/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:49:17,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:49:17,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:49:17,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:49:17,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:49:17,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:49:17,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:49:17,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:49:17,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:49:17,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:49:17,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:49:17,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:49:17,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:49:17,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:49:17,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:49:17,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:49:17,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:49:17,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:49:17,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:49:17,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:49:17,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:49:17,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:49:17,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:49:17,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:49:17,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:49:17,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:49:17,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:49:17,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:49:17,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:49:17,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:49:17,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:49:17,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:49:17,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:49:17,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:49:17,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:49:17,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:49:17,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:49:17,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:49:17,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:49:17,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:49:17,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:49:17,568 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 [2020-07-07 10:49:17,582 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:49:17,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:49:17,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:49:17,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:49:17,584 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:49:17,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:49:17,584 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:49:17,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:49:17,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:49:17,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:49:17,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:49:17,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:49:17,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:49:17,586 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:49:17,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:49:17,586 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:49:17,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:49:17,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:49:17,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:49:17,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:49:17,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:49:17,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:49:17,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:49:17,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:49:17,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:49:17,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:49:17,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:49:17,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:49:17,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:49:17,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:49:17,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:49:17,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:49:17,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:49:17,880 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:49:17,880 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:49:17,881 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-07-07 10:49:17,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cba66f54/bf58e0f70ce3488b93a54e5513018fd4/FLAGe6b62a315 [2020-07-07 10:49:18,392 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:49:18,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-07-07 10:49:18,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cba66f54/bf58e0f70ce3488b93a54e5513018fd4/FLAGe6b62a315 [2020-07-07 10:49:18,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cba66f54/bf58e0f70ce3488b93a54e5513018fd4 [2020-07-07 10:49:18,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:49:18,803 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:49:18,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:49:18,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:49:18,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:49:18,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:49:18" (1/1) ... [2020-07-07 10:49:18,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@103959c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:18, skipping insertion in model container [2020-07-07 10:49:18,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:49:18" (1/1) ... [2020-07-07 10:49:18,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:49:18,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:49:19,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:49:19,316 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:49:19,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:49:19,439 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:49:19,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19 WrapperNode [2020-07-07 10:49:19,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:49:19,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:49:19,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:49:19,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:49:19,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (1/1) ... [2020-07-07 10:49:19,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (1/1) ... [2020-07-07 10:49:19,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (1/1) ... [2020-07-07 10:49:19,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (1/1) ... [2020-07-07 10:49:19,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (1/1) ... [2020-07-07 10:49:19,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (1/1) ... [2020-07-07 10:49:19,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (1/1) ... [2020-07-07 10:49:19,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:49:19,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:49:19,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:49:19,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:49:19,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (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 [2020-07-07 10:49:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:49:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:49:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:49:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:49:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:49:19,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:49:19,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:49:19,598 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:49:19,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:49:19,598 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:49:19,598 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:49:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:49:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:49:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:49:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:49:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:49:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:49:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:49:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:49:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:49:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:49:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:49:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:49:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:49:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:49:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:49:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:49:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:49:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:49:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:49:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:49:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:49:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:49:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:49:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:49:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:49:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:49:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:49:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:49:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:49:19,606 