/usr/bin/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_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:35:27,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:35:27,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:35:27,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:35:27,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:35:27,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:35:27,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:35:27,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:35:27,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:35:27,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:35:27,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:35:27,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:35:27,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:35:27,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:35:27,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:35:27,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:35:27,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:35:27,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:35:27,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:35:27,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:35:27,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:35:27,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:35:27,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:35:27,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:35:27,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:35:27,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:35:27,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:35:27,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:35:27,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:35:27,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:35:27,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:35:27,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:35:27,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:35:27,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:35:27,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:35:27,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:35:27,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:35:27,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:35:27,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:35:27,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:35:27,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:35:27,384 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 [2020-07-17 11:35:27,417 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:35:27,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:35:27,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:35:27,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:35:27,419 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:35:27,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:35:27,420 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:35:27,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:35:27,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:35:27,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:35:27,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:35:27,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:35:27,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:35:27,425 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:35:27,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:35:27,425 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:35:27,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:35:27,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:35:27,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:35:27,429 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:35:27,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:35:27,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:35:27,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:35:27,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:35:27,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:35:27,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:35:27,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:35:27,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:35:27,431 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:35:27,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:35:27,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:35:27,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:35:27,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:35:27,752 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:35:27,752 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:35:27,753 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2020-07-17 11:35:27,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/364f9436c/4bb525d331084b7194b97bbe301b99eb/FLAG3b0886f99 [2020-07-17 11:35:28,374 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:35:28,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2020-07-17 11:35:28,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/364f9436c/4bb525d331084b7194b97bbe301b99eb/FLAG3b0886f99 [2020-07-17 11:35:28,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/364f9436c/4bb525d331084b7194b97bbe301b99eb [2020-07-17 11:35:28,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:35:28,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:35:28,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:35:28,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:35:28,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:35:28,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:35:28" (1/1) ... [2020-07-17 11:35:28,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452e714f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:28, skipping insertion in model container [2020-07-17 11:35:28,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:35:28" (1/1) ... [2020-07-17 11:35:28,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:35:28,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:35:29,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:35:29,187 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:35:29,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:35:29,339 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:35:29,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:29 WrapperNode [2020-07-17 11:35:29,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:35:29,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:35:29,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:35:29,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:35:29,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:29" (1/1) ... [2020-07-17 11:35:29,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:29" (1/1) ... [2020-07-17 11:35:29,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:29" (1/1) ... [2020-07-17 11:35:29,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:29" (1/1) ... [2020-07-17 11:35:29,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:29" (1/1) ... [2020-07-17 11:35:29,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:29" (1/1) ... [2020-07-17 11:35:29,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:29" (1/1) ... [2020-07-17 11:35:29,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:35:29,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:35:29,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:35:29,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:35:29,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:29" (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 [2020-07-17 11:35:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:35:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:35:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:35:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:35:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:35:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:35:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-17 11:35:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:35:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:35:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:35:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:35:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:35:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:35:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:35:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 11:35:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 11:35:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 11:35:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:35:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:35:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:35:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:35:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:35:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:35:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:35:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-17 11:35:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:35:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:35:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:35:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:35:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:35:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:35:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:35:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:35:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:35:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:35:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:35:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:35:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:35:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 11:35:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:35:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:35:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:35:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:35:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:35:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:35:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:35:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:35:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:35:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:35:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:35:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 11:35:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:35:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:35:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:35:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:35:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:35:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 11:35:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 11:35:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-17 11:35:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:35:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:35:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:35:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:35:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 11:35:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-17 