/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_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:44:17,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:44:17,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:44:17,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:44:17,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:44:17,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:44:17,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:44:17,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:44:17,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:44:17,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:44:17,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:44:17,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:44:17,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:44:17,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:44:17,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:44:17,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:44:17,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:44:17,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:44:17,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:44:17,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:44:17,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:44:17,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:44:17,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:44:17,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:44:17,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:44:17,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:44:17,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:44:17,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:44:17,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:44:17,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:44:17,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:44:17,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:44:17,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:44:17,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:44:17,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:44:17,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:44:17,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:44:17,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:44:17,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:44:17,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:44:17,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:44:17,516 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 10:44:17,552 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:44:17,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:44:17,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:44:17,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:44:17,557 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:44:17,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:44:17,558 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:44:17,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:44:17,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:44:17,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:44:17,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:44:17,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:44:17,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:44:17,559 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:44:17,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:44:17,562 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:44:17,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:44:17,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:44:17,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:44:17,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:44:17,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:44:17,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:44:17,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:44:17,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:44:17,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:44:17,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:44:17,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:44:17,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:44:17,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:44:17,565 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:44:17,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:44:17,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:44:17,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:44:17,894 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:44:17,894 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:44:17,895 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-07-07 10:44:17,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eec65d4f/e9163f1918ef495ea76020bd29bdacdc/FLAGd3587428e [2020-07-07 10:44:18,548 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:44:18,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-07-07 10:44:18,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eec65d4f/e9163f1918ef495ea76020bd29bdacdc/FLAGd3587428e [2020-07-07 10:44:18,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eec65d4f/e9163f1918ef495ea76020bd29bdacdc [2020-07-07 10:44:18,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:44:18,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:44:18,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:44:18,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:44:18,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:44:18,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:44:18" (1/1) ... [2020-07-07 10:44:18,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be4e3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:18, skipping insertion in model container [2020-07-07 10:44:18,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:44:18" (1/1) ... [2020-07-07 10:44:18,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:44:18,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:44:19,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:44:19,398 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:44:19,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:44:19,559 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:44:19,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:19 WrapperNode [2020-07-07 10:44:19,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:44:19,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:44:19,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:44:19,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:44:19,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:19" (1/1) ... [2020-07-07 10:44:19,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:19" (1/1) ... [2020-07-07 10:44:19,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:19" (1/1) ... [2020-07-07 10:44:19,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:19" (1/1) ... [2020-07-07 10:44:19,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:19" (1/1) ... [2020-07-07 10:44:19,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:19" (1/1) ... [2020-07-07 10:44:19,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:19" (1/1) ... [2020-07-07 10:44:19,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:44:19,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:44:19,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:44:19,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:44:19,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:19" (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 10:44:19,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:44:19,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:44:19,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:44:19,726 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:44:19,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:44:19,726 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:44:19,726 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:44:19,726 