/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:38:24,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:38:24,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:38:24,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:38:24,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:38:24,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:38:24,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:38:24,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:38:24,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:38:24,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:38:24,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:38:24,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:38:24,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:38:24,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:38:24,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:38:24,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:38:24,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:38:24,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:38:24,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:38:24,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:38:24,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:38:24,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:38:24,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:38:24,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:38:24,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:38:24,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:38:24,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:38:24,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:38:24,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:38:24,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:38:24,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:38:24,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:38:24,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:38:24,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:38:24,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:38:24,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:38:24,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:38:24,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:38:24,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:38:24,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:38:24,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:38:24,427 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 11:38:24,442 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:38:24,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:38:24,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:38:24,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:38:24,447 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:38:24,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:38:24,447 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:38:24,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:38:24,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:38:24,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:38:24,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:38:24,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:38:24,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:38:24,449 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:38:24,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:38:24,449 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:38:24,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:38:24,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:38:24,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:38:24,451 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:38:24,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:38:24,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:38:24,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:38:24,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:38:24,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:38:24,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:38:24,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:38:24,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:38:24,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:38:24,453 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:38:24,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:38:24,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:38:24,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:38:24,744 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:38:24,744 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:38:24,745 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-07-17 11:38:24,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62fdf0312/3e15e67b9ecf40c08d6b954139a947e2/FLAG7ab861562 [2020-07-17 11:38:25,447 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:38:25,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-07-17 11:38:25,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62fdf0312/3e15e67b9ecf40c08d6b954139a947e2/FLAG7ab861562 [2020-07-17 11:38:25,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62fdf0312/3e15e67b9ecf40c08d6b954139a947e2 [2020-07-17 11:38:25,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:38:25,768 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:38:25,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:38:25,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:38:25,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:38:25,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:38:25" (1/1) ... [2020-07-17 11:38:25,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b0754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:25, skipping insertion in model container [2020-07-17 11:38:25,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:38:25" (1/1) ... [2020-07-17 11:38:25,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:38:25,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:38:26,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:38:26,309 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:38:26,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:38:26,489 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:38:26,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:26 WrapperNode [2020-07-17 11:38:26,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:38:26,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:38:26,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:38:26,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:38:26,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:26" (1/1) ... [2020-07-17 11:38:26,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:26" (1/1) ... [2020-07-17 11:38:26,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:26" (1/1) ... [2020-07-17 11:38:26,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:26" (1/1) ... [2020-07-17 11:38:26,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:26" (1/1) ... [2020-07-17 11:38:26,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:26" (1/1) ... [2020-07-17 11:38:26,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:26" (1/1) ... [2020-07-17 11:38:26,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:38:26,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:38:26,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:38:26,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:38:26,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:38:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:38:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:38:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:38:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:38:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:38:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:38:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:38:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:38:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:38:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:38:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:38:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:38:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:38:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:38:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:38:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:38:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:38:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:38:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:38:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:38:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:38:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:38:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:38:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:38:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:38:26,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 11:38:26,649 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:38:26,649 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:38:26,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:38:26,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:38:26,650 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:38:26,650 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:38:26,650 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:38:26,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:38:26,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:38:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:38:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:38:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 11:38:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 11:38:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 11:38:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:38:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:38:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:38:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:38:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:38:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:38:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:38:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:38:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:38:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:38:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:38:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:38:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:38:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:38:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:38:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:38:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:38:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:38:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:38:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:38:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:38:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:38:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:38:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:38:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:38:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:38:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:38:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:38:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:38:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:38:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:38:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:38:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:38:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:38:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:38:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:38:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:38:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:38:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:38:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:38:26,660 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:38:26,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:38:26,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:38:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:38:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:38:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:38:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:38:26,662 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 11:38:26,662 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 11:38:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 11:38:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:38:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:38:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:38:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:38:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:38:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:38:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 11:38:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:38:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:38:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:38:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:38:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:38:27,755 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:38:27,756 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:38:27,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:38:27 