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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 14:26:02,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 14:26:02,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 14:26:02,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 14:26:02,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 14:26:02,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 14:26:02,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 14:26:02,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 14:26:02,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 14:26:02,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 14:26:02,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 14:26:02,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 14:26:02,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 14:26:02,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 14:26:02,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 14:26:02,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 14:26:02,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 14:26:02,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 14:26:02,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 14:26:02,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 14:26:02,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 14:26:02,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 14:26:02,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 14:26:02,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 14:26:02,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 14:26:02,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 14:26:02,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 14:26:02,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 14:26:02,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 14:26:02,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 14:26:02,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 14:26:02,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 14:26:02,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 14:26:02,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 14:26:02,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 14:26:02,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 14:26:02,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 14:26:02,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 14:26:02,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 14:26:02,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 14:26:02,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 14:26:02,375 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 14:26:02,398 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 14:26:02,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 14:26:02,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 14:26:02,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 14:26:02,401 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 14:26:02,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 14:26:02,402 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 14:26:02,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 14:26:02,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 14:26:02,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 14:26:02,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 14:26:02,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 14:26:02,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 14:26:02,404 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 14:26:02,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 14:26:02,405 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 14:26:02,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 14:26:02,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 14:26:02,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 14:26:02,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 14:26:02,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 14:26:02,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 14:26:02,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 14:26:02,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 14:26:02,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 14:26:02,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 14:26:02,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 14:26:02,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 14:26:02,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 14:26:02,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 14:26:02,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 14:26:02,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 14:26:02,475 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 14:26:02,476 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 14:26:02,477 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2019-10-02 14:26:02,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac6ffef11/2f53fc2aa30846008c180c790f9c1cb4/FLAGd958c7dbe [2019-10-02 14:26:03,096 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 14:26:03,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2019-10-02 14:26:03,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac6ffef11/2f53fc2aa30846008c180c790f9c1cb4/FLAGd958c7dbe [2019-10-02 14:26:03,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac6ffef11/2f53fc2aa30846008c180c790f9c1cb4 [2019-10-02 14:26:03,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 14:26:03,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 14:26:03,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 14:26:03,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 14:26:03,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 14:26:03,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:26:03" (1/1) ... [2019-10-02 14:26:03,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550cc6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:26:03, skipping insertion in model container [2019-10-02 14:26:03,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:26:03" (1/1) ... [2019-10-02 14:26:03,442 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 14:26:03,519 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 14:26:03,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:26:03,984 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 14:26:04,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:26:04,168 INFO L192 MainTranslator]: Completed translation [2019-10-02 14:26:04,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:26:04 WrapperNode [2019-10-02 14:26:04,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 14:26:04,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 14:26:04,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 14:26:04,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 14:26:04,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:26:04" (1/1) ... [2019-10-02 14:26:04,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:26:04" (1/1) ... [2019-10-02 14:26:04,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:26:04" (1/1) ... [2019-10-02 14:26:04,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:26:04" (1/1) ... [2019-10-02 14:26:04,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:26:04" (1/1) ... [2019-10-02 14:26:04,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:26:04" (1/1) ... [2019-10-02 14:26:04,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:26:04" (1/1) ... [2019-10-02 14:26:04,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 14:26:04,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 14:26:04,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 14:26:04,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 14:26:04,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:26:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 14:26:04,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 14:26:04,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 14:26:04,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-02 14:26:04,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-02 14:26:04,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-02 14:26:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-02 14:26:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-02 14:26:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-02 14:26:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-02 14:26:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-02 14:26:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-02 14:26:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-02 14:26:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-02 14:26:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 14:26:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-02 14:26:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-02 14:26:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-02 14:26:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-02 14:26:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-02 14:26:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-02 14:26:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-02 14:26:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-02 14:26:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-02 14:26:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-02 14:26:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-02 14:26:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-02 14:26:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-02 14:26:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-02 14:26:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-02 14:26:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:26:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-02 14:26:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-02 14:26:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-02 14:26:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-02 14:26:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-02 14:26:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-02 14:26:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-02 14:26:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-02 14:26:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-02 14:26:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-02 14:26:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-02 14:26:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-02 14:26:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-02 14:26:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-02 14:26:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 14:26:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 14:26:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-02 14:26:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-02 14:26:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 14:26:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 14:26:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-02 14:26:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 14:26:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 14:26:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 14:26:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 14:26:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-02 14:26:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 14:26:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-02 14:26:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-02 14:26:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 14:26:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-02 14:26:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-02 14:26:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 14:26:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-02 14:26:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-02 