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:44:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:44:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:44:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:44:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:44:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:44:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:44:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:44:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:44:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:44:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:44:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:44:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:44:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:44:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:44:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:44:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:44:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:44:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:44:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:44:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:44:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:44:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:44:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:44:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:44:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:44:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:44:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:44:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:44:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:44:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:44:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:44:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:44:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:44:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:44:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:44:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:44:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:44:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:44:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:44:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:44:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:44:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:44:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:44:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:44:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:44:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:44:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:44:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:44:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:44:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:44:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:44:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:44:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:44:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:44:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:44:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:44:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:44:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:44:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:44:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:44:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:44:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:44:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:44:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:44:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:44:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:44:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:44:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:44:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:44:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:44:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:44:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:44:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:44:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:44:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:44:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:44:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:44:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:44:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:44:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:44:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:44:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:44:20,750 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:44:20,751 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:44:20,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:44:20 BoogieIcfgContainer [2020-07-07 10:44:20,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:44:20,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:44:20,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:44:20,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:44:20,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:44:18" (1/3) ... [2020-07-07 10:44:20,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f421c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:44:20, skipping insertion in model container [2020-07-07 10:44:20,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:19" (2/3) ... [2020-07-07 10:44:20,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f421c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:44:20, skipping insertion in model container [2020-07-07 10:44:20,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:44:20" (3/3) ... [2020-07-07 10:44:20,764 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2020-07-07 10:44:20,774 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:44:20,782 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:44:20,796 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:44:20,821 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:44:20,821 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:44:20,821 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:44:20,821 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:44:20,822 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:44:20,822 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:44:20,822 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:44:20,822 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:44:20,848 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-07-07 10:44:20,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:44:20,858 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:20,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:20,860 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:20,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:20,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1636335383, now seen corresponding path program 1 times [2020-07-07 10:44:20,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:20,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972587493] [2020-07-07 10:44:20,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:21,570 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:21,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:21,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972587493] [2020-07-07 10:44:21,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:21,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:44:21,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414606819] [2020-07-07 10:44:21,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:44:21,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:21,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:44:21,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:44:21,727 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 3 states. [2020-07-07 10:44:22,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:22,787 INFO L93 Difference]: Finished difference Result 270 states and 355 transitions. [2020-07-07 10:44:22,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:44:22,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-07 10:44:22,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:22,804 INFO L225 Difference]: With dead ends: 270 [2020-07-07 10:44:22,804 INFO L226 Difference]: Without dead ends: 146 [2020-07-07 10:44:22,808 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:44:22,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-07 10:44:22,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 115. [2020-07-07 10:44:22,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-07 10:44:22,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-07-07 10:44:22,902 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 52 [2020-07-07 10:44:22,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:22,903 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-07-07 10:44:22,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:44:22,903 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-07-07 10:44:22,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-07 10:44:22,907 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:22,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:22,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:44:22,907 