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:49:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:49:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:49:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:49:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:49:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:49:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:49:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:49:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:49:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:49:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:49:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:49:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:49:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:49:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:49:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:49:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:49:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:49:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:49:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:49:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:49:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:49:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:49:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:49:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:49:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:49:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:49:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:49:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:49:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:49:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:49:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:49:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:49:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:49:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:49:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:49:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:49:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:49:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:49:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:49:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:49:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:49:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:49:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:49:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:49:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:49:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:49:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:49:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:49:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:49:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:49:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:49:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:49:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:49:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:49:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:49:20,642 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:49:20,643 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:49:20,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:49:20 BoogieIcfgContainer [2020-07-07 10:49:20,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:49:20,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:49:20,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:49:20,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:49:20,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:49:18" (1/3) ... [2020-07-07 10:49:20,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1c3c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:49:20, skipping insertion in model container [2020-07-07 10:49:20,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:19" (2/3) ... [2020-07-07 10:49:20,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1c3c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:49:20, skipping insertion in model container [2020-07-07 10:49:20,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:49:20" (3/3) ... [2020-07-07 10:49:20,659 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2020-07-07 10:49:20,669 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:49:20,679 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:49:20,691 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:49:20,715 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:49:20,715 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:49:20,716 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:49:20,716 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:49:20,716 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:49:20,716 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:49:20,716 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:49:20,716 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:49:20,738 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-07-07 10:49:20,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:49:20,748 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:20,749 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:20,750 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:20,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:20,756 INFO L82 PathProgramCache]: Analyzing trace with hash -318385319, now seen corresponding path program 1 times [2020-07-07 10:49:20,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:20,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894290794] [2020-07-07 10:49:20,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,491 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:21,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894290794] [2020-07-07 10:49:21,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:21,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:49:21,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405816154] [2020-07-07 10:49:21,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:49:21,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:21,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:49:21,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:49:21,690 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 4 states. [2020-07-07 10:49:22,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:22,690 INFO L93 Difference]: Finished difference Result 297 states and 378 transitions. [2020-07-07 10:49:22,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:49:22,692 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:49:22,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:22,707 INFO L225 Difference]: With dead ends: 297 [2020-07-07 10:49:22,707 INFO L226 Difference]: Without dead ends: 164 [2020-07-07 10:49:22,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:49:22,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-07-07 10:49:22,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 134. [2020-07-07 10:49:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-07 10:49:22,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 155 transitions. [2020-07-07 10:49:22,809 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 155 transitions. Word has length 59 [2020-07-07 10:49:22,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:22,810 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 155 transitions. [2020-07-07 10:49:22,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:49:22,810 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 155 transitions. [2020-07-07 10:49:22,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-07 10:49:22,814 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:22,814 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:22,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:49:22,815 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:22,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:22,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1634844471, now seen corresponding path program 1 times [2020-07-07 10:49:22,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:22,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014312633] [2020-07-07 10:49:22,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,217 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:23,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:23,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014312633] [2020-07-07 10:49:23,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:23,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:49:23,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723196672] [2020-07-07 10:49:23,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:49:23,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:23,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:49:23,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:49:23,280 INFO L87 Difference]: Start difference. First operand 134 states and 155 transitions. Second operand 5 states. [2020-07-07 10:49:23,736 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:24,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:24,555 INFO L93 Difference]: Finished difference Result 238 states and 286 transitions. [2020-07-07 10:49:24,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:49:24,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-07 10:49:24,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:24,560 INFO L225 Difference]: With dead ends: 238 [2020-07-07 10:49:24,560 INFO L226 Difference]: Without dead ends: 154 [2020-07-07 10:49:24,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:49:24,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-07 10:49:24,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 125. [2020-07-07 