14:26:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-02 14:26:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-02 14:26:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-02 14:26:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-02 14:26:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-02 14:26:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-02 14:26:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-02 14:26:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-02 14:26:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-02 14:26:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-02 14:26:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-02 14:26:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-02 14:26:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 14:26:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-02 14:26:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-02 14:26:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-02 14:26:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-02 14:26:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-02 14:26:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-02 14:26:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-02 14:26:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-02 14:26:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-02 14:26:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-02 14:26:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-02 14:26:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-02 14:26:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-02 14:26:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-02 14:26:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-02 14:26:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-02 14:26:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-02 14:26:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:26:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-02 14:26:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-02 14:26:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-02 14:26:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 14:26:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 14:26:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 14:26:05,449 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 14:26:05,449 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-02 14:26:05,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:26:05 BoogieIcfgContainer [2019-10-02 14:26:05,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 14:26:05,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 14:26:05,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 14:26:05,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 14:26:05,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 02:26:03" (1/3) ... [2019-10-02 14:26:05,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43184e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:26:05, skipping insertion in model container [2019-10-02 14:26:05,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:26:04" (2/3) ... [2019-10-02 14:26:05,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43184e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:26:05, skipping insertion in model container [2019-10-02 14:26:05,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:26:05" (3/3) ... [2019-10-02 14:26:05,462 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2019-10-02 14:26:05,473 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 14:26:05,485 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 14:26:05,503 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 14:26:05,547 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 14:26:05,548 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 14:26:05,549 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 14:26:05,549 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 14:26:05,550 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 14:26:05,550 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 14:26:05,552 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 14:26:05,553 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 14:26:05,553 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 14:26:05,589 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2019-10-02 14:26:05,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-02 14:26:05,611 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:05,613 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:05,618 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:05,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:05,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1089631799, now seen corresponding path program 1 times [2019-10-02 14:26:05,629 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:05,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:05,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:05,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:05,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:06,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:26:06,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:26:06,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-02 14:26:06,105 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 14:26:06,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 14:26:06,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:26:06,123 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2019-10-02 14:26:06,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:06,171 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2019-10-02 14:26:06,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 14:26:06,173 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-02 14:26:06,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:06,191 INFO L225 Difference]: With dead ends: 292 [2019-10-02 14:26:06,191 INFO L226 Difference]: Without dead ends: 148 [2019-10-02 14:26:06,201 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:26:06,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-10-02 14:26:06,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-10-02 14:26:06,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-10-02 14:26:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 174 transitions. [2019-10-02 14:26:06,321 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 174 transitions. Word has length 59 [2019-10-02 14:26:06,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:06,322 INFO L475 AbstractCegarLoop]: Abstraction has 148 states and 174 transitions. [2019-10-02 14:26:06,323 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 14:26:06,323 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 174 transitions. [2019-10-02 14:26:06,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-02 14:26:06,332 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:06,335 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:06,336 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:06,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:06,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1975382983, now seen corresponding path program 1 times [2019-10-02 14:26:06,337 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:06,337 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:06,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:06,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:06,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:26:06,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:26:06,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 14:26:06,507 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 14:26:06,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 14:26:06,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:26:06,508 INFO L87 Difference]: Start difference. First operand 148 states and 174 transitions. Second operand 3 states. [2019-10-02 14:26:06,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:06,559 INFO L93 Difference]: Finished difference Result 231 states and 271 transitions. [2019-10-02 14:26:06,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 14:26:06,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-02 14:26:06,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:06,567 INFO L225 Difference]: With dead ends: 231 [2019-10-02 14:26:06,567 INFO L226 Difference]: Without dead ends: 139 [2019-10-02 14:26:06,569 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:26:06,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-10-02 14:26:06,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2019-10-02 14:26:06,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-02 14:26:06,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 162 transitions. [2019-10-02 14:26:06,603 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 162 transitions. Word has length 60 [2019-10-02 14:26:06,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:06,604 INFO L475 AbstractCegarLoop]: Abstraction has 139 states and 162 transitions. [2019-10-02 14:26:06,604 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 14:26:06,604 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 162 transitions. [2019-10-02 14:26:06,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-02 14:26:06,612 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:06,612 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:06,612 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:06,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:06,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1007889166, now seen corresponding path program 1 times [2019-10-02 14:26:06,613 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:06,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:06,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:06,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:06,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:06,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:26:06,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:26:06,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 14:26:06,813 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 14:26:06,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 14:26:06,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:26:06,814 INFO L87 Difference]: Start difference. First operand 139 states and 162 transitions. Second operand 7 states. [2019-10-02 14:26:07,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:07,363 INFO L93 Difference]: Finished difference Result 417 states and 506 transitions. [2019-10-02 14:26:07,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 14:26:07,364 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-02 14:26:07,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:07,368 INFO L225 Difference]: With dead ends: 417 [2019-10-02 14:26:07,368 INFO L226 Difference]: Without dead ends: 306 [2019-10-02 14:26:07,370 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:26:07,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2019-10-02 14:26:07,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 294. [2019-10-02 14:26:07,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-10-02 14:26:07,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 356 transitions. [2019-10-02 14:26:07,409 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 356 transitions. Word has length 65 [2019-10-02 14:26:07,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:07,409 INFO L475 AbstractCegarLoop]: Abstraction has 294 states and 356 transitions. [2019-10-02 14:26:07,409 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 14:26:07,409 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 356 transitions. [2019-10-02 14:26:07,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-02 14:26:07,415 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:07,415 