11:35:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:35:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:35:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:35:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:35:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:35:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:35:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:35:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:35:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:35:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:35:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:35:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:35:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:35:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:35:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:35:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:35:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:35:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:35:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:35:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:35:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:35:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:35:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:35:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:35:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:35:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:35:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:35:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:35:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:35:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:35:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:35:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:35:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:35:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:35:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:35:30,618 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:35:30,619 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:35:30,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:35:30 BoogieIcfgContainer [2020-07-17 11:35:30,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:35:30,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:35:30,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:35:30,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:35:30,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:35:28" (1/3) ... [2020-07-17 11:35:30,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740dc70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:35:30, skipping insertion in model container [2020-07-17 11:35:30,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:29" (2/3) ... [2020-07-17 11:35:30,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740dc70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:35:30, skipping insertion in model container [2020-07-17 11:35:30,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:35:30" (3/3) ... [2020-07-17 11:35:30,633 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2020-07-17 11:35:30,644 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:35:30,656 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:35:30,670 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:35:30,691 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:35:30,692 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:35:30,692 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:35:30,692 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:35:30,692 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:35:30,693 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:35:30,693 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:35:30,693 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:35:30,717 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-07-17 11:35:30,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-17 11:35:30,728 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:30,729 INFO L422 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] [2020-07-17 11:35:30,729 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:30,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:30,736 INFO L82 PathProgramCache]: Analyzing trace with hash -559348317, now seen corresponding path program 1 times [2020-07-17 11:35:30,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:30,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053915827] [2020-07-17 11:35:30,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,399 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:31,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053915827] [2020-07-17 11:35:31,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:35:31,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 11:35:31,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703650306] [2020-07-17 11:35:31,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:35:31,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:31,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:35:31,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:35:31,558 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-07-17 11:35:32,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:32,970 INFO L93 Difference]: Finished difference Result 358 states and 464 transitions. [2020-07-17 11:35:32,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:35:32,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-17 11:35:32,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:32,987 INFO L225 Difference]: With dead ends: 358 [2020-07-17 11:35:32,987 INFO L226 Difference]: Without dead ends: 193 [2020-07-17 11:35:32,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:35:33,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-07-17 11:35:33,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 156. [2020-07-17 11:35:33,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-17 11:35:33,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2020-07-17 11:35:33,109 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 46 [2020-07-17 11:35:33,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:33,110 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2020-07-17 11:35:33,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:35:33,110 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2020-07-17 11:35:33,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-17 11:35:33,114 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:33,114 INFO L422 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] [2020-07-17 11:35:33,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:35:33,115 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:33,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:33,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1620740414, now seen corresponding path program 1 times [2020-07-17 11:35:33,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:33,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406862167] [2020-07-17 11:35:33,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,467 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:33,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406862167] [2020-07-17 11:35:33,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:35:33,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:35:33,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838386393] [2020-07-17 11:35:33,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:35:33,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:33,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:35:33,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:35:33,520 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand 4 states. [2020-07-17 11:35:33,986 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:35:35,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:35,081 INFO L93 Difference]: Finished difference Result 281 states and 343 transitions. [2020-07-17 11:35:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 11:35:35,082 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-17 11:35:35,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:35,086 INFO L225 Difference]: With dead ends: 281 [2020-07-17 11:35:35,086 INFO L226 Difference]: Without dead ends: 177 [2020-07-17 11:35:35,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:35:35,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-07-17 11:35:35,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 147. [2020-07-17 11:35:35,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-07-17 11:35:35,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2020-07-17 11:35:35,133 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 47 [2020-07-17 11:35:35,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:35,134 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2020-07-17 11:35:35,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:35:35,134 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2020-07-17 11:35:35,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 11:35:35,136 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:35,136 INFO L422 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] [2020-07-17 11:35:35,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:35:35,137 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:35,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:35,137 INFO L82 PathProgramCache]: Analyzing trace with hash -396868600, now seen corresponding path program 1 times [2020-07-17 11:35:35,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:35,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123122375] [2020-07-17 11:35:35,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,525 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:35,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123122375] [2020-07-17 11:35:35,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:35:35,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:35:35,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745033360] [2020-07-17 11:35:35,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:35:35,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:35,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:35:35,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:35:35,634 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 8 states. [2020-07-17 11:35:36,058 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:36,348 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:36,600 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:36,858 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:37,646 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:35:39,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:39,888 INFO L93 Difference]: Finished difference Result 500 states and 619 transitions. [2020-07-17 11:35:39,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:35:39,889 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-17 11:35:39,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:39,895 INFO L225 Difference]: With dead ends: 500 [2020-07-17 11:35:39,895 INFO L226 Difference]: Without dead ends: 377 [2020-07-17 11:35:39,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:35:39,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-07-17 11:35:39,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 308. [2020-07-17 11:35:39,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-07-17 11:35:39,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 372 transitions. [2020-07-17 11:35:39,974 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 372 transitions. Word has length 52 [2020-07-17 11:35:39,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:39,975 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 372 transitions. [2020-07-17 11:35:39,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:35:39,975 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 372 transitions. [2020-07-17 11:35:39,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-17 11:35:39,978 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:39,978 INFO L422 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] [2020-07-17 11:35:39,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:35:39,978 