/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 --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 20:58:32,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 20:58:32,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 20:58:32,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 20:58:32,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 20:58:32,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 20:58:32,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 20:58:32,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 20:58:32,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 20:58:32,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 20:58:32,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 20:58:32,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 20:58:32,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 20:58:32,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 20:58:32,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 20:58:32,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 20:58:32,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 20:58:32,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 20:58:32,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 20:58:32,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 20:58:32,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 20:58:32,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 20:58:32,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 20:58:32,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 20:58:32,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 20:58:32,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 20:58:32,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 20:58:32,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 20:58:32,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 20:58:32,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 20:58:32,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 20:58:32,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 20:58:32,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 20:58:32,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 20:58:32,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 20:58:32,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 20:58:32,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 20:58:32,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 20:58:32,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 20:58:32,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 20:58:32,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 20:58:32,410 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 [2020-07-19 20:58:32,424 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 20:58:32,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 20:58:32,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 20:58:32,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 20:58:32,426 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 20:58:32,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 20:58:32,427 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 20:58:32,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 20:58:32,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 20:58:32,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 20:58:32,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 20:58:32,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 20:58:32,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 20:58:32,428 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 20:58:32,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 20:58:32,428 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 20:58:32,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 20:58:32,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 20:58:32,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 20:58:32,429 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 20:58:32,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 20:58:32,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 20:58:32,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 20:58:32,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 20:58:32,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 20:58:32,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 20:58:32,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 20:58:32,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 20:58:32,431 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 20:58:32,431 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 20:58:32,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 20:58:32,720 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 20:58:32,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 20:58:32,725 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 20:58:32,726 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 20:58:32,727 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2020-07-19 20:58:32,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7275d9d9c/1a9fe6bcb3024d48b77c2c286f01c4f6/FLAGd631d60c6 [2020-07-19 20:58:33,383 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 20:58:33,384 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2020-07-19 20:58:33,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7275d9d9c/1a9fe6bcb3024d48b77c2c286f01c4f6/FLAGd631d60c6 [2020-07-19 20:58:33,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7275d9d9c/1a9fe6bcb3024d48b77c2c286f01c4f6 [2020-07-19 20:58:33,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 20:58:33,633 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 20:58:33,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 20:58:33,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 20:58:33,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 20:58:33,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:58:33" (1/1) ... [2020-07-19 20:58:33,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125eb49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:33, skipping insertion in model container [2020-07-19 20:58:33,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:58:33" (1/1) ... [2020-07-19 20:58:33,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 20:58:33,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 20:58:34,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:58:34,166 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 20:58:34,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:58:34,299 INFO L208 MainTranslator]: Completed translation [2020-07-19 20:58:34,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:34 WrapperNode [2020-07-19 20:58:34,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 20:58:34,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 20:58:34,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 20:58:34,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 20:58:34,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:34" (1/1) ... [2020-07-19 20:58:34,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:34" (1/1) ... [2020-07-19 20:58:34,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:34" (1/1) ... [2020-07-19 20:58:34,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:34" (1/1) ... [2020-07-19 20:58:34,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:34" (1/1) ... [2020-07-19 20:58:34,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:34" (1/1) ... [2020-07-19 20:58:34,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:34" (1/1) ... [2020-07-19 20:58:34,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 20:58:34,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 20:58:34,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 20:58:34,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 20:58:34,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:34" (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 [2020-07-19 20:58:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 20:58:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 20:58:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 20:58:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 20:58:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 20:58:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 20:58:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 20:58:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 20:58:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 20:58:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 20:58:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 20:58:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 20:58:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 20:58:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 20:58:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 20:58:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 20:58:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 20:58:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 20:58:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-19 20:58:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-19 20:58:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 20:58:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 20:58:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 20:58:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-19 20:58:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 20:58:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 20:58:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 20:58:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 20:58:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 20:58:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 20:58:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 20:58:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 20:58:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 20:58:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 20:58:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 20:58:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 20:58:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 20:58:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 20:58:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 20:58:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 20:58:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 20:58:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 20:58:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 20:58:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 20:58:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 20:58:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 20:58:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 20:58:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 20:58:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 20:58:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 20:58:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 20:58:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 20:58:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 20:58:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 20:58:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 20:58:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 20:58:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 20:58:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 20:58:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 20:58:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 20:58:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 20:58:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 20:58:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 20:58:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 20:58:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 20:58:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 20:58:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 20:58:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 20:58:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 20:58:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 20:58:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 20:58:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 