10:49:24,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-07 10:49:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 143 transitions. [2020-07-07 10:49:24,601 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 143 transitions. Word has length 60 [2020-07-07 10:49:24,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:24,602 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 143 transitions. [2020-07-07 10:49:24,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:49:24,602 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 143 transitions. [2020-07-07 10:49:24,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-07 10:49:24,605 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:24,605 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:24,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:49:24,605 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:24,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:24,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1075077358, now seen corresponding path program 1 times [2020-07-07 10:49:24,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:24,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589906683] [2020-07-07 10:49:24,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:24,965 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:25,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589906683] [2020-07-07 10:49:25,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:25,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:25,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013666293] [2020-07-07 10:49:25,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:25,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:25,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:25,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:25,104 INFO L87 Difference]: Start difference. First operand 125 states and 143 transitions. Second operand 9 states. [2020-07-07 10:49:25,514 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:25,836 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:26,073 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:26,298 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:27,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:27,453 INFO L93 Difference]: Finished difference Result 251 states and 305 transitions. [2020-07-07 10:49:27,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:49:27,453 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-07 10:49:27,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:27,456 INFO L225 Difference]: With dead ends: 251 [2020-07-07 10:49:27,456 INFO L226 Difference]: Without dead ends: 154 [2020-07-07 10:49:27,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:49:27,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-07 10:49:27,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 125. [2020-07-07 10:49:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-07 10:49:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 142 transitions. [2020-07-07 10:49:27,486 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 142 transitions. Word has length 65 [2020-07-07 10:49:27,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:27,487 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 142 transitions. [2020-07-07 10:49:27,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:27,487 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2020-07-07 10:49:27,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-07 10:49:27,489 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:27,489 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:27,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:49:27,490 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:27,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:27,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1759456211, now seen corresponding path program 1 times [2020-07-07 10:49:27,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:27,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331386679] [2020-07-07 10:49:27,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,792 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:27,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331386679] [2020-07-07 10:49:27,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:27,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:49:27,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886347473] [2020-07-07 10:49:27,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:49:27,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:27,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:49:27,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:49:27,913 INFO L87 Difference]: Start difference. First operand 125 states and 142 transitions. Second operand 7 states. [2020-07-07 10:49:28,332 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:29,766 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:30,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:30,141 INFO L93 Difference]: Finished difference Result 346 states and 428 transitions. [2020-07-07 10:49:30,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:49:30,143 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-07-07 10:49:30,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:30,149 INFO L225 Difference]: With dead ends: 346 [2020-07-07 10:49:30,149 INFO L226 Difference]: Without dead ends: 249 [2020-07-07 10:49:30,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:49:30,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-07-07 10:49:30,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 203. [2020-07-07 10:49:30,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-07-07 10:49:30,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 233 transitions. [2020-07-07 10:49:30,255 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 233 transitions. Word has length 73 [2020-07-07 10:49:30,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:30,257 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 233 transitions. [2020-07-07 10:49:30,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:49:30,258 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 233 transitions. [2020-07-07 10:49:30,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-07 10:49:30,265 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:30,265 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:30,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:49:30,266 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:30,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:30,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1988493165, now seen corresponding path program 1 times [2020-07-07 10:49:30,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:30,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056348195] [2020-07-07 10:49:30,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,622 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:49:30,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056348195] [2020-07-07 10:49:30,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:30,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:30,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616144025] [2020-07-07 10:49:30,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:30,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:30,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:30,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:30,769 INFO L87 Difference]: Start difference. First operand 203 states and 233 transitions. Second operand 9 states. [2020-07-07 10:49:31,186 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:31,873 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:32,656 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:32,933 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:33,357 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:33,591 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:33,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:33,866 INFO L93 Difference]: Finished difference Result 423 states and 515 transitions. [2020-07-07 10:49:33,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:49:33,867 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-07-07 10:49:33,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:33,871 INFO L225 Difference]: With dead ends: 423 [2020-07-07 10:49:33,871 INFO L226 Difference]: Without dead ends: 248 [2020-07-07 10:49:33,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:49:33,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-07-07 10:49:33,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 202. [2020-07-07 10:49:33,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-07 10:49:33,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 230 transitions. [2020-07-07 10:49:33,913 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 230 transitions. Word has length 87 [2020-07-07 10:49:33,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:33,914 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 230 transitions. [2020-07-07 10:49:33,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:33,914 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 230 transitions. [2020-07-07 10:49:33,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-07 10:49:33,916 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:33,916 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:33,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:49:33,916 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:33,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:33,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1941251357, now seen corresponding path program 1 times [2020-07-07 10:49:33,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:33,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753204307] [2020-07-07 