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:07,416 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:07,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:07,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1025318737, now seen corresponding path program 1 times [2019-10-02 14:26:07,416 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:07,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:07,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:07,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:07,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:07,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-02 14:26:07,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:26:07,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 14:26:07,573 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 14:26:07,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 14:26:07,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:26:07,573 INFO L87 Difference]: Start difference. First operand 294 states and 356 transitions. Second operand 7 states. [2019-10-02 14:26:08,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:08,393 INFO L93 Difference]: Finished difference Result 744 states and 968 transitions. [2019-10-02 14:26:08,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 14:26:08,393 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-02 14:26:08,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:08,402 INFO L225 Difference]: With dead ends: 744 [2019-10-02 14:26:08,402 INFO L226 Difference]: Without dead ends: 478 [2019-10-02 14:26:08,408 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-02 14:26:08,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2019-10-02 14:26:08,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 424. [2019-10-02 14:26:08,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2019-10-02 14:26:08,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 511 transitions. [2019-10-02 14:26:08,517 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 511 transitions. Word has length 70 [2019-10-02 14:26:08,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:08,518 INFO L475 AbstractCegarLoop]: Abstraction has 424 states and 511 transitions. [2019-10-02 14:26:08,518 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 14:26:08,518 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 511 transitions. [2019-10-02 14:26:08,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-02 14:26:08,524 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:08,524 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:08,524 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:08,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:08,525 INFO L82 PathProgramCache]: Analyzing trace with hash -2085443903, now seen corresponding path program 1 times [2019-10-02 14:26:08,525 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:08,525 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:08,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:08,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:08,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:26:08,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:26:08,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 14:26:08,639 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:26:08,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:26:08,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:26:08,640 INFO L87 Difference]: Start difference. First operand 424 states and 511 transitions. Second operand 6 states. [2019-10-02 14:26:08,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:08,698 INFO L93 Difference]: Finished difference Result 830 states and 1019 transitions. [2019-10-02 14:26:08,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 14:26:08,698 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-10-02 14:26:08,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:08,703 INFO L225 Difference]: With dead ends: 830 [2019-10-02 14:26:08,703 INFO L226 Difference]: Without dead ends: 434 [2019-10-02 14:26:08,705 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:26:08,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2019-10-02 14:26:08,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2019-10-02 14:26:08,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2019-10-02 14:26:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 521 transitions. [2019-10-02 14:26:08,739 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 521 transitions. Word has length 93 [2019-10-02 14:26:08,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:08,740 INFO L475 AbstractCegarLoop]: Abstraction has 434 states and 521 transitions. [2019-10-02 14:26:08,740 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:26:08,740 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 521 transitions. [2019-10-02 14:26:08,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-02 14:26:08,742 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:08,742 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:08,743 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:08,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:08,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1383844029, now seen corresponding path program 1 times [2019-10-02 14:26:08,745 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:08,745 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:08,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:08,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:08,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:08,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:26:08,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:26:08,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-02 14:26:08,873 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 14:26:08,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 14:26:08,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:26:08,873 INFO L87 Difference]: Start difference. First operand 434 states and 521 transitions. Second operand 8 states. [2019-10-02 14:26:08,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:08,925 INFO L93 Difference]: Finished difference Result 854 states and 1058 transitions. [2019-10-02 14:26:08,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:26:08,926 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2019-10-02 14:26:08,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:08,930 INFO L225 Difference]: With dead ends: 854 [2019-10-02 14:26:08,930 INFO L226 Difference]: Without dead ends: 448 [2019-10-02 14:26:08,932 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:26:08,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-10-02 14:26:08,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2019-10-02 14:26:08,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2019-10-02 14:26:08,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 529 transitions. [2019-10-02 14:26:08,965 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 529 transitions. Word has length 93 [2019-10-02 14:26:08,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:08,965 INFO L475 AbstractCegarLoop]: Abstraction has 442 states and 529 transitions. [2019-10-02 14:26:08,965 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 14:26:08,966 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 529 transitions. [2019-10-02 14:26:08,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-02 14:26:08,967 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:08,967 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:08,968 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:08,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:08,968 INFO L82 PathProgramCache]: Analyzing trace with hash 341636868, now seen corresponding path program 1 times [2019-10-02 14:26:08,968 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:08,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:08,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:08,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:08,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:26:09,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:26:09,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 14:26:09,067 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 14:26:09,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 14:26:09,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 14:26:09,068 INFO L87 Difference]: Start difference. First operand 442 states and 529 transitions. Second operand 4 states. [2019-10-02 14:26:09,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:09,392 INFO L93 Difference]: Finished difference Result 1416 states and 1774 transitions. [2019-10-02 14:26:09,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 14:26:09,393 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-10-02 14:26:09,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:09,401 INFO L225 Difference]: With dead ends: 1416 [2019-10-02 14:26:09,401 INFO L226 Difference]: Without dead ends: 1002 [2019-10-02 14:26:09,403 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 14:26:09,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2019-10-02 14:26:09,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 985. [2019-10-02 14:26:09,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 985 states. [2019-10-02 14:26:09,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1208 transitions. [2019-10-02 14:26:09,479 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1208 transitions. Word has length 93 [2019-10-02 14:26:09,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:09,480 INFO L475 AbstractCegarLoop]: Abstraction has 985 states and 1208 transitions. [2019-10-02 14:26:09,480 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 14:26:09,480 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1208 transitions. [2019-10-02 14:26:09,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-02 14:26:09,484 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:09,485 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:09,485 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:09,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:09,485 INFO L82 PathProgramCache]: Analyzing trace with hash -643321942, now seen corresponding path program 1 times [2019-10-02 14:26:09,486 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:09,486 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:09,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:09,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:09,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:09,669 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:26:09,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:26:09,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-02 14:26:09,671 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 14:26:09,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 14:26:09,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:26:09,672 INFO L87 Difference]: Start difference. First operand 985 states and 1208 transitions. Second operand 9 states. [2019-10-02 14:26:10,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:10,797 INFO L93 Difference]: Finished difference Result 2700 states and 3468 transitions. [2019-10-02 14:26:10,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-02 14:26:10,798 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2019-10-02 14:26:10,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:10,811 INFO L225 Difference]: With dead ends: 2700 [2019-10-02 14:26:10,811 INFO L226 Difference]: Without dead ends: 1929 [2019-10-02 14:26:10,815 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-02 14:26:10,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2019-10-02 14:26:10,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1696. [2019-10-02 14:26:10,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1696 