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:22,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:22,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1439054439, now seen corresponding path program 1 times [2020-07-07 10:44:22,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:22,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988888537] [2020-07-07 10:44:22,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:23,300 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:23,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:23,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988888537] [2020-07-07 10:44:23,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:23,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:44:23,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671408216] [2020-07-07 10:44:23,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:44:23,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:23,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:44:23,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:44:23,369 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 4 states. [2020-07-07 10:44:23,813 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:24,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:24,480 INFO L93 Difference]: Finished difference Result 199 states and 242 transitions. [2020-07-07 10:44:24,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:44:24,481 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-07 10:44:24,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:24,486 INFO L225 Difference]: With dead ends: 199 [2020-07-07 10:44:24,486 INFO L226 Difference]: Without dead ends: 130 [2020-07-07 10:44:24,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:44:24,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-07 10:44:24,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-07-07 10:44:24,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-07 10:44:24,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-07-07 10:44:24,537 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 53 [2020-07-07 10:44:24,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:24,537 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-07-07 10:44:24,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:44:24,537 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-07-07 10:44:24,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-07 10:44:24,544 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:24,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:24,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:44:24,547 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:24,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:24,547 INFO L82 PathProgramCache]: Analyzing trace with hash -580669987, now seen corresponding path program 1 times [2020-07-07 10:44:24,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:24,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547536236] [2020-07-07 10:44:24,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,890 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:25,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:25,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547536236] [2020-07-07 10:44:25,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:25,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:25,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675781310] [2020-07-07 10:44:25,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:25,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:25,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:25,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:25,020 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 8 states. [2020-07-07 10:44:25,461 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:25,753 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:25,996 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:26,241 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:27,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:27,199 INFO L93 Difference]: Finished difference Result 212 states and 260 transitions. [2020-07-07 10:44:27,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:44:27,200 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-07 10:44:27,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:27,203 INFO L225 Difference]: With dead ends: 212 [2020-07-07 10:44:27,204 INFO L226 Difference]: Without dead ends: 130 [2020-07-07 10:44:27,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:44:27,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-07 10:44:27,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-07-07 10:44:27,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-07 10:44:27,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2020-07-07 10:44:27,236 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 58 [2020-07-07 10:44:27,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:27,236 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2020-07-07 10:44:27,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:27,237 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2020-07-07 10:44:27,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-07 10:44:27,238 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:27,238 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:27,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:44:27,239 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:27,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:27,239 INFO L82 PathProgramCache]: Analyzing trace with hash 2122897594, now seen corresponding path program 1 times [2020-07-07 10:44:27,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:27,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111790008] [2020-07-07 10:44:27,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,501 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:27,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111790008] [2020-07-07 10:44:27,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:27,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:44:27,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413855399] [2020-07-07 10:44:27,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:44:27,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:27,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:44:27,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:44:27,629 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 6 states. [2020-07-07 10:44:27,956 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:29,147 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:29,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:29,662 INFO L93 Difference]: Finished difference Result 312 states and 384 transitions. [2020-07-07 10:44:29,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:44:29,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-07-07 10:44:29,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:29,667 INFO L225 Difference]: With dead ends: 312 [2020-07-07 10:44:29,668 INFO L226 Difference]: Without dead ends: 230 [2020-07-07 10:44:29,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:44:29,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-07-07 10:44:29,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 187. [2020-07-07 10:44:29,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-07-07 10:44:29,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 214 transitions. [2020-07-07 10:44:29,712 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 214 transitions. Word has length 66 [2020-07-07 10:44:29,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:29,712 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 214 transitions. [2020-07-07 10:44:29,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:44:29,713 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 214 transitions. [2020-07-07 10:44:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-07 10:44:29,714 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:29,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:29,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:44:29,715 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:29,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:29,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1628331355, now seen corresponding path program 1 times [2020-07-07 10:44:29,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:29,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212207959] [2020-07-07 10:44:29,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,013 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:30,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212207959] [2020-07-07 