10:49:33,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,195 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:34,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753204307] [2020-07-07 10:49:34,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:34,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:34,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487459061] [2020-07-07 10:49:34,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:34,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:34,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:34,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:34,370 INFO L87 Difference]: Start difference. First operand 202 states and 230 transitions. Second operand 9 states. [2020-07-07 10:49:35,379 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:35,624 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:35,873 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:36,150 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:36,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:36,886 INFO L93 Difference]: Finished difference Result 423 states and 519 transitions. [2020-07-07 10:49:36,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:49:36,887 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-07-07 10:49:36,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:36,890 INFO L225 Difference]: With dead ends: 423 [2020-07-07 10:49:36,890 INFO L226 Difference]: Without dead ends: 249 [2020-07-07 10:49:36,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:49:36,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-07-07 10:49:36,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 207. [2020-07-07 10:49:36,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-07-07 10:49:36,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 235 transitions. [2020-07-07 10:49:36,929 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 235 transitions. Word has length 103 [2020-07-07 10:49:36,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:36,929 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 235 transitions. [2020-07-07 10:49:36,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:36,930 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 235 transitions. [2020-07-07 10:49:36,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-07 10:49:36,931 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:36,931 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:36,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:49:36,932 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:36,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:36,932 INFO L82 PathProgramCache]: Analyzing trace with hash -108136485, now seen corresponding path program 1 times [2020-07-07 10:49:36,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:36,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755143234] [2020-07-07 10:49:36,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,175 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:37,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755143234] [2020-07-07 10:49:37,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:37,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:49:37,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961785151] [2020-07-07 10:49:37,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:49:37,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:37,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:49:37,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:49:37,358 INFO L87 Difference]: Start difference. First operand 207 states and 235 transitions. Second operand 11 states. [2020-07-07 10:49:38,111 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:38,349 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:38,578 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:39,250 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:39,518 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:39,761 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:40,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:40,451 INFO L93 Difference]: Finished difference Result 433 states and 530 transitions. [2020-07-07 10:49:40,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:49:40,451 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 103 [2020-07-07 10:49:40,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:40,455 INFO L225 Difference]: With dead ends: 433 [2020-07-07 10:49:40,455 INFO L226 Difference]: Without dead ends: 254 [2020-07-07 10:49:40,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:49:40,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-07-07 10:49:40,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 211. [2020-07-07 10:49:40,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-07-07 10:49:40,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 239 transitions. [2020-07-07 10:49:40,501 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 239 transitions. Word has length 103 [2020-07-07 10:49:40,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:40,502 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 239 transitions. [2020-07-07 10:49:40,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:49:40,502 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 239 transitions. [2020-07-07 10:49:40,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-07 10:49:40,503 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:40,503 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:40,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:49:40,504 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:40,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:40,504 INFO L82 PathProgramCache]: Analyzing trace with hash 861444538, now seen corresponding path program 1 times [2020-07-07 10:49:40,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:40,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642952536] [2020-07-07 10:49:40,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,766 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:40,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:40,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642952536] [2020-07-07 10:49:40,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:40,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:49:40,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585716168] [2020-07-07 10:49:40,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:49:40,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:40,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:49:40,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:49:40,910 INFO L87 Difference]: Start difference. First operand 211 states and 239 transitions. Second operand 7 states. [2020-07-07 10:49:41,374 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:41,868 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:43,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:43,503 INFO L93 Difference]: Finished difference Result 605 states and 753 transitions. [2020-07-07 10:49:43,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 10:49:43,504 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 103 [2020-07-07 10:49:43,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:43,508 INFO L225 Difference]: With dead ends: 605 [2020-07-07 10:49:43,508 INFO L226 Difference]: Without dead ends: 422 [2020-07-07 10:49:43,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:49:43,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-07-07 10:49:43,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 380. [2020-07-07 10:49:43,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-07-07 10:49:43,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 442 transitions. [2020-07-07 10:49:43,579 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 442 transitions. Word has length 103 [2020-07-07 10:49:43,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:43,580 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 442 transitions. [2020-07-07 10:49:43,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:49:43,580 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 442 transitions. [2020-07-07 10:49:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-07 10:49:43,581 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:43,582 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:43,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:49:43,582 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:43,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:43,583 INFO L82 PathProgramCache]: Analyzing trace with hash 2005328992, now seen corresponding path program 1 times [2020-07-07 10:49:43,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:43,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181795043] [2020-07-07 10:49:43,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:43,895 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:44,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181795043] [2020-07-07 10:49:44,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:44,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:49:44,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819259586] [2020-07-07 10:49:44,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:49:44,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:44,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:49:44,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:49:44,098 INFO L87 Difference]: Start difference. First operand 380 states and 442 transitions. Second operand 12 states. [2020-07-07 10:49:44,642 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:45,315 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:46,276 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:46,597 