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_spec1_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:07:40,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:07:40,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:07:40,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:07:40,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:07:40,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:07:40,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:07:40,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:07:40,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:07:40,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:07:40,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:07:40,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:07:40,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:07:40,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:07:40,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:07:40,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:07:40,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:07:40,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:07:40,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:07:40,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:07:40,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:07:40,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:07:40,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:07:40,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:07:40,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:07:40,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:07:40,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:07:40,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:07:40,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:07:40,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:07:40,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:07:40,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:07:40,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:07:40,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:07:40,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:07:40,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:07:40,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:07:40,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:07:40,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:07:40,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:07:40,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:07:40,336 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-16 17:07:40,350 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:07:40,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:07:40,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:07:40,351 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:07:40,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:07:40,352 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:07:40,352 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:07:40,352 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:07:40,353 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:07:40,353 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:07:40,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:07:40,354 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:07:40,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:07:40,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:07:40,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:07:40,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:07:40,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:07:40,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:07:40,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:07:40,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:07:40,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:07:40,356 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:07:40,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:07:40,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:07:40,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:07:40,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:07:40,357 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:07:40,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:07:40,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:07:40,357 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:07:40,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:07:40,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:07:40,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:07:40,407 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:07:40,407 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:07:40,408 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2019-09-16 17:07:40,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba960a17/a6c49ddff5ba443eb0786cf85738af29/FLAGe19ba1798 [2019-09-16 17:07:41,014 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:07:41,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2019-09-16 17:07:41,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba960a17/a6c49ddff5ba443eb0786cf85738af29/FLAGe19ba1798 [2019-09-16 17:07:41,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba960a17/a6c49ddff5ba443eb0786cf85738af29 [2019-09-16 17:07:41,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:07:41,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:07:41,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:07:41,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:07:41,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:07:41,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:07:41" (1/1) ... [2019-09-16 17:07:41,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614062fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:41, skipping insertion in model container [2019-09-16 17:07:41,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:07:41" (1/1) ... [2019-09-16 17:07:41,284 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:07:41,335 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:07:41,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:07:41,872 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:07:41,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:07:41,984 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:07:41,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:41 WrapperNode [2019-09-16 17:07:41,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:07:41,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:07:41,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:07:41,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:07:41,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:41" (1/1) ... [2019-09-16 17:07:42,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:41" (1/1) ... [2019-09-16 17:07:42,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:41" (1/1) ... [2019-09-16 17:07:42,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:41" (1/1) ... [2019-09-16 17:07:42,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:41" (1/1) ... [2019-09-16 17:07:42,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:41" (1/1) ... [2019-09-16 17:07:42,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:41" (1/1) ... [2019-09-16 17:07:42,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:07:42,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:07:42,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:07:42,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:07:42,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:07:42,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:07:42,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:07:42,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 17:07:42,142 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 17:07:42,143 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 17:07:42,143 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 17:07:42,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 17:07:42,143 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 17:07:42,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 17:07:42,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-16 17:07:42,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 17:07:42,144 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 17:07:42,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 17:07:42,145 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 17:07:42,145 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 17:07:42,146 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 17:07:42,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 17:07:42,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 17:07:42,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 17:07:42,147 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-16 17:07:42,147 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 17:07:42,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 17:07:42,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 17:07:42,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 17:07:42,148 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 17:07:42,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 17:07:42,148 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 17:07:42,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 17:07:42,149 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 17:07:42,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:07:42,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 17:07:42,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 17:07:42,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 17:07:42,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 17:07:42,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 17:07:42,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 17:07:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:07:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:07:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 