states. [2019-10-02 14:26:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2047 transitions. [2019-10-02 14:26:10,932 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2047 transitions. Word has length 97 [2019-10-02 14:26:10,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:10,932 INFO L475 AbstractCegarLoop]: Abstraction has 1696 states and 2047 transitions. [2019-10-02 14:26:10,932 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 14:26:10,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2047 transitions. [2019-10-02 14:26:10,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-02 14:26:10,936 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:10,937 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:10,937 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:10,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:10,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1477147143, now seen corresponding path program 1 times [2019-10-02 14:26:10,938 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:10,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:10,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:10,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:10,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:11,091 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-02 14:26:11,092 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:26:11,092 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:26:11,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:11,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-02 14:26:11,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:26:11,534 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:26:11,539 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:26:11,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2019-10-02 14:26:11,541 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-02 14:26:11,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-02 14:26:11,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2019-10-02 14:26:11,542 INFO L87 Difference]: Start difference. First operand 1696 states and 2047 transitions. Second operand 16 states. [2019-10-02 14:26:12,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:12,835 INFO L93 Difference]: Finished difference Result 3903 states and 4910 transitions. [2019-10-02 14:26:12,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-02 14:26:12,836 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 159 [2019-10-02 14:26:12,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:12,855 INFO L225 Difference]: With dead ends: 3903 [2019-10-02 14:26:12,855 INFO L226 Difference]: Without dead ends: 2415 [2019-10-02 14:26:12,864 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=169, Invalid=887, Unknown=0, NotChecked=0, Total=1056 [2019-10-02 14:26:12,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2019-10-02 14:26:13,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 2153. [2019-10-02 14:26:13,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2153 states. [2019-10-02 14:26:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2565 transitions. [2019-10-02 14:26:13,046 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2565 transitions. Word has length 159 [2019-10-02 14:26:13,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:13,046 INFO L475 AbstractCegarLoop]: Abstraction has 2153 states and 2565 transitions. [2019-10-02 14:26:13,046 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-02 14:26:13,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2565 transitions. [2019-10-02 14:26:13,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-10-02 14:26:13,056 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:13,056 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:13,057 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:13,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:13,057 INFO L82 PathProgramCache]: Analyzing trace with hash 430621663, now seen corresponding path program 1 times [2019-10-02 14:26:13,057 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:13,058 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:13,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:13,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:13,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:13,239 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 71 proven. 2 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2019-10-02 14:26:13,239 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:26:13,240 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:26:13,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:13,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 22 conjunts are in the unsatisfiable core [2019-10-02 14:26:13,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:26:13,810 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 201 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-10-02 14:26:13,815 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:26:13,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 12] total 16 [2019-10-02 14:26:13,817 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-02 14:26:13,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-02 14:26:13,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-10-02 14:26:13,818 INFO L87 Difference]: Start difference. First operand 2153 states and 2565 transitions. Second operand 16 states. [2019-10-02 14:26:16,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:16,875 INFO L93 Difference]: Finished difference Result 5647 states and 7773 transitions. [2019-10-02 14:26:16,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-02 14:26:16,876 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 277 [2019-10-02 14:26:16,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:16,903 INFO L225 Difference]: With dead ends: 5647 [2019-10-02 14:26:16,904 INFO L226 Difference]: Without dead ends: 3556 [2019-10-02 14:26:16,915 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=239, Invalid=1093, Unknown=0, NotChecked=0, Total=1332 [2019-10-02 14:26:16,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2019-10-02 14:26:17,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 2531. [2019-10-02 14:26:17,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2531 states. [2019-10-02 14:26:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2531 states and 2962 transitions. [2019-10-02 14:26:17,134 INFO L78 Accepts]: Start accepts. Automaton has 2531 states and 2962 transitions. Word has length 277 [2019-10-02 14:26:17,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:17,135 INFO L475 AbstractCegarLoop]: Abstraction has 2531 states and 2962 transitions. [2019-10-02 14:26:17,135 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-02 14:26:17,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 2962 transitions. [2019-10-02 14:26:17,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-10-02 14:26:17,149 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:17,150 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:17,150 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:17,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:17,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1551526319, now seen corresponding path program 1 times [2019-10-02 14:26:17,151 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:17,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:17,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:17,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:17,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:17,472 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 98 proven. 53 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2019-10-02 14:26:17,472 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:26:17,473 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:26:17,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:17,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-02 14:26:17,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:26:17,882 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 240 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-02 14:26:17,887 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:26:17,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 20 [2019-10-02 14:26:17,888 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-10-02 14:26:17,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-10-02 14:26:17,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2019-10-02 14:26:17,890 INFO L87 Difference]: Start difference. First operand 2531 states and 2962 transitions. Second operand 20 states. [2019-10-02 14:26:19,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:19,894 INFO L93 Difference]: Finished difference Result 4828 states and 5698 transitions. [2019-10-02 14:26:19,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-02 14:26:19,895 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 293 [2019-10-02 14:26:19,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:19,911 INFO L225 Difference]: With dead ends: 4828 [2019-10-02 14:26:19,911 INFO L226 Difference]: Without dead ends: 2539 [2019-10-02 14:26:19,919 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=830, Unknown=0, NotChecked=0, Total=992 [2019-10-02 14:26:19,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2539 states. [2019-10-02 14:26:20,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2539 to 2533. [2019-10-02 14:26:20,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2533 states. [2019-10-02 14:26:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2533 states to 2533 states and 2956 transitions. [2019-10-02 14:26:20,079 INFO L78 Accepts]: Start accepts. Automaton has 2533 states and 2956 transitions. Word has length 293 [2019-10-02 14:26:20,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:20,082 INFO L475 AbstractCegarLoop]: Abstraction has 2533 states and 2956 transitions. [2019-10-02 14:26:20,082 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-10-02 14:26:20,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 2956 transitions. [2019-10-02 14:26:20,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2019-10-02 14:26:20,094 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:20,094 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:20,095 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:20,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:20,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1355501483, now seen corresponding path program 1 times [2019-10-02 14:26:20,095 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:20,095 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:20,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:20,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:20,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:20,526 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 94 proven. 