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:46,857 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:47,158 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:47,428 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:48,396 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:48,632 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:49,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:49,378 INFO L93 Difference]: Finished difference Result 1052 states and 1296 transitions. [2020-07-07 10:49:49,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-07 10:49:49,378 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 107 [2020-07-07 10:49:49,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:49,383 INFO L225 Difference]: With dead ends: 1052 [2020-07-07 10:49:49,384 INFO L226 Difference]: Without dead ends: 769 [2020-07-07 10:49:49,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-07-07 10:49:49,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-07-07 10:49:49,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 650. [2020-07-07 10:49:49,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2020-07-07 10:49:49,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 748 transitions. [2020-07-07 10:49:49,524 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 748 transitions. Word has length 107 [2020-07-07 10:49:49,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:49,526 INFO L479 AbstractCegarLoop]: Abstraction has 650 states and 748 transitions. [2020-07-07 10:49:49,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:49:49,526 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 748 transitions. [2020-07-07 10:49:49,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-07 10:49:49,528 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:49,528 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:49,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:49:49,529 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:49,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:49,529 INFO L82 PathProgramCache]: Analyzing trace with hash 2092455891, now seen corresponding path program 1 times [2020-07-07 10:49:49,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:49,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721223106] [2020-07-07 10:49:49,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,863 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-07 10:49:50,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721223106] [2020-07-07 10:49:50,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064094522] [2020-07-07 10:49:50,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:49:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:50,588 INFO L264 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:49:50,604 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:49:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:49:50,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:49:50,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:49:50,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045206768] [2020-07-07 10:49:50,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:49:50,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:50,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:49:50,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:49:50,814 INFO L87 Difference]: Start difference. First operand 650 states and 748 transitions. Second operand 20 states. [2020-07-07 10:49:52,195 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:52,527 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:52,806 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:53,056 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:53,673 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:53,957 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:49:54,337 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:49:55,079 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:55,727 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:56,628 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:49:56,885 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:57,180 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:57,856 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:49:58,470 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:58,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:58,737 INFO L93 Difference]: Finished difference Result 1024 states and 1200 transitions. [2020-07-07 10:49:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-07 10:49:58,738 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 151 [2020-07-07 10:49:58,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:58,739 INFO L225 Difference]: With dead ends: 1024 [2020-07-07 10:49:58,739 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:49:58,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=467, Invalid=1885, Unknown=0, NotChecked=0, Total=2352 [2020-07-07 10:49:58,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:49:58,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:49:58,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:49:58,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:49:58,746 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2020-07-07 10:49:58,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:58,746 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:49:58,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:49:58,747 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:49:58,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:49:58,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:49:58,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:49:59,749 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 222 [2020-07-07 10:50:00,187 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 224 [2020-07-07 10:50:00,824 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 230 [2020-07-07 10:50:01,388 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 230 [2020-07-07 10:50:02,688 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 230 [2020-07-07 10:50:03,208 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-07 10:50:03,908 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-07-07 10:50:04,203 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2020-07-07 10:50:05,009 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 30 [2020-07-07 10:50:05,182 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-07 10:50:05,363 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-07-07 10:50:06,029 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 30 [2020-07-07 10:50:06,173 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-07 10:50:06,380 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-07 10:50:06,564 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-07 10:50:06,703 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:50:07,340 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 30 [2020-07-07 10:50:08,195 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2020-07-07 10:50:08,408 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:08,922 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 30 [2020-07-07 10:50:09,142 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:50:09,540 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-07 10:50:10,453 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 39 [2020-07-07 10:50:10,630 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-07-07 10:50:11,471 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2020-07-07 10:50:11,655 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-07 10:50:11,900 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2020-07-07 10:50:12,067 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-07 10:50:12,863 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2020-07-07 10:50:13,135 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2020-07-07 10:50:13,974 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 28 [2020-07-07 10:50:14,160 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-07 10:50:14,335 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-07 10:50:14,622 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 14 [2020-07-07 10:50:15,198 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 30 [2020-07-07 10:50:15,365 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-07 10:50:15,552 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-07 10:50:15,684 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:50:15,843 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-07-07 10:50:16,029 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 17 [2020-07-07 10:50:16,194 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-07 10:50:16,365 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-07 10:50:16,869 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 26 [2020-07-07 10:50:17,060 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 10:50:17,245 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 10:50:17,465 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 26 [2020-07-07 10:50:18,053 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 29 [2020-07-07 10:50:18,058 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-07-07 10:50:18,058 INFO L268 CegarLoopResult]: For program point L318-2(lines 318 339) no Hoare annotation was computed. [2020-07-07 10:50:18,058 INFO L268 CegarLoopResult]: For program point L340(lines 317 341) no Hoare annotation was computed. [2020-07-07 10:50:18,058 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 293 348) no Hoare annotation was computed. [2020-07-07 10:50:18,058 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 293 348) no Hoare annotation was computed. [2020-07-07 10:50:18,059 INFO L268 CegarLoopResult]: For program point L324(lines 324 328) no