 02:58:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-03 02:58:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-03 02:58:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-03 02:58:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-03 02:58:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:58:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-03 02:58:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:58:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-03 02:58:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:58:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:58:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:58:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:58:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-03 02:58:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-03 02:58:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-03 02:58:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-03 02:58:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:58:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:58:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-03 02:58:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-03 02:58:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-03 02:58:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-03 02:58:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-03 02:58:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-03 02:58:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-03 02:58:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-03 02:58:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-03 02:58:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:58:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:58:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:58:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:58:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:58:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:58:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:58:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:58:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:58:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:58:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:58:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:58:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:58:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:58:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:58:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:58:44,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:58:44,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:58:44,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:58:44,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:58:45,134 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:58:45,136 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-03 02:58:45,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:58:45 BoogieIcfgContainer [2019-10-03 02:58:45,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:58:45,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:58:45,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:58:45,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:58:45,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:58:43" (1/3) ... [2019-10-03 02:58:45,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd251c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:58:45, skipping insertion in model container [2019-10-03 02:58:45,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:43" (2/3) ... [2019-10-03 02:58:45,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd251c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:58:45, skipping insertion in model container [2019-10-03 02:58:45,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:58:45" (3/3) ... [2019-10-03 02:58:45,147 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product07.cil.c [2019-10-03 02:58:45,158 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:58:45,170 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:58:45,188 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:58:45,220 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:58:45,221 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:58:45,221 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:58:45,221 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:58:45,221 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:58:45,222 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:58:45,222 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:58:45,222 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:58:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2019-10-03 02:58:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-03 02:58:45,267 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:45,268 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 02:58:45,271 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:45,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:45,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1021809772, now seen corresponding path program 1 times [2019-10-03 02:58:45,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:45,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:45,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:45,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:45,339 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:45,680 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 02:58:45,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:45,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:58:45,683 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:45,690 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:58:45,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:58:45,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:45,708 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2019-10-03 02:58:45,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:45,737 INFO L93 Difference]: Finished difference Result 129 states and 150 transitions. [2019-10-03 02:58:45,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:58:45,739 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-03 02:58:45,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:45,750 INFO L225 Difference]: With dead ends: 129 [2019-10-03 02:58:45,750 INFO L226 Difference]: Without dead ends: 118 [2019-10-03 02:58:45,751 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 02:58:45,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-10-03 02:58:45,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-10-03 02:58:45,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-03 02:58:45,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 138 transitions. [2019-10-03 02:58:45,805 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 138 transitions. Word has length 59 [2019-10-03 02:58:45,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:45,806 INFO L475 AbstractCegarLoop]: Abstraction has 118 states and 138 transitions. [2019-10-03 02:58:45,806 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:58:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 138 transitions. [2019-10-03 02:58:45,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-03 02:58:45,810 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:45,810 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 02:58:45,811 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:45,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:45,811 INFO L82 PathProgramCache]: Analyzing trace with hash -703164534, now seen corresponding path program 1 times [2019-10-03 02:58:45,811 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:45,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:45,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:45,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:45,814 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:45,979 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 02:58:45,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:45,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:58:45,980 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:45,982 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:58:45,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:58:45,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:58:45,984 INFO L87 Difference]: Start difference. First operand 118 states and 138 transitions. Second operand 3 states. [2019-10-03 02:58:46,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:46,017 INFO L93 Difference]: Finished difference Result 109 states and 126 transitions. [2019-10-03 02:58:46,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:58:46,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-03 