20:58:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 20:58:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 20:58:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-19 20:58:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-19 20:58:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 20:58:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 20:58:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 20:58:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 20:58:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 20:58:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 20:58:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 20:58:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 20:58:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 20:58:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 20:58:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 20:58:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-19 20:58:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 20:58:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 20:58:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 20:58:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 20:58:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 20:58:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 20:58:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 20:58:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 20:58:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 20:58:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 20:58:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 20:58:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 20:58:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 20:58:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 20:58:35,744 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 20:58:35,744 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 20:58:35,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:58:35 BoogieIcfgContainer [2020-07-19 20:58:35,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 20:58:35,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 20:58:35,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 20:58:35,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 20:58:35,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 08:58:33" (1/3) ... [2020-07-19 20:58:35,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30eba92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:58:35, skipping insertion in model container [2020-07-19 20:58:35,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:34" (2/3) ... [2020-07-19 20:58:35,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30eba92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:58:35, skipping insertion in model container [2020-07-19 20:58:35,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:58:35" (3/3) ... [2020-07-19 20:58:35,758 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2020-07-19 20:58:35,769 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 20:58:35,777 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 20:58:35,792 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 20:58:35,819 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 20:58:35,819 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 20:58:35,819 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 20:58:35,819 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 20:58:35,820 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 20:58:35,820 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 20:58:35,820 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 20:58:35,820 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 20:58:35,844 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states. [2020-07-19 20:58:35,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-19 20:58:35,854 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:35,856 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] [2020-07-19 20:58:35,856 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:35,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:35,862 INFO L82 PathProgramCache]: Analyzing trace with hash -453171886, now seen corresponding path program 1 times [2020-07-19 20:58:35,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:35,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504105526] [2020-07-19 20:58:35,873 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e34a792 [2020-07-19 20:58:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:36,576 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:36,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:58:36,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504105526] [2020-07-19 20:58:36,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:36,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 20:58:36,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703365999] [2020-07-19 20:58:36,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 20:58:36,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:36,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 20:58:36,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 20:58:36,720 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 4 states. [2020-07-19 20:58:38,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:38,095 INFO L93 Difference]: Finished difference Result 353 states and 461 transitions. [2020-07-19 20:58:38,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 20:58:38,097 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-19 20:58:38,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:38,113 INFO L225 Difference]: With dead ends: 353 [2020-07-19 20:58:38,114 INFO L226 Difference]: Without dead ends: 196 [2020-07-19 20:58:38,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 20:58:38,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-19 20:58:38,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 158. [2020-07-19 20:58:38,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-19 20:58:38,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 188 transitions. [2020-07-19 20:58:38,223 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 188 transitions. Word has length 51 [2020-07-19 20:58:38,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:38,223 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 188 transitions. [2020-07-19 20:58:38,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 20:58:38,224 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2020-07-19 20:58:38,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 20:58:38,227 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:38,228 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] [2020-07-19 20:58:38,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 20:58:38,228 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:38,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:38,229 INFO L82 PathProgramCache]: Analyzing trace with hash 23130160, now seen corresponding path program 1 times [2020-07-19 20:58:38,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:38,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200835182] [2020-07-19 20:58:38,230 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e34a792 [2020-07-19 20:58:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:38,633 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:58:38,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200835182] [2020-07-19 20:58:38,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:38,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 20:58:38,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204073764] [2020-07-19 20:58:38,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 20:58:38,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:38,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 20:58:38,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 20:58:38,688 INFO L87 Difference]: Start difference. First operand 158 states and 188 transitions. Second operand 5 states. [2020-07-19 20:58:39,147 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:40,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:40,295 INFO L93 Difference]: Finished difference Result 288 states and 360 transitions. [2020-07-19 20:58:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 20:58:40,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-19 20:58:40,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:40,301 INFO L225 Difference]: With dead ends: 288 [2020-07-19 20:58:40,301 INFO L226 Difference]: Without dead ends: 186 [2020-07-19 20:58:40,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 20:58:40,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-07-19 20:58:40,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 149. [2020-07-19 20:58:40,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-19 20:58:40,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2020-07-19 20:58:40,351 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 52 [2020-07-19 20:58:40,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:40,352 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2020-07-19 20:58:40,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 20:58:40,352 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2020-07-19 20:58:40,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 20:58:40,355 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:40,355 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] [2020-07-19 20:58:40,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 20:58:40,355 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:40,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:40,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1418292754, now seen corresponding path program 1 times [2020-07-19 20:58:40,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:40,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696201577] [2020-07-19 20:58:40,356 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e34a792 [2020-07-19 20:58:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:40,730 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:40,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:58:40,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696201577] [2020-07-19 20:58:40,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:40,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 20:58:40,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221846672] [2020-07-19 20:58:40,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 20:58:40,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:40,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 20:58:40,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 20:58:40,854 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 9 states. [2020-07-19 20:58:41,246 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:41,568 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:41,803 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:42,033 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:42,784 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:45,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:45,157 INFO L93 Difference]: Finished difference Result 503 states and 637 transitions. [2020-07-19 20:58:45,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 20:58:45,158 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-19 20:58:45,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:45,163 INFO L225 Difference]: With dead ends: 503 [2020-07-19 20:58:45,164 INFO L226 Difference]: Without dead ends: 382 [2020-07-19 20:58:45,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-19 20:58:45,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-07-19 20:58:45,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 309. [2020-07-19 20:58:45,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-07-19 20:58:45,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 378 transitions. [2020-07-19 20:58:45,241 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 378 transitions. Word has length 57 [2020-07-19 20:58:45,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:45,242 INFO L479 AbstractCegarLoop]: Abstraction has 309 states and 378 transitions. [2020-07-19 20:58:45,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 20:58:45,242 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 378 transitions. [2020-07-19 20:58:45,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-19 20:58:45,245 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:45,245 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, 1] [2020-07-19 20:58:45,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 20:58:45,246 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:45,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:45,246 INFO L82 PathProgramCache]: Analyzing trace with hash -335998659, now seen corresponding path program 1 times [2020-07-19 20:58:45,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:45,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529713283] [2020-07-19 20:58:45,247 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e34a792 [2020-07-19 20:58:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:45,532 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:45,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:58:45,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529713283] [2020-07-19 20:58:45,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:45,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 20:58:45,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681982831] [2020-07-19 20:58:45,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 20:58:45,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:45,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 20:58:45,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 20:58:45,629 INFO L87 Difference]: Start difference. First operand 309 states and 378 transitions. Second operand 9 states. [2020-07-19 20:58:46,015 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:47,043 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:47,524 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:47,777 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:48,029 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:49,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:49,846 INFO L93 Difference]: Finished difference Result 992 states and 1314 transitions. [2020-07-19 20:58:49,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-19 20:58:49,846 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-07-19 20:58:49,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:49,853 INFO L225 Difference]: With dead ends: 992 [2020-07-19 20:58:49,853 INFO L226 Difference]: Without dead ends: 711 [2020-07-19 20:58:49,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-19 20:58:49,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2020-07-19 20:58:49,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 566. [2020-07-19 20:58:49,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-07-19 20:58:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 696 transitions. [2020-07-19 20:58:49,998 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 696 transitions. Word has length 62 [2020-07-19 20:58:49,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:49,999 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 696 transitions. [2020-07-19 20:58:49,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 20:58:49,999 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 696 transitions. [2020-07-19 20:58:50,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-19 20:58:50,003 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:50,003 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, 1, 1, 1, 1, 1] [2020-07-19 20:58:50,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 20:58:50,004 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:50,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:50,004 INFO L82 PathProgramCache]: Analyzing trace with hash 563759321, now seen corresponding path program 1 times [2020-07-19 20:58:50,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:50,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307236861] [2020-07-19 20:58:50,005 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e34a792 [2020-07-19 20:58:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:50,323 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:50,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:58:50,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307236861] [2020-07-19 20:58:50,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:50,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 20:58:50,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462289546] [2020-07-19 20:58:50,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 20:58:50,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:50,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 20:58:50,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-19 20:58:50,463 INFO L87 Difference]: Start difference. First operand 566 states and 696 transitions. Second operand 10 states. [2020-07-19 20:58:50,875 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:51,935 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:52,243 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:52,509 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:53,215 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:54,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:54,706 INFO L93 Difference]: Finished difference Result 1565 states and 2138 transitions. [2020-07-19 20:58:54,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-19 20:58:54,707 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-07-19 20:58:54,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:54,714 INFO L225 Difference]: With dead ends: 1565 [2020-07-19 20:58:54,715 INFO L226 Difference]: Without dead ends: 1027 [2020-07-19 20:58:54,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2020-07-19 20:58:54,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-07-19 20:58:54,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 821. [2020-07-19 20:58:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2020-07-19 20:58:54,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 999 transitions. [2020-07-19 20:58:54,890 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 999 transitions. Word has length 66 [2020-07-19 20:58:54,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:54,890 INFO L479 AbstractCegarLoop]: Abstraction has 821 states and 999 transitions. [2020-07-19 20:58:54,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 20:58:54,891 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 999 transitions. [2020-07-19 20:58:54,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-19 20:58:54,895 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:54,895 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:58:54,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 20:58:54,896 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:54,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:54,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1340944239, now seen corresponding path program 1 times [2020-07-19 20:58:54,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:54,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340315450] [2020-07-19 20:58:54,897 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e34a792 [2020-07-19 20:58:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,171 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:58:55,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340315450] [2020-07-19 20:58:55,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:55,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 20:58:55,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640873799] [2020-07-19 20:58:55,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 20:58:55,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:55,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 20:58:55,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-19 20:58:55,347 INFO L87 Difference]: Start difference. First operand 821 states and 999 transitions. Second operand 10 states. [2020-07-19 20:58:56,734 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:56,991 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 20:58:57,256 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:57,509 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:58,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:58,871 INFO L93 Difference]: Finished difference Result 1894 states and 2518 transitions. [2020-07-19 20:58:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 20:58:58,872 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2020-07-19 20:58:58,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:58,881 INFO L225 Difference]: With dead ends: 1894 [2020-07-19 20:58:58,881 INFO L226 Difference]: Without dead ends: 1101 [2020-07-19 20:58:58,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-19 20:58:58,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2020-07-19 20:58:59,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 847. [2020-07-19 20:58:59,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2020-07-19 20:58:59,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1027 transitions. [2020-07-19 20:58:59,039 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1027 transitions. Word has length 94 [2020-07-19 20:58:59,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:59,039 INFO L479 AbstractCegarLoop]: Abstraction has 847 states and 1027 transitions. [2020-07-19 20:58:59,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 20:58:59,040 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1027 transitions. [2020-07-19 20:58:59,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-19 20:58:59,042 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:59,042 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:58:59,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 20:58:59,043 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:59,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:59,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1413330797, now seen corresponding path program 1 times [2020-07-19 20:58:59,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:59,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202744025] [2020-07-19 20:58:59,044 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e34a792 [2020-07-19 20:58:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,343 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:59,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:58:59,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202744025] [2020-07-19 20:58:59,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:59,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 20:58:59,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110808771] [2020-07-19 20:58:59,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 20:58:59,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:59,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 20:58:59,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-19 20:58:59,512 INFO L87 Difference]: Start difference. First operand 847 states and 1027 transitions. Second operand 12 states. [2020-07-19 20:59:00,169 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:59:00,428 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:59:00,664 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:59:01,535 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:59:01,815 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:59:02,080 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:59:03,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:03,685 INFO L93 Difference]: Finished difference Result 1948 states and 2635 transitions. [2020-07-19 20:59:03,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 20:59:03,686 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2020-07-19 20:59:03,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:03,695 INFO L225 Difference]: With dead ends: 1948 [2020-07-19 20:59:03,695 INFO L226 Difference]: Without dead ends: 1129 [2020-07-19 20:59:03,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-19 