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:39,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:39,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1317156286, now seen corresponding path program 1 times [2020-07-17 11:35:39,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:39,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781039589] [2020-07-17 11:35:39,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:40,342 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:40,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:40,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781039589] [2020-07-17 11:35:40,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:35:40,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:35:40,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239669357] [2020-07-17 11:35:40,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:35:40,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:40,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:35:40,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:35:40,469 INFO L87 Difference]: Start difference. First operand 308 states and 372 transitions. Second operand 12 states. [2020-07-17 11:35:41,006 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:41,323 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:41,582 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:41,855 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:42,398 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:35:43,300 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:43,662 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:43,991 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:44,252 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:35:44,558 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:44,927 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:45,304 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:45,688 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:47,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:47,960 INFO L93 Difference]: Finished difference Result 1257 states and 1722 transitions. [2020-07-17 11:35:47,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 11:35:47,963 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-17 11:35:47,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:47,972 INFO L225 Difference]: With dead ends: 1257 [2020-07-17 11:35:47,972 INFO L226 Difference]: Without dead ends: 973 [2020-07-17 11:35:47,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-17 11:35:47,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2020-07-17 11:35:48,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 872. [2020-07-17 11:35:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 872 states. [2020-07-17 11:35:48,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1114 transitions. [2020-07-17 11:35:48,194 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1114 transitions. Word has length 57 [2020-07-17 11:35:48,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:48,194 INFO L479 AbstractCegarLoop]: Abstraction has 872 states and 1114 transitions. [2020-07-17 11:35:48,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:35:48,195 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1114 transitions. [2020-07-17 11:35:48,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-17 11:35:48,199 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:48,199 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:35:48,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:35:48,200 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:48,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:48,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1811637144, now seen corresponding path program 1 times [2020-07-17 11:35:48,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:48,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739940470] [2020-07-17 11:35:48,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:48,459 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:48,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:48,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739940470] [2020-07-17 11:35:48,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:35:48,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 11:35:48,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078040751] [2020-07-17 11:35:48,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:35:48,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:48,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:35:48,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 11:35:48,553 INFO L87 Difference]: Start difference. First operand 872 states and 1114 transitions. Second operand 6 states. [2020-07-17 11:35:48,866 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:50,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:50,978 INFO L93 Difference]: Finished difference Result 2053 states and 2819 transitions. [2020-07-17 11:35:50,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 11:35:50,979 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-17 11:35:50,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:50,986 INFO L225 Difference]: With dead ends: 2053 [2020-07-17 11:35:50,987 INFO L226 Difference]: Without dead ends: 1205 [2020-07-17 11:35:50,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:35:50,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2020-07-17 11:35:51,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1114. [2020-07-17 11:35:51,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1114 states. [2020-07-17 11:35:51,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1402 transitions. [2020-07-17 11:35:51,199 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1402 transitions. Word has length 61 [2020-07-17 11:35:51,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:51,200 INFO L479 AbstractCegarLoop]: Abstraction has 1114 states and 1402 transitions. [2020-07-17 11:35:51,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:35:51,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1402 transitions. [2020-07-17 11:35:51,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-17 11:35:51,203 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:51,203 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:35:51,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:35:51,204 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:51,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:51,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1078445760, now seen corresponding path program 1 times [2020-07-17 11:35:51,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:51,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701582834] [2020-07-17 11:35:51,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:51,483 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-17 11:35:51,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701582834] [2020-07-17 11:35:51,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137527607] [2020-07-17 11:35:51,628 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 [2020-07-17 11:35:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:51,862 INFO L264 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-17 11:35:51,874 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:35:51,982 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:35:51,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:35:51,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-17 11:35:51,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912082391] [2020-07-17 11:35:51,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:35:51,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:51,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:35:51,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:35:51,988 INFO L87 Difference]: Start difference. First operand 1114 states and 1402 transitions. Second operand 12 states. [2020-07-17 11:35:52,607 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-17 11:35:53,189 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:55,372 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:55,782 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:59,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:59,363 INFO L93 Difference]: Finished difference Result 2970 states and 4055 transitions. [2020-07-17 11:35:59,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-17 11:35:59,364 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-17 11:35:59,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:59,378 INFO L225 Difference]: With dead ends: 2970 [2020-07-17 11:35:59,379 INFO L226 Difference]: Without dead ends: 2145 [2020-07-17 11:35:59,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=274, Invalid=986, Unknown=0, NotChecked=0, Total=1260 [2020-07-17 11:35:59,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2020-07-17 11:35:59,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 1957. [2020-07-17 11:35:59,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1957 states. [2020-07-17 11:35:59,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 2499 transitions. [2020-07-17 11:35:59,875 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 2499 transitions. Word has length 89 [2020-07-17 11:35:59,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:59,877 INFO L479 AbstractCegarLoop]: Abstraction has 1957 states and 2499 transitions. [2020-07-17 11:35:59,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:35:59,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2499 transitions. [2020-07-17 11:35:59,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-17 11:35:59,883 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:59,883 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:36:00,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-17 11:36:00,097 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:36:00,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:36:00,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1688312402, now seen corresponding path program 1 times [2020-07-17 11:36:00,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:36:00,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684523683] [2020-07-17 11:36:00,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:36:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,410 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:36:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,624 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-17 11:36:00,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684523683] [2020-07-17 11:36:00,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782155518] [2020-07-17 11:36:00,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:00,802 INFO L264 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-17 11:36:00,809 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:36:00,888 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-17 11:36:00,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:36:00,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2020-07-17 11:36:00,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601368642] [2020-07-17 11:36:00,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:36:00,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:36:00,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:36:00,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:36:00,891 INFO L87 Difference]: Start difference. First operand 1957 states and 2499 transitions. Second operand 6 states. [2020-07-17 11:36:01,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:36:01,424 INFO L93 Difference]: Finished difference Result 2000 states and 2553 transitions. [2020-07-17 11:36:01,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:36:01,424 