10:44:30,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:30,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:30,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11708689] [2020-07-07 10:44:30,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:30,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:30,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:30,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:30,113 INFO L87 Difference]: Start difference. First operand 187 states and 214 transitions. Second operand 8 states. [2020-07-07 10:44:30,575 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:31,811 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:32,129 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:32,363 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:32,594 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:33,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:33,243 INFO L93 Difference]: Finished difference Result 513 states and 644 transitions. [2020-07-07 10:44:33,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-07 10:44:33,244 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-07-07 10:44:33,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:33,250 INFO L225 Difference]: With dead ends: 513 [2020-07-07 10:44:33,250 INFO L226 Difference]: Without dead ends: 350 [2020-07-07 10:44:33,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:44:33,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-07-07 10:44:33,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 307. [2020-07-07 10:44:33,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-07-07 10:44:33,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 357 transitions. [2020-07-07 10:44:33,334 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 357 transitions. Word has length 80 [2020-07-07 10:44:33,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:33,335 INFO L479 AbstractCegarLoop]: Abstraction has 307 states and 357 transitions. [2020-07-07 10:44:33,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:33,335 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 357 transitions. [2020-07-07 10:44:33,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-07 10:44:33,338 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:33,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:33,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:44:33,339 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:33,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:33,340 INFO L82 PathProgramCache]: Analyzing trace with hash 452882261, now seen corresponding path program 1 times [2020-07-07 10:44:33,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:33,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167586666] [2020-07-07 10:44:33,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,667 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:33,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167586666] [2020-07-07 10:44:33,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:33,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:44:33,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638033512] [2020-07-07 10:44:33,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:44:33,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:33,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:44:33,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:44:33,790 INFO L87 Difference]: Start difference. First operand 307 states and 357 transitions. Second operand 9 states. [2020-07-07 10:44:34,318 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:34,876 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:36,318 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:37,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:37,666 INFO L93 Difference]: Finished difference Result 759 states and 975 transitions. [2020-07-07 10:44:37,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:44:37,667 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-07-07 10:44:37,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:37,674 INFO L225 Difference]: With dead ends: 759 [2020-07-07 10:44:37,674 INFO L226 Difference]: Without dead ends: 585 [2020-07-07 10:44:37,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:44:37,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-07-07 10:44:37,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 514. [2020-07-07 10:44:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-07-07 10:44:37,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 618 transitions. [2020-07-07 10:44:37,781 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 618 transitions. Word has length 84 [2020-07-07 10:44:37,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:37,782 INFO L479 AbstractCegarLoop]: Abstraction has 514 states and 618 transitions. [2020-07-07 10:44:37,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:44:37,782 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 618 transitions. [2020-07-07 10:44:37,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-07 10:44:37,784 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:37,784 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:37,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:44:37,785 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:37,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:37,785 INFO L82 PathProgramCache]: Analyzing trace with hash 782648022, now seen corresponding path program 1 times [2020-07-07 10:44:37,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:37,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679438705] [2020-07-07 10:44:37,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,044 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:38,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679438705] [2020-07-07 10:44:38,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:38,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:38,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054840180] [2020-07-07 10:44:38,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:38,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:38,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:38,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:38,186 INFO L87 Difference]: Start difference. First operand 514 states and 618 transitions. Second operand 8 states. [2020-07-07 10:44:39,164 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:39,396 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:44:39,640 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:40,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:40,516 INFO L93 Difference]: Finished difference Result 936 states and 1169 transitions. [2020-07-07 10:44:40,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:44:40,518 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-07-07 10:44:40,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:40,524 INFO L225 Difference]: With dead ends: 936 [2020-07-07 10:44:40,525 INFO L226 Difference]: Without dead ends: 559 [2020-07-07 10:44:40,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:44:40,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-07-07 10:44:40,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 514. [2020-07-07 10:44:40,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-07-07 10:44:40,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 617 transitions. [2020-07-07 10:44:40,637 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 617 transitions. Word has length 84 [2020-07-07 10:44:40,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:40,638 INFO L479 AbstractCegarLoop]: Abstraction has 514 states and 617 transitions. [2020-07-07 10:44:40,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:40,638 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 617 transitions. [2020-07-07 10:44:40,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-07 10:44:40,640 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:40,640 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:40,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:44:40,641 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:40,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:40,641 INFO L82 PathProgramCache]: Analyzing trace with hash 710261464, now seen corresponding path program 1 times [2020-07-07 10:44:40,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:40,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081716161] [2020-07-07 10:44:40,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,889 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:41,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081716161] [2020-07-07 