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_spec4_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:37:16,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:37:16,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:37:16,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:37:16,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:37:16,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:37:16,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:37:16,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:37:16,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:37:16,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:37:16,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:37:16,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:37:16,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:37:16,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:37:16,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:37:16,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:37:16,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:37:16,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:37:16,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:37:16,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:37:16,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:37:16,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:37:16,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:37:16,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:37:16,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:37:16,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:37:16,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:37:16,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:37:16,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:37:16,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:37:16,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:37:16,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:37:16,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:37:16,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:37:16,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:37:16,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:37:16,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:37:16,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:37:16,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:37:16,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:37:16,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:37:16,416 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 [2019-10-14 23:37:16,434 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:37:16,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:37:16,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:37:16,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:37:16,437 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:37:16,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:37:16,437 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:37:16,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:37:16,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:37:16,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:37:16,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:37:16,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:37:16,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:37:16,439 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:37:16,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:37:16,440 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:37:16,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:37:16,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:37:16,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:37:16,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:37:16,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:37:16,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:37:16,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:37:16,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:37:16,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:37:16,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:37:16,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:37:16,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:37:16,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:37:16,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:37:16,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:37:16,713 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:37:16,715 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:37:16,715 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:37:16,716 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-10-14 23:37:16,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c532fa7d/0f7e12f02bf64d67bceca6c84f31fec3/FLAG980cc5814 [2019-10-14 23:37:17,274 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:37:17,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-10-14 23:37:17,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c532fa7d/0f7e12f02bf64d67bceca6c84f31fec3/FLAG980cc5814 [2019-10-14 23:37:17,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c532fa7d/0f7e12f02bf64d67bceca6c84f31fec3 [2019-10-14 23:37:17,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:37:17,617 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:37:17,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:37:17,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:37:17,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:37:17,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:37:17" (1/1) ... [2019-10-14 23:37:17,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c65c842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:17, skipping insertion in model container [2019-10-14 23:37:17,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:37:17" (1/1) ... [2019-10-14 23:37:17,635 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:37:17,684 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:37:18,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:37:18,141 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:37:18,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:37:18,246 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:37:18,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:18 WrapperNode [2019-10-14 23:37:18,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:37:18,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:37:18,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:37:18,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:37:18,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:18" (1/1) ... [2019-10-14 23:37:18,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:18" (1/1) ... [2019-10-14 23:37:18,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:18" (1/1) ... [2019-10-14 23:37:18,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:18" (1/1) ... [2019-10-14 23:37:18,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:18" (1/1) ... [2019-10-14 23:37:18,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:18" (1/1) ... [2019-10-14 23:37:18,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:18" (1/1) ... [2019-10-14 