Hoare annotation was computed. [2020-07-07 10:50:18,059 INFO L268 CegarLoopResult]: For program point L324-1(lines 324 328) no Hoare annotation was computed. [2020-07-07 10:50:18,059 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 293 348) no Hoare annotation was computed. [2020-07-07 10:50:18,059 INFO L268 CegarLoopResult]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-07-07 10:50:18,059 INFO L268 CegarLoopResult]: For program point L381-1(lines 381 385) no Hoare annotation was computed. [2020-07-07 10:50:18,060 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-07-07 10:50:18,060 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 349 408) no Hoare annotation was computed. [2020-07-07 10:50:18,060 INFO L268 CegarLoopResult]: For program point L375-2(lines 375 400) no Hoare annotation was computed. [2020-07-07 10:50:18,060 INFO L268 CegarLoopResult]: For program point L401(lines 374 402) no Hoare annotation was computed. [2020-07-07 10:50:18,060 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 349 408) no Hoare annotation was computed. [2020-07-07 10:50:18,060 INFO L268 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-07-07 10:50:18,060 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 349 408) no Hoare annotation was computed. [2020-07-07 10:50:18,061 INFO L268 CegarLoopResult]: For program point L394-1(line 394) no Hoare annotation was computed. [2020-07-07 10:50:18,061 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 224 230) the Hoare annotation is: true [2020-07-07 10:50:18,061 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 224 230) no Hoare annotation was computed. [2020-07-07 10:50:18,061 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 231 239) no Hoare annotation was computed. [2020-07-07 10:50:18,061 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 231 239) the Hoare annotation is: true [2020-07-07 10:50:18,061 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 231 239) no Hoare annotation was computed. [2020-07-07 10:50:18,062 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:18,062 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-07 10:50:18,062 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-07 10:50:18,062 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse1 .cse2))) [2020-07-07 10:50:18,062 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-07 10:50:18,062 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-07 10:50:18,063 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-07 10:50:18,063 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-07 10:50:18,063 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse1) (or (not (= 1 ~waterLevel~0)) .cse3 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-07 10:50:18,063 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-07 10:50:18,063 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-07 10:50:18,063 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-07 10:50:18,064 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1))) [2020-07-07 10:50:18,064 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-07 10:50:18,064 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-07 10:50:18,064 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-07 10:50:18,064 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-07 10:50:18,064 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-07 10:50:18,065 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 173 195) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:18,065 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (or (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:18,065 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2020-07-07 10:50:18,065 INFO L264 CegarLoopResult]: At program point L185-1(line 185) the Hoare annotation is: (or (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:18,065 INFO L268 CegarLoopResult]: For program point L183(lines 183 190) no Hoare annotation was computed. [2020-07-07 10:50:18,065 INFO L268 CegarLoopResult]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2020-07-07 10:50:18,065 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-07 10:50:18,066 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:18,066 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:18,066 INFO L264 CegarLoopResult]: At program point L179-1(line 179) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:18,066 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2020-07-07 10:50:18,066 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 127 150) no Hoare annotation was computed. [2020-07-07 10:50:18,066 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 127 150) no Hoare annotation was computed. [2020-07-07 10:50:18,066 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 127 150) no Hoare annotation was computed. [2020-07-07 10:50:18,067 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-07 10:50:18,067 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-07-07 10:50:18,067 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-07-07 10:50:18,067 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-07 10:50:18,067 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-07-07 10:50:18,067 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-07-07 10:50:18,067 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-07 10:50:18,067 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-07-07 10:50:18,067 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-07-07 10:50:18,068 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-07 10:50:18,068 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-07 10:50:18,068 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-07-07 10:50:18,068 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-07 10:50:18,068 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-07-07 10:50:18,068 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 883 891) no Hoare annotation was computed. [2020-07-07 10:50:18,068 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 883 891) the Hoare annotation is: true [2020-07-07 10:50:18,068 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 883 891) no Hoare annotation was computed. [2020-07-07 10:50:18,068 INFO L268 CegarLoopResult]: For program point L899-2(lines 899 907) no Hoare annotation was computed. [2020-07-07 10:50:18,069 INFO L268 CegarLoopResult]: For program point L922(line 922) no Hoare annotation was computed. [2020-07-07 10:50:18,069 INFO L268 CegarLoopResult]: For program point L922-1(line 922) no Hoare annotation was computed. [2020-07-07 10:50:18,069 INFO L268 CegarLoopResult]: For program point L911(lines 911 919) no Hoare annotation was computed. [2020-07-07 10:50:18,069 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 892 927) no Hoare annotation was computed. [2020-07-07 10:50:18,069 INFO L268 CegarLoopResult]: For program point L911-2(lines 911 919) no Hoare annotation was computed. [2020-07-07 10:50:18,069 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 892 927) no Hoare annotation was computed. [2020-07-07 10:50:18,069 INFO L268 CegarLoopResult]: For program point L899(lines 899 907) no Hoare annotation was computed. [2020-07-07 10:50:18,069 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 892 927) no Hoare annotation was computed. [2020-07-07 10:50:18,069 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 217 223) no Hoare annotation was computed. [2020-07-07 10:50:18,069 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 217 223) the Hoare annotation is: true [2020-07-07 10:50:18,070 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 247 292) no Hoare annotation was computed. [2020-07-07 10:50:18,070 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 247 292) no Hoare annotation was computed. [2020-07-07 10:50:18,070 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 247 292) no Hoare annotation was computed. [2020-07-07 10:50:18,070 INFO L268 CegarLoopResult]: For program point L574(lines 574 594) no Hoare annotation was computed. [2020-07-07 10:50:18,070 INFO L268 CegarLoopResult]: For program point L574-1(lines 574 594) no Hoare annotation was computed. [2020-07-07 10:50:18,070 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 560 605) no Hoare annotation was computed. [2020-07-07 10:50:18,070 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 560 605) no Hoare annotation was computed. [2020-07-07 10:50:18,070 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 560 605) no Hoare annotation was computed. [2020-07-07 10:50:18,071 INFO L268 CegarLoopResult]: For program point L580(lines 580 587) no Hoare annotation was computed. [2020-07-07 10:50:18,071 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:18,071 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2020-07-07 10:50:18,071 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2020-07-07 10:50:18,071 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:18,071 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 872 882) the Hoare annotation is: true [2020-07-07 10:50:18,071 INFO L271 CegarLoopResult]: At program point L877(line 877) the Hoare annotation is: true [2020-07-07 10:50:18,071 INFO L268 CegarLoopResult]: For program point L877-1(line 877) no Hoare annotation was computed. [2020-07-07 10:50:18,072 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 872 882) no Hoare annotation was computed. [2020-07-07 10:50:18,072 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 872 882) no Hoare annotation was computed. [2020-07-07 10:50:18,072 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 864 871) no Hoare annotation was computed. [2020-07-07 10:50:18,072 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 864 871) no Hoare annotation was computed. [2020-07-07 10:50:18,072 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 864 871) no Hoare annotation was computed. [2020-07-07 