20:59:03,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2020-07-19 20:59:03,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 863. [2020-07-19 20:59:03,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 863 states. [2020-07-19 20:59:03,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1043 transitions. [2020-07-19 20:59:03,848 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1043 transitions. Word has length 94 [2020-07-19 20:59:03,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:03,848 INFO L479 AbstractCegarLoop]: Abstraction has 863 states and 1043 transitions. [2020-07-19 20:59:03,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 20:59:03,848 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1043 transitions. [2020-07-19 20:59:03,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-19 20:59:03,851 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:03,851 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:03,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 20:59:03,852 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:03,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:03,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1083565036, now seen corresponding path program 1 times [2020-07-19 20:59:03,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:03,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964742829] [2020-07-19 20:59:03,853 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e34a792 [2020-07-19 20:59:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,106 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:59:04,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964742829] [2020-07-19 20:59:04,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:59:04,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 20:59:04,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184680354] [2020-07-19 20:59:04,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:59:04,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:04,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:59:04,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 20:59:04,289 INFO L87 Difference]: Start difference. First operand 863 states and 1043 transitions. Second operand 8 states. [2020-07-19 20:59:04,725 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:59:05,834 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:59:09,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:09,665 INFO L93 Difference]: Finished difference Result 3431 states and 4901 transitions. [2020-07-19 20:59:09,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-19 20:59:09,666 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-07-19 20:59:09,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:09,682 INFO L225 Difference]: With dead ends: 3431 [2020-07-19 20:59:09,682 INFO L226 Difference]: Without dead ends: 2596 [2020-07-19 20:59:09,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2020-07-19 20:59:09,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2596 states. [2020-07-19 20:59:10,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2596 to 2011. [2020-07-19 20:59:10,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2011 states. [2020-07-19 20:59:10,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 2535 transitions. [2020-07-19 20:59:10,187 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 2535 transitions. Word has length 94 [2020-07-19 20:59:10,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:10,188 INFO L479 AbstractCegarLoop]: Abstraction has 2011 states and 2535 transitions. [2020-07-19 20:59:10,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:59:10,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2535 transitions. [2020-07-19 20:59:10,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 20:59:10,194 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:10,194 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:10,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 20:59:10,194 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:10,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:10,195 INFO L82 PathProgramCache]: Analyzing trace with hash -452793586, now seen corresponding path program 1 times [2020-07-19 20:59:10,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:10,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479719977] [2020-07-19 20:59:10,195 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e34a792 [2020-07-19 20:59:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,452 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:10,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:59:10,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479719977] [2020-07-19 20:59:10,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:59:10,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 20:59:10,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888405380] [2020-07-19 20:59:10,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:59:10,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:10,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:59:10,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 20:59:10,566 INFO L87 Difference]: Start difference. First operand 2011 states and 2535 transitions. Second operand 8 states. [2020-07-19 20:59:11,149 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:59:14,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:14,906 INFO L93 Difference]: Finished difference Result 4762 states and 6699 transitions. [2020-07-19 20:59:14,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-19 20:59:14,907 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-19 20:59:14,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:14,945 INFO L225 Difference]: With dead ends: 4762 [2020-07-19 20:59:14,945 INFO L226 Difference]: Without dead ends: 4759 [2020-07-19 20:59:14,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-07-19 20:59:14,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4759 states. [2020-07-19 20:59:15,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4759 to 3702. [2020-07-19 20:59:15,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3702 states. [2020-07-19 20:59:15,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3702 states to 3702 states and 4704 transitions. [2020-07-19 20:59:15,807 INFO L78 Accepts]: Start accepts. Automaton has 3702 states and 4704 transitions. Word has length 98 [2020-07-19 20:59:15,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:15,807 INFO L479 AbstractCegarLoop]: Abstraction has 3702 states and 4704 transitions. [2020-07-19 20:59:15,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:59:15,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3702 states and 4704 transitions. [2020-07-19 20:59:15,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-07-19 20:59:15,819 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:15,819 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, 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] [2020-07-19 20:59:15,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-19 20:59:15,820 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:15,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:15,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1115432797, now seen corresponding path program 1 times [2020-07-19 20:59:15,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:15,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088920295] [2020-07-19 20:59:15,821 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e34a792 [2020-07-19 20:59:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,127 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,437 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-19 20:59:16,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088920295] [2020-07-19 20:59:16,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094478746] [2020-07-19 20:59:16,439 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e34a792 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 [2020-07-19 20:59:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:16,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 20:59:16,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 20:59:16,839 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:59:16,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 20:59:16,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2020-07-19 20:59:16,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116939128] [2020-07-19 20:59:16,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 20:59:16,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:16,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 20:59:16,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-19 20:59:16,842 INFO L87 Difference]: Start difference. First operand 3702 states and 4704 transitions. Second operand 3 states. [2020-07-19 20:59:18,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:18,387 INFO L93 Difference]: Finished difference Result 7052 states and 9032 transitions. [2020-07-19 20:59:18,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 20:59:18,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2020-07-19 20:59:18,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:18,410 INFO L225 Difference]: With dead ends: 7052 [2020-07-19 20:59:18,410 INFO L226 Difference]: Without dead ends: 3378 [2020-07-19 20:59:18,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-19 20:59:18,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3378 states. [2020-07-19 20:59:19,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3378 to 3378. [2020-07-19 20:59:19,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3378 states. [2020-07-19 20:59:19,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3378 states to 3378 states and 4028 transitions. [2020-07-19 20:59:19,379 INFO L78 Accepts]: Start accepts. Automaton has 3378 states and 4028 transitions. Word has length 162 [2020-07-19 20:59:19,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:19,379 INFO L479 AbstractCegarLoop]: Abstraction has 3378 states and 4028 transitions. [2020-07-19 20:59:19,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 20:59:19,380 INFO L276 IsEmpty]: Start isEmpty. Operand 3378 states and 4028 transitions. [2020-07-19 20:59:19,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-19 20:59:19,389 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:19,389 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, 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] [2020-07-19 20:59:19,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 20:59:19,605 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:19,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:19,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1460495039, now seen corresponding path program 1 times [2020-07-19 20:59:19,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:19,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023130951] [2020-07-19 20:59:19,607 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e34a792 [2020-07-19 20:59:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,043 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,327 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-07-19 20:59:20,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023130951] [2020-07-19 20:59:20,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863333338] [2020-07-19 20:59:20,328 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e34a792 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 [2020-07-19 20:59:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-19 20:59:20,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 20:59:20,565 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 20:59:20,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 20:59:20,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2020-07-19 20:59:20,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664500441] [2020-07-19 20:59:20,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 20:59:20,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:20,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 20:59:20,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-07-19 