23:37:18,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:37:18,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:37:18,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:37:18,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:37:18,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:18" (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 [2019-10-14 23:37:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:37:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:37:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:37:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:37:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:37:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:37:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:37:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:37:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:37:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:37:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:37:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:37:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:37:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:37:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 23:37:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 23:37:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 23:37:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 23:37:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 23:37:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 23:37:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:37:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 23:37:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 23:37:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 23:37:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 23:37:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 23:37:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 23:37:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:37:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:37:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:37:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:37:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:37:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:37:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:37:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:37:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:37:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:37:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:37:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:37:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:37:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:37:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:37:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:37:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:37:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 23:37:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 23:37:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 23:37:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:37:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:37:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:37:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:37:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:37:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 23:37:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 23:37:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 23:37:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 23:37:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 23:37:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 23:37:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:37:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 23:37:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 23:37:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:37:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 23:37:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:37:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:37:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:37:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:37:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:37:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:37:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:37:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:37:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:37:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:37:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:37:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:37:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:37:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:37:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:37:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:37:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:37:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:37:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:37:19,395 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:37:19,395 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 23:37:19,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:37:19 BoogieIcfgContainer [2019-10-14 23:37:19,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:37:19,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:37:19,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:37:19,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:37:19,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:37:17" (1/3) ... [2019-10-14 23:37:19,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dabe149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:37:19, skipping insertion in model container [2019-10-14 23:37:19,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:18" (2/3) ... [2019-10-14 23:37:19,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dabe149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:37:19, skipping insertion in model container [2019-10-14 23:37:19,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:37:19" (3/3) ... [2019-10-14 23:37:19,406 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2019-10-14 23:37:19,431 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:37:19,440 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:37:19,451 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:37:19,481 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:37:19,481 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:37:19,481 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:37:19,481 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:37:19,482 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:37:19,482 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:37:19,482 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:37:19,482 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:37:19,500 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-10-14 23:37:19,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-14 23:37:19,509 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:19,510 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:37:19,512 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:19,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:19,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1757322053, now