17:07:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 17:07:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 17:07:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 17:07:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 17:07:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 17:07:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 17:07:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:07:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 17:07:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 17:07:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-16 17:07:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 17:07:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 17:07:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 17:07:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 17:07:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-16 17:07:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 17:07:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 17:07:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 17:07:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 17:07:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 17:07:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 17:07:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 17:07:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 17:07:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 17:07:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 17:07:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 17:07:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 17:07:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:07:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 17:07:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:07:42,156 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:07:42,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 17:07:42,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:07:42,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:07:42,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:07:42,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:07:42,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 17:07:42,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:07:42,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 17:07:42,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 17:07:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:07:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 17:07:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 17:07:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 17:07:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:07:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:07:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:07:43,242 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:07:43,242 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 17:07:43,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:07:43 BoogieIcfgContainer [2019-09-16 17:07:43,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:07:43,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:07:43,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:07:43,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:07:43,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:07:41" (1/3) ... [2019-09-16 17:07:43,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d10bbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:07:43, skipping insertion in model container [2019-09-16 17:07:43,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:41" (2/3) ... [2019-09-16 17:07:43,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d10bbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:07:43, skipping insertion in model container [2019-09-16 17:07:43,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:07:43" (3/3) ... [2019-09-16 17:07:43,253 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2019-09-16 17:07:43,264 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:07:43,273 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:07:43,291 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:07:43,319 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:07:43,319 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:07:43,319 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:07:43,320 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:07:43,320 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:07:43,320 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:07:43,320 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:07:43,321 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:07:43,339 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2019-09-16 17:07:43,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-16 17:07:43,352 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:43,353 INFO L407 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] [2019-09-16 17:07:43,355 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:43,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:43,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1594153299, now seen corresponding path program 1 times [2019-09-16 17:07:43,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:43,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:43,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:43,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:43,446 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:43,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:43,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 17:07:43,794 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:43,800 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:07:43,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:07:43,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:07:43,817 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2019-09-16 17:07:43,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:43,840 INFO L93 Difference]: Finished difference Result 116 states and 136 transitions. [2019-09-16 17:07:43,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:07:43,842 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-16 17:07:43,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:43,860 INFO L225 Difference]: With dead ends: 116 [2019-09-16 17:07:43,861 INFO L226 Difference]: Without dead ends: 105 [2019-09-16 17:07:43,867 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:07:43,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-09-16 17:07:43,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-09-16 17:07:43,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-09-16 17:07:43,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2019-09-16 17:07:43,923 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 46 [2019-09-16 17:07:43,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:43,924 INFO L475 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2019-09-16 17:07:43,924 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:07:43,924 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2019-09-16 17:07:43,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-16 17:07:43,927 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:43,927 INFO L407 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] [2019-09-16 17:07:43,928 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:43,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:43,928 INFO L82 PathProgramCache]: Analyzing trace with hash -2039771295, now seen corresponding path program 1 times [2019-09-16 17:07:43,928 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:43,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:43,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:43,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:43,931 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:44,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:44,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:44,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:07:44,079 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:44,082 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:07:44,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:07:44,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:07:44,083 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 3 states. [2019-09-16 17:07:44,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:44,108 INFO L93 Difference]: Finished difference Result 96 states and 112 transitions. [2019-09-16 17:07:44,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:07:44,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-16 17:07:44,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:44,113 INFO L225 Difference]: With dead ends: 96 [2019-09-16 17:07:44,113 INFO L226 Difference]: Without dead ends: 96 [2019-09-16 17:07:44,116 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:07:44,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-09-16 17:07:44,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-09-16 17:07:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-09-16 17:07:44,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2019-09-16 17:07:44,134 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 47 [2019-09-16 17:07:44,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:44,135 INFO L475 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2019-09-16 17:07:44,135 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:07:44,135 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2019-09-16 17:07:44,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-16 17:07:44,137 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:44,137 INFO L407 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] [2019-09-16 17:07:44,138 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:44,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:44,138 INFO L82 PathProgramCache]: Analyzing trace