10:44:41,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:41,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:44:41,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127461134] [2020-07-07 10:44:41,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:44:41,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:41,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:44:41,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:44:41,063 INFO L87 Difference]: Start difference. First operand 514 states and 617 transitions. Second operand 12 states. [2020-07-07 10:44:41,637 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:41,880 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:42,126 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:42,799 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:43,038 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:44:43,308 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:43,545 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:44,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:44,470 INFO L93 Difference]: Finished difference Result 1011 states and 1254 transitions. [2020-07-07 10:44:44,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 10:44:44,471 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-07-07 10:44:44,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:44,476 INFO L225 Difference]: With dead ends: 1011 [2020-07-07 10:44:44,477 INFO L226 Difference]: Without dead ends: 521 [2020-07-07 10:44:44,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-07-07 10:44:44,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2020-07-07 10:44:44,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 487. [2020-07-07 10:44:44,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2020-07-07 10:44:44,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 582 transitions. [2020-07-07 10:44:44,604 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 582 transitions. Word has length 84 [2020-07-07 10:44:44,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:44,604 INFO L479 AbstractCegarLoop]: Abstraction has 487 states and 582 transitions. [2020-07-07 10:44:44,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:44:44,604 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 582 transitions. [2020-07-07 10:44:44,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-07 10:44:44,607 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:44,607 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:44,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:44:44,608 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:44,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:44,608 INFO L82 PathProgramCache]: Analyzing trace with hash 851492262, now seen corresponding path program 1 times [2020-07-07 10:44:44,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:44,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410828072] [2020-07-07 10:44:44,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,887 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:45,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410828072] [2020-07-07 10:44:45,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:45,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-07 10:44:45,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891386974] [2020-07-07 10:44:45,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-07 10:44:45,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:45,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-07 10:44:45,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:44:45,037 INFO L87 Difference]: Start difference. First operand 487 states and 582 transitions. Second operand 13 states. [2020-07-07 10:44:46,391 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:46,634 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:46,856 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:47,762 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:48,369 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:48,717 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:44:48,985 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:44:49,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:49,562 INFO L93 Difference]: Finished difference Result 837 states and 1009 transitions. [2020-07-07 10:44:49,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:44:49,563 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 85 [2020-07-07 10:44:49,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:49,564 INFO L225 Difference]: With dead ends: 837 [2020-07-07 10:44:49,564 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:44:49,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:44:49,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:44:49,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:44:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:44:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:44:49,568 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-07-07 10:44:49,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:49,568 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:44:49,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-07 10:44:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:44:49,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:44:49,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:44:49,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:44:50,771 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-07-07 10:44:52,022 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-07-07 10:44:52,670 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-07-07 10:44:53,676 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-07-07 10:44:53,839 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-07 10:44:54,012 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-07-07 10:44:54,182 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-07-07 10:44:54,348 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-07-07 10:44:55,029 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 30 [2020-07-07 10:44:55,197 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-07-07 10:44:55,667 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-07-07 10:44:56,017 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-07 10:44:56,229 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-07-07 10:44:56,773 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-07 10:44:57,418 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-07-07 10:44:57,588 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-07-07 10:44:57,793 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:57,964 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-07-07 10:44:58,129 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-07 10:44:58,839 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-07-07 10:44:59,009 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-07 10:44:59,212 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:44:59,802 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-07-07 10:44:59,960 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-07 10:45:00,453 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-07-07 10:45:00,900 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-07-07 10:45:01,356 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 19 [2020-07-07 10:45:01,706 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-07-07 10:45:01,881 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-07-07 10:45:02,232 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 34 [2020-07-07 10:45:02,405 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-07-07 10:45:02,586 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-07 10:45:03,095 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-07 10:45:03,256 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-07-07 10:45:03,433 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-07-07 10:45:03,903 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-07-07 10:45:04,058 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-07 10:45:04,278 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-07 10:45:04,465 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-07 10:45:04,829 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-07 10:45:05,155 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 24 [2020-07-07 10:45:05,480 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 24 [2020-07-07 10:45:05,484 INFO L268 CegarLoopResult]: For program point L479(lines 456 480) no Hoare annotation was computed. [2020-07-07 10:45:05,485 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 432 487) no Hoare annotation was computed. [2020-07-07 10:45:05,485 INFO L268 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-07-07 10:45:05,485 