20:59:20,569 INFO L87 Difference]: Start difference. First operand 3378 states and 4028 transitions. Second operand 3 states. [2020-07-19 20:59:21,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:21,169 INFO L93 Difference]: Finished difference Result 5196 states and 6202 transitions. [2020-07-19 20:59:21,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 20:59:21,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-07-19 20:59:21,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:21,181 INFO L225 Difference]: With dead ends: 5196 [2020-07-19 20:59:21,181 INFO L226 Difference]: Without dead ends: 1846 [2020-07-19 20:59:21,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-07-19 20:59:21,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2020-07-19 20:59:21,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1690. [2020-07-19 20:59:21,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1690 states. [2020-07-19 20:59:21,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 1991 transitions. [2020-07-19 20:59:21,591 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 1991 transitions. Word has length 171 [2020-07-19 20:59:21,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:21,593 INFO L479 AbstractCegarLoop]: Abstraction has 1690 states and 1991 transitions. [2020-07-19 20:59:21,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 20:59:21,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 1991 transitions. [2020-07-19 20:59:21,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-07-19 20:59:21,599 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:21,599 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:21,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 20:59:21,814 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:21,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:21,814 INFO L82 PathProgramCache]: Analyzing trace with hash 177222806, now seen corresponding path program 1 times [2020-07-19 20:59:21,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:21,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561663294] [2020-07-19 20:59:21,815 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e34a792 [2020-07-19 20:59:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,265 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,560 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-19 20:59:22,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561663294] [2020-07-19 20:59:22,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206271782] [2020-07-19 20:59:22,561 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e34a792 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 [2020-07-19 20:59:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 20:59:22,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 20:59:22,912 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-19 20:59:22,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 20:59:22,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-19 20:59:22,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345190817] [2020-07-19 20:59:22,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:59:22,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:22,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:59:22,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-19 20:59:22,915 INFO L87 Difference]: Start difference. First operand 1690 states and 1991 transitions. Second operand 8 states. [2020-07-19 20:59:23,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:23,441 INFO L93 Difference]: Finished difference Result 2886 states and 3412 transitions. [2020-07-19 20:59:23,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 20:59:23,441 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2020-07-19 20:59:23,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:23,443 INFO L225 Difference]: With dead ends: 2886 [2020-07-19 20:59:23,443 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 20:59:23,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 220 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-19 20:59:23,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 20:59:23,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 20:59:23,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 20:59:23,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 20:59:23,455 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2020-07-19 20:59:23,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:23,455 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 20:59:23,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:59:23,455 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 20:59:23,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 20:59:23,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-19 20:59:23,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 20:59:26,216 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 459 DAG size of output: 412 [2020-07-19 20:59:27,989 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 204 [2020-07-19 20:59:28,536 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 202 [2020-07-19 20:59:28,762 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 209 [2020-07-19 20:59:30,490 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 395 DAG size of output: 352 [2020-07-19 20:59:31,630 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 352 [2020-07-19 20:59:32,530 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 371 [2020-07-19 20:59:33,726 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 346 [2020-07-19 20:59:36,118 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 317 [2020-07-19 20:59:37,642 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 26 [2020-07-19 20:59:37,826 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-19 20:59:38,011 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-19 20:59:40,563 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 358 DAG size of output: 52 [2020-07-19 20:59:41,643 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-07-19 20:59:41,839 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-19 20:59:42,524 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 25 [2020-07-19 20:59:43,081 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-07-19 20:59:43,558 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 24 [2020-07-19 20:59:44,118 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 28 [2020-07-19 20:59:44,510 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-19 20:59:45,709 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 191 DAG size of output: 30 [2020-07-19 20:59:46,235 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 24 [2020-07-19 20:59:46,437 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:46,632 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 31 [2020-07-19 20:59:48,351 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 214 DAG size of output: 48 [2020-07-19 20:59:48,547 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 31 [2020-07-19 20:59:50,929 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 226 DAG size of output: 57 [2020-07-19 20:59:51,092 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 1 [2020-07-19 20:59:52,547 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 182 DAG size of output: 32 [2020-07-19 20:59:53,647 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 212 DAG size of output: 42 [2020-07-19 20:59:54,210 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 24 [2020-07-19 20:59:55,604 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 289 DAG size of output: 48 [2020-07-19 20:59:56,863 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 183 DAG size of output: 32 [2020-07-19 20:59:57,031 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-19 20:59:57,664 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-07-19 20:59:58,357 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 25 [2020-07-19 20:59:58,547 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-19 20:59:59,434 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 26 [2020-07-19 20:59:59,578 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 31 [2020-07-19 21:00:00,007 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-19 21:00:01,334 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 289 DAG size of output: 48 [2020-07-19 21:00:01,519 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-19 21:00:01,678 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-19 21:00:01,862 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-19 21:00:02,266 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-19 21:00:04,183 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 319 DAG size of output: 48 [2020-07-19 21:00:04,381 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-19 21:00:04,961 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-07-19 21:00:06,192 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 193 DAG size of output: 42 [2020-07-19 21:00:06,362 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-19 21:00:06,538 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-07-19 21:00:06,724 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-19 21:00:06,920 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-19 21:00:09,616 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 297 DAG size of output: 52 [2020-07-19 21:00:09,784 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 1 [2020-07-19 21:00:10,532 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 35 [2020-07-19 21:00:10,975 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-07-19 21:00:12,233 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 198 DAG size of output: 48 [2020-07-19 21:00:13,472 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 205 DAG size of output: 36 [2020-07-19 21:00:14,387 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 28 [2020-07-19 21:00:14,555 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-19 21:00:16,116 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 264 DAG size of output: 42 [2020-07-19 21:00:16,560 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-19 21:00:16,749 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-19 21:00:18,132 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 225 DAG size of output: 45 [2020-07-19 21:00:18,316 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-19 21:00:19,521 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 205 DAG size of output: 36 [2020-07-19 21:00:19,696 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-19 21:00:19,704 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-19 21:00:19,704 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-19 21:00:19,704 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 21:00:19,705 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-19 21:00:19,705 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-19 21:00:19,705 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-19 21:00:19,705 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-19 21:00:19,705 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-19 21:00:19,705 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 21:00:19,705 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-19 21:00:19,705 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-19 21:00:19,705 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-19 21:00:19,706 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-19 21:00:19,706 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 21:00:19,706 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-19 21:00:19,706 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-19 21:00:19,706 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-19 21:00:19,706 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-19 21:00:19,707 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 909 915) the Hoare annotation is: true [2020-07-19 21:00:19,707 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 909 915) no Hoare annotation was computed. [2020-07-19 21:00:19,707 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 916 924) no Hoare annotation was computed. [2020-07-19 21:00:19,707 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 916 924) the Hoare