seen corresponding path program 1 times [2019-10-14 23:37:19,528 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:19,529 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944056757] [2019-10-14 23:37:19,529 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:19,529 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:19,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:20,179 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:20,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:37:20,236 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944056757] [2019-10-14 23:37:20,237 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:37:20,237 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 23:37:20,237 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311671506] [2019-10-14 23:37:20,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 23:37:20,242 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:20,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 23:37:20,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:37:20,259 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 3 states. [2019-10-14 23:37:21,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:21,165 INFO L93 Difference]: Finished difference Result 199 states and 270 transitions. [2019-10-14 23:37:21,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:37:21,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-14 23:37:21,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:21,181 INFO L225 Difference]: With dead ends: 199 [2019-10-14 23:37:21,181 INFO L226 Difference]: Without dead ends: 109 [2019-10-14 23:37:21,185 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:37:21,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-10-14 23:37:21,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2019-10-14 23:37:21,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-10-14 23:37:21,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2019-10-14 23:37:21,256 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2019-10-14 23:37:21,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:21,257 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2019-10-14 23:37:21,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 23:37:21,257 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2019-10-14 23:37:21,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-14 23:37:21,260 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:21,260 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:37:21,261 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:21,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:21,261 INFO L82 PathProgramCache]: Analyzing trace with hash -745095734, now seen corresponding path program 1 times [2019-10-14 23:37:21,261 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:21,261 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980607729] [2019-10-14 23:37:21,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:21,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:21,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:21,606 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:37:21,641 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980607729] [2019-10-14 23:37:21,641 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:37:21,641 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:37:21,641 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721523384] [2019-10-14 23:37:21,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:37:21,643 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:21,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:37:21,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:37:21,644 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 4 states. [2019-10-14 23:37:22,096 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:37:22,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:22,513 INFO L93 Difference]: Finished difference Result 132 states and 161 transitions. [2019-10-14 23:37:22,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 23:37:22,514 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-14 23:37:22,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:22,516 INFO L225 Difference]: With dead ends: 132 [2019-10-14 23:37:22,516 INFO L226 Difference]: Without dead ends: 93 [2019-10-14 23:37:22,518 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:37:22,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-10-14 23:37:22,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2019-10-14 23:37:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-10-14 23:37:22,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2019-10-14 23:37:22,542 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2019-10-14 23:37:22,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:22,543 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2019-10-14 23:37:22,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:37:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2019-10-14 23:37:22,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-14 23:37:22,545 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:22,545 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:37:22,546 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:22,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:22,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1066187872, now seen corresponding path program 1 times [2019-10-14 23:37:22,546 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:22,547 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290171424] [2019-10-14 23:37:22,547 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:22,547 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:22,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:22,876 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:37:23,004 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290171424] [2019-10-14 23:37:23,005 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:37:23,005 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:37:23,005 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301811637] [2019-10-14 23:37:23,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:37:23,006 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:23,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:37:23,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:37:23,007 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 8 states. [2019-10-14 23:37:23,436 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:37:23,749 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:24,043 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:24,303 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:24,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:24,967 INFO L93 Difference]: Finished difference Result 141 states and 175 transitions. [2019-10-14 23:37:24,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 23:37:24,968 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-10-14 23:37:24,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:24,970 INFO L225 Difference]: With dead ends: 141 [2019-10-14 23:37:24,970 INFO L226 Difference]: Without dead ends: 93 [2019-10-14 23:37:24,971 