46 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-10-02 14:26:20,526 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:26:20,527 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:26:20,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:20,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 28 conjunts are in the unsatisfiable core [2019-10-02 14:26:20,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:26:20,901 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 166 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 14:26:20,917 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:26:20,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 14 [2019-10-02 14:26:20,918 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-02 14:26:20,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-02 14:26:20,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2019-10-02 14:26:20,919 INFO L87 Difference]: Start difference. First operand 2533 states and 2956 transitions. Second operand 14 states. [2019-10-02 14:26:23,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:23,807 INFO L93 Difference]: Finished difference Result 5747 states and 7358 transitions. [2019-10-02 14:26:23,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-02 14:26:23,808 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 294 [2019-10-02 14:26:23,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:23,833 INFO L225 Difference]: With dead ends: 5747 [2019-10-02 14:26:23,834 INFO L226 Difference]: Without dead ends: 4212 [2019-10-02 14:26:23,840 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 313 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=285, Invalid=905, Unknown=0, NotChecked=0, Total=1190 [2019-10-02 14:26:23,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4212 states. [2019-10-02 14:26:24,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4212 to 3173. [2019-10-02 14:26:24,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3173 states. [2019-10-02 14:26:24,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 3173 states and 3703 transitions. [2019-10-02 14:26:24,057 INFO L78 Accepts]: Start accepts. Automaton has 3173 states and 3703 transitions. Word has length 294 [2019-10-02 14:26:24,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:24,058 INFO L475 AbstractCegarLoop]: Abstraction has 3173 states and 3703 transitions. [2019-10-02 14:26:24,058 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-02 14:26:24,059 INFO L276 IsEmpty]: Start isEmpty. Operand 3173 states and 3703 transitions. [2019-10-02 14:26:24,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2019-10-02 14:26:24,072 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:24,073 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:24,073 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:24,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:24,074 INFO L82 PathProgramCache]: Analyzing trace with hash -360518658, now seen corresponding path program 1 times [2019-10-02 14:26:24,074 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:24,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:24,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:24,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:24,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2019-10-02 14:26:24,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:26:24,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 14:26:24,242 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 14:26:24,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 14:26:24,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:26:24,243 INFO L87 Difference]: Start difference. First operand 3173 states and 3703 transitions. Second operand 3 states. [2019-10-02 14:26:24,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:24,401 INFO L93 Difference]: Finished difference Result 5116 states and 5984 transitions. [2019-10-02 14:26:24,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 14:26:24,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2019-10-02 14:26:24,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:24,413 INFO L225 Difference]: With dead ends: 5116 [2019-10-02 14:26:24,413 INFO L226 Difference]: Without dead ends: 2005 [2019-10-02 14:26:24,421 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:26:24,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2005 states. [2019-10-02 14:26:24,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2005 to 1960. [2019-10-02 14:26:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1960 states. [2019-10-02 14:26:24,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2249 transitions. [2019-10-02 14:26:24,571 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2249 transitions. Word has length 341 [2019-10-02 14:26:24,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:24,572 INFO L475 AbstractCegarLoop]: Abstraction has 1960 states and 2249 transitions. [2019-10-02 14:26:24,572 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 14:26:24,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2249 transitions. [2019-10-02 14:26:24,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-10-02 14:26:24,593 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:24,594 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:24,594 INFO L418 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:24,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:24,595 INFO L82 PathProgramCache]: Analyzing trace with hash -2098946175, now seen corresponding path program 1 times [2019-10-02 14:26:24,595 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:24,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:24,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:24,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:24,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:25,145 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 150 proven. 54 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2019-10-02 14:26:25,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:26:25,146 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:26:25,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:25,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 1409 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-02 14:26:25,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:26:25,516 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 14:26:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 322 proven. 16 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-10-02 14:26:25,672 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:26:25,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10] total 23 [2019-10-02 14:26:25,673 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-02 14:26:25,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-02 14:26:25,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2019-10-02 14:26:25,674 INFO L87 Difference]: Start difference. First operand 1960 states and 2249 transitions. Second operand 23 states. [2019-10-02 14:26:31,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:31,823 INFO L93 Difference]: Finished difference Result 6089 states and 7183 transitions. [2019-10-02 14:26:31,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2019-10-02 14:26:31,824 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 344 [2019-10-02 14:26:31,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:31,845 INFO L225 Difference]: With dead ends: 6089 [2019-10-02 14:26:31,845 INFO L226 Difference]: Without dead ends: 3988 [2019-10-02 14:26:31,854 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 359 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1466 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=667, Invalid=4303, Unknown=0, NotChecked=0, Total=4970 [2019-10-02 14:26:31,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3988 states. [2019-10-02 14:26:32,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3988 to 3242. [2019-10-02 14:26:32,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3242 states. [2019-10-02 14:26:32,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 3242 states and 3723 transitions. [2019-10-02 14:26:32,036 INFO L78 Accepts]: Start accepts. Automaton has 3242 states and 3723 transitions. Word has length 344 [2019-10-02 14:26:32,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:32,036 INFO L475 AbstractCegarLoop]: Abstraction has 3242 states and 3723 transitions. [2019-10-02 14:26:32,037 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-02 14:26:32,037 INFO L276 IsEmpty]: Start isEmpty. Operand 3242 states and 3723 transitions. [2019-10-02 14:26:32,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2019-10-02 14:26:32,048 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:32,048 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:32,049 INFO L418 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:32,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:32,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1427629586, now seen corresponding path program 1 times [2019-10-02 14:26:32,049 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:32,049 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:32,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:32,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:32,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:32,246 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 110 proven. 16 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2019-10-02 14:26:32,247 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:26:32,247 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:26:32,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:32,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 1423 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-02 14:26:32,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:26:32,692 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (7)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 14:26:32,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:26:32,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-10-02 14:26:32,699 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 14:26:32,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 14:26:32,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-02 14:26:32,700 INFO L87 Difference]: Start difference. First operand 3242 states and 3723 transitions. Second operand 13 states. [2019-10-02 14:26:32,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:32,785 INFO L93 Difference]: Finished difference Result 3621 states and 4144 transitions. [2019-10-02 14:26:32,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 14:26:32,786 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 353 [2019-10-02 14:26:32,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:32,787 INFO L225 Difference]: With dead ends: 3621 [2019-10-02 14:26:32,787 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 14:26:32,796 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-10-02 14:26:32,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 14:26:32,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 14:26:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 14:26:32,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 14:26:32,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 353 [2019-10-02 14:26:32,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:32,798 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 14:26:32,798 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-02 14:26:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 14:26:32,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 14:26:32,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 14:26:34,783 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 28 [2019-10-02 14:26:35,461 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 44 [2019-10-02 14:26:35,648 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2019-10-02 14:26:35,895 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2019-10-02 14:26:36,181 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 27 [2019-10-02 14:26:36,345 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 24 [2019-10-02 14:26:36,634 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 29 [2019-10-02 14:26:36,830 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 24 [2019-10-02 14:26:36,937 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 1 [2019-10-02 14:26:37,087 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2019-10-02 14:26:38,061 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 52 [2019-10-02 14:26:38,308 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2019-10-02 14:26:38,528 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2019-10-02 14:26:38,641 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 1 [2019-10-02 14:26:38,932 