INFO L268 CegarLoopResult]: For program point L463-1(lines 463 467) no Hoare annotation was computed. [2020-07-07 10:45:05,485 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-07 10:45:05,485 INFO L268 CegarLoopResult]: For program point L457-2(lines 457 478) no Hoare annotation was computed. [2020-07-07 10:45:05,485 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 432 487) no Hoare annotation was computed. [2020-07-07 10:45:05,485 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 432 487) no Hoare annotation was computed. [2020-07-07 10:45:05,485 INFO L268 CegarLoopResult]: For program point L514-2(lines 514 539) no Hoare annotation was computed. [2020-07-07 10:45:05,486 INFO L268 CegarLoopResult]: For program point L540(lines 513 541) no Hoare annotation was computed. [2020-07-07 10:45:05,486 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 488 547) no Hoare annotation was computed. [2020-07-07 10:45:05,486 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-07 10:45:05,486 INFO L268 CegarLoopResult]: For program point L533-1(line 533) no Hoare annotation was computed. [2020-07-07 10:45:05,486 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 488 547) no Hoare annotation was computed. [2020-07-07 10:45:05,487 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 488 547) no Hoare annotation was computed. [2020-07-07 10:45:05,487 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-07-07 10:45:05,487 INFO L268 CegarLoopResult]: For program point L520-1(lines 520 524) no Hoare annotation was computed. [2020-07-07 10:45:05,487 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-07 10:45:05,487 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 903 909) the Hoare annotation is: true [2020-07-07 10:45:05,488 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 903 909) no Hoare annotation was computed. [2020-07-07 10:45:05,488 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 910 918) no Hoare annotation was computed. [2020-07-07 10:45:05,488 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 910 918) the Hoare annotation is: true [2020-07-07 10:45:05,488 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 910 918) no Hoare annotation was computed. [2020-07-07 10:45:05,489 INFO L264 CegarLoopResult]: At program point L194-1(line 194) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:05,490 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 188 210) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:05,490 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 188 210) no Hoare annotation was computed. [2020-07-07 10:45:05,490 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 188 210) no Hoare annotation was computed. [2020-07-07 10:45:05,490 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~1) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:05,490 INFO L264 CegarLoopResult]: At program point L200-1(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~1) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:05,491 INFO L268 CegarLoopResult]: For program point L198(lines 198 205) no Hoare annotation was computed. [2020-07-07 10:45:05,492 INFO L268 CegarLoopResult]: For program point L198-1(lines 198 205) no Hoare annotation was computed. [2020-07-07 10:45:05,492 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-07 10:45:05,493 INFO L264 CegarLoopResult]: At program point L195(line 195) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:05,493 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:05,493 INFO L268 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-07-07 10:45:05,493 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-07 10:45:05,493 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 144 167) no Hoare annotation was computed. [2020-07-07 10:45:05,493 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-07-07 10:45:05,493 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-07-07 10:45:05,493 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-07 10:45:05,493 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 144 167) no Hoare annotation was computed. [2020-07-07 10:45:05,493 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-07-07 10:45:05,493 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 144 167) no Hoare annotation was computed. [2020-07-07 10:45:05,493 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-07-07 10:45:05,494 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-07 10:45:05,494 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-07-07 10:45:05,494 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-07-07 10:45:05,494 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-07 10:45:05,494 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-07-07 10:45:05,495 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-07-07 10:45:05,495 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-07-07 10:45:05,495 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 307 315) no Hoare annotation was computed. [2020-07-07 10:45:05,495 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 307 315) the Hoare annotation is: true [2020-07-07 10:45:05,495 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 307 315) no Hoare annotation was computed. [2020-07-07 10:45:05,495 INFO L268 CegarLoopResult]: For program point L323-2(lines 323 331) no Hoare annotation was computed. [2020-07-07 10:45:05,495 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-07-07 10:45:05,495 INFO L268 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-07-07 10:45:05,495 INFO L268 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2020-07-07 10:45:05,495 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 316 351) no Hoare annotation was computed. [2020-07-07 10:45:05,496 INFO L268 CegarLoopResult]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2020-07-07 10:45:05,496 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 316 351) no Hoare annotation was computed. [2020-07-07 10:45:05,496 INFO L268 CegarLoopResult]: For program point L323(lines 323 331) no Hoare annotation was computed. [2020-07-07 10:45:05,496 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 316 351) no Hoare annotation was computed. [2020-07-07 10:45:05,496 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 896 902) no Hoare annotation was computed. [2020-07-07 10:45:05,496 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 896 902) the Hoare annotation is: true [2020-07-07 10:45:05,496 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 386 431) no Hoare annotation was computed. [2020-07-07 10:45:05,496 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 386 431) no Hoare annotation was computed. [2020-07-07 10:45:05,496 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 386 431) no Hoare annotation was computed. [2020-07-07 10:45:05,496 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 699 744) no Hoare annotation was computed. [2020-07-07 10:45:05,496 INFO L268 CegarLoopResult]: For program point L719(lines 719 726) no Hoare annotation was computed. [2020-07-07 10:45:05,496 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 699 744) no Hoare annotation was computed. [2020-07-07 10:45:05,496 INFO L268 CegarLoopResult]: For program point L713(lines 713 733) no Hoare annotation was computed. [2020-07-07 10:45:05,497 INFO L268 CegarLoopResult]: For program point L713-1(lines 713 733) no Hoare annotation was computed. [2020-07-07 10:45:05,497 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 699 744) no Hoare annotation was computed. [2020-07-07 10:45:05,497 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 175 184) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:05,497 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 175 184) no Hoare annotation was computed. [2020-07-07 10:45:05,497 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 175 184) no Hoare annotation was computed. [2020-07-07 10:45:05,497 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 296 306) no Hoare annotation was computed. [2020-07-07 10:45:05,497 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-07-07 10:45:05,497 INFO L268 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-07-07 10:45:05,497 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 296 306) no Hoare annotation was computed. [2020-07-07 10:45:05,497 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 296 306) no Hoare annotation was computed. [2020-07-07 10:45:05,497 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 288 295) no Hoare annotation was computed. [2020-07-07 10:45:05,497 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 288 295) no Hoare annotation was computed. [2020-07-07 10:45:05,498 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 288 295) no Hoare annotation was computed. [2020-07-07 10:45:05,498 INFO L268 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2020-07-07 10:45:05,498 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2020-07-07 10:45:05,498 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2020-07-07 10:45:05,498 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 870 883) no Hoare annotation was computed. [2020-07-07 10:45:05,498 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2020-07-07 10:45:05,498 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 255 279) 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)|) .