10:50:18,072 INFO L268 CegarLoopResult]: For program point L694(lines 694 700) no Hoare annotation was computed. [2020-07-07 10:50:18,072 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 690 703) no Hoare annotation was computed. [2020-07-07 10:50:18,072 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 690 703) the Hoare annotation is: true [2020-07-07 10:50:18,073 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 690 703) no Hoare annotation was computed. [2020-07-07 10:50:18,073 INFO L264 CegarLoopResult]: At program point L832(line 832) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:50:18,073 INFO L268 CegarLoopResult]: For program point L832-1(lines 813 837) no Hoare annotation was computed. [2020-07-07 10:50:18,073 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment_~tmp~6) (= 0 ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-07 10:50:18,073 INFO L264 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-07 10:50:18,074 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 813 837) no Hoare annotation was computed. [2020-07-07 10:50:18,074 INFO L268 CegarLoopResult]: For program point L821(lines 821 829) no Hoare annotation was computed. [2020-07-07 10:50:18,074 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 813 837) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse0))) [2020-07-07 10:50:18,074 INFO L264 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-07 10:50:18,074 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-07 10:50:18,074 INFO L268 CegarLoopResult]: For program point L817(lines 817 834) no Hoare annotation was computed. [2020-07-07 10:50:18,074 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 805 811) no Hoare annotation was computed. [2020-07-07 10:50:18,075 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 805 811) the Hoare annotation is: true [2020-07-07 10:50:18,075 INFO L264 CegarLoopResult]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:18,075 INFO L264 CegarLoopResult]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:18,075 INFO L268 CegarLoopResult]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2020-07-07 10:50:18,075 INFO L268 CegarLoopResult]: For program point L754(lines 754 758) no Hoare annotation was computed. [2020-07-07 10:50:18,075 INFO L264 CegarLoopResult]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-07 10:50:18,075 INFO L268 CegarLoopResult]: For program point L717(lines 716 763) no Hoare annotation was computed. [2020-07-07 10:50:18,076 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-07 10:50:18,076 INFO L268 CegarLoopResult]: For program point L746(lines 746 759) no Hoare annotation was computed. [2020-07-07 10:50:18,076 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-07 10:50:18,076 INFO L268 CegarLoopResult]: For program point L736(lines 736 742) no Hoare annotation was computed. [2020-07-07 10:50:18,076 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2020-07-07 10:50:18,076 INFO L264 CegarLoopResult]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-07 10:50:18,077 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-07 10:50:18,077 INFO L268 CegarLoopResult]: For program point L726(lines 726 732) no Hoare annotation was computed. [2020-07-07 10:50:18,077 INFO L268 CegarLoopResult]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2020-07-07 10:50:18,077 INFO L268 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-07-07 10:50:18,077 INFO L268 CegarLoopResult]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2020-07-07 10:50:18,077 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 514 559) no Hoare annotation was computed. [2020-07-07 10:50:18,077 INFO L268 CegarLoopResult]: For program point L534(lines 534 541) no Hoare annotation was computed. [2020-07-07 10:50:18,077 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 514 559) no Hoare annotation was computed. [2020-07-07 10:50:18,078 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 514 559) no Hoare annotation was computed. [2020-07-07 10:50:18,078 INFO L268 CegarLoopResult]: For program point L528(lines 528 548) no Hoare annotation was computed. [2020-07-07 10:50:18,078 INFO L268 CegarLoopResult]: For program point L528-1(lines 528 548) no Hoare annotation was computed. [2020-07-07 10:50:18,078 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 838 845) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:18,078 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 838 845) no Hoare annotation was computed. [2020-07-07 10:50:18,078 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 838 845) no Hoare annotation was computed. [2020-07-07 10:50:18,078 INFO L268 CegarLoopResult]: For program point L666(lines 666 674) no Hoare annotation was computed. [2020-07-07 10:50:18,078 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 658 680) no Hoare annotation was computed. [2020-07-07 10:50:18,078 INFO L268 CegarLoopResult]: For program point L666-2(lines 666 674) no Hoare annotation was computed. [2020-07-07 10:50:18,079 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 658 680) no Hoare annotation was computed. [2020-07-07 10:50:18,079 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 658 680) no Hoare annotation was computed. [2020-07-07 10:50:18,079 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 207 216) no Hoare annotation was computed. [2020-07-07 10:50:18,079 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 207 216) no Hoare annotation was computed. [2020-07-07 10:50:18,079 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 207 216) no Hoare annotation was computed. [2020-07-07 10:50:18,079 INFO L268 CegarLoopResult]: For program point L481(lines 459 482) no Hoare annotation was computed. [2020-07-07 10:50:18,079 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 411 513) no Hoare annotation was computed. [2020-07-07 10:50:18,079 INFO L268 CegarLoopResult]: For program point L440(lines 440 456) no Hoare annotation was computed. [2020-07-07 10:50:18,080 INFO L268 CegarLoopResult]: For program point L500(lines 500 507) no Hoare annotation was computed. [2020-07-07 10:50:18,080 INFO L268 CegarLoopResult]: For program point L461(lines 460 480) no Hoare annotation was computed. [2020-07-07 10:50:18,080 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-07-07 10:50:18,080 INFO L268 CegarLoopResult]: For program point L492-1(line 492) no Hoare annotation was computed. [2020-07-07 10:50:18,080 INFO L268 CegarLoopResult]: For program point L457(lines 457 498) no Hoare annotation was computed. [2020-07-07 10:50:18,080 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 411 513) no Hoare annotation was computed. [2020-07-07 10:50:18,080 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-07 10:50:18,080 INFO L268 CegarLoopResult]: For program point L476-1(line 476) no Hoare annotation was computed. [2020-07-07 10:50:18,080 INFO L268 CegarLoopResult]: For program point L435(lines 435 439) no Hoare annotation was computed. [2020-07-07 10:50:18,080 INFO L268 CegarLoopResult]: For program point L499(lines 499 510) no Hoare annotation was computed. [2020-07-07 10:50:18,081 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 411 513) no Hoare annotation was computed. [2020-07-07 10:50:18,081 INFO L268 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2020-07-07 10:50:18,081 INFO L268 CegarLoopResult]: For program point L460-2(lines 460 480) no Hoare annotation was computed. [2020-07-07 10:50:18,081 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:50:18,081 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)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|)) [2020-07-07 10:50:18,081 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:50:18,081 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 847 863) no Hoare annotation was computed. [2020-07-07 10:50:18,082 INFO L264 CegarLoopResult]: At program point L858(line 858) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:18,082 INFO L268 CegarLoopResult]: For program point L858-1(lines 847 863) no Hoare annotation was computed. [2020-07-07 10:50:18,082 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 847 863) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:18,082 INFO L268 CegarLoopResult]: For program point L854(lines 854 860) no Hoare annotation was computed. [2020-07-07 10:50:18,082 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:18,082 INFO L268 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-07-07 10:50:18,082 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 681 689) the Hoare annotation is: true [2020-07-07 10:50:18,082 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 681 689) no Hoare annotation was computed. [2020-07-07 10:50:18,082 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 681 689) no Hoare annotation was computed. [2020-07-07 10:50:18,083 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 928 946) no Hoare annotation was computed. [2020-07-07 10:50:18,083 INFO L268 CegarLoopResult]: For program point L937(lines 937 941) no Hoare annotation was computed. [2020-07-07 10:50:18,083 INFO L271 CegarLoopResult]: At program point L935(line 935) the Hoare annotation is: true [2020-07-07 10:50:18,083 INFO L268 CegarLoopResult]: For program point L937-2(lines 937 941) no Hoare annotation was computed. [2020-07-07 10:50:18,083 INFO L268 CegarLoopResult]: For program point L935-1(line 935) no Hoare annotation was computed. [2020-07-07 10:50:18,083 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 928 946) the Hoare annotation is: true [2020-07-07 10:50:18,083 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 928 946) no Hoare annotation was computed. [2020-07-07 10:50:18,083 INFO L268 CegarLoopResult]: For program point L641-1(lines 637 648) no Hoare annotation was computed. [2020-07-07 10:50:18,084 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 637 648) the Hoare annotation is: (let ((.cse3 (not (= 2 ~waterLevel~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse4 .cse2))) [2020-07-07 10:50:18,084 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 637 648) no Hoare annotation was computed. [2020-07-07 10:50:18,084 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:50:18,084 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:50:18,084 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:50:18,084 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 1 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse7 (not (= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse3) (or (and .cse4 .cse5) .cse6 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse2 .cse7 (and .cse0 .cse1 .cse5) .cse3) (or (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse7 .cse6 .cse3))) [2020-07-07 10:50:18,085 INFO L264 CegarLoopResult]: At program point L792(lines 792 798) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 1 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse7 (not (= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse3) (or (and .cse4 .cse5) .cse6 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse2 .cse7 (and .cse0 .cse1 .cse5) .cse3) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse4 .cse8) (and .cse8 (<= 1 ~pumpRunning~0)) .cse7 .cse6 .cse3)))) [2020-07-07 10:50:18,085 INFO L264 CegarLoopResult]: At program point L787(line 787) the Hoare annotation is: (let ((.