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2020-07-17 11:36:01,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:36:01,436 INFO L225 Difference]: With dead ends: 2000 [2020-07-17 11:36:01,436 INFO L226 Difference]: Without dead ends: 1997 [2020-07-17 11:36:01,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:36:01,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2020-07-17 11:36:01,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1957. [2020-07-17 11:36:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1957 states. [2020-07-17 11:36:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 2487 transitions. [2020-07-17 11:36:01,883 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 2487 transitions. Word has length 133 [2020-07-17 11:36:01,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:36:01,884 INFO L479 AbstractCegarLoop]: Abstraction has 1957 states and 2487 transitions. [2020-07-17 11:36:01,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:36:01,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2487 transitions. [2020-07-17 11:36:01,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-17 11:36:01,889 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:36:01,890 INFO L422 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:36:02,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:02,105 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:36:02,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:36:02,106 INFO L82 PathProgramCache]: Analyzing trace with hash -629504636, now seen corresponding path program 1 times [2020-07-17 11:36:02,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:36:02,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893098701] [2020-07-17 11:36:02,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:36:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,409 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:36:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-17 11:36:02,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893098701] [2020-07-17 11:36:02,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191724220] [2020-07-17 11:36:02,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,976 INFO L264 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 11:36:02,982 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:36:03,081 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-17 11:36:03,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:36:03,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-07-17 11:36:03,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436513039] [2020-07-17 11:36:03,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 11:36:03,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:36:03,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 11:36:03,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:36:03,084 INFO L87 Difference]: Start difference. First operand 1957 states and 2487 transitions. Second operand 13 states. [2020-07-17 11:36:04,036 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:36:04,640 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:36:04,885 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:36:05,144 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:36:05,425 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:36:06,046 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:36:07,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:36:07,908 INFO L93 Difference]: Finished difference Result 4071 states and 5303 transitions. [2020-07-17 11:36:07,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 11:36:07,909 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 146 [2020-07-17 11:36:07,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:36:07,924 INFO L225 Difference]: With dead ends: 4071 [2020-07-17 11:36:07,924 INFO L226 Difference]: Without dead ends: 2138 [2020-07-17 11:36:07,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=150, Invalid=500, Unknown=0, NotChecked=0, Total=650 [2020-07-17 11:36:07,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2020-07-17 11:36:08,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 2096. [2020-07-17 11:36:08,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2096 states. [2020-07-17 11:36:08,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 2508 transitions. [2020-07-17 11:36:08,335 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 2508 transitions. Word has length 146 [2020-07-17 11:36:08,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:36:08,339 INFO L479 AbstractCegarLoop]: Abstraction has 2096 states and 2508 transitions. [2020-07-17 11:36:08,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 11:36:08,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2508 transitions. [2020-07-17 11:36:08,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-17 11:36:08,349 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:36:08,350 INFO L422 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:36:08,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:08,563 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:36:08,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:36:08,564 INFO L82 PathProgramCache]: Analyzing trace with hash 497525520, now seen corresponding path program 1 times [2020-07-17 11:36:08,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:36:08,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166381050] [2020-07-17 11:36:08,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:36:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,913 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:36:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-17 11:36:09,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166381050] [2020-07-17 11:36:09,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905646579] [2020-07-17 11:36:09,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:09,511 INFO L264 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-17 11:36:09,521 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:36:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-17 11:36:09,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:36:09,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 12 [2020-07-17 11:36:09,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470402030] [2020-07-17 11:36:09,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:36:09,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:36:09,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:36:09,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:36:09,655 INFO L87 Difference]: Start difference. First operand 2096 states and 2508 transitions. Second operand 5 states. [2020-07-17 11:36:10,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:36:10,202 INFO L93 Difference]: Finished difference Result 3831 states and 4644 transitions. [2020-07-17 11:36:10,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 11:36:10,203 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-07-17 11:36:10,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:36:10,218 INFO L225 Difference]: With dead ends: 3831 [2020-07-17 11:36:10,219 INFO L226 Difference]: Without dead ends: 1776 [2020-07-17 11:36:10,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:36:10,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2020-07-17 11:36:10,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1764. [2020-07-17 11:36:10,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1764 states. [2020-07-17 11:36:10,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1764 states and 2086 transitions. [2020-07-17 11:36:10,666 INFO L78 Accepts]: Start accepts. Automaton has 1764 states and 2086 transitions. Word has length 155 [2020-07-17 11:36:10,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:36:10,666 INFO L479 AbstractCegarLoop]: Abstraction has 1764 states and 2086 transitions. [2020-07-17 11:36:10,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:36:10,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2086 transitions. [2020-07-17 11:36:10,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-17 11:36:10,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:36:10,670 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:36:10,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:10,884 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:36:10,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:36:10,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1745517035, now seen corresponding path program 1 times [2020-07-17 11:36:10,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:36:10,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988434117] [2020-07-17 11:36:10,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:36:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,240 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:36:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,489 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-17 11:36:11,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988434117] [2020-07-17 11:36:11,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249351196] [2020-07-17 11:36:11,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:11,798 INFO L264 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-17 11:36:11,807 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:36:11,876 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:36:11,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:36:11,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 14 [2020-07-17 11:36:11,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847664839] [2020-07-17 11:36:11,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 11:36:11,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:36:11,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 11:36:11,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:36:11,878 INFO L87 Difference]: Start difference. First operand 1764 states and 2086 transitions. Second operand 14 states. [2020-07-17 11:36:12,396 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:36:13,008 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:36:13,798 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2020-07-17 11:36:14,082 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:36:14,334 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:36:14,821 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-07-17 11:36:15,098 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:36:15,369 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:36:17,459 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:36:18,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:36:18,997 INFO L93 Difference]: Finished difference Result 3490 states and 4329 transitions. [2020-07-17 11:36:18,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-17 11:36:18,997 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 159 [2020-07-17 11:36:18,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:36:19,010 INFO L225 Difference]: With dead ends: 3490 [2020-07-17 11:36:19,010 INFO L226 Difference]: Without dead ends: 1992 [2020-07-17 11:36:19,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 216 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=319, Invalid=803, Unknown=0, NotChecked=0, Total=1122 [2020-07-17 11:36:19,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2020-07-17 11:36:19,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1710. [2020-07-17 11:36:19,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1710 states. [2020-07-17 11:36:19,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 2021 transitions. [2020-07-17 11:36:19,333 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 2021 transitions. Word has length 159 [2020-07-17 11:36:19,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:36:19,334 INFO L479 AbstractCegarLoop]: Abstraction has 1710 states and 2021 transitions. [2020-07-17 11:36:19,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 11:36:19,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2021 transitions. [2020-07-17 11:36:19,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-07-17 11:36:19,340 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:36:19,341 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:36:19,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 11:36:19,557 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:36:19,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:36:19,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1602854524, now seen corresponding path program 2 times [2020-07-17 11:36:19,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:36:19,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805779061] [2020-07-17 11:36:19,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:36:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:19,933 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:36:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 49 proven. 