annotation is: true [2020-07-19 21:00:19,707 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 916 924) no Hoare annotation was computed. [2020-07-19 21:00:19,707 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 999 1021) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:00:19,708 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 999 1021) no Hoare annotation was computed. [2020-07-19 21:00:19,708 INFO L264 CegarLoopResult]: At program point L1011(line 1011) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~10) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:00:19,708 INFO L264 CegarLoopResult]: At program point L1011-1(line 1011) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~10) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:00:19,708 INFO L268 CegarLoopResult]: For program point L1009(lines 1009 1016) no Hoare annotation was computed. [2020-07-19 21:00:19,708 INFO L268 CegarLoopResult]: For program point L1009-1(lines 1009 1016) no Hoare annotation was computed. [2020-07-19 21:00:19,708 INFO L268 CegarLoopResult]: For program point L1007(line 1007) no Hoare annotation was computed. [2020-07-19 21:00:19,709 INFO L264 CegarLoopResult]: At program point L1006(line 1006) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:00:19,709 INFO L264 CegarLoopResult]: At program point L1005(line 1005) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:00:19,709 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 999 1021) no Hoare annotation was computed. [2020-07-19 21:00:19,709 INFO L264 CegarLoopResult]: At program point L1005-1(line 1005) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:00:19,709 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 957 980) no Hoare annotation was computed. [2020-07-19 21:00:19,710 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 957 980) no Hoare annotation was computed. [2020-07-19 21:00:19,710 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 957 980) no Hoare annotation was computed. [2020-07-19 21:00:19,710 INFO L268 CegarLoopResult]: For program point L975(line 975) no Hoare annotation was computed. [2020-07-19 21:00:19,710 INFO L268 CegarLoopResult]: For program point L974(line 974) no Hoare annotation was computed. [2020-07-19 21:00:19,710 INFO L268 CegarLoopResult]: For program point L973(line 973) no Hoare annotation was computed. [2020-07-19 21:00:19,710 INFO L268 CegarLoopResult]: For program point L972(line 972) no Hoare annotation was computed. [2020-07-19 21:00:19,710 INFO L268 CegarLoopResult]: For program point L971(line 971) no Hoare annotation was computed. [2020-07-19 21:00:19,710 INFO L268 CegarLoopResult]: For program point L970(line 970) no Hoare annotation was computed. [2020-07-19 21:00:19,711 INFO L268 CegarLoopResult]: For program point L969(line 969) no Hoare annotation was computed. [2020-07-19 21:00:19,711 INFO L268 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2020-07-19 21:00:19,711 INFO L268 CegarLoopResult]: For program point L967(line 967) no Hoare annotation was computed. [2020-07-19 21:00:19,711 INFO L268 CegarLoopResult]: For program point L966(line 966) no Hoare annotation was computed. [2020-07-19 21:00:19,711 INFO L268 CegarLoopResult]: For program point L965(line 965) no Hoare annotation was computed. [2020-07-19 21:00:19,711 INFO L268 CegarLoopResult]: For program point L964(line 964) no Hoare annotation was computed. [2020-07-19 21:00:19,711 INFO L268 CegarLoopResult]: For program point L963(line 963) no Hoare annotation was computed. [2020-07-19 21:00:19,711 INFO L268 CegarLoopResult]: For program point L962(line 962) no Hoare annotation was computed. [2020-07-19 21:00:19,712 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 794 808) no Hoare annotation was computed. [2020-07-19 21:00:19,712 INFO L264 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (< 1 ~waterLevel~0))) (.cse8 (= 0 |old(~systemActive~0)|)) (.cse2 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 |old(~systemActive~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5) (or .cse2 .cse3 .cse6 .cse7 .cse8) (or .cse1 .cse2 .cse3 .cse7 .cse8) (or .cse0 .cse2 .cse3 .cse6 .cse4) (or .cse0 .cse5 .cse6))) [2020-07-19 21:00:19,712 INFO L268 CegarLoopResult]: For program point L798(lines 798 804) no Hoare annotation was computed. [2020-07-19 21:00:19,712 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 794 808) the Hoare annotation is: (let ((.cse10 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (< 1 ~waterLevel~0))) (.cse9 (= 0 |old(~systemActive~0)|)) (.cse2 (and .cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 |old(~systemActive~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (and .cse10 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6) (or .cse2 .cse3 .cse7 .cse8 .cse9) (or .cse1 .cse2 .cse3 .cse8 .cse9) (or .cse0 .cse2 .cse3 .cse7 .cse4) (or .cse0 .cse5 .cse7 .cse6)))) [2020-07-19 21:00:19,712 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 794 808) no Hoare annotation was computed. [2020-07-19 21:00:19,713 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 711 719) no Hoare annotation was computed. [2020-07-19 21:00:19,713 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 711 719) the Hoare annotation is: true [2020-07-19 21:00:19,713 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 711 719) no Hoare annotation was computed. [2020-07-19 21:00:19,713 INFO L268 CegarLoopResult]: For program point L784(lines 784 788) no Hoare annotation was computed. [2020-07-19 21:00:19,713 INFO L271 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: true [2020-07-19 21:00:19,713 INFO L268 CegarLoopResult]: For program point L784-2(lines 784 788) no Hoare annotation was computed. [2020-07-19 21:00:19,713 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-07-19 21:00:19,713 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 775 793) the Hoare annotation is: true [2020-07-19 21:00:19,714 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 775 793) no Hoare annotation was computed. [2020-07-19 21:00:19,714 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 775 793) no Hoare annotation was computed. [2020-07-19 21:00:19,714 INFO L268 CegarLoopResult]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2020-07-19 21:00:19,714 INFO L268 CegarLoopResult]: For program point L727(lines 727 735) no Hoare annotation was computed. [2020-07-19 21:00:19,714 INFO L268 CegarLoopResult]: For program point L727-2(lines 727 735) no Hoare annotation was computed. [2020-07-19 21:00:19,714 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 720 755) no Hoare annotation was computed. [2020-07-19 21:00:19,714 INFO L268 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-07-19 21:00:19,715 INFO L268 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-07-19 21:00:19,715 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 720 755) no Hoare annotation was computed. [2020-07-19 21:00:19,715 INFO L268 CegarLoopResult]: For program point L739(lines 739 747) no Hoare annotation was computed. [2020-07-19 21:00:19,715 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 720 755) no Hoare annotation was computed. [2020-07-19 21:00:19,715 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 902 908) no Hoare annotation was computed. [2020-07-19 21:00:19,715 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 902 908) the Hoare annotation is: true [2020-07-19 21:00:19,715 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-19 21:00:19,715 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-19 21:00:19,716 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-19 21:00:19,716 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-19 21:00:19,716 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-19 21:00:19,716 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-19 21:00:19,716 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-19 21:00:19,716 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-19 21:00:19,716 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-19 21:00:19,717 INFO L264 CegarLoopResult]: At program point L993(line 993) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:00:19,717 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 988 998) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:00:19,717 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 988 998) no Hoare annotation was computed. [2020-07-19 21:00:19,717 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 988 998) no Hoare annotation was computed. [2020-07-19 21:00:19,717 INFO L271 CegarLoopResult]: At program point L705(line 705) the Hoare annotation is: true [2020-07-19 21:00:19,717 INFO L268 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-07-19 21:00:19,717 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 700 710) the Hoare annotation is: true [2020-07-19 21:00:19,718 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 700 710) no Hoare annotation was computed. [2020-07-19 21:00:19,718 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 700 710) no Hoare annotation was computed. [2020-07-19 21:00:19,718 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 692 699) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (not (< 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 .cse2 .cse5 .cse6))) [2020-07-19 21:00:19,718 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 692 699) no Hoare annotation was computed. [2020-07-19 21:00:19,718 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 692 699) no Hoare annotation was computed. [2020-07-19 21:00:19,718 INFO L268 CegarLoopResult]: For program point L506(lines 506 512) no Hoare annotation was computed. [2020-07-19 21:00:19,718 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 502 515) no Hoare annotation was computed. [2020-07-19 21:00:19,719 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 502 515) the Hoare annotation is: true [2020-07-19 21:00:19,719 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 502 515) no Hoare annotation was computed. [2020-07-19 21:00:19,719 INFO L264 CegarLoopResult]: At program point L673(line 673) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-19 21:00:19,719 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3) (or .cse6 .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse5) .cse3) (or .cse0 .cse6 .cse1 .cse3))) [2020-07-19 21:00:19,719 INFO L268 CegarLoopResult]: For program point L667(lines 667 675) no Hoare annotation was computed. [2020-07-19 21:00:19,719 INFO L264 CegarLoopResult]: At program point L665(line 665) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-19 21:00:19,720 INFO L268 CegarLoopResult]: For program point L665-1(line 665) no Hoare annotation was computed. [2020-07-19 21:00:19,720 INFO L268 CegarLoopResult]: For program point L663(lines 663 680) no Hoare annotation was computed. [2020-07-19 21:00:19,720 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 659 683) no Hoare annotation was computed. [2020-07-19 21:00:19,720 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 659 683) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse2 .cse4))) [2020-07-19 21:00:19,720 INFO L264 CegarLoopResult]: At program point L678(line 678) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse6 .cse2 .cse4) (or .cse5 .cse6 .cse4))) [2020-07-19 21:00:19,720 INFO L268 CegarLoopResult]: For program point L678-1(lines 659 683) no Hoare annotation was computed. [2020-07-19 21:00:19,720 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 599 605) no Hoare annotation was computed. [2020-07-19 21:00:19,721 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 599 605) the Hoare annotation is: true [2020-07-19 21:00:19,721 INFO L264 CegarLoopResult]: At program point testENTRY(lines 819 886) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:00:19,721 INFO L268 CegarLoopResult]: For program point L830(lines 829 878) no Hoare annotation was computed. [2020-07-19 21:00:19,721 INFO L264 CegarLoopResult]: At program point L861(line 861) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse2 .cse0 .cse5) (and .cse2 .cse6 .cse4 .cse5) (not (= 1 |old(~systemActive~0)|)) (and .cse1 .cse2 .cse6 .cse5) (and .cse0 .cse2 .cse4 .cse3))) [2020-07-19 21:00:19,721 INFO L268 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2020-07-19 