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse0) (or .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse0))) [2020-07-07 10:45:05,498 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:45:05,498 INFO L268 CegarLoopResult]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2020-07-07 10:45:05,498 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-07 10:45:05,499 INFO L264 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (not (= 0 processEnvironment_~tmp~2)))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-07 10:45:05,499 INFO L268 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-07-07 10:45:05,499 INFO L264 CegarLoopResult]: At program point L261(line 261) 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)|)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse0) (or .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse0))) [2020-07-07 10:45:05,499 INFO L268 CegarLoopResult]: For program point L261-1(line 261) no Hoare annotation was computed. [2020-07-07 10:45:05,499 INFO L268 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2020-07-07 10:45:05,499 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2020-07-07 10:45:05,499 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2020-07-07 10:45:05,500 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:05,500 INFO L268 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-07-07 10:45:05,500 INFO L264 CegarLoopResult]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (<= 1 ~pumpRunning~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-07 10:45:05,500 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-07-07 10:45:05,500 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (<= 1 ~pumpRunning~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-07 10:45:05,500 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-07-07 10:45:05,500 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-07-07 10:45:05,500 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (<= 1 ~pumpRunning~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-07 10:45:05,500 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-07 10:45:05,500 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-07-07 10:45:05,501 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (<= 1 ~pumpRunning~0)))) [2020-07-07 10:45:05,501 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (<= 1 ~pumpRunning~0)))) [2020-07-07 10:45:05,501 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-07 10:45:05,501 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-07-07 10:45:05,501 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-07-07 10:45:05,501 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:05,501 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-07-07 10:45:05,501 INFO L268 CegarLoopResult]: For program point L673(lines 673 680) no Hoare annotation was computed. [2020-07-07 10:45:05,501 INFO L268 CegarLoopResult]: For program point L667(lines 667 687) no Hoare annotation was computed. [2020-07-07 10:45:05,501 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 687) no Hoare annotation was computed. [2020-07-07 10:45:05,501 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 653 698) no Hoare annotation was computed. [2020-07-07 10:45:05,502 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 653 698) no Hoare annotation was computed. [2020-07-07 10:45:05,502 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 653 698) no Hoare annotation was computed. [2020-07-07 10:45:05,502 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-07-07 10:45:05,502 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-07-07 10:45:05,502 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2020-07-07 10:45:05,502 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2020-07-07 10:45:05,502 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2020-07-07 10:45:05,502 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 550 652) no Hoare annotation was computed. [2020-07-07 10:45:05,502 INFO L268 CegarLoopResult]: For program point L574(lines 574 578) no Hoare annotation was computed. [2020-07-07 10:45:05,502 INFO L268 CegarLoopResult]: For program point L638(lines 638 649) no Hoare annotation was computed. [2020-07-07 10:45:05,502 INFO L268 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-07-07 10:45:05,502 INFO L268 CegarLoopResult]: For program point L599-2(lines 599 619) no Hoare annotation was computed. [2020-07-07 10:45:05,503 INFO L268 CegarLoopResult]: For program point L620(lines 598 621) no Hoare annotation was computed. [2020-07-07 10:45:05,503 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 550 652) no Hoare annotation was computed. [2020-07-07 10:45:05,503 INFO L268 CegarLoopResult]: For program point L579(lines 579 595) no Hoare annotation was computed. [2020-07-07 10:45:05,503 INFO L268 CegarLoopResult]: For program point L639(lines 639 646) no Hoare annotation was computed. [2020-07-07 10:45:05,503 INFO L268 CegarLoopResult]: For program point L600(lines 599 619) no Hoare annotation was computed. [2020-07-07 10:45:05,503 INFO L268 CegarLoopResult]: For program point L631(line 631) no Hoare annotation was computed. [2020-07-07 10:45:05,503 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-07-07 10:45:05,503 INFO L268 CegarLoopResult]: For program point L596(lines 596 637) no Hoare annotation was computed. [2020-07-07 10:45:05,503 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 550 652) no Hoare annotation was computed. [2020-07-07 10:45:05,503 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-07-07 10:45:05,503 INFO L268 CegarLoopResult]: For program point L615-1(line 615) no Hoare annotation was computed. [2020-07-07 10:45:05,503 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 886 895) no Hoare annotation was computed. [2020-07-07 10:45:05,503 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 886 895) no Hoare annotation was computed. [2020-07-07 10:45:05,504 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 886 895) no Hoare annotation was computed. [2020-07-07 10:45:05,504 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:05,504 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:45:05,504 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:05,504 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2020-07-07 10:45:05,504 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2020-07-07 10:45:05,504 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 280 287) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-07 10:45:05,504 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 352 370) no Hoare annotation was computed. [2020-07-07 10:45:05,505 INFO L268 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-07-07 10:45:05,505 INFO L271 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-07-07 10:45:05,505 INFO L268 CegarLoopResult]: For program point L361-2(lines 361 365) no Hoare annotation was computed. [2020-07-07 10:45:05,505 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-07-07 10:45:05,505 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 352 370) the Hoare annotation is: true [2020-07-07 10:45:05,505 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 352 370) no Hoare annotation was computed. [2020-07-07 10:45:05,505 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2020-07-07 10:45:05,505 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2020-07-07 10:45:05,505 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2020-07-07 10:45:05,506 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2))) [2020-07-07 10:45:05,506 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-07-07 10:45:05,506 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-07-07 10:45:05,506 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:05,506 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:45:05,506 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:05,506 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 (= 1 ~waterLevel~0)) .