31 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-07-17 11:36:20,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805779061] [2020-07-17 11:36:20,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985092858] [2020-07-17 11:36:20,295 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:20,588 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-17 11:36:20,588 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-17 11:36:20,593 INFO L264 TraceCheckSpWp]: Trace formula consists of 1077 conjuncts, 19 conjunts are in the unsatisfiable core [2020-07-17 11:36:20,599 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:36:20,667 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-17 11:36:20,667 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 11:36:20,855 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 90 proven. 29 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-17 11:36:20,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:36:20,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 23 [2020-07-17 11:36:20,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322661453] [2020-07-17 11:36:20,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-17 11:36:20,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:36:20,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-17 11:36:20,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2020-07-17 11:36:20,858 INFO L87 Difference]: Start difference. First operand 1710 states and 2021 transitions. Second operand 23 states. [2020-07-17 11:36:22,346 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:36:22,702 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:36:25,512 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:36:25,799 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:36:26,073 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:36:26,625 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-07-17 11:36:27,132 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-07-17 11:36:29,178 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-07-17 11:36:30,548 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-07-17 11:36:31,083 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-07-17 11:36:31,622 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-07-17 11:36:32,165 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-07-17 11:36:32,718 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-07-17 11:36:33,295 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-07-17 11:36:33,877 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2020-07-17 11:36:34,943 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-07-17 11:36:35,461 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:36:35,936 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:36:37,684 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-07-17 11:36:38,187 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-07-17 11:36:38,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:36:38,972 INFO L93 Difference]: Finished difference Result 4958 states and 6164 transitions. [2020-07-17 11:36:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-07-17 11:36:38,973 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 229 [2020-07-17 11:36:38,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:36:38,993 INFO L225 Difference]: With dead ends: 4958 [2020-07-17 11:36:38,994 INFO L226 Difference]: Without dead ends: 3502 [2020-07-17 11:36:39,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 312 SyntacticMatches, 9 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1056 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=754, Invalid=3278, Unknown=0, NotChecked=0, Total=4032 [2020-07-17 11:36:39,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3502 states. [2020-07-17 11:36:39,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3502 to 2945. [2020-07-17 11:36:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2945 states. [2020-07-17 11:36:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 2945 states and 3441 transitions. [2020-07-17 11:36:39,585 INFO L78 Accepts]: Start accepts. Automaton has 2945 states and 3441 transitions. Word has length 229 [2020-07-17 11:36:39,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:36:39,586 INFO L479 AbstractCegarLoop]: Abstraction has 2945 states and 3441 transitions. [2020-07-17 11:36:39,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-17 11:36:39,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2945 states and 3441 transitions. [2020-07-17 11:36:39,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-07-17 11:36:39,594 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:36:39,595 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:36:39,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:39,808 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:36:39,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:36:39,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1302818758, now seen corresponding path program 1 times [2020-07-17 11:36:39,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:36:39,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892425848] [2020-07-17 11:36:39,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:36:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,105 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:36:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,361 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-07-17 11:36:40,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892425848] [2020-07-17 11:36:40,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930010342] [2020-07-17 11:36:40,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:40,623 INFO L264 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 11:36:40,631 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:36:40,686 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-07-17 11:36:40,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:36:40,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 13 [2020-07-17 11:36:40,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831814173] [2020-07-17 11:36:40,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:36:40,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:36:40,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:36:40,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:36:40,693 INFO L87 Difference]: Start difference. First operand 2945 states and 3441 transitions. Second operand 6 states. [2020-07-17 11:36:40,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:36:40,990 INFO L93 Difference]: Finished difference Result 3756 states and 4393 transitions. [2020-07-17 11:36:40,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 11:36:40,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 229 [2020-07-17 11:36:40,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:36:40,992 INFO L225 Difference]: With dead ends: 3756 [2020-07-17 11:36:40,992 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:36:41,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:36:41,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:36:41,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:36:41,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:36:41,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:36:41,002 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2020-07-17 11:36:41,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:36:41,002 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:36:41,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:36:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:36:41,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:36:41,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:41,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:36:43,960 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 226 [2020-07-17 11:36:44,502 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 218 [2020-07-17 11:36:46,144 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 218 [2020-07-17 11:36:46,448 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 254 [2020-07-17 11:36:48,835 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 230 [2020-07-17 11:36:49,627 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 267 [2020-07-17 11:36:49,877 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 215 [2020-07-17 11:36:50,373 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 233 [2020-07-17 11:36:51,433 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 26 [2020-07-17 11:36:51,585 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-17 11:36:51,955 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-17 11:36:53,257 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 176 DAG size of output: 22 [2020-07-17 11:36:53,456 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2020-07-17 11:36:54,025 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 16 [2020-07-17 11:36:54,214 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-17 11:36:55,055 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 26 [2020-07-17 11:36:55,604 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 25 [2020-07-17 11:36:56,041 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-17 11:36:56,471 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 24 [2020-07-17 11:36:56,879 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 17 [2020-07-17 11:36:57,501 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 19 [2020-07-17 11:36:57,698 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:36:58,205 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 25 [2020-07-17 11:36:59,649 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-07-17 11:36:59,854 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2020-07-17 11:37:00,451 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 26 [2020-07-17 11:37:00,947 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 27 [2020-07-17 11:37:01,528 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 21 [2020-07-17 11:37:01,958 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 13 [2020-07-17 11:37:02,312 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-17 11:37:02,771 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 23 [2020-07-17 11:37:03,331 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 20 [2020-07-17 11:37:03,673 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-17 11:37:03,855 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2020-07-17 11:37:04,020 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-07-17 11:37:04,578 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 20 [2020-07-17 11:37:05,108 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 20 [2020-07-17 11:37:05,259 