21:00:19,721 INFO L268 CegarLoopResult]: For program point testFINAL(lines 819 886) no Hoare annotation was computed. [2020-07-19 21:00:19,722 INFO L264 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (let ((.cse3 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (< 1 ~waterLevel~0) .cse1 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse7 .cse0 .cse6 .cse8 .cse2) (and .cse7 .cse0 .cse1 .cse8 .cse2) (and .cse7 .cse6 .cse0 .cse4 .cse5))) [2020-07-19 21:00:19,722 INFO L268 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2020-07-19 21:00:19,722 INFO L268 CegarLoopResult]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2020-07-19 21:00:19,722 INFO L264 CegarLoopResult]: At program point L876(lines 829 878) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse0 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 .cse6) (and .cse0 (< 1 ~waterLevel~0) .cse2 .cse6 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 .cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse6) (and .cse1 .cse5 .cse0 .cse6 .cse7))) [2020-07-19 21:00:19,722 INFO L264 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse0 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 .cse6) (and .cse0 (< 1 ~waterLevel~0) .cse2 .cse6 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 .cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse6) (and .cse1 .cse5 .cse0 .cse6 .cse7))) [2020-07-19 21:00:19,722 INFO L268 CegarLoopResult]: For program point L839(lines 839 845) no Hoare annotation was computed. [2020-07-19 21:00:19,723 INFO L268 CegarLoopResult]: For program point L839-1(lines 839 845) no Hoare annotation was computed. [2020-07-19 21:00:19,723 INFO L268 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-07-19 21:00:19,723 INFO L264 CegarLoopResult]: At program point L879(lines 828 880) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:00:19,723 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (let ((.cse4 (< 1 ~waterLevel~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 0 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse5 .cse6 .cse3) (and .cse1 .cse0 .cse4 .cse6 .cse3) (not (= 1 |old(~systemActive~0)|)) (and .cse1 .cse7 .cse5 .cse2 .cse3) (and .cse7 .cse1 .cse0 .cse8) (and .cse1 .cse7 .cse5 .cse8))) [2020-07-19 21:00:19,723 INFO L268 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-07-19 21:00:19,723 INFO L268 CegarLoopResult]: For program point testEXIT(lines 819 886) no Hoare annotation was computed. [2020-07-19 21:00:19,724 INFO L264 CegarLoopResult]: At program point L867-1(lines 859 874) the Hoare annotation is: (let ((.cse3 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse7 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse8 (< 1 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse7 .cse2) (and .cse5 .cse0 .cse7 .cse2) (and .cse5 .cse0 .cse8 .cse4 .cse6) (and .cse0 .cse8 .cse1 .cse4 .cse6) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1 .cse4 .cse6))) [2020-07-19 21:00:19,724 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-19 21:00:19,724 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-19 21:00:19,724 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-19 21:00:19,724 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-19 21:00:19,724 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-19 21:00:19,724 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-19 21:00:19,724 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 516 524) no Hoare annotation was computed. [2020-07-19 21:00:19,725 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 516 524) the Hoare annotation is: true [2020-07-19 21:00:19,725 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 516 524) no Hoare annotation was computed. [2020-07-19 21:00:19,725 INFO L268 CegarLoopResult]: For program point L546-1(line 546) no Hoare annotation was computed. [2020-07-19 21:00:19,725 INFO L268 CegarLoopResult]: For program point L544(lines 544 561) no Hoare annotation was computed. [2020-07-19 21:00:19,725 INFO L268 CegarLoopResult]: For program point L544-1(lines 536 564) no Hoare annotation was computed. [2020-07-19 21:00:19,725 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (< 1 ~waterLevel~0)) .cse5 .cse3) (or .cse6 .cse4 .cse1 .cse2) (or .cse0 .cse6 .cse1 .cse2))) [2020-07-19 21:00:19,725 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-07-19 21:00:19,726 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 536 564) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (< 1 ~waterLevel~0)) .cse5 .cse3) (or .cse6 .cse4 .cse1 .cse2) (or .cse0 .cse6 .cse1 .cse2))) [2020-07-19 21:00:19,726 INFO L264 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse1) (or .cse3 .cse5 .cse2) (or .cse0 .cse4 .cse1) (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (< 1 ~waterLevel~0)) .cse5 .cse2))) [2020-07-19 21:00:19,726 INFO L268 CegarLoopResult]: For program point L549(lines 549 555) no Hoare annotation was computed. [2020-07-19 21:00:19,726 INFO L268 CegarLoopResult]: For program point L548(lines 548 558) no Hoare annotation was computed. [2020-07-19 21:00:19,726 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 536 564) no Hoare annotation was computed. [2020-07-19 21:00:19,726 INFO L264 CegarLoopResult]: At program point L546(line 546) the Hoare annotation is: (let ((.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (< 1 ~waterLevel~0)) .cse4 .cse3) (or .cse5 .cse1 .cse3) (or .cse6 .cse5 .cse1) (or .cse5 .cse4 .cse3) (or .cse0 .cse6 .cse1 .cse2))) [2020-07-19 21:00:19,726 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-07-19 21:00:19,727 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-07-19 21:00:19,727 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 470 492) no Hoare annotation was computed. [2020-07-19 21:00:19,727 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 470 492) no Hoare annotation was computed. [2020-07-19 21:00:19,727 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 470 492) no Hoare annotation was computed. [2020-07-19 21:00:19,727 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 528 535) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:00:19,727 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 528 535) no Hoare annotation was computed. [2020-07-19 21:00:19,727 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 528 535) no Hoare annotation was computed. [2020-07-19 21:00:19,727 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-19 21:00:19,727 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-19 21:00:19,728 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-19 21:00:19,728 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-19 21:00:19,728 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-19 21:00:19,728 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-19 21:00:19,728 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-19 21:00:19,728 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-19 21:00:19,728 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-19 21:00:19,728 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-19 21:00:19,728 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-19 21:00:19,729 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-19 21:00:19,729 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-19 21:00:19,729 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-19 21:00:19,729 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-19 21:00:19,729 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-19 21:00:19,729 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 892 901) no Hoare annotation was computed. [2020-07-19 21:00:19,729 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 892 901) no Hoare annotation was computed. [2020-07-19 21:00:19,729 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 892 901) no Hoare annotation was computed. [2020-07-19 21:00:19,729 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:00:19,730 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-19 21:00:19,730 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:00:19,730 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 684 691) no Hoare annotation was computed. [2020-07-19 21:00:19,730 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 684 691) no Hoare annotation was computed. [2020-07-19 21:00:19,730 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 684 691) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4))) [2020-07-19 21:00:19,730 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 493 501) no Hoare annotation was computed. [2020-07-19 21:00:19,731 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 493 501) no Hoare annotation was computed. [2020-07-19 21:00:19,731 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 493 501) no Hoare annotation was computed. [2020-07-19 21:00:19,731 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 756 774) no Hoare annotation was computed. [2020-07-19 21:00:19,731 INFO L268 CegarLoopResult]: For program point L765(lines 765 769) no Hoare annotation was computed. [2020-07-19 21:00:19,731 INFO L271 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: true [2020-07-19 21:00:19,731 INFO L268 CegarLoopResult]: For program point L765-2(lines 765 769) no Hoare annotation was computed. [2020-07-19 21:00:19,731 INFO L268 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-07-19 21:00:19,731 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 756 774) the Hoare annotation is: true [2020-07-19 21:00:19,731 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 756 774) no Hoare annotation was computed. [2020-07-19 21:00:19,732 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:00:19,732 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:00:19,732 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:00:19,732 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 449 460) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse7 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse4 (not (= 1 ~systemActive~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse1 (not (< 1 ~waterLevel~0)) .cse3 .cse7 .cse4) (or .cse0 .cse1 .cse6 .cse7 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse6))) [2020-07-19 21:00:19,732 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2020-07-19 21:00:19,732 INFO L268 CegarLoopResult]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2020-07-19 21:00:19,732 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 461 469) the Hoare annotation is: true [2020-07-19 21:00:19,732 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 461 469) no Hoare annotation was computed. [2020-07-19 21:00:19,733 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2020-07-19 21:00:19,733 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 575 598) the Hoare annotation is: (let ((.cse12 (= 0 ~methAndRunningLastTime~0)) (.cse15 (= 0 ~pumpRunning~0)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse7 (and .cse13 .cse14 .cse16)) (.cse8 (not (< 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (and .cse12 .cse15 .cse14)) (.cse9 (and .cse15 .cse14 .cse16)) (.cse10 (not (= 0 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse12 .cse13 .cse14)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse0 .cse9 .cse10 .cse1) (or .cse0 .cse5 .cse7 .cse8 .cse4) (or .cse0 .cse5 .cse11 .cse2 .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse4) (or .cse9 .cse10 .cse1 .cse6) (or .cse5 .cse11 .cse2 .cse6 .cse4)))) [2020-07-19 21:00:19,733 INFO L264 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse8 (not (< 1 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and .cse12 .cse13)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse10 (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse11 (not (= 0 ~systemActive~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse7 .cse8 .cse5) (or .cse6 .cse9 .cse2 .cse10 .cse5) (or .cse1 .cse7 .cse3 .cse8 .cse5) (or .cse6 .cse11 .cse9) (or .cse0 (and .cse12 .cse4 .cse13) .cse6 .cse1 .cse2 .cse5) (or .cse1 .cse7 .cse2 .cse3 .cse5) (or .cse9 .cse2 .cse3 .cse10 .cse5) (or .cse11 .cse9 .cse3)))) [2020-07-19 21:00:19,733 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 575 598) no Hoare annotation was computed. [2020-07-19 21:00:19,733 INFO L264 CegarLoopResult]: At program point L586(lines 586 592) the Hoare annotation is: (let ((.cse16 (= 0 ~pumpRunning~0)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (= 0 ~methaneLevelCritical~0)) (.cse18 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse8 (and .cse15 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse18)) (.cse4 (<= ~waterLevel~0 1)) (.cse13 (and .cse17 .cse18 (<= 1 ~pumpRunning~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse16 .cse18)) (.