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2019-10-02 14:26:39,202 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 25 [2019-10-02 14:26:39,434 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 27 [2019-10-02 14:26:39,817 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 32 [2019-10-02 14:26:40,063 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2019-10-02 14:26:40,460 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 26 [2019-10-02 14:26:40,686 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2019-10-02 14:26:41,031 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 31 [2019-10-02 14:26:41,539 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 39 [2019-10-02 14:26:41,651 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 24 [2019-10-02 14:26:42,076 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 33 [2019-10-02 14:26:42,534 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2019-10-02 14:26:42,717 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2019-10-02 14:26:43,055 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2019-10-02 14:26:43,258 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 25 [2019-10-02 14:26:43,695 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 30 [2019-10-02 14:26:43,829 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2019-10-02 14:26:43,877 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-02 14:26:43,877 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-02 14:26:43,877 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-02 14:26:43,877 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-02 14:26:43,877 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-02 14:26:43,878 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-02 14:26:43,878 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-02 14:26:43,878 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-02 14:26:43,878 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-02 14:26:43,878 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-02 14:26:43,878 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-02 14:26:43,878 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-02 14:26:43,878 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-02 14:26:43,878 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-02 14:26:43,878 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-02 14:26:43,878 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-02 14:26:43,878 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-02 14:26:43,879 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-02 14:26:43,879 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2019-10-02 14:26:43,879 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2019-10-02 14:26:43,879 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2019-10-02 14:26:43,879 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2019-10-02 14:26:43,879 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2019-10-02 14:26:43,879 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2019-10-02 14:26:43,879 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2019-10-02 14:26:43,879 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2019-10-02 14:26:43,880 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 532 541) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~systemActive~0 1))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse4) (or .cse1 .cse2 .cse5 .cse7 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2019-10-02 14:26:43,880 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 532 541) no Hoare annotation was computed. [2019-10-02 14:26:43,880 INFO L443 ceAbstractionStarter]: For program point L537(line 537) no Hoare annotation was computed. [2019-10-02 14:26:43,880 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 532 541) no Hoare annotation was computed. [2019-10-02 14:26:43,880 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 542 570) the Hoare annotation is: true [2019-10-02 14:26:43,880 INFO L439 ceAbstractionStarter]: At program point L557(line 557) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse4) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1) (or .cse5 (or .cse3 (or .cse2 .cse1))))) [2019-10-02 14:26:43,880 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 542 570) no Hoare annotation was computed. [2019-10-02 14:26:43,880 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 561) no Hoare annotation was computed. [2019-10-02 14:26:43,880 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 564) no Hoare annotation was computed. [2019-10-02 14:26:43,880 INFO L439 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~waterLevel~0 1))) (.cse3 (= __utac_acc__Specification5_spec__3_~tmp~4 ~waterLevel~0)) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse2 .cse3 .cse0 .cse4) (or .cse2 .cse5 .cse6 .cse3 .cse4) (or .cse2 .cse0 .cse6 .cse1) (or .cse2 .cse0 .cse6 .cse4 .cse3) (or .cse5 (or .cse6 (or .cse2 .cse1))))) [2019-10-02 14:26:43,881 INFO L443 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2019-10-02 14:26:43,881 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 567) no Hoare annotation was computed. [2019-10-02 14:26:43,881 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 542 570) no Hoare annotation was computed. [2019-10-02 14:26:43,881 INFO L446 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: true [2019-10-02 14:26:43,881 INFO L443 ceAbstractionStarter]: For program point L548-1(line 548) no Hoare annotation was computed. [2019-10-02 14:26:43,881 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:43,881 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2019-10-02 14:26:43,882 INFO L439 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= main_~tmp~3 1) (= main_~tmp~3 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:43,882 INFO L439 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= main_~tmp~3 1) (= main_~tmp~3 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:43,882 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-10-02 14:26:43,882 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2019-10-02 14:26:43,882 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-02 14:26:43,882 INFO L439 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:43,882 INFO L439 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:43,883 INFO L439 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:43,883 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2019-10-02 14:26:43,883 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-02 14:26:43,883 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-02 14:26:43,883 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2019-10-02 14:26:43,883 INFO L443 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2019-10-02 14:26:43,883 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-02 14:26:43,883 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2019-10-02 14:26:43,884 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2019-10-02 14:26:43,884 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-10-02 14:26:43,884 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-02 14:26:43,884 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-02 14:26:43,884 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-02 14:26:43,884 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-02 14:26:43,884 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-02 14:26:43,884 INFO L443 ceAbstractionStarter]: For program point L453(line 453) no Hoare annotation was computed. [2019-10-02 14:26:43,884 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-02 14:26:43,885 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-02 14:26:43,885 INFO L443 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2019-10-02 14:26:43,885 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 952 966) no Hoare annotation was computed. [2019-10-02 14:26:43,885 INFO L439 ceAbstractionStarter]: At program point L958(line 958) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (or (or (= |old(~systemActive~0)| 0) .cse0) (not (= 1 |old(~pumpRunning~0)|))) (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1))) (or .cse1 .cse0) (or .cse1 (not (= ~waterLevel~0 1))))) [2019-10-02 14:26:43,885 INFO L443 ceAbstractionStarter]: For program point L956(lines 956 962) no Hoare annotation was computed. [2019-10-02 14:26:43,885 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 952 966) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (or (or (= |old(~systemActive~0)| 0) .cse0) (not (= 1 |old(~pumpRunning~0)|))) (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1))) (or (or .cse1 .cse0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse1 (= ~pumpRunning~0 0) (not (= ~waterLevel~0 1))))) [2019-10-02 14:26:43,885 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 952 966) no Hoare annotation was computed. [2019-10-02 14:26:43,886 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 869 877) no Hoare annotation was computed. [2019-10-02 14:26:43,886 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 869 877) the Hoare annotation is: true [2019-10-02 14:26:43,886 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 869 877) no Hoare annotation was computed. [2019-10-02 14:26:43,886 INFO L443 ceAbstractionStarter]: For program point L942(lines 942 946) no Hoare annotation was computed. [2019-10-02 14:26:43,886 INFO L446 ceAbstractionStarter]: At program point L940(line 940) the Hoare annotation is: true [2019-10-02 14:26:43,886 INFO L443 ceAbstractionStarter]: For program point L942-2(lines 942 946) no Hoare annotation was computed. [2019-10-02 14:26:43,886 INFO L443 ceAbstractionStarter]: For program point L940-1(line 940) no Hoare annotation was computed. [2019-10-02 14:26:43,886 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 933 951) the Hoare annotation is: true [2019-10-02 14:26:43,886 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 933 951) no Hoare annotation was computed. [2019-10-02 14:26:43,887 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 933 951) no Hoare annotation was computed. [2019-10-02 14:26:43,887 INFO L443 ceAbstractionStarter]: For program point L897(lines 897 905) no Hoare annotation was computed. [2019-10-02 14:26:43,887 INFO L443 ceAbstractionStarter]: For program point L897-2(lines 897 905) no Hoare annotation was computed. [2019-10-02 14:26:43,887 INFO L443 ceAbstractionStarter]: For program point L885(lines 885 893) no Hoare annotation was computed. [2019-10-02 14:26:43,887 INFO L443 ceAbstractionStarter]: For program point L885-2(lines 885 893) no Hoare annotation was computed. [2019-10-02 14:26:43,887 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 878 913) no Hoare annotation was computed. [2019-10-02 14:26:43,887 INFO L443 ceAbstractionStarter]: For program point L908(line 908) no Hoare annotation was computed. [2019-10-02 14:26:43,887 INFO L443 ceAbstractionStarter]: For program point L908-1(line 908) no Hoare annotation was computed. [2019-10-02 14:26:43,887 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 878 913) no Hoare annotation was computed. [2019-10-02 14:26:43,888 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 878 913) no Hoare annotation was computed. [2019-10-02 14:26:43,888 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2019-10-02 14:26:43,888 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2019-10-02 14:26:43,888 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-02 14:26:43,888 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-02 14:26:43,888 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-02 14:26:43,888 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-02 14:26:43,888 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-02 14:26:43,888 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-02 14:26:43,888 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-02 14:26:43,889 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-02 14:26:43,889 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-02 14:26:43,889 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:43,889 INFO L439 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:43,889 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2019-10-02 14:26:43,889 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2019-10-02 14:26:43,889 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 858 868) no Hoare annotation was computed. [2019-10-02 14:26:43,889 INFO L443 ceAbstractionStarter]: For program point L863(line 863) no Hoare annotation was computed. [2019-10-02 14:26:43,890 INFO L443 ceAbstractionStarter]: For program point L863-1(line 863) no Hoare annotation was computed. [2019-10-02 14:26:43,890 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 858 868) no Hoare annotation was computed. [2019-10-02 14:26:43,890 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 858 868) no Hoare annotation was computed. [2019-10-02 14:26:43,890 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 850 857) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1))) (and (or .cse0 (not (= ~systemActive~0 1)) .