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:37:24,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-10-14 23:37:24,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2019-10-14 23:37:24,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-10-14 23:37:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2019-10-14 23:37:25,000 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2019-10-14 23:37:25,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:25,000 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2019-10-14 23:37:25,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:37:25,001 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2019-10-14 23:37:25,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-14 23:37:25,002 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:25,002 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:37:25,003 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:25,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:25,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1773574869, now seen corresponding path program 1 times [2019-10-14 23:37:25,003 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:25,004 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627158950] [2019-10-14 23:37:25,004 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:25,004 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:25,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:25,359 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:37:25,465 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627158950] [2019-10-14 23:37:25,465 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:37:25,466 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:37:25,466 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610866385] [2019-10-14 23:37:25,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:37:25,466 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:25,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:37:25,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:37:25,467 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 11 states. [2019-10-14 23:37:25,878 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:37:26,273 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:26,559 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:26,808 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:27,356 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:37:27,924 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:28,221 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:28,497 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:28,759 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:37:29,007 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:37:29,309 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:29,599 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:29,856 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:30,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:30,372 INFO L93 Difference]: Finished difference Result 217 states and 278 transitions. [2019-10-14 23:37:30,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-14 23:37:30,373 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2019-10-14 23:37:30,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:30,376 INFO L225 Difference]: With dead ends: 217 [2019-10-14 23:37:30,377 INFO L226 Difference]: Without dead ends: 169 [2019-10-14 23:37:30,378 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2019-10-14 23:37:30,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-10-14 23:37:30,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 153. [2019-10-14 23:37:30,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-10-14 23:37:30,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2019-10-14 23:37:30,419 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 54 [2019-10-14 23:37:30,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:30,420 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2019-10-14 23:37:30,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:37:30,420 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2019-10-14 23:37:30,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-14 23:37:30,422 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:30,422 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:37:30,422 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:30,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:30,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1393150715, now seen corresponding path program 1 times [2019-10-14 23:37:30,423 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:30,423 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476503607] [2019-10-14 23:37:30,423 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:30,423 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:30,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:30,698 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:30,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:37:30,764 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476503607] [2019-10-14 23:37:30,764 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:37:30,765 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-14 23:37:30,765 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864353005] [2019-10-14 23:37:30,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 23:37:30,766 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:30,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 23:37:30,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:37:30,766 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 5 states. [2019-10-14 23:37:31,100 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:37:31,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:31,517 INFO L93 Difference]: Finished difference Result 242 states and 296 transitions. [2019-10-14 23:37:31,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-14 23:37:31,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-14 23:37:31,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:31,521 INFO L225 Difference]: With dead ends: 242 [2019-10-14 23:37:31,521 INFO L226 Difference]: Without dead ends: 148 [2019-10-14 23:37:31,522 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-14 23:37:31,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-10-14 23:37:31,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 136. [2019-10-14 23:37:31,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-10-14 23:37:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 153 transitions. [2019-10-14 23:37:31,572 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 153 transitions. Word has length 58 [2019-10-14 23:37:31,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:31,573 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 153 transitions. [2019-10-14 23:37:31,573 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 23:37:31,573 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 153 transitions. [2019-10-14 23:37:31,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-14 23:37:31,574 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:31,575 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:37:31,575 