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) .cse2) (or (and .cse0 .cse3) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2020-07-07 10:45:05,506 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse3 (<= ~waterLevel~0 1) .cse2))) [2020-07-07 10:45:05,507 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2020-07-07 10:45:05,507 INFO L264 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or (and (= 0 ~pumpRunning~0) .cse0) (and (= 1 ~waterLevel~0) .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 (<= ~waterLevel~0 1) .cse3))) [2020-07-07 10:45:05,507 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2020-07-07 10:45:05,507 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-07 10:45:05,507 INFO L268 CegarLoopResult]: For program point L227(lines 226 245) no Hoare annotation was computed. [2020-07-07 10:45:05,507 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 113 142) no Hoare annotation was computed. [2020-07-07 10:45:05,508 INFO L268 CegarLoopResult]: For program point L127(lines 127 131) no Hoare annotation was computed. [2020-07-07 10:45:05,508 INFO L271 CegarLoopResult]: At program point L127-1(lines 127 131) the Hoare annotation is: true [2020-07-07 10:45:05,508 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 113 142) the Hoare annotation is: true [2020-07-07 10:45:05,508 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-07 10:45:05,508 INFO L271 CegarLoopResult]: At program point L123-2(lines 123 137) the Hoare annotation is: true [2020-07-07 10:45:05,508 INFO L271 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: true [2020-07-07 10:45:05,508 INFO L268 CegarLoopResult]: For program point L119-1(line 119) no Hoare annotation was computed. [2020-07-07 10:45:05,509 INFO L271 CegarLoopResult]: At program point L138(lines 113 142) the Hoare annotation is: true [2020-07-07 10:45:05,509 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-07-07 10:45:05,509 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2020-07-07 10:45:05,509 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2020-07-07 10:45:05,509 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2020-07-07 10:45:05,509 INFO L268 CegarLoopResult]: For program point L767(lines 767 773) no Hoare annotation was computed. [2020-07-07 10:45:05,509 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2020-07-07 10:45:05,509 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 748 780) no Hoare annotation was computed. [2020-07-07 10:45:05,509 INFO L268 CegarLoopResult]: For program point L765-1(line 765) no Hoare annotation was computed. [2020-07-07 10:45:05,510 INFO L268 CegarLoopResult]: For program point L763(lines 763 776) no Hoare annotation was computed. [2020-07-07 10:45:05,510 INFO L268 CegarLoopResult]: For program point L763-1(lines 748 780) no Hoare annotation was computed. [2020-07-07 10:45:05,510 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 748 780) the Hoare annotation is: true [2020-07-07 10:45:05,510 INFO L271 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: true [2020-07-07 10:45:05,510 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-07-07 10:45:05,510 INFO L268 CegarLoopResult]: For program point L757(lines 757 777) no Hoare annotation was computed. [2020-07-07 10:45:05,510 INFO L271 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: true [2020-07-07 10:45:05,510 INFO L268 CegarLoopResult]: For program point L755-1(line 755) no Hoare annotation was computed. [2020-07-07 10:45:05,510 INFO L264 CegarLoopResult]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0))) [2020-07-07 10:45:05,511 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:05,511 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-07-07 10:45:05,511 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-07-07 10:45:05,511 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 168 174) no Hoare annotation was computed. [2020-07-07 10:45:05,511 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 168 174) the Hoare annotation is: true [2020-07-07 10:45:05,511 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:05,511 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 10:45:05,512 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:45:05,512 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:05,512 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 371 378) no Hoare annotation was computed. [2020-07-07 10:45:05,512 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 371 378) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 1 |old(~systemActive~0)|))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-07 10:45:05,512 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 371 378) no Hoare annotation was computed. [2020-07-07 10:45:05,512 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2020-07-07 10:45:05,512 INFO L268 CegarLoopResult]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2020-07-07 10:45:05,513 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) .cse0) (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) .cse0))) [2020-07-07 10:45:05,513 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 782 789) no Hoare annotation was computed. [2020-07-07 10:45:05,513 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2020-07-07 10:45:05,513 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 782 789) the Hoare annotation is: true [2020-07-07 10:45:05,513 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 782 789) no Hoare annotation was computed. [2020-07-07 10:45:05,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:45:05 BoogieIcfgContainer [2020-07-07 10:45:05,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:45:05,534 INFO L168 Benchmark]: Toolchain (without parser) took 46729.83 ms. Allocated memory was 139.5 MB in the beginning and 705.7 MB in the end (delta: 566.2 MB). Free memory was 103.6 MB in the beginning and 284.3 MB in the end (delta: -180.7 MB). Peak memory consumption was 567.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:05,535 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-07 10:45:05,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.71 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 103.3 MB in the beginning and 173.7 MB in the end (delta: -70.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:05,536 INFO L168 Benchmark]: Boogie Preprocessor took 96.97 ms. Allocated memory is still 203.9 MB. Free memory was 173.7 MB in the beginning and 169.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:05,537 INFO L168 Benchmark]: RCFGBuilder took 1098.13 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 169.5 MB in the beginning and 199.3 MB in the end (delta: -29.8 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:05,538 INFO L168 Benchmark]: TraceAbstraction took 44775.51 ms. Allocated memory was 237.0 MB in the beginning and 705.7 MB in the end (delta: 468.7 MB). Free memory was 199.3 MB in the beginning and 284.3 MB in the end (delta: -84.9 MB). Peak memory consumption was 565.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:05,541 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 754.71 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 103.3 MB in the beginning and 173.7 MB in the end (delta: -70.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.97 ms. Allocated memory is still 203.9 MB. Free memory was 173.7 MB in the beginning and 169.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1098.13 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 169.5 MB in the beginning and 199.3 MB in the end (delta: -29.8 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44775.51 ms. Allocated memory was 237.0 MB in the beginning and 705.7 MB in the end (delta: 468.7 MB). Free memory was 199.3 MB in the beginning and 284.3 MB in the end (delta: -84.9 MB). Peak memory consumption was 565.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: 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: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 222 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.7s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 23.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1009 SDtfs, 1778 SDslu, 1155 SDs, 0 SdLazy, 5348 SolverSat, 1166 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=514occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 315 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 902 PreInvPairs, 960 NumberOfFragments, 1337 HoareAnnotationTreeSize, 902 FomulaSimplifications, 1782203 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 53 FomulaSimplificationsInter, 37256 FormulaSimplificationTreeSizeReductionInter, 12.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 646 NumberOfCodeBlocks, 646 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 637 ConstructedInterpolants, 0 QuantifiedInterpolants, 194491 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 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...