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) (or (or (or (= ~systemActive~0 0) (not (= ~waterLevel~0 2))) .cse0) .cse1))) [2019-10-02 14:26:43,890 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 850 857) no Hoare annotation was computed. [2019-10-02 14:26:43,890 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 850 857) no Hoare annotation was computed. [2019-10-02 14:26:43,890 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 656 669) no Hoare annotation was computed. [2019-10-02 14:26:43,890 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2019-10-02 14:26:43,891 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 656 669) the Hoare annotation is: true [2019-10-02 14:26:43,891 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 656 669) no Hoare annotation was computed. [2019-10-02 14:26:43,891 INFO L439 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2019-10-02 14:26:43,891 INFO L439 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (= 1 processEnvironment_~tmp~7) (= ~pumpRunning~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2019-10-02 14:26:43,891 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 833) no Hoare annotation was computed. [2019-10-02 14:26:43,891 INFO L439 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 (= ~pumpRunning~0 1) .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2019-10-02 14:26:43,891 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 817 841) no Hoare annotation was computed. [2019-10-02 14:26:43,891 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-02 14:26:43,892 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 838) no Hoare annotation was computed. [2019-10-02 14:26:43,892 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 817 841) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (or .cse3 (or .cse1 (or .cse4 .cse0 (not (= ~waterLevel~0 2))))) (or .cse4 .cse3 .cse0 .cse1 .cse2))) [2019-10-02 14:26:43,892 INFO L439 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse1 .cse4) (or .cse2 .cse0 .cse3 .cse1 .cse4))) [2019-10-02 14:26:43,892 INFO L443 ceAbstractionStarter]: For program point L836-1(lines 817 841) no Hoare annotation was computed. [2019-10-02 14:26:43,892 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 783 789) no Hoare annotation was computed. [2019-10-02 14:26:43,892 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 783 789) the Hoare annotation is: true [2019-10-02 14:26:43,892 INFO L439 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse3 (= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 1 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse3 (= ~pumpRunning~0 1)) (and (and .cse1 .cse2 .cse5) .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (and .cse2 .cse4) .cse3 .cse6) (and .cse0 .cse5 .cse2 .cse4 .cse6) (not (= |old(~waterLevel~0)| 1)))) [2019-10-02 14:26:43,893 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 682 749) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:43,893 INFO L443 ceAbstractionStarter]: For program point L702(lines 702 708) no Hoare annotation was computed. [2019-10-02 14:26:43,893 INFO L443 ceAbstractionStarter]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2019-10-02 14:26:43,893 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 682 749) no Hoare annotation was computed. [2019-10-02 14:26:43,893 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 698) no Hoare annotation was computed. [2019-10-02 14:26:43,893 INFO L439 ceAbstractionStarter]: At program point L742(lines 691 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:43,893 INFO L439 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 2 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and (and .cse0 .cse2) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (and .cse0 .cse2 (not (= 0 ~systemActive~0))) (= ~pumpRunning~0 1)))) [2019-10-02 14:26:43,893 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2019-10-02 14:26:43,894 INFO L439 ceAbstractionStarter]: At program point L730-1(lines 722 737) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= 0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse3 .cse5) (and .cse1 .cse2 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)) (and (and .cse0 .cse1 .cse4) .cse3))) [2019-10-02 14:26:43,894 INFO L443 ceAbstractionStarter]: For program point L693(lines 692 741) no Hoare annotation was computed. [2019-10-02 14:26:43,894 INFO L439 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (let ((.cse2 (= 0 test_~splverifierCounter~0))) (let ((.cse0 (and .cse2 (= 2 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 1) .cse0) (and .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2019-10-02 14:26:43,894 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 737) no Hoare annotation was computed. [2019-10-02 14:26:43,894 INFO L439 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse1 (= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (and .cse5 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) (and .cse0 (= 1 ~waterLevel~0) .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and (and .cse5 .cse1 .cse2) .cse3))) [2019-10-02 14:26:43,894 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-10-02 14:26:43,894 INFO L443 ceAbstractionStarter]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2019-10-02 14:26:43,895 INFO L439 ceAbstractionStarter]: At program point L739(lines 692 741) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse0 .cse1 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse1 .cse2 .cse4 .cse5) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4) (and .cse3 (= 1 ~waterLevel~0) .cse1 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2019-10-02 14:26:43,895 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 682 749) no Hoare annotation was computed. [2019-10-02 14:26:43,895 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-02 14:26:43,895 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-02 14:26:43,895 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-02 14:26:43,895 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-02 14:26:43,895 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-02 14:26:43,895 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-02 14:26:43,896 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 670 678) no Hoare annotation was computed. [2019-10-02 14:26:43,896 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 670 678) the Hoare annotation is: true [2019-10-02 14:26:43,896 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 670 678) no Hoare annotation was computed. [2019-10-02 14:26:43,896 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 624 646) no Hoare annotation was computed. [2019-10-02 14:26:43,896 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 640) no Hoare annotation was computed. [2019-10-02 14:26:43,896 INFO L443 ceAbstractionStarter]: For program point L632-2(lines 632 640) no Hoare annotation was computed. [2019-10-02 14:26:43,896 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 624 646) no Hoare annotation was computed. [2019-10-02 14:26:43,896 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 624 646) no Hoare annotation was computed. [2019-10-02 14:26:43,896 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-02 14:26:43,897 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-02 14:26:43,897 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-02 14:26:43,897 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-02 14:26:43,897 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-02 14:26:43,897 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-02 14:26:43,897 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-02 14:26:43,897 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-02 14:26:43,897 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-02 14:26:43,898 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-02 14:26:43,898 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-02 14:26:43,898 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-02 14:26:43,898 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-02 14:26:43,898 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-02 14:26:43,898 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-02 14:26:43,898 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-02 14:26:43,898 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 977 986) no Hoare annotation was computed. [2019-10-02 14:26:43,898 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 977 986) no Hoare annotation was computed. [2019-10-02 14:26:43,899 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 977 986) no Hoare annotation was computed. [2019-10-02 14:26:43,899 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:26:43,899 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-02 14:26:43,899 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:26:43,899 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 842 849) no Hoare annotation was computed. [2019-10-02 14:26:43,899 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 842 849) no Hoare annotation was computed. [2019-10-02 14:26:43,899 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 842 849) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2019-10-02 14:26:43,899 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 647 655) the Hoare annotation is: true [2019-10-02 14:26:43,900 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 647 655) no Hoare annotation was computed. [2019-10-02 14:26:43,900 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 647 655) no Hoare annotation was computed. [2019-10-02 14:26:43,900 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 914 932) no Hoare annotation was computed. [2019-10-02 14:26:43,900 INFO L443 ceAbstractionStarter]: For program point L923(lines 923 927) no Hoare annotation was computed. [2019-10-02 14:26:43,900 INFO L446 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: true [2019-10-02 14:26:43,900 INFO L443 ceAbstractionStarter]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2019-10-02 14:26:43,900 INFO L443 ceAbstractionStarter]: For program point L921-1(line 921) no Hoare annotation was computed. [2019-10-02 14:26:43,900 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 914 932) the Hoare annotation is: true [2019-10-02 14:26:43,900 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 914 932) no Hoare annotation was computed. [2019-10-02 14:26:43,901 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:26:43,901 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-02 14:26:43,901 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:26:43,901 INFO L443 ceAbstractionStarter]: For program point L607-1(lines 603 614) no Hoare annotation was computed. [2019-10-02 14:26:43,901 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 603 614) the Hoare annotation is: true [2019-10-02 14:26:43,901 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 603 614) no Hoare annotation was computed. [2019-10-02 14:26:43,901 INFO L439 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse0 (or .cse4 .