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:31,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:31,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1464178856, now seen corresponding path program 1 times [2019-10-14 23:37:31,576 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:31,576 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682598498] [2019-10-14 23:37:31,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:31,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:31,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:31,859 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:31,946 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-14 23:37:31,946 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682598498] [2019-10-14 23:37:31,946 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456337877] [2019-10-14 23:37:31,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:37:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:32,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-14 23:37:32,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:37:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:37:32,320 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:37:32,324 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2019-10-14 23:37:32,324 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812310731] [2019-10-14 23:37:32,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:37:32,325 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:32,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:37:32,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:37:32,326 INFO L87 Difference]: Start difference. First operand 136 states and 153 transitions. Second operand 13 states. [2019-10-14 23:37:32,760 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:33,538 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:34,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:34,094 INFO L93 Difference]: Finished difference Result 183 states and 214 transitions. [2019-10-14 23:37:34,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 23:37:34,095 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 88 [2019-10-14 23:37:34,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:34,096 INFO L225 Difference]: With dead ends: 183 [2019-10-14 23:37:34,096 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:37:34,098 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2019-10-14 23:37:34,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:37:34,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:37:34,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:37:34,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:37:34,098 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-10-14 23:37:34,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:34,099 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:37:34,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-14 23:37:34,099 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:37:34,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:37:34,300 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:37:34,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:37:34,436 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 57 [2019-10-14 23:37:34,754 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 55 [2019-10-14 23:37:35,601 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2019-10-14 23:37:35,799 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2019-10-14 23:37:35,972 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2019-10-14 23:37:36,106 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2019-10-14 23:37:36,290 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2019-10-14 23:37:36,436 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2019-10-14 23:37:36,712 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:36,866 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:37:37,298 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-10-14 23:37:37,473 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2019-10-14 23:37:37,945 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2019-10-14 23:37:38,094 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:37:38,252 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2019-10-14 23:37:38,725 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-10-14 23:37:39,155 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-10-14 23:37:39,306 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:37:39,454 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:37:39,943 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-10-14 23:37:39,946 INFO L443 ceAbstractionStarter]: For program point L573(lines 550 574) no Hoare annotation was computed. [2019-10-14 23:37:39,946 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 526 581) no Hoare annotation was computed. [2019-10-14 23:37:39,946 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 561) no Hoare annotation was computed. [2019-10-14 23:37:39,946 INFO L443 ceAbstractionStarter]: For program point L557-1(lines 557 561) no Hoare annotation was computed. [2019-10-14 23:37:39,946 INFO L443 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2019-10-14 23:37:39,946 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 526 581) no Hoare annotation was computed. [2019-10-14 23:37:39,946 INFO L443 ceAbstractionStarter]: For program point L551-2(lines 551 572) no Hoare annotation was computed. [2019-10-14 23:37:39,946 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 526 581) no Hoare annotation was computed. [2019-10-14 23:37:39,946 INFO L443 ceAbstractionStarter]: For program point L609(line 609) no Hoare annotation was computed. [2019-10-14 23:37:39,947 INFO L443 ceAbstractionStarter]: For program point L608-2(lines 608 633) no Hoare annotation was computed. [2019-10-14 23:37:39,947 INFO L443 ceAbstractionStarter]: For program point L634(lines 607 635) no Hoare annotation was computed. [2019-10-14 23:37:39,947 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 582 641) no Hoare annotation was computed. [2019-10-14 23:37:39,947 INFO L443 ceAbstractionStarter]: For program point L627(line 627) no Hoare annotation was computed. [2019-10-14 23:37:39,947 INFO L443 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2019-10-14 23:37:39,947 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 582 641) no Hoare annotation was computed. [2019-10-14 23:37:39,947 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 582 641) no Hoare annotation was computed. [2019-10-14 23:37:39,947 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 618) no Hoare annotation was computed. [2019-10-14 23:37:39,947 INFO L443 ceAbstractionStarter]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2019-10-14 23:37:39,947 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-10-14 23:37:39,947 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-10-14 23:37:39,948 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-10-14 23:37:39,948 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-10-14 23:37:39,948 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2019-10-14 23:37:39,948 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 448 472) the Hoare annotation is: true [2019-10-14 23:37:39,948 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 448 472) no Hoare annotation was