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-17 11:37:05,604 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 14 [2020-07-17 11:37:06,020 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 20 [2020-07-17 11:37:06,181 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-07-17 11:37:06,552 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-17 11:37:06,716 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-07-17 11:37:07,094 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 17 [2020-07-17 11:37:07,537 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 24 [2020-07-17 11:37:07,667 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-07-17 11:37:08,693 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 217 DAG size of output: 31 [2020-07-17 11:37:08,829 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-17 11:37:09,169 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-17 11:37:09,753 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 31 [2020-07-17 11:37:10,107 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-17 11:37:10,272 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-07-17 11:37:10,668 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-17 11:37:11,092 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 17 [2020-07-17 11:37:11,198 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-17 11:37:11,453 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-07-17 11:37:11,761 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 13 [2020-07-17 11:37:12,192 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 17 [2020-07-17 11:37:12,476 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 11 [2020-07-17 11:37:12,644 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-07-17 11:37:12,907 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 27 [2020-07-17 11:37:13,405 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 25 [2020-07-17 11:37:13,653 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 15 [2020-07-17 11:37:13,658 INFO L268 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-07-17 11:37:13,658 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 386) no Hoare annotation was computed. [2020-07-17 11:37:13,659 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-07-17 11:37:13,659 INFO L268 CegarLoopResult]: For program point L376-2(lines 376 397) no Hoare annotation was computed. [2020-07-17 11:37:13,659 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 351 406) no Hoare annotation was computed. [2020-07-17 11:37:13,659 INFO L268 CegarLoopResult]: For program point L398(lines 375 399) no Hoare annotation was computed. [2020-07-17 11:37:13,659 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 351 406) no Hoare annotation was computed. [2020-07-17 11:37:13,659 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 351 406) no Hoare annotation was computed. [2020-07-17 11:37:13,659 INFO L268 CegarLoopResult]: For program point L439(lines 439 443) no Hoare annotation was computed. [2020-07-17 11:37:13,659 INFO L268 CegarLoopResult]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2020-07-17 11:37:13,660 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 407 466) no Hoare annotation was computed. [2020-07-17 11:37:13,660 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-17 11:37:13,660 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 458) no Hoare annotation was computed. [2020-07-17 11:37:13,660 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 407 466) no Hoare annotation was computed. [2020-07-17 11:37:13,660 INFO L268 CegarLoopResult]: For program point L459(lines 432 460) no Hoare annotation was computed. [2020-07-17 11:37:13,660 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 407 466) no Hoare annotation was computed. [2020-07-17 11:37:13,660 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-17 11:37:13,660 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-07-17 11:37:13,661 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2020-07-17 11:37:13,661 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2020-07-17 11:37:13,661 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2020-07-17 11:37:13,661 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2020-07-17 11:37:13,661 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2020-07-17 11:37:13,661 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 739 763) the Hoare annotation is: true [2020-07-17 11:37:13,661 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 739 763) no Hoare annotation was computed. [2020-07-17 11:37:13,662 INFO L264 CegarLoopResult]: At program point L753(line 753) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) (or (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)))) [2020-07-17 11:37:13,662 INFO L268 CegarLoopResult]: For program point L751(lines 751 757) no Hoare annotation was computed. [2020-07-17 11:37:13,662 INFO L264 CegarLoopResult]: At program point L749(line 749) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) (or (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)))) [2020-07-17 11:37:13,662 INFO L268 CegarLoopResult]: For program point L749-1(line 749) no Hoare annotation was computed. [2020-07-17 11:37:13,662 INFO L268 CegarLoopResult]: For program point L747(lines 747 760) no Hoare annotation was computed. [2020-07-17 11:37:13,662 INFO L268 CegarLoopResult]: For program point L747-1(lines 739 763) no Hoare annotation was computed. [2020-07-17 11:37:13,662 INFO L271 CegarLoopResult]: At program point L745(line 745) the Hoare annotation is: true [2020-07-17 11:37:13,663 INFO L268 CegarLoopResult]: For program point L745-1(line 745) no Hoare annotation was computed. [2020-07-17 11:37:13,663 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 840 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:37:13,663 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 840 862) no Hoare annotation was computed. [2020-07-17 11:37:13,663 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0))) [2020-07-17 11:37:13,663 INFO L264 CegarLoopResult]: At program point L852-1(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0))) [2020-07-17 11:37:13,663 INFO L268 CegarLoopResult]: For program point L850(lines 850 857) no Hoare annotation was computed. [2020-07-17 11:37:13,663 INFO L268 CegarLoopResult]: For program point L850-1(lines 850 857) no Hoare annotation was computed. [2020-07-17 11:37:13,664 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-07-17 11:37:13,664 INFO L264 CegarLoopResult]: At program point L847(line 847) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:37:13,664 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:37:13,664 INFO L264 CegarLoopResult]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:37:13,664 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 840 862) no Hoare annotation was computed. [2020-07-17 11:37:13,664 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-17 11:37:13,664 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 796 819) no Hoare annotation was computed. [2020-07-17 11:37:13,664 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 796 819) no Hoare annotation was computed. [2020-07-17 11:37:13,665 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 796 819) no Hoare annotation was computed. [2020-07-17 11:37:13,665 INFO L268 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-07-17 11:37:13,665 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-17 11:37:13,665 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-07-17 11:37:13,665 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-07-17 11:37:13,665 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-07-17 11:37:13,665 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-07-17 11:37:13,665 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-07-17 11:37:13,665 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-07-17 11:37:13,665 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-17 11:37:13,665 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-17 11:37:13,665 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-17 11:37:13,665 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-17 11:37:13,665 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-17 11:37:13,665 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 275 289) no Hoare annotation was computed. [2020-07-17 11:37:13,666 INFO L264 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) (or (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) (= 0 |old(~systemActive~0)|) (not (<= 2 ~waterLevel~0)))) [2020-07-17 11:37:13,666 INFO L268 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2020-07-17 11:37:13,666 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 275 289) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) (= 0 |old(~systemActive~0)|) (not (<= 2 ~waterLevel~0))))) [2020-07-17 11:37:13,666 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 275 289) no Hoare annotation was computed. [2020-07-17 11:37:13,666 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 192 200) no Hoare annotation was computed. [2020-07-17 11:37:13,666 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 192 200) the Hoare annotation is: true [2020-07-17 11:37:13,666 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 192 200) no Hoare annotation was computed. [2020-07-17 11:37:13,666 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 256 274) the Hoare annotation is: true [2020-07-17 11:37:13,666 INFO L268 CegarLoopResult]: For program point L265(lines 265 269) no Hoare annotation was computed. [2020-07-17 11:37:13,666 INFO L271 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: true [2020-07-17 11:37:13,666 INFO L268 CegarLoopResult]: For program point L265-2(lines 265 269) no Hoare annotation was computed. [2020-07-17 11:37:13,666 INFO L268 CegarLoopResult]: For program point L263-1(line 263) no Hoare annotation was computed. [2020-07-17 11:37:13,667 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 256 274) no Hoare annotation was computed. [2020-07-17 11:37:13,667 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 256 274) no Hoare annotation was computed. [2020-07-17 11:37:13,667 INFO L268 CegarLoopResult]: For program point L220(lines 220 228) no Hoare annotation was computed. [2020-07-17 11:37:13,667 INFO L268 CegarLoopResult]: For program point L220-2(lines 220 228) no Hoare annotation was computed. [2020-07-17 11:37:13,667 INFO L268 CegarLoopResult]: For program point L208(lines 208 216) no Hoare annotation was computed. [2020-07-17 11:37:13,667 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 201 236) no Hoare annotation was computed. [2020-07-17 11:37:13,667 INFO L268 CegarLoopResult]: For program point L208-2(lines 208 216) no Hoare annotation was computed. [2020-07-17 11:37:13,667 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-07-17 11:37:13,667 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 201 236) no Hoare annotation was computed. [2020-07-17 11:37:13,667 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-07-17 11:37:13,667 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 201 236) no Hoare annotation was computed. [2020-07-17 11:37:13,667 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2020-07-17 11:37:13,668 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2020-07-17 11:37:13,668 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 305 350) no Hoare annotation was computed. [2020-07-17 11:37:13,668 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 305 350) no Hoare annotation was computed. [2020-07-17 11:37:13,668 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 305 350) no Hoare annotation was computed. [2020-07-17 11:37:13,668 INFO L268 CegarLoopResult]: For program point L638(lines 638 645) no Hoare annotation was computed. [2020-07-17 11:37:13,668 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 