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_spec2_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:48:21,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:48:21,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:48:21,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:48:21,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:48:21,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:48:21,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:48:21,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:48:21,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:48:21,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:48:21,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:48:21,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:48:21,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:48:21,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:48:21,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:48:21,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:48:21,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:48:21,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:48:21,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:48:21,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:48:21,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:48:21,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:48:21,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:48:21,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:48:21,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:48:21,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:48:21,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:48:21,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:48:21,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:48:21,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:48:21,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:48:21,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:48:21,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:48:21,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:48:21,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:48:21,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:48:21,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:48:21,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:48:21,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:48:21,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:48:21,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:48:21,227 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 [2019-09-10 02:48:21,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:48:21,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:48:21,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:48:21,242 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:48:21,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:48:21,244 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:48:21,244 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:48:21,244 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:48:21,244 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:48:21,244 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:48:21,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:48:21,245 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:48:21,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:48:21,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:48:21,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:48:21,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:48:21,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:48:21,247 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:48:21,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:48:21,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:48:21,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:48:21,247 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:48:21,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:48:21,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:48:21,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:48:21,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:48:21,248 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:48:21,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:48:21,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:48:21,249 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:48:21,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:48:21,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:48:21,296 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:48:21,297 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:48:21,297 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:48:21,300 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-09-10 02:48:21,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40901774c/762e8a2856f64c39875876d52fcecc02/FLAG7e0eaba32 [2019-09-10 02:48:21,955 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:48:21,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-09-10 02:48:21,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40901774c/762e8a2856f64c39875876d52fcecc02/FLAG7e0eaba32 [2019-09-10 02:48:22,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40901774c/762e8a2856f64c39875876d52fcecc02 [2019-09-10 02:48:22,162 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:48:22,163 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:48:22,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:48:22,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:48:22,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:48:22,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:48:22" (1/1) ... [2019-09-10 02:48:22,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7904412f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:48:22, skipping insertion in model container [2019-09-10 02:48:22,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:48:22" (1/1) ... [2019-09-10 02:48:22,180 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:48:22,223 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:48:22,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:48:22,615 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:48:22,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:48:22,777 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:48:22,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:48:22 WrapperNode [2019-09-10 02:48:22,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:48:22,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:48:22,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:48:22,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:48:22,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:48:22" (1/1) ... [2019-09-10 02:48:22,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:48:22" (1/1) ... [2019-09-10 02:48:22,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:48:22" (1/1) ... [2019-09-10 02:48:22,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:48:22" (1/1) ... [2019-09-10 02:48:22,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:48:22" (1/1) ... [2019-09-10 02:48:22,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:48:22" (1/1) ... [2019-09-10 02:48:22,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:48:22" (1/1) ... [2019-09-10 02:48:22,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:48:22,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:48:22,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:48:22,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:48:22,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:48:22" (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 [2019-09-10 02:48:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:48:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:48:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:48:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:48:22,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:48:22,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:48:22,940 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:48:22,940 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:48:22,940 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:48:22,940 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:48:22,940 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:48:22,941 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:48:22,941 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:48:22,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:48:22,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:48:22,943 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:48:22,943 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-10 02:48:22,943 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:48:22,943 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:48:22,944 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:48:22,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:48:22,944 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:48:22,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:48:22,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-10 02:48:22,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-10 02:48:22,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:48:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:48:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:48:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:48:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:48:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:48:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:48:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:48:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:48:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:48:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:48:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:48:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:48:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:48:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:48:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:48:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:48:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:48:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:48:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:48:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:48:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-10 