computed. [2019-10-14 23:37:39,948 INFO L439 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:37:39,948 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 466) no Hoare annotation was computed. [2019-10-14 23:37:39,948 INFO L439 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:37:39,949 INFO L443 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2019-10-14 23:37:39,949 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 469) no Hoare annotation was computed. [2019-10-14 23:37:39,949 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 448 472) no Hoare annotation was computed. [2019-10-14 23:37:39,949 INFO L446 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: true [2019-10-14 23:37:39,949 INFO L443 ceAbstractionStarter]: For program point L454-1(line 454) no Hoare annotation was computed. [2019-10-14 23:37:39,949 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 164 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0))) [2019-10-14 23:37:39,949 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 164 186) no Hoare annotation was computed. [2019-10-14 23:37:39,950 INFO L439 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= main_~tmp~0 ~waterLevel~0) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:37:39,950 INFO L439 ceAbstractionStarter]: At program point L176-1(line 176) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= main_~tmp~0 ~waterLevel~0) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:37:39,950 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 181) no Hoare annotation was computed. [2019-10-14 23:37:39,950 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 174 181) no Hoare annotation was computed. [2019-10-14 23:37:39,950 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 164 186) no Hoare annotation was computed. [2019-10-14 23:37:39,950 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-14 23:37:39,950 INFO L439 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0))) [2019-10-14 23:37:39,951 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0))) [2019-10-14 23:37:39,951 INFO L439 ceAbstractionStarter]: At program point L170-1(line 170) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0))) [2019-10-14 23:37:39,951 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-10-14 23:37:39,951 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-14 23:37:39,951 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 122 145) no Hoare annotation was computed. [2019-10-14 23:37:39,951 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-14 23:37:39,951 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 122 145) no Hoare annotation was computed. [2019-10-14 23:37:39,951 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 122 145) no Hoare annotation was computed. [2019-10-14 23:37:39,951 INFO L443 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2019-10-14 23:37:39,951 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-14 23:37:39,952 INFO L443 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2019-10-14 23:37:39,952 INFO L443 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2019-10-14 23:37:39,952 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-14 23:37:39,952 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-10-14 23:37:39,952 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-10-14 23:37:39,952 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-14 23:37:39,952 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-10-14 23:37:39,952 INFO L443 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2019-10-14 23:37:39,952 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-14 23:37:39,952 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 256 264) no Hoare annotation was computed. [2019-10-14 23:37:39,953 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 256 264) the Hoare annotation is: true [2019-10-14 23:37:39,953 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 256 264) no Hoare annotation was computed. [2019-10-14 23:37:39,953 INFO L443 ceAbstractionStarter]: For program point L284(lines 284 292) no Hoare annotation was computed. [2019-10-14 23:37:39,953 INFO L443 ceAbstractionStarter]: For program point L284-2(lines 284 292) no Hoare annotation was computed. [2019-10-14 23:37:39,953 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 280) no Hoare annotation was computed. [2019-10-14 23:37:39,953 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 265 300) no Hoare annotation was computed. [2019-10-14 23:37:39,953 INFO L443 ceAbstractionStarter]: For program point L272-2(lines 272 280) no Hoare annotation was computed. [2019-10-14 23:37:39,953 INFO L443 ceAbstractionStarter]: For program point L295(line 295) no Hoare annotation was computed. [2019-10-14 23:37:39,953 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 265 300) no Hoare annotation was computed. [2019-10-14 23:37:39,954 INFO L443 ceAbstractionStarter]: For program point L295-1(line 295) no Hoare annotation was computed. [2019-10-14 23:37:39,954 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 265 300) no Hoare annotation was computed. [2019-10-14 23:37:39,954 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-10-14 23:37:39,954 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-10-14 23:37:39,954 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 480 525) no Hoare annotation was computed. [2019-10-14 23:37:39,954 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 480 525) no Hoare annotation was computed. [2019-10-14 23:37:39,954 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 480 525) no Hoare annotation was computed. [2019-10-14 23:37:39,954 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 154 163) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0))) [2019-10-14 23:37:39,955 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 154 163) no Hoare annotation was computed. [2019-10-14 23:37:39,955 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 154 163) no Hoare annotation was computed. [2019-10-14 23:37:39,955 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 793 838) no Hoare annotation was computed. [2019-10-14 23:37:39,955 INFO L443 ceAbstractionStarter]: For program point L813(lines 813 820) no Hoare annotation was computed. [2019-10-14 23:37:39,955 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 793 838) no Hoare annotation was computed. [2019-10-14 23:37:39,955 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 827) no Hoare annotation was computed. [2019-10-14 23:37:39,955 INFO L443 ceAbstractionStarter]: For program point L807-1(lines 807 827) no Hoare annotation was computed. [2019-10-14 23:37:39,955 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 793 838) no Hoare annotation was computed. [2019-10-14 23:37:39,955 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 245 255) no Hoare annotation was computed. [2019-10-14 23:37:39,955 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 245 255) no Hoare annotation was computed. [2019-10-14 23:37:39,955 INFO L443 ceAbstractionStarter]: For program point L250(line 250) no Hoare annotation was computed. [2019-10-14 23:37:39,955 INFO L443 ceAbstractionStarter]: For program point L250-1(line 250) no Hoare annotation was computed. [2019-10-14 23:37:39,956 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 