02:58:46,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:46,020 INFO L225 Difference]: With dead ends: 109 [2019-10-03 02:58:46,021 INFO L226 Difference]: Without dead ends: 109 [2019-10-03 02:58:46,022 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 02:58:46,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-10-03 02:58:46,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-10-03 02:58:46,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-10-03 02:58:46,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 126 transitions. [2019-10-03 02:58:46,034 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 126 transitions. Word has length 60 [2019-10-03 02:58:46,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:46,035 INFO L475 AbstractCegarLoop]: Abstraction has 109 states and 126 transitions. [2019-10-03 02:58:46,035 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:58:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2019-10-03 02:58:46,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-03 02:58:46,038 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:46,038 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 02:58:46,038 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:46,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:46,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1517301573, now seen corresponding path program 1 times [2019-10-03 02:58:46,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:46,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:46,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:46,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:46,043 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:46,293 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 02:58:46,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:46,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:58:46,294 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:46,295 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:58:46,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:58:46,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:58:46,296 INFO L87 Difference]: Start difference. First operand 109 states and 126 transitions. Second operand 7 states. [2019-10-03 02:58:46,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:46,856 INFO L93 Difference]: Finished difference Result 246 states and 294 transitions. [2019-10-03 02:58:46,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:58:46,856 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-03 02:58:46,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:46,861 INFO L225 Difference]: With dead ends: 246 [2019-10-03 02:58:46,861 INFO L226 Difference]: Without dead ends: 246 [2019-10-03 02:58:46,862 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 02:58:46,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2019-10-03 02:58:46,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 238. [2019-10-03 02:58:46,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-10-03 02:58:46,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 288 transitions. [2019-10-03 02:58:46,919 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 288 transitions. Word has length 64 [2019-10-03 02:58:46,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:46,920 INFO L475 AbstractCegarLoop]: Abstraction has 238 states and 288 transitions. [2019-10-03 02:58:46,920 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:58:46,920 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 288 transitions. [2019-10-03 02:58:46,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-03 02:58:46,923 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:46,928 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:46,929 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:46,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:46,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1323792008, now seen corresponding path program 1 times [2019-10-03 02:58:46,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:46,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:46,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:46,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:46,934 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:47,115 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 02:58:47,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:47,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:58:47,116 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:47,116 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:58:47,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:58:47,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:58:47,117 INFO L87 Difference]: Start difference. First operand 238 states and 288 transitions. Second operand 7 states. [2019-10-03 02:58:47,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:47,524 INFO L93 Difference]: Finished difference Result 188 states and 216 transitions. [2019-10-03 02:58:47,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:58:47,525 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-03 02:58:47,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:47,525 INFO L225 Difference]: With dead ends: 188 [2019-10-03 02:58:47,526 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:58:47,526 INFO L640 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 [2019-10-03 02:58:47,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:58:47,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:58:47,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:58:47,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:58:47,527 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2019-10-03 02:58:47,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:47,528 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:58:47,528 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:58:47,528 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:58:47,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:58:47,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:58:47 BoogieIcfgContainer [2019-10-03 02:58:47,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:58:47,539 INFO L168 Benchmark]: Toolchain (without parser) took 4340.63 ms. Allocated memory was 133.7 MB in the beginning and 258.5 MB in the end (delta: 124.8 MB). Free memory was 87.0 MB in the beginning and 159.5 MB in the end (delta: -72.5 MB). Peak memory consumption was 52.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:47,544 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-03 02:58:47,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.80 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 86.8 MB in the beginning and 166.6 MB in the end (delta: -79.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:47,548 INFO L168 Benchmark]: Boogie Preprocessor took 136.94 ms. Allocated memory is still 200.8 MB. Free memory was 166.0 MB in the beginning and 161.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:47,550 INFO L168 Benchmark]: RCFGBuilder took 1153.22 ms. Allocated memory was 200.8 MB in the beginning and 227.0 MB in the end (delta: 26.2 MB). Free memory was 161.4 MB in the beginning and 194.7 MB in the end (delta: -33.3 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:47,558 INFO L168 Benchmark]: TraceAbstraction took 2396.72 ms. Allocated memory was 227.0 MB in the beginning and 258.5 MB in the end (delta: 31.5 MB). Free memory was 194.7 MB in the beginning and 159.5 MB in the end (delta: 35.2 MB). Peak memory consumption was 66.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:47,565 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.80 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 86.8 MB in the beginning and 166.6 MB in the end (delta: -79.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.94 ms. Allocated memory is still 200.8 MB. Free memory was 166.0 MB in the beginning and 161.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1153.22 ms. Allocated memory was 200.8 MB in the beginning and 227.0 MB in the end (delta: 26.2 MB). Free memory was 161.4 MB in the beginning and 194.7 MB in the end (delta: -33.3 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2396.72 ms. Allocated memory was 227.0 MB in the beginning and 258.5 MB in the end (delta: 31.5 MB). Free memory was 194.7 MB in the beginning and 159.5 MB in the end (delta: 35.2 MB). Peak memory consumption was 66.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: 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 38 procedures, 220 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 516 SDtfs, 347 SDslu, 730 SDs, 0 SdLazy, 373 SolverSat, 110 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=238occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 26206 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...