618 663) no Hoare annotation was computed. [2020-07-17 11:37:13,668 INFO L268 CegarLoopResult]: For program point L632(lines 632 652) no Hoare annotation was computed. [2020-07-17 11:37:13,668 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 652) no Hoare annotation was computed. [2020-07-17 11:37:13,668 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 618 663) no Hoare annotation was computed. [2020-07-17 11:37:13,669 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 618 663) no Hoare annotation was computed. [2020-07-17 11:37:13,669 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 827 836) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:37:13,669 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 827 836) no Hoare annotation was computed. [2020-07-17 11:37:13,669 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 827 836) no Hoare annotation was computed. [2020-07-17 11:37:13,669 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 181 191) the Hoare annotation is: true [2020-07-17 11:37:13,669 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 181 191) no Hoare annotation was computed. [2020-07-17 11:37:13,669 INFO L271 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: true [2020-07-17 11:37:13,669 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-07-17 11:37:13,669 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 181 191) no Hoare annotation was computed. [2020-07-17 11:37:13,669 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 173 180) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-07-17 11:37:13,670 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 173 180) no Hoare annotation was computed. [2020-07-17 11:37:13,670 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 173 180) no Hoare annotation was computed. [2020-07-17 11:37:13,670 INFO L268 CegarLoopResult]: For program point L956(lines 956 962) no Hoare annotation was computed. [2020-07-17 11:37:13,670 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 952 965) no Hoare annotation was computed. [2020-07-17 11:37:13,670 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 952 965) the Hoare annotation is: true [2020-07-17 11:37:13,670 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 952 965) no Hoare annotation was computed. [2020-07-17 11:37:13,670 INFO L264 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 1 ~waterLevel~0)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-17 11:37:13,670 INFO L268 CegarLoopResult]: For program point L159-1(lines 140 164) no Hoare annotation was computed. [2020-07-17 11:37:13,670 INFO L264 CegarLoopResult]: At program point L154(line 154) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2020-07-17 11:37:13,670 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 140 164) no Hoare annotation was computed. [2020-07-17 11:37:13,670 INFO L264 CegarLoopResult]: At program point L150(line 150) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2020-07-17 11:37:13,670 INFO L268 CegarLoopResult]: For program point L148(lines 148 156) no Hoare annotation was computed. [2020-07-17 11:37:13,671 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 140 164) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2020-07-17 11:37:13,671 INFO L264 CegarLoopResult]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2020-07-17 11:37:13,671 INFO L268 CegarLoopResult]: For program point L146-1(line 146) no Hoare annotation was computed. [2020-07-17 11:37:13,671 INFO L268 CegarLoopResult]: For program point L144(lines 144 161) no Hoare annotation was computed. [2020-07-17 11:37:13,671 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 80 86) no Hoare annotation was computed. [2020-07-17 11:37:13,671 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 80 86) the Hoare annotation is: true [2020-07-17 11:37:13,671 INFO L264 CegarLoopResult]: At program point testENTRY(lines 668 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:37:13,671 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 .cse2 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) (<= 1 ~pumpRunning~0)))) [2020-07-17 11:37:13,671 INFO L268 CegarLoopResult]: For program point L698(lines 698 704) no Hoare annotation was computed. [2020-07-17 11:37:13,671 INFO L268 CegarLoopResult]: For program point L698-1(lines 698 704) no Hoare annotation was computed. [2020-07-17 11:37:13,671 INFO L268 CegarLoopResult]: For program point testFINAL(lines 668 735) no Hoare annotation was computed. [2020-07-17 11:37:13,672 INFO L264 CegarLoopResult]: At program point L725(lines 678 727) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 (= 1 ~waterLevel~0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) (<= 1 ~pumpRunning~0)))) [2020-07-17 11:37:13,672 INFO L264 CegarLoopResult]: At program point L690(line 690) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 .cse2 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) (<= 1 ~pumpRunning~0)))) [2020-07-17 11:37:13,672 INFO L268 CegarLoopResult]: For program point L688(lines 688 694) no Hoare annotation was computed. [2020-07-17 11:37:13,672 INFO L268 CegarLoopResult]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2020-07-17 11:37:13,672 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-07-17 11:37:13,672 INFO L264 CegarLoopResult]: At program point L728(lines 677 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:37:13,672 INFO L264 CegarLoopResult]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) (<= 1 ~pumpRunning~0)) (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 ~waterLevel~0)))) [2020-07-17 11:37:13,672 INFO L268 CegarLoopResult]: For program point L716(lines 716 722) no Hoare annotation was computed. [2020-07-17 11:37:13,672 INFO L264 CegarLoopResult]: At program point L716-1(lines 708 723) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 .cse2 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) (<= 1 ~pumpRunning~0)))) [2020-07-17 11:37:13,672 INFO L268 CegarLoopResult]: For program point L679(lines 678 727) no Hoare annotation was computed. [2020-07-17 11:37:13,673 INFO L264 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 (<= 1 ~pumpRunning~0)))) [2020-07-17 11:37:13,673 INFO L268 CegarLoopResult]: For program point L708(lines 708 723) no Hoare annotation was computed. [2020-07-17 11:37:13,673 INFO L268 CegarLoopResult]: For program point testEXIT(lines 668 735) no Hoare annotation was computed. [2020-07-17 11:37:13,673 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 572 617) no Hoare annotation was computed. [2020-07-17 11:37:13,673 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 572 617) no Hoare annotation was computed. [2020-07-17 11:37:13,673 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 572 617) no Hoare annotation was computed. [2020-07-17 11:37:13,673 INFO L268 CegarLoopResult]: For program point L592(lines 592 599) no Hoare annotation was computed. [2020-07-17 11:37:13,673 INFO L268 CegarLoopResult]: For program point L586(lines 586 606) no Hoare annotation was computed. [2020-07-17 11:37:13,673 INFO L268 CegarLoopResult]: For program point L586-1(lines 586 606) no Hoare annotation was computed. [2020-07-17 11:37:13,673 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 966 974) no Hoare annotation was computed. [2020-07-17 11:37:13,673 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 966 974) the Hoare annotation is: true [2020-07-17 11:37:13,673 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 966 974) no Hoare annotation was computed. [2020-07-17 11:37:13,673 INFO L268 CegarLoopResult]: For program point L928(lines 928 936) no Hoare annotation was computed. [2020-07-17 11:37:13,673 INFO L268 CegarLoopResult]: For program point L928-2(lines 928 936) no Hoare annotation was computed. [2020-07-17 11:37:13,674 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 920 942) no Hoare annotation was computed. [2020-07-17 11:37:13,674 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 920 942) no Hoare annotation was computed. [2020-07-17 11:37:13,674 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 920 942) no Hoare annotation was computed. [2020-07-17 11:37:13,674 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 469 571) no Hoare annotation was computed. [2020-07-17 11:37:13,674 INFO L268 CegarLoopResult]: For program point L539(lines 517 540) no Hoare annotation was computed. [2020-07-17 11:37:13,674 INFO L268 CegarLoopResult]: For program point L498(lines 498 514) no Hoare annotation was computed. [2020-07-17 11:37:13,674 INFO L268 CegarLoopResult]: For program point L558(lines 558 565) no Hoare annotation was computed. [2020-07-17 11:37:13,674 INFO L268 CegarLoopResult]: For program point L519(lines 518 538) no Hoare annotation was computed. [2020-07-17 11:37:13,674 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-17 11:37:13,674 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 469 571) no Hoare annotation was computed. [2020-07-17 11:37:13,674 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-07-17 11:37:13,674 INFO L268 CegarLoopResult]: For program point L515(lines 515 556) no Hoare annotation was computed. [2020-07-17 11:37:13,674 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-07-17 11:37:13,675 INFO L268 CegarLoopResult]: For program point L534-1(line 534) no Hoare annotation was computed. [2020-07-17 11:37:13,675 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 469 571) no Hoare annotation was computed. [2020-07-17 11:37:13,675 INFO L268 CegarLoopResult]: For program point L493(lines 493 497) no Hoare annotation was computed. [2020-07-17 11:37:13,675 INFO L268 CegarLoopResult]: For program point L557(lines 557 568) no Hoare annotation was computed. [2020-07-17 11:37:13,675 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-07-17 11:37:13,675 INFO L268 CegarLoopResult]: For program point L518-2(lines 518 538) no Hoare annotation was computed. [2020-07-17 11:37:13,675 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 977 986) no Hoare annotation was computed. [2020-07-17 11:37:13,675 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 977 986) no Hoare annotation was computed. [2020-07-17 11:37:13,675 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 977 986) no Hoare annotation was computed. [2020-07-17 11:37:13,675 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:37:13,676 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-17 11:37:13,676 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:37:13,676 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 165 172) no Hoare annotation was computed. [2020-07-17 11:37:13,676 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 165 172) no Hoare annotation was computed. [2020-07-17 11:37:13,676 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 165 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-17 11:37:13,676 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 237 255) no Hoare annotation was computed. [2020-07-17 11:37:13,676 INFO L268 CegarLoopResult]: For program point L246(lines 246 250) no Hoare annotation was computed. [2020-07-17 11:37:13,676 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 237 255) the Hoare annotation is: true [2020-07-17 11:37:13,676 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 237 255) no Hoare annotation was computed. [2020-07-17 11:37:13,676 INFO L271 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: true [2020-07-17 11:37:13,676 INFO L268 CegarLoopResult]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2020-07-17 11:37:13,677 INFO L268 CegarLoopResult]: For program point L244-1(line 244) no Hoare annotation was computed. [2020-07-17 11:37:13,677 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 943 951) the Hoare annotation is: true [2020-07-17 11:37:13,677 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 943 951) no Hoare annotation was computed. [2020-07-17 