245 255) no Hoare annotation was computed. [2019-10-14 23:37:39,956 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 237 244) no Hoare annotation was computed. [2019-10-14 23:37:39,956 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 237 244) no Hoare annotation was computed. [2019-10-14 23:37:39,956 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 237 244) no Hoare annotation was computed. [2019-10-14 23:37:39,956 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 222 228) no Hoare annotation was computed. [2019-10-14 23:37:39,956 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 222 228) the Hoare annotation is: true [2019-10-14 23:37:39,956 INFO L443 ceAbstractionStarter]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2019-10-14 23:37:39,956 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 302 365) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0))) [2019-10-14 23:37:39,956 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 318) no Hoare annotation was computed. [2019-10-14 23:37:39,956 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 302 365) no Hoare annotation was computed. [2019-10-14 23:37:39,956 INFO L439 ceAbstractionStarter]: At program point L358(lines 311 359) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:37:39,957 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2019-10-14 23:37:39,957 INFO L439 ceAbstractionStarter]: At program point L348-2(lines 342 353) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 ~pumpRunning~0)) (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-14 23:37:39,957 INFO L443 ceAbstractionStarter]: For program point L313(lines 312 357) no Hoare annotation was computed. [2019-10-14 23:37:39,957 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 353) no Hoare annotation was computed. [2019-10-14 23:37:39,957 INFO L439 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 ~pumpRunning~0)) (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-14 23:37:39,957 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2019-10-14 23:37:39,957 INFO L443 ceAbstractionStarter]: For program point L332-1(lines 332 338) no Hoare annotation was computed. [2019-10-14 23:37:39,957 INFO L439 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 ~pumpRunning~0)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0))) [2019-10-14 23:37:39,957 INFO L439 ceAbstractionStarter]: At program point L355(lines 312 357) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 ~pumpRunning~0)) (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-14 23:37:39,957 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 302 365) no Hoare annotation was computed. [2019-10-14 23:37:39,957 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-10-14 23:37:39,958 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 774) no Hoare annotation was computed. [2019-10-14 23:37:39,958 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 747 792) no Hoare annotation was computed. [2019-10-14 23:37:39,958 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 781) no Hoare annotation was computed. [2019-10-14 23:37:39,958 INFO L443 ceAbstractionStarter]: For program point L761-1(lines 761 781) no Hoare annotation was computed. [2019-10-14 23:37:39,958 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 747 792) no Hoare annotation was computed. [2019-10-14 23:37:39,958 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 747 792) no Hoare annotation was computed. [2019-10-14 23:37:39,958 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-10-14 23:37:39,958 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2019-10-14 23:37:39,958 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-10-14 23:37:39,958 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 415 437) no Hoare annotation was computed. [2019-10-14 23:37:39,959 INFO L443 ceAbstractionStarter]: For program point L423(lines 423 431) no Hoare annotation was computed. [2019-10-14 23:37:39,959 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 415 437) no Hoare annotation was computed. [2019-10-14 23:37:39,959 INFO L443 ceAbstractionStarter]: For program point L423-2(lines 423 431) no Hoare annotation was computed. [2019-10-14 23:37:39,959 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 415 437) no Hoare annotation was computed. [2019-10-14 23:37:39,959 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 689) no Hoare annotation was computed. [2019-10-14 23:37:39,959 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 644 746) no Hoare annotation was computed. [2019-10-14 23:37:39,959 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 740) no Hoare annotation was computed. [2019-10-14 23:37:39,959 INFO L443 ceAbstractionStarter]: For program point L694(lines 693 713) no Hoare annotation was computed. [2019-10-14 23:37:39,960 INFO L443 ceAbstractionStarter]: For program point L725(line 725) no Hoare annotation was computed. [2019-10-14 23:37:39,960 INFO L443 ceAbstractionStarter]: For program point L725-1(line 725) no Hoare annotation was computed. [2019-10-14 23:37:39,960 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 731) no Hoare annotation was computed. [2019-10-14 23:37:39,960 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 644 746) no Hoare annotation was computed. [2019-10-14 23:37:39,960 INFO L443 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2019-10-14 23:37:39,960 INFO L443 ceAbstractionStarter]: For program point L709-1(line 709) no Hoare annotation was computed. [2019-10-14 23:37:39,960 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 672) no Hoare annotation was computed. [2019-10-14 23:37:39,960 INFO L443 ceAbstractionStarter]: For program point L732(lines 732 743) no Hoare annotation was computed. [2019-10-14 23:37:39,960 INFO L443 ceAbstractionStarter]: For program point L695(lines 695 699) no Hoare annotation was computed. [2019-10-14 23:37:39,961 INFO L443 ceAbstractionStarter]: For program point L693-2(lines 693 713) no Hoare annotation was computed. [2019-10-14 23:37:39,961 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 644 746) no Hoare annotation was computed. [2019-10-14 23:37:39,961 INFO L443 ceAbstractionStarter]: For program point L714(lines 692 715) no Hoare annotation was computed. [2019-10-14 23:37:39,961 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:37:39,961 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|)) [2019-10-14 23:37:39,961 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:37:39,962 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 229 236) no Hoare annotation was computed. [2019-10-14 23:37:39,962 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 229 236) no Hoare annotation was computed. [2019-10-14 23:37:39,962 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 229 236) no Hoare annotation was computed. [2019-10-14 23:37:39,962 INFO L443 ceAbstractionStarter]: For program point L398-1(lines 394 405) no Hoare annotation was computed. [2019-10-14 23:37:39,962 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 394 405) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2))) [2019-10-14 23:37:39,962 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 394 405) no Hoare annotation was computed. [2019-10-14 23:37:39,962 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 