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 0))) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1) (or .cse2 (or .cse1 .cse3)) (or (or .cse0 (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 .cse4 .cse5) (or .cse1 .cse2 .cse5)))) [2019-10-02 14:26:43,901 INFO L443 ceAbstractionStarter]: For program point L763(lines 759 781) no Hoare annotation was computed. [2019-10-02 14:26:43,902 INFO L443 ceAbstractionStarter]: For program point L761(lines 759 781) no Hoare annotation was computed. [2019-10-02 14:26:43,902 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 756 782) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse0 (or .cse4 .cse10)) (.cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (and .cse7 .cse2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 0))) (.cse11 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse2)) (or .cse3 .cse1 .cse4 .cse5 .cse6) (or (or .cse0 (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 1) .cse7)) (or .cse1 .cse8 .cse6 .cse9) (or (and (= ~waterLevel~0 2) .cse2) (or .cse8 (or .cse1 .cse10))) (or .cse1 .cse11 .cse4 .cse12 .cse6) (or .cse3 .cse1 .cse8 .cse5 .cse6) (or .cse1 .cse9 .cse4 .cse6) (or .cse1 .cse8 .cse11 .cse12 .cse6)))) [2019-10-02 14:26:43,902 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 756 782) no Hoare annotation was computed. [2019-10-02 14:26:43,902 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 756 782) no Hoare annotation was computed. [2019-10-02 14:26:43,902 INFO L439 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse3 (and .cse7 (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse6 (or .cse4 .cse2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 0))) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse3 .cse4 .cse5) (or (or .cse6 .cse1) .cse3) (or (or .cse6 (not (= 1 |old(~pumpRunning~0)|))) (and .cse7 (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (< 0 ~waterLevel~0))) (or .cse1 .cse0 .cse5)))) [2019-10-02 14:26:43,903 INFO L439 ceAbstractionStarter]: At program point L770(lines 770 776) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse2 (not (= ~systemActive~0 0))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and .cse0 .cse9 .cse1)) (.cse8 (or .cse6 .cse4))) (and (or (and .cse0 (= ~waterLevel~0 2) .cse1) (or .cse2 (or .cse3 .cse4))) (or .cse3 .cse5 .cse6 .cse7) (or .cse3 .cse2 .cse5 .cse7) (or (or .cse8 .cse3) (and (= ~pumpRunning~0 1) .cse9) .cse5) (or (or .cse8 (not (= 1 |old(~pumpRunning~0)|))) (and (<= 1 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) (< 0 ~waterLevel~0) .cse1))))) [2019-10-02 14:26:43,903 INFO L446 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2019-10-02 14:26:43,903 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2019-10-02 14:26:43,903 INFO L446 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2019-10-02 14:26:43,903 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-10-02 14:26:43,903 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2019-10-02 14:26:43,903 INFO L446 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2019-10-02 14:26:43,903 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-10-02 14:26:43,903 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-02 14:26:43,904 INFO L446 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2019-10-02 14:26:43,904 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-02 14:26:43,904 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 615 623) no Hoare annotation was computed. [2019-10-02 14:26:43,904 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 615 623) no Hoare annotation was computed. [2019-10-02 14:26:43,904 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 615 623) no Hoare annotation was computed. [2019-10-02 14:26:43,904 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 579 590) the Hoare annotation is: (or (or (or (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (not (= 1 ~pumpRunning~0))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-02 14:26:43,904 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 579 590) no Hoare annotation was computed. [2019-10-02 14:26:43,904 INFO L443 ceAbstractionStarter]: For program point L583-1(lines 579 590) no Hoare annotation was computed. [2019-10-02 14:26:43,904 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2019-10-02 14:26:43,905 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2019-10-02 14:26:43,905 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:26:43,905 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-02 14:26:43,905 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 14:26:43,905 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:26:43,905 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2019-10-02 14:26:43,905 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: true [2019-10-02 14:26:43,905 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2019-10-02 14:26:43,905 INFO L439 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~pumpRunning~0 0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2019-10-02 14:26:43,906 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 791 815) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse2 .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-02 14:26:43,906 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 807) no Hoare annotation was computed. [2019-10-02 14:26:43,906 INFO L439 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse2 .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-02 14:26:43,906 INFO L443 ceAbstractionStarter]: For program point L797-1(line 797) no Hoare annotation was computed. [2019-10-02 14:26:43,906 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 791 815) no Hoare annotation was computed. [2019-10-02 14:26:43,906 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 812) no Hoare annotation was computed. [2019-10-02 14:26:43,906 INFO L439 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2019-10-02 14:26:43,906 INFO L443 ceAbstractionStarter]: For program point L810-1(lines 791 815) no Hoare annotation was computed. [2019-10-02 14:26:43,907 INFO L439 ceAbstractionStarter]: At program point L805(line 805) the Hoare annotation is: (let ((.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse3 (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2019-10-02 14:26:43,907 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 591 602) no Hoare annotation was computed. [2019-10-02 14:26:43,907 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 591 602) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse1 (or .cse3 .cse0 .cse4)) (or .cse5 .cse1 .cse6 .cse3 .cse2) (or .cse5 .cse1 (or .cse4 .cse3) .cse6) (or (or .cse3 .cse0) .cse6 .cse1 .cse2))) [2019-10-02 14:26:43,907 INFO L443 ceAbstractionStarter]: For program point L595-1(lines 591 602) no Hoare annotation was computed. [2019-10-02 14:26:43,907 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2019-10-02 14:26:43,907 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2019-10-02 14:26:43,908 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2019-10-02 14:26:43,908 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2019-10-02 14:26:43,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 02:26:43 BoogieIcfgContainer [2019-10-02 14:26:43,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 14:26:43,925 INFO L168 Benchmark]: Toolchain (without parser) took 40498.45 ms. Allocated memory was 133.7 MB in the beginning and 950.0 MB in the end (delta: 816.3 MB). Free memory was 88.2 MB in the beginning and 679.4 MB in the end (delta: -591.2 MB). Peak memory consumption was 760.7 MB. Max. memory is 7.1 GB. [2019-10-02 14:26:43,926 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 14:26:43,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.39 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.0 MB in the beginning and 162.5 MB in the end (delta: -74.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-10-02 14:26:43,928 INFO L168 Benchmark]: Boogie Preprocessor took 83.88 ms. Allocated memory is still 200.8 MB. Free memory was 162.5 MB in the beginning and 158.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-02 14:26:43,928 INFO L168 Benchmark]: RCFGBuilder took 1197.78 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 158.2 MB in the beginning and 184.9 MB in the end (delta: -26.7 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2019-10-02 14:26:43,929 INFO L168 Benchmark]: TraceAbstraction took 38471.19 ms. Allocated memory was 226.5 MB in the beginning and 950.0 MB in the end (delta: 723.5 MB). Free memory was 184.9 MB in the beginning and 679.4 MB in the end (delta: -494.5 MB). Peak memory consumption was 764.6 MB. Max. memory is 7.1 GB. [2019-10-02 14:26:43,933 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 741.39 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.0 MB in the beginning and 162.5 MB in the end (delta: -74.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.88 ms. Allocated memory is still 200.8 MB. Free memory was 162.5 MB in the beginning and 158.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1197.78 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 158.2 MB in the beginning and 184.9 MB in the end (delta: -26.7 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38471.19 ms. Allocated memory was 226.5 MB in the beginning and 950.0 MB in the end (delta: 723.5 MB). Free memory was 184.9 MB in the beginning and 679.4 MB in the end (delta: -494.5 MB). Peak memory consumption was 764.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 0 == splverifierCounter) && waterLevel == 2) && pumpRunning == 1) || !(\old(systemActive) == 1)) || ((((pumpRunning == switchedOnBeforeTS && 1 == systemActive) && 0 == splverifierCounter) && waterLevel == 2) && pumpRunning == 0)) || !(0 == \old(pumpRunning))) || ((((pumpRunning == switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel == 2) && pumpRunning == 0) && 0 == systemActive)) || (((1 == systemActive && 0 == splverifierCounter) && \old(waterLevel) == waterLevel) && pumpRunning == 0)) || ((((pumpRunning == switchedOnBeforeTS && 1 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == systemActive)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 255 locations, 1 error locations. SAFE Result, 38.3s OverallTime, 15 OverallIterations, 9 TraceHistogramMax, 18.9s AutomataDifference, 0.0s DeadEndRemovalTime, 11.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3298 SDtfs, 5132 SDslu, 10666 SDs, 0 SdLazy, 14853 SolverSat, 3375 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2064 GetRequests, 1798 SyntacticMatches, 5 SemanticMatches, 261 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2311 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3242occurred in iteration=14, 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: 1.6s AutomataMinimizationTime, 15 MinimizatonAttempts, 3445 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 7198 PreInvPairs, 7307 NumberOfFragments, 2342 HoareAnnotationTreeSize, 7198 FomulaSimplifications, 94118 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 66 FomulaSimplificationsInter, 82516 FormulaSimplificationTreeSizeReductionInter, 9.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 4411 NumberOfCodeBlocks, 4411 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 4390 ConstructedInterpolants, 0 QuantifiedInterpolants, 1742574 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7577 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 21 InterpolantComputations, 10 PerfectInterpolantSequences, 4146/4391 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...