02:48:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:48:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:48:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:48:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:48:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:48:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:48:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:48:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:48:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:48:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:48:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-10 02:48:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:48:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:48:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:48:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:48:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:48:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:48:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-10 02:48:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:48:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:48:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:48:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:48:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:48:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:48:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:48:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:48:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:48:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:48:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:48:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:48:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:48:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:48:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:48:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:48:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:48:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:48:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:48:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:48:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:48:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:48:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:48:24,081 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:48:24,082 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:48:24,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:48:24 BoogieIcfgContainer [2019-09-10 02:48:24,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:48:24,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:48:24,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:48:24,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:48:24,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:48:22" (1/3) ... [2019-09-10 02:48:24,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecb24b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:48:24, skipping insertion in model container [2019-09-10 02:48:24,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:48:22" (2/3) ... [2019-09-10 02:48:24,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecb24b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:48:24, skipping insertion in model container [2019-09-10 02:48:24,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:48:24" (3/3) ... [2019-09-10 02:48:24,092 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product06.cil.c [2019-09-10 02:48:24,103 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:48:24,112 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:48:24,129 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:48:24,159 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:48:24,159 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:48:24,159 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:48:24,159 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:48:24,160 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:48:24,160 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:48:24,160 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:48:24,160 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:48:24,184 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2019-09-10 02:48:24,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-10 02:48:24,205 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:48:24,207 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:48:24,211 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:48:24,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:48:24,218 INFO L82 PathProgramCache]: Analyzing trace with hash -790254398, now seen corresponding path program 1 times [2019-09-10 02:48:24,221 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:48:24,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:48:24,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:48:24,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:48:24,276 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:48:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:48:24,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:48:24,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:48:24,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:48:24,576 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:48:24,582 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:48:24,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:48:24,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:48:24,602 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2019-09-10 02:48:24,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:48:24,629 INFO L93 Difference]: Finished difference Result 119 states and 138 transitions. [2019-09-10 02:48:24,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:48:24,631 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-10 02:48:24,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:48:24,644 INFO L225 Difference]: With dead ends: 119 [2019-09-10 02:48:24,644 INFO L226 Difference]: Without dead ends: 108 [2019-09-10 02:48:24,646 INFO L628 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 [2019-09-10 02:48:24,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-09-10 02:48:24,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-09-10 02:48:24,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-09-10 02:48:24,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2019-09-10 02:48:24,701 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 51 [2019-09-10 02:48:24,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:48:24,701 INFO L475 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2019-09-10 02:48:24,702 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:48:24,702 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2019-09-10 02:48:24,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 02:48:24,705 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:48:24,706 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:48:24,706 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:48:24,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:48:24,706 INFO L82 PathProgramCache]: Analyzing trace with hash 449036907, now seen corresponding path program 1 times [2019-09-10 02:48:24,707 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:48:24,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:48:24,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:48:24,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:48:24,708 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:48:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:48:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:48:24,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:48:24,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:48:24,827 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:48:24,830 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:48:24,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:48:24,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:48:24,831 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 3 states. [2019-09-10 02:48:24,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:48:24,847 INFO L93 Difference]: Finished difference Result 99 states and 114 transitions. [2019-09-10 02:48:24,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:48:24,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-10 02:48:24,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:48:24,851 INFO L225 Difference]: With dead ends: 99 [2019-09-10 02:48:24,852 INFO L226 Difference]: Without dead ends: 99 [2019-09-10 02:48:24,852 INFO L628 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 [2019-09-10 02:48:24,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-09-10 02:48:24,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-09-10 02:48:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-09-10 02:48:24,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2019-09-10 02:48:24,867 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 52 [2019-09-10 02:48:24,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:48:24,869 INFO L475 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2019-09-10 02:48:24,870 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:48:24,870 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2019-09-10 02:48:24,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-10 02:48:24,872 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:48:24,872 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:48:24,874 