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3) (or .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3))) [2020-07-07 10:50:18,085 INFO L268 CegarLoopResult]: For program point L785(lines 781 803) no Hoare annotation was computed. [2020-07-07 10:50:18,086 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 778 804) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3) (or .cse4 (and .cse5 .cse6 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (and .cse5 .cse6 .cse7) .cse1 .cse4 .cse3)))) [2020-07-07 10:50:18,086 INFO L268 CegarLoopResult]: For program point L783(lines 781 803) no Hoare annotation was computed. [2020-07-07 10:50:18,086 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 778 804) no Hoare annotation was computed. [2020-07-07 10:50:18,086 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 778 804) no Hoare annotation was computed. [2020-07-07 10:50:18,086 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2020-07-07 10:50:18,086 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2020-07-07 10:50:18,086 INFO L271 CegarLoopResult]: At program point L119(lines 94 123) the Hoare annotation is: true [2020-07-07 10:50:18,087 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-07 10:50:18,087 INFO L268 CegarLoopResult]: For program point L108(lines 108 112) no Hoare annotation was computed. [2020-07-07 10:50:18,087 INFO L271 CegarLoopResult]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2020-07-07 10:50:18,087 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-07-07 10:50:18,087 INFO L271 CegarLoopResult]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2020-07-07 10:50:18,087 INFO L271 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: true [2020-07-07 10:50:18,088 INFO L268 CegarLoopResult]: For program point L100-1(line 100) no Hoare annotation was computed. [2020-07-07 10:50:18,088 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 649 657) the Hoare annotation is: true [2020-07-07 10:50:18,088 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 649 657) no Hoare annotation was computed. [2020-07-07 10:50:18,088 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 649 657) no Hoare annotation was computed. [2020-07-07 10:50:18,088 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 613 624) the Hoare annotation is: (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:18,088 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 613 624) no Hoare annotation was computed. [2020-07-07 10:50:18,088 INFO L268 CegarLoopResult]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2020-07-07 10:50:18,089 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2020-07-07 10:50:18,089 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2020-07-07 10:50:18,089 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:50:18,089 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:50:18,089 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:50:18,089 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:50:18,090 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 947 954) no Hoare annotation was computed. [2020-07-07 10:50:18,090 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 947 954) the Hoare annotation is: (let ((.cse4 (= |old(~systemActive~0)| ~systemActive~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 1 |old(~systemActive~0)|))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse3 (= 1 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5) (or .cse4 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 .cse5 .cse3))) [2020-07-07 10:50:18,090 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 947 954) no Hoare annotation was computed. [2020-07-07 10:50:18,090 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 625 636) no Hoare annotation was computed. [2020-07-07 10:50:18,090 INFO L268 CegarLoopResult]: For program point L629-1(lines 625 636) no Hoare annotation was computed. [2020-07-07 10:50:18,091 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 625 636) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (or (= 1 ~waterLevel~0) .cse3 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse4 .cse3 .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse4 .cse1 .cse2))) [2020-07-07 10:50:18,091 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 197 204) no Hoare annotation was computed. [2020-07-07 10:50:18,091 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2020-07-07 10:50:18,091 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 197 204) the Hoare annotation is: true [2020-07-07 10:50:18,091 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 197 204) no Hoare annotation was computed. [2020-07-07 10:50:18,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:50:18 BoogieIcfgContainer [2020-07-07 10:50:18,110 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:50:18,112 INFO L168 Benchmark]: Toolchain (without parser) took 59309.16 ms. Allocated memory was 145.8 MB in the beginning and 748.7 MB in the end (delta: 602.9 MB). Free memory was 101.2 MB in the beginning and 81.1 MB in the end (delta: 20.1 MB). Peak memory consumption was 623.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:50:18,113 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:50:18,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.57 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.0 MB in the beginning and 173.1 MB in the end (delta: -72.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:50:18,114 INFO L168 Benchmark]: Boogie Preprocessor took 83.57 ms. Allocated memory is still 203.4 MB. Free memory was 173.1 MB in the beginning and 168.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:50:18,115 INFO L168 Benchmark]: RCFGBuilder took 1125.13 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.4 MB in the beginning and 195.8 MB in the end (delta: -27.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:50:18,115 INFO L168 Benchmark]: TraceAbstraction took 57459.15 ms. Allocated memory was 236.5 MB in the beginning and 748.7 MB in the end (delta: 512.2 MB). Free memory was 195.8 MB in the beginning and 81.1 MB in the end (delta: 114.7 MB). Peak memory consumption was 627.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:50:18,118 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 636.57 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.0 MB in the beginning and 173.1 MB in the end (delta: -72.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.57 ms. Allocated memory is still 203.4 MB. Free memory was 173.1 MB in the beginning and 168.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1125.13 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.4 MB in the beginning and 195.8 MB in the end (delta: -27.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 57459.15 ms. Allocated memory was 236.5 MB in the beginning and 748.7 MB in the end (delta: 512.2 MB). Free memory was 195.8 MB in the beginning and 81.1 MB in the end (delta: 114.7 MB). Peak memory consumption was 627.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 201]: 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: 716]: Loop Invariant Derived loop invariant: ((((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || (((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 31.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1356 SDtfs, 2899 SDslu, 1926 SDs, 0 SdLazy, 7292 SolverSat, 2018 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 655 GetRequests, 484 SyntacticMatches, 2 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987 ImplicationChecksByTransitivity, 15.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=650occurred 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: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 426 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 865 PreInvPairs, 934 NumberOfFragments, 1830 HoareAnnotationTreeSize, 865 FomulaSimplifications, 28438734 FormulaSimplificationTreeSizeReduction, 4.0s HoareSimplificationTime, 60 FomulaSimplificationsInter, 398034 FormulaSimplificationTreeSizeReductionInter, 14.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 1062 NumberOfCodeBlocks, 1062 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1051 ConstructedInterpolants, 0 QuantifiedInterpolants, 370463 SizeOfPredicates, 4 NumberOfNonLiveVariables, 925 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 86/105 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...