11:37:13,677 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 943 951) no Hoare annotation was computed. [2020-07-17 11:37:13,677 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:37:13,677 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:37:13,677 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:37:13,677 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 899 910) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))) (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-17 11:37:13,677 INFO L268 CegarLoopResult]: For program point L903-1(lines 899 910) no Hoare annotation was computed. [2020-07-17 11:37:13,677 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 899 910) no Hoare annotation was computed. [2020-07-17 11:37:13,678 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 911 919) the Hoare annotation is: true [2020-07-17 11:37:13,678 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 911 919) no Hoare annotation was computed. [2020-07-17 11:37:13,678 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 911 919) no Hoare annotation was computed. [2020-07-17 11:37:13,678 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1) (or .cse0 (not (= 1 |old(~waterLevel~0)|))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2020-07-17 11:37:13,678 INFO L268 CegarLoopResult]: For program point L60(lines 59 78) no Hoare annotation was computed. [2020-07-17 11:37:13,678 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 56 79) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|))) (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-17 11:37:13,678 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 56 79) no Hoare annotation was computed. [2020-07-17 11:37:13,678 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 56 79) no Hoare annotation was computed. [2020-07-17 11:37:13,678 INFO L264 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (and (not .cse2) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (let ((.cse3 (+ ~waterLevel~0 1))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| .cse3) (<= .cse3 |old(~waterLevel~0)|))) .cse4) (or .cse0 .cse4 .cse1)))) [2020-07-17 11:37:13,679 INFO L264 CegarLoopResult]: At program point L67(lines 67 73) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse1) (and (<= 2 ~waterLevel~0) (not .cse2) .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (let ((.cse3 (+ ~waterLevel~0 1))) (and (<= |old(~waterLevel~0)| .cse3) .cse0 (<= .cse3 |old(~waterLevel~0)|))) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-17 11:37:13,679 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 766 795) no Hoare annotation was computed. [2020-07-17 11:37:13,679 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 766 795) the Hoare annotation is: true [2020-07-17 11:37:13,679 INFO L271 CegarLoopResult]: At program point L791(lines 766 795) the Hoare annotation is: true [2020-07-17 11:37:13,679 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-07-17 11:37:13,679 INFO L268 CegarLoopResult]: For program point L780(lines 780 784) no Hoare annotation was computed. [2020-07-17 11:37:13,679 INFO L271 CegarLoopResult]: At program point L780-1(lines 780 784) the Hoare annotation is: true [2020-07-17 11:37:13,679 INFO L268 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-07-17 11:37:13,679 INFO L271 CegarLoopResult]: At program point L776-2(lines 776 790) the Hoare annotation is: true [2020-07-17 11:37:13,680 INFO L271 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: true [2020-07-17 11:37:13,680 INFO L268 CegarLoopResult]: For program point L772-1(line 772) no Hoare annotation was computed. [2020-07-17 11:37:13,680 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 875 886) the Hoare annotation is: (or (= 0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|))) [2020-07-17 11:37:13,680 INFO L268 CegarLoopResult]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2020-07-17 11:37:13,680 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 875 886) no Hoare annotation was computed. [2020-07-17 11:37:13,680 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 820 826) no Hoare annotation was computed. [2020-07-17 11:37:13,680 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 820 826) the Hoare annotation is: true [2020-07-17 11:37:13,680 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:37:13,680 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:37:13,680 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:37:13,680 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:37:13,681 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 290 297) no Hoare annotation was computed. [2020-07-17 11:37:13,681 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 290 297) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))))) [2020-07-17 11:37:13,681 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 290 297) no Hoare annotation was computed. [2020-07-17 11:37:13,681 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 88 112) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-17 11:37:13,681 INFO L268 CegarLoopResult]: For program point L96(lines 96 104) no Hoare annotation was computed. [2020-07-17 11:37:13,681 INFO L264 CegarLoopResult]: At program point L94(line 94) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-17 11:37:13,681 INFO L268 CegarLoopResult]: For program point L94-1(line 94) no Hoare annotation was computed. [2020-07-17 11:37:13,681 INFO L268 CegarLoopResult]: For program point L92(lines 92 109) no Hoare annotation was computed. [2020-07-17 11:37:13,681 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 88 112) no Hoare annotation was computed. [2020-07-17 11:37:13,681 INFO L264 CegarLoopResult]: At program point L107(line 107) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-07-17 11:37:13,681 INFO L268 CegarLoopResult]: For program point L107-1(lines 88 112) no Hoare annotation was computed. [2020-07-17 11:37:13,682 INFO L264 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-17 11:37:13,682 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-07-17 11:37:13,682 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 887 898) no Hoare annotation was computed. [2020-07-17 11:37:13,682 INFO L268 CegarLoopResult]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2020-07-17 11:37:13,682 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 887 898) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) .cse0 (not (<= 1 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-17 11:37:13,682 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 864 871) no Hoare annotation was computed. [2020-07-17 11:37:13,682 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2020-07-17 11:37:13,682 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 864 871) the Hoare annotation is: true [2020-07-17 11:37:13,682 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 864 871) no Hoare annotation was computed. [2020-07-17 11:37:13,682 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-17 11:37:13,682 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 114 138) no Hoare annotation was computed. [2020-07-17 11:37:13,683 INFO L264 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (and (<= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-17 11:37:13,683 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 114 138) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2020-07-17 11:37:13,683 INFO L268 CegarLoopResult]: For program point L122(lines 122 130) no Hoare annotation was computed. [2020-07-17 11:37:13,683 INFO L264 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2020-07-17 11:37:13,683 INFO L268 CegarLoopResult]: For program point L120-1(line 120) no Hoare annotation was computed. [2020-07-17 11:37:13,683 INFO L268 CegarLoopResult]: For program point L118(lines 118 135) no Hoare annotation was computed. [2020-07-17 11:37:13,683 INFO L264 CegarLoopResult]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 1 ~waterLevel~0)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-17 11:37:13,683 INFO L268 CegarLoopResult]: For program point L133-1(lines 114 138) no Hoare annotation was computed. [2020-07-17 11:37:13,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:37:13 BoogieIcfgContainer [2020-07-17 11:37:13,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:37:13,702 INFO L168 Benchmark]: Toolchain (without parser) took 105033.28 ms. Allocated memory was 138.9 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 102.3 MB in the beginning and 347.3 MB in the end (delta: -245.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-07-17 11:37:13,703 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:37:13,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.34 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 170.7 MB in the end (delta: -68.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-07-17 11:37:13,704 INFO L168 Benchmark]: Boogie Preprocessor took 98.85 ms. Allocated memory is still 204.5 MB. Free memory was 170.7 MB in the beginning and 166.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-17 11:37:13,705 INFO L168 Benchmark]: RCFGBuilder took 1184.75 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 166.0 MB in the beginning and 191.1 MB in the end (delta: -25.1 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2020-07-17 11:37:13,706 INFO L168 Benchmark]: TraceAbstraction took 103075.12 ms. Allocated memory was 235.9 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 191.1 MB in the beginning and 347.3 MB in the end (delta: -156.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-07-17 11:37:13,708 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 668.34 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 170.7 MB in the end (delta: -68.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.85 ms. Allocated memory is still 204.5 MB. Free memory was 170.7 MB in the beginning and 166.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1184.75 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 166.0 MB in the beginning and 191.1 MB in the end (delta: -25.1 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 103075.12 ms. Allocated memory was 235.9 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 191.1 MB in the beginning and 347.3 MB in the end (delta: -156.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 868]: 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: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel)) || (((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) && 1 <= pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 70.5s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 56.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 32.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2321 SDtfs, 4800 SDslu, 4218 SDs, 0 SdLazy, 16712 SolverSat, 3989 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1874 GetRequests, 1621 SyntacticMatches, 16 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1885 ImplicationChecksByTransitivity, 23.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2945occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1449 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 5492 PreInvPairs, 5679 NumberOfFragments, 1626 HoareAnnotationTreeSize, 5492 FomulaSimplifications, 4335703 FormulaSimplificationTreeSizeReduction, 9.4s HoareSimplificationTime, 71 FomulaSimplificationsInter, 97335 FormulaSimplificationTreeSizeReductionInter, 22.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 2543 NumberOfCodeBlocks, 2543 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2524 ConstructedInterpolants, 0 QuantifiedInterpolants, 926445 SizeOfPredicates, 22 NumberOfNonLiveVariables, 6462 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 19 InterpolantComputations, 8 PerfectInterpolantSequences, 751/880 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...