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse14 (and (= 0 ~methAndRunningLastTime~0) .cse16 .cse17)) (.cse5 (not (= 1 ~systemActive~0))) (.cse10 (and .cse16 .cse17 .cse18)) (.cse11 (not (= 0 ~systemActive~0))) (.cse12 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not .cse15))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse3 .cse6 .cse7 .cse8 .cse5) (or .cse1 .cse2 .cse3 .cse6 .cse8 .cse5) (or .cse9 .cse10 .cse11 .cse12) (or .cse0 .cse9 .cse1 .cse2 .cse4 .cse5) (or .cse12 .cse2 .cse3 .cse13 .cse14 .cse5) (or .cse9 .cse1 .cse2 .cse6 .cse5) (or .cse9 .cse12 .cse2 .cse14 .cse13 .cse5) (or .cse9 .cse1 .cse6 .cse7 .cse5) (or .cse0 .cse9 .cse12 .cse2 .cse14 .cse5) (or .cse0 .cse12 .cse2 .cse3 .cse14 .cse5) (or .cse10 .cse11 .cse12 .cse3)))) [2020-07-19 21:00:19,734 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 575 598) no Hoare annotation was computed. [2020-07-19 21:00:19,734 INFO L264 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (and .cse10 .cse11 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (and (= 0 ~methAndRunningLastTime~0) .cse10 .cse11)) (.cse9 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse8 .cse9 .cse4) (or .cse7 .cse9 .cse1 .cse4) (or .cse5 .cse7 .cse9 .cse4) (or .cse6 .cse7 .cse1) (or .cse0 .cse8 .cse9 .cse1 .cse4)))) [2020-07-19 21:00:19,734 INFO L268 CegarLoopResult]: For program point L579(lines 578 597) no Hoare annotation was computed. [2020-07-19 21:00:19,734 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 927 956) no Hoare annotation was computed. [2020-07-19 21:00:19,734 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 927 956) the Hoare annotation is: true [2020-07-19 21:00:19,734 INFO L271 CegarLoopResult]: At program point L952(lines 927 956) the Hoare annotation is: true [2020-07-19 21:00:19,734 INFO L268 CegarLoopResult]: For program point L948(line 948) no Hoare annotation was computed. [2020-07-19 21:00:19,735 INFO L268 CegarLoopResult]: For program point L941(lines 941 945) no Hoare annotation was computed. [2020-07-19 21:00:19,735 INFO L271 CegarLoopResult]: At program point L941-1(lines 941 945) the Hoare annotation is: true [2020-07-19 21:00:19,735 INFO L268 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-07-19 21:00:19,735 INFO L271 CegarLoopResult]: At program point L937-2(lines 937 951) the Hoare annotation is: true [2020-07-19 21:00:19,735 INFO L271 CegarLoopResult]: At program point L933(line 933) the Hoare annotation is: true [2020-07-19 21:00:19,735 INFO L268 CegarLoopResult]: For program point L933-1(line 933) no Hoare annotation was computed. [2020-07-19 21:00:19,735 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 425 436) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse3 .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse4))) [2020-07-19 21:00:19,736 INFO L268 CegarLoopResult]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2020-07-19 21:00:19,736 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 425 436) no Hoare annotation was computed. [2020-07-19 21:00:19,736 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 981 987) no Hoare annotation was computed. [2020-07-19 21:00:19,736 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 981 987) the Hoare annotation is: true [2020-07-19 21:00:19,736 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:00:19,736 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2020-07-19 21:00:19,736 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:00:19,736 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:00:19,736 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 809 816) no Hoare annotation was computed. [2020-07-19 21:00:19,737 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 809 816) the Hoare annotation is: (let ((.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (< 1 ~waterLevel~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= |old(~systemActive~0)| ~systemActive~0)) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse0 .cse1 .cse2 .cse5) (or .cse1 .cse2 .cse6 .cse3) (or .cse4 .cse1 .cse6 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-19 21:00:19,737 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 809 816) no Hoare annotation was computed. [2020-07-19 21:00:19,737 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 607 631) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse4))) [2020-07-19 21:00:19,737 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 607 631) no Hoare annotation was computed. [2020-07-19 21:00:19,737 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-19 21:00:19,737 INFO L268 CegarLoopResult]: For program point L626-1(lines 607 631) no Hoare annotation was computed. [2020-07-19 21:00:19,738 INFO L264 CegarLoopResult]: At program point L621(line 621) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse3 (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse1) (or .cse3 .cse2 .cse4 .cse0 .cse1))) [2020-07-19 21:00:19,738 INFO L264 CegarLoopResult]: At program point L617(line 617) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4))) [2020-07-19 21:00:19,738 INFO L268 CegarLoopResult]: For program point L615(lines 615 623) no Hoare annotation was computed. [2020-07-19 21:00:19,738 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-19 21:00:19,738 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-07-19 21:00:19,738 INFO L268 CegarLoopResult]: For program point L611(lines 611 628) no Hoare annotation was computed. [2020-07-19 21:00:19,738 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2020-07-19 21:00:19,738 INFO L268 CegarLoopResult]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2020-07-19 21:00:19,739 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 437 448) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse6 .cse3) (or .cse4 .cse0 .cse7 .cse1 .cse6) (or .cse4 .cse7 .cse5 .cse1 .cse6) (or .cse4 .cse5 .cse1 .cse6 .cse3))) [2020-07-19 21:00:19,739 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-07-19 21:00:19,739 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-19 21:00:19,739 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-07-19 21:00:19,739 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-07-19 21:00:19,739 INFO L268 CegarLoopResult]: For program point L641(lines 641 649) no Hoare annotation was computed. [2020-07-19 21:00:19,740 INFO L264 CegarLoopResult]: At program point L639(line 639) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-19 21:00:19,740 INFO L268 CegarLoopResult]: For program point L639-1(line 639) no Hoare annotation was computed. [2020-07-19 21:00:19,740 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 633 657) no Hoare annotation was computed. [2020-07-19 21:00:19,740 INFO L268 CegarLoopResult]: For program point L637(lines 637 654) no Hoare annotation was computed. [2020-07-19 21:00:19,740 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 633 657) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse4))) [2020-07-19 21:00:19,740 INFO L264 CegarLoopResult]: At program point L652(line 652) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-19 21:00:19,740 INFO L268 CegarLoopResult]: For program point L652-1(lines 633 657) no Hoare annotation was computed. [2020-07-19 21:00:19,741 INFO L264 CegarLoopResult]: At program point L647(line 647) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-19 21:00:19,741 INFO L264 CegarLoopResult]: At program point L643(line 643) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-19 21:00:19,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:00:19 BoogieIcfgContainer [2020-07-19 21:00:19,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:00:19,766 INFO L168 Benchmark]: Toolchain (without parser) took 106133.38 ms. Allocated memory was 135.8 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 99.5 MB in the beginning and 752.3 MB in the end (delta: -652.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-07-19 21:00:19,766 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 21:00:19,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.06 ms. Allocated memory was 135.8 MB in the beginning and 200.8 MB in the end (delta: 65.0 MB). Free memory was 99.1 MB in the beginning and 166.9 MB in the end (delta: -67.8 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2020-07-19 21:00:19,767 INFO L168 Benchmark]: Boogie Preprocessor took 128.62 ms. Allocated memory is still 200.8 MB. Free memory was 166.9 MB in the beginning and 162.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-19 21:00:19,768 INFO L168 Benchmark]: RCFGBuilder took 1317.75 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 162.4 MB in the beginning and 187.9 MB in the end (delta: -25.4 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:00:19,769 INFO L168 Benchmark]: TraceAbstraction took 104012.59 ms. Allocated memory was 228.6 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 187.9 MB in the beginning and 752.3 MB in the end (delta: -564.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-07-19 21:00:19,771 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.06 ms. Allocated memory was 135.8 MB in the beginning and 200.8 MB in the end (delta: 65.0 MB). Free memory was 99.1 MB in the beginning and 166.9 MB in the end (delta: -67.8 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.62 ms. Allocated memory is still 200.8 MB. Free memory was 166.9 MB in the beginning and 162.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1317.75 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 162.4 MB in the beginning and 187.9 MB in the end (delta: -25.4 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 104012.59 ms. Allocated memory was 228.6 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 187.9 MB in the beginning and 752.3 MB in the end (delta: -564.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 828]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive)) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((((((((!(\old(waterLevel) <= 1) || ((((0 == splverifierCounter && 0 == methAndRunningLastTime) && 1 <= methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning)) || ((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning)) || ((((0 == splverifierCounter && 0 == methAndRunningLastTime) && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 < waterLevel) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && \old(methAndRunningLastTime) == methAndRunningLastTime) && 1 == systemActive)) || ((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 260 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 47.8s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 36.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 56.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2041 SDtfs, 3275 SDslu, 2494 SDs, 0 SdLazy, 8096 SolverSat, 2484 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1098 GetRequests, 905 SyntacticMatches, 1 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 784 ImplicationChecksByTransitivity, 11.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3702occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 2817 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 6170 PreInvPairs, 6334 NumberOfFragments, 4363 HoareAnnotationTreeSize, 6170 FomulaSimplifications, 525739764 FormulaSimplificationTreeSizeReduction, 13.0s HoareSimplificationTime, 72 FomulaSimplificationsInter, 18125669 FormulaSimplificationTreeSizeReductionInter, 42.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1684 NumberOfCodeBlocks, 1684 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1669 ConstructedInterpolants, 0 QuantifiedInterpolants, 569159 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2904 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 319/332 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...