with hash 790886080, now seen corresponding path program 1 times [2019-09-16 17:07:44,138 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:44,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:44,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:44,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:44,141 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:44,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:44,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:44,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:07:44,343 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:44,343 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:07:44,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:07:44,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:07:44,344 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 7 states. [2019-09-16 17:07:44,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:44,894 INFO L93 Difference]: Finished difference Result 218 states and 262 transitions. [2019-09-16 17:07:44,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 17:07:44,894 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-16 17:07:44,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:44,900 INFO L225 Difference]: With dead ends: 218 [2019-09-16 17:07:44,901 INFO L226 Difference]: Without dead ends: 218 [2019-09-16 17:07:44,903 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-16 17:07:44,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-09-16 17:07:44,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 210. [2019-09-16 17:07:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-09-16 17:07:44,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 256 transitions. [2019-09-16 17:07:44,964 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 256 transitions. Word has length 51 [2019-09-16 17:07:44,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:44,965 INFO L475 AbstractCegarLoop]: Abstraction has 210 states and 256 transitions. [2019-09-16 17:07:44,965 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:07:44,965 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 256 transitions. [2019-09-16 17:07:44,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-16 17:07:44,968 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:44,968 INFO L407 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] [2019-09-16 17:07:44,968 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:44,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:44,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1905735507, now seen corresponding path program 1 times [2019-09-16 17:07:44,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:44,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:44,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:44,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:44,972 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:45,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:45,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:45,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:07:45,106 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:45,107 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:07:45,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:07:45,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:07:45,108 INFO L87 Difference]: Start difference. First operand 210 states and 256 transitions. Second operand 6 states. [2019-09-16 17:07:45,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:45,353 INFO L93 Difference]: Finished difference Result 381 states and 468 transitions. [2019-09-16 17:07:45,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:07:45,354 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-09-16 17:07:45,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:45,359 INFO L225 Difference]: With dead ends: 381 [2019-09-16 17:07:45,359 INFO L226 Difference]: Without dead ends: 381 [2019-09-16 17:07:45,360 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:07:45,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2019-09-16 17:07:45,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2019-09-16 17:07:45,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-09-16 17:07:45,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 462 transitions. [2019-09-16 17:07:45,412 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 462 transitions. Word has length 57 [2019-09-16 17:07:45,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:45,414 INFO L475 AbstractCegarLoop]: Abstraction has 375 states and 462 transitions. [2019-09-16 17:07:45,414 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:07:45,414 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 462 transitions. [2019-09-16 17:07:45,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-16 17:07:45,419 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:45,419 INFO L407 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] [2019-09-16 17:07:45,419 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:45,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:45,420 INFO L82 PathProgramCache]: Analyzing trace with hash 718604337, now seen corresponding path program 1 times [2019-09-16 17:07:45,420 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:45,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:45,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:45,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:45,427 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:45,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:45,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:07:45,533 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:45,534 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:07:45,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:07:45,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:07:45,534 INFO L87 Difference]: Start difference. First operand 375 states and 462 transitions. Second operand 6 states. [2019-09-16 17:07:45,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:45,681 INFO L93 Difference]: Finished difference Result 290 states and 337 transitions. [2019-09-16 17:07:45,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:07:45,682 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-09-16 17:07:45,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:45,683 INFO L225 Difference]: With dead ends: 290 [2019-09-16 17:07:45,683 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:07:45,683 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:07:45,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:07:45,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:07:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:07:45,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:07:45,684 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-09-16 17:07:45,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:45,684 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:07:45,685 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:07:45,685 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:07:45,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:07:45,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:07:45 BoogieIcfgContainer [2019-09-16 17:07:45,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:07:45,693 INFO L168 Benchmark]: Toolchain (without parser) took 4425.93 ms. Allocated memory was 129.5 MB in the beginning and 278.4 MB in the end (delta: 148.9 MB). Free memory was 84.4 MB in the beginning and 190.4 MB in the end (delta: -106.0 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:45,695 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 129.5 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:07:45,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.46 ms. Allocated memory was 129.5 MB in the beginning and 196.6 MB in the end (delta: 67.1 MB). Free memory was 84.2 MB in the beginning and 162.1 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:45,697 INFO L168 Benchmark]: Boogie Preprocessor took 80.33 ms. Allocated memory is still 196.6 MB. Free memory was 162.1 MB in the beginning and 158.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:45,697 INFO L168 Benchmark]: RCFGBuilder took 1177.72 ms. Allocated memory is still 196.6 MB. Free memory was 158.1 MB in the beginning and 77.0 MB in the end (delta: 81.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:45,698 INFO L168 Benchmark]: TraceAbstraction took 2445.47 ms. Allocated memory was 196.6 MB in the beginning and 278.4 MB in the end (delta: 81.8 MB). Free memory was 77.0 MB in the beginning and 190.4 MB in the end (delta: -113.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:07:45,702 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 129.5 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 717.46 ms. Allocated memory was 129.5 MB in the beginning and 196.6 MB in the end (delta: 67.1 MB). Free memory was 84.2 MB in the beginning and 162.1 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.33 ms. Allocated memory is still 196.6 MB. Free memory was 162.1 MB in the beginning and 158.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1177.72 ms. Allocated memory is still 196.6 MB. Free memory was 158.1 MB in the beginning and 77.0 MB in the end (delta: 81.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2445.47 ms. Allocated memory was 196.6 MB in the beginning and 278.4 MB in the end (delta: 81.8 MB). Free memory was 77.0 MB in the beginning and 190.4 MB in the end (delta: -113.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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 36 procedures, 210 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 598 SDtfs, 323 SDslu, 1208 SDs, 0 SdLazy, 288 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375occurred 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, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 22527 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...