438 446) the Hoare annotation is: true [2019-10-14 23:37:39,962 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 438 446) no Hoare annotation was computed. [2019-10-14 23:37:39,963 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 438 446) no Hoare annotation was computed. [2019-10-14 23:37:39,963 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:37:39,963 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-14 23:37:39,963 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:37:39,963 INFO L439 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)))) [2019-10-14 23:37:39,963 INFO L439 ceAbstractionStarter]: At program point L209(lines 209 215) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)))) [2019-10-14 23:37:39,963 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 198 221) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)))) [2019-10-14 23:37:39,964 INFO L439 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2019-10-14 23:37:39,964 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 198 221) no Hoare annotation was computed. [2019-10-14 23:37:39,964 INFO L443 ceAbstractionStarter]: For program point L202(lines 201 220) no Hoare annotation was computed. [2019-10-14 23:37:39,964 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 198 221) no Hoare annotation was computed. [2019-10-14 23:37:39,964 INFO L446 ceAbstractionStarter]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2019-10-14 23:37:39,964 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2019-10-14 23:37:39,964 INFO L446 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2019-10-14 23:37:39,964 INFO L443 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2019-10-14 23:37:39,965 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2019-10-14 23:37:39,965 INFO L446 ceAbstractionStarter]: At program point L114(lines 89 118) the Hoare annotation is: true [2019-10-14 23:37:39,965 INFO L443 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2019-10-14 23:37:39,965 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-10-14 23:37:39,965 INFO L446 ceAbstractionStarter]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2019-10-14 23:37:39,965 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-14 23:37:39,965 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 406 414) no Hoare annotation was computed. [2019-10-14 23:37:39,965 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 406 414) no Hoare annotation was computed. [2019-10-14 23:37:39,965 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 406 414) no Hoare annotation was computed. [2019-10-14 23:37:39,966 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 370 381) the Hoare annotation is: true [2019-10-14 23:37:39,966 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 370 381) no Hoare annotation was computed. [2019-10-14 23:37:39,966 INFO L443 ceAbstractionStarter]: For program point L374-1(lines 370 381) no Hoare annotation was computed. [2019-10-14 23:37:39,966 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2019-10-14 23:37:39,966 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2019-10-14 23:37:39,966 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:37:39,966 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-14 23:37:39,966 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:37:39,966 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:37:39,967 INFO L443 ceAbstractionStarter]: For program point L386-1(lines 382 393) no Hoare annotation was computed. [2019-10-14 23:37:39,967 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 382 393) no Hoare annotation was computed. [2019-10-14 23:37:39,967 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 382 393) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)))) [2019-10-14 23:37:39,967 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-14 23:37:39,967 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-14 23:37:39,967 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-14 23:37:39,967 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-14 23:37:39,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:37:39 BoogieIcfgContainer [2019-10-14 23:37:39,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:37:39,983 INFO L168 Benchmark]: Toolchain (without parser) took 22366.18 ms. Allocated memory was 137.4 MB in the beginning and 576.7 MB in the end (delta: 439.4 MB). Free memory was 101.4 MB in the beginning and 509.4 MB in the end (delta: -408.0 MB). Peak memory consumption was 430.7 MB. Max. memory is 7.1 GB. [2019-10-14 23:37:39,984 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 23:37:39,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.98 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 172.3 MB in the end (delta: -71.1 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-10-14 23:37:39,986 INFO L168 Benchmark]: Boogie Preprocessor took 82.14 ms. Allocated memory is still 201.9 MB. Free memory was 172.3 MB in the beginning and 167.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-14 23:37:39,987 INFO L168 Benchmark]: RCFGBuilder took 1065.53 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 88.4 MB in the end (delta: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. [2019-10-14 23:37:39,988 INFO L168 Benchmark]: TraceAbstraction took 20583.00 ms. Allocated memory was 201.9 MB in the beginning and 576.7 MB in the end (delta: 374.9 MB). Free memory was 87.7 MB in the beginning and 509.4 MB in the end (delta: -421.7 MB). Peak memory consumption was 352.5 MB. Max. memory is 7.1 GB. [2019-10-14 23:37:39,992 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 628.98 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 172.3 MB in the end (delta: -71.1 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.14 ms. Allocated memory is still 201.9 MB. Free memory was 172.3 MB in the beginning and 167.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1065.53 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 88.4 MB in the end (delta: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20583.00 ms. Allocated memory was 201.9 MB in the beginning and 576.7 MB in the end (delta: 374.9 MB). Free memory was 87.7 MB in the beginning and 509.4 MB in the end (delta: -421.7 MB). Peak memory consumption was 352.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (((!(0 == pumpRunning) || (2 <= waterLevel && 0 == splverifierCounter)) || (0 == splverifierCounter && waterLevel == \old(waterLevel))) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 194 locations, 1 error locations. Result: SAFE, OverallTime: 20.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.6s, HoareTripleCheckerStatistics: 411 SDtfs, 718 SDslu, 383 SDs, 0 SdLazy, 1745 SolverSat, 431 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 98 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 188 PreInvPairs, 208 NumberOfFragments, 744 HoareAnnotationTreeSize, 188 FomulaSimplifications, 27726 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 6410 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 425 ConstructedInterpolants, 0 QuantifiedInterpolants, 119772 SizeOfPredicates, 3 NumberOfNonLiveVariables, 705 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 49/52 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...