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:48:24,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:48:24,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1483063984, now seen corresponding path program 1 times [2019-09-10 02:48:24,875 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:48:24,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:48:24,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:48:24,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:48:24,876 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:48:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:48:25,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:48:25,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:48:25,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:48:25,011 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:48:25,011 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:48:25,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:48:25,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:48:25,012 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 7 states. [2019-09-10 02:48:25,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:48:25,378 INFO L93 Difference]: Finished difference Result 99 states and 113 transitions. [2019-09-10 02:48:25,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:48:25,379 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-10 02:48:25,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:48:25,381 INFO L225 Difference]: With dead ends: 99 [2019-09-10 02:48:25,381 INFO L226 Difference]: Without dead ends: 99 [2019-09-10 02:48:25,382 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:48:25,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-09-10 02:48:25,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-09-10 02:48:25,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-09-10 02:48:25,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2019-09-10 02:48:25,396 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 57 [2019-09-10 02:48:25,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:48:25,397 INFO L475 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2019-09-10 02:48:25,397 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:48:25,397 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2019-09-10 02:48:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-10 02:48:25,401 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:48:25,402 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:48:25,402 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:48:25,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:48:25,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1934591269, now seen corresponding path program 1 times [2019-09-10 02:48:25,403 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:48:25,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:48:25,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:48:25,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:48:25,408 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:48:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:48:25,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:48:25,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:48:25,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:48:25,605 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:48:25,606 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:48:25,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:48:25,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:48:25,607 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 6 states. [2019-09-10 02:48:25,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:48:25,867 INFO L93 Difference]: Finished difference Result 162 states and 188 transitions. [2019-09-10 02:48:25,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:48:25,868 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-09-10 02:48:25,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:48:25,874 INFO L225 Difference]: With dead ends: 162 [2019-09-10 02:48:25,874 INFO L226 Difference]: Without dead ends: 162 [2019-09-10 02:48:25,875 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:48:25,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2019-09-10 02:48:25,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 160. [2019-09-10 02:48:25,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-09-10 02:48:25,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 186 transitions. [2019-09-10 02:48:25,914 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 186 transitions. Word has length 65 [2019-09-10 02:48:25,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:48:25,915 INFO L475 AbstractCegarLoop]: Abstraction has 160 states and 186 transitions. [2019-09-10 02:48:25,915 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:48:25,915 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 186 transitions. [2019-09-10 02:48:25,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-10 02:48:25,921 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:48:25,921 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:48:25,921 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:48:25,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:48:25,922 INFO L82 PathProgramCache]: Analyzing trace with hash 419141833, now seen corresponding path program 1 times [2019-09-10 02:48:25,922 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:48:25,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:48:25,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:48:25,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:48:25,926 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:48:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:48:26,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:48:26,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:48:26,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:48:26,063 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:48:26,064 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:48:26,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:48:26,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:48:26,065 INFO L87 Difference]: Start difference. First operand 160 states and 186 transitions. Second operand 7 states. [2019-09-10 02:48:26,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:48:26,426 INFO L93 Difference]: Finished difference Result 124 states and 137 transitions. [2019-09-10 02:48:26,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:48:26,427 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2019-09-10 02:48:26,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:48:26,428 INFO L225 Difference]: With dead ends: 124 [2019-09-10 02:48:26,428 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:48:26,428 INFO L628 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 [2019-09-10 02:48:26,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:48:26,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:48:26,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:48:26,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:48:26,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2019-09-10 02:48:26,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:48:26,430 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:48:26,430 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:48:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:48:26,430 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:48:26,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:48:26 BoogieIcfgContainer [2019-09-10 02:48:26,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:48:26,439 INFO L168 Benchmark]: Toolchain (without parser) took 4274.34 ms. Allocated memory was 134.2 MB in the beginning and 257.4 MB in the end (delta: 123.2 MB). Free memory was 90.2 MB in the beginning and 151.9 MB in the end (delta: -61.8 MB). Peak memory consumption was 61.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:48:26,440 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:48:26,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.27 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.9 MB in the beginning and 166.4 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:48:26,442 INFO L168 Benchmark]: Boogie Preprocessor took 93.08 ms. Allocated memory is still 200.3 MB. Free memory was 166.4 MB in the beginning and 161.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:48:26,443 INFO L168 Benchmark]: RCFGBuilder took 1211.28 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 161.7 MB in the beginning and 198.5 MB in the end (delta: -36.8 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:48:26,444 INFO L168 Benchmark]: TraceAbstraction took 2351.62 ms. Allocated memory was 227.5 MB in the beginning and 257.4 MB in the end (delta: 29.9 MB). Free memory was 198.5 MB in the beginning and 151.9 MB in the end (delta: 46.6 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:48:26,448 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 614.27 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.9 MB in the beginning and 166.4 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.08 ms. Allocated memory is still 200.3 MB. Free memory was 166.4 MB in the beginning and 161.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1211.28 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 161.7 MB in the beginning and 198.5 MB in the end (delta: -36.8 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2351.62 ms. Allocated memory was 227.5 MB in the beginning and 257.4 MB in the end (delta: 29.9 MB). Free memory was 198.5 MB in the beginning and 151.9 MB in the end (delta: 46.6 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 790]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 213 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 550 SDtfs, 261 SDslu, 845 SDs, 0 SdLazy, 337 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=4, 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 31449 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...