BoogieIcfgContainer [2020-07-17 11:38:27,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:38:27,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:38:27,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:38:27,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:38:27,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:38:25" (1/3) ... [2020-07-17 11:38:27,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b2e84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:38:27, skipping insertion in model container [2020-07-17 11:38:27,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:26" (2/3) ... [2020-07-17 11:38:27,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b2e84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:38:27, skipping insertion in model container [2020-07-17 11:38:27,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:38:27" (3/3) ... [2020-07-17 11:38:27,776 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2020-07-17 11:38:27,787 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:38:27,798 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:38:27,812 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:38:27,836 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:38:27,837 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:38:27,837 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:38:27,837 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:38:27,837 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:38:27,837 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:38:27,838 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:38:27,838 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:38:27,861 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-07-17 11:38:27,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-17 11:38:27,871 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:27,872 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:27,873 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:27,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:27,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1089631799, now seen corresponding path program 1 times [2020-07-17 11:38:27,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:27,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425541139] [2020-07-17 11:38:27,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,570 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:28,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425541139] [2020-07-17 11:38:28,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:28,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:38:28,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325216061] [2020-07-17 11:38:28,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:38:28,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:28,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:38:28,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:38:28,721 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 4 states. [2020-07-17 11:38:29,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:29,943 INFO L93 Difference]: Finished difference Result 328 states and 422 transitions. [2020-07-17 11:38:29,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 11:38:29,946 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-17 11:38:29,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:29,960 INFO L225 Difference]: With dead ends: 328 [2020-07-17 11:38:29,961 INFO L226 Difference]: Without dead ends: 181 [2020-07-17 11:38:29,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:38:29,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-07-17 11:38:30,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 148. [2020-07-17 11:38:30,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-17 11:38:30,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 174 transitions. [2020-07-17 11:38:30,066 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 174 transitions. Word has length 59 [2020-07-17 11:38:30,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:30,067 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 174 transitions. [2020-07-17 11:38:30,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:38:30,067 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 174 transitions. [2020-07-17 11:38:30,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-17 11:38:30,071 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:30,072 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:30,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:38:30,072 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:30,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:30,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1975382983, now seen corresponding path program 1 times [2020-07-17 11:38:30,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:30,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227910944] [2020-07-17 11:38:30,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,393 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:30,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227910944] [2020-07-17 11:38:30,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:30,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 11:38:30,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294259692] [2020-07-17 11:38:30,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:38:30,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:30,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:38:30,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:38:30,467 INFO L87 Difference]: Start difference. First operand 148 states and 174 transitions. Second operand 5 states. [2020-07-17 11:38:30,924 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:31,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:31,808 INFO L93 Difference]: Finished difference Result 263 states and 322 transitions. [2020-07-17 11:38:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:38:31,809 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-17 11:38:31,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:31,812 INFO L225 Difference]: With dead ends: 263 [2020-07-17 11:38:31,813 INFO L226 Difference]: Without dead ends: 171 [2020-07-17 11:38:31,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:38:31,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-07-17 11:38:31,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 139. [2020-07-17 11:38:31,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-17 11:38:31,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 162 transitions. [2020-07-17 11:38:31,853 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 162 transitions. Word has length 60 [2020-07-17 11:38:31,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:31,853 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 162 transitions. [2020-07-17 11:38:31,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:38:31,854 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 162 transitions. [2020-07-17 11:38:31,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-17 11:38:31,856 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:31,856 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:31,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:38:31,857 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:31,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:31,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1007889166, now seen corresponding path program 1 times [2020-07-17 11:38:31,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:31,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545948169] [2020-07-17 11:38:31,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:32,183 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:32,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:32,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545948169] [2020-07-17 11:38:32,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:32,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:38:32,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943169898] [2020-07-17 11:38:32,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:38:32,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:32,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:38:32,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:38:32,284 INFO L87 Difference]: Start difference. First operand 139 states and 162 transitions. Second operand 9 states. [2020-07-17 11:38:32,659 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:32,969 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:33,202 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:33,449 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:34,353 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:36,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:36,197 INFO L93 Difference]: Finished difference Result 466 states and 577 transitions. [2020-07-17 11:38:36,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 11:38:36,198 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-17 11:38:36,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:36,205 INFO L225 Difference]: With dead ends: 466 [2020-07-17 11:38:36,205 INFO L226 Difference]: Without dead ends: 355 [2020-07-17 11:38:36,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:38:36,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-07-17 11:38:36,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 294. [2020-07-17 11:38:36,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-17 11:38:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 356 transitions. [2020-07-17 11:38:36,288 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 356 transitions. Word has length 65 [2020-07-17 11:38:36,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:36,289 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 356 transitions. [2020-07-17 11:38:36,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:38:36,289 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 356 transitions. [2020-07-17 11:38:36,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-17 11:38:36,292 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:36,293 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:36,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:38:36,293 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:36,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:36,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1025318737, now seen corresponding path program 1 times [2020-07-17 11:38:36,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:36,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869658681] [2020-07-17 11:38:36,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,688 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:38:36,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869658681] [2020-07-17 11:38:36,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:36,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:38:36,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641883546] [2020-07-17 11:38:36,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:38:36,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:36,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:38:36,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:38:36,793 INFO L87 Difference]: Start difference. First operand 294 states and 356 transitions. Second operand 9 states. [2020-07-17 11:38:37,165 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:37,888 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:38,737 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:39,047 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:39,304 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:39,602 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:40,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:40,365 INFO L93 Difference]: Finished difference Result 755 states and 986 transitions. [2020-07-17 11:38:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 11:38:40,366 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-17 11:38:40,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:40,371 INFO L225 Difference]: With dead ends: 755 [2020-07-17 11:38:40,372 INFO L226 Difference]: Without dead ends: 489 [2020-07-17 11:38:40,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-17 11:38:40,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2020-07-17 11:38:40,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 421. [2020-07-17 11:38:40,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-17 11:38:40,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 507 transitions. [2020-07-17 11:38:40,462 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 507 transitions. Word has length 70 [2020-07-17 11:38:40,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:40,462 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 507 transitions. [2020-07-17 11:38:40,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:38:40,463 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 507 transitions. [2020-07-17 11:38:40,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-17 11:38:40,466 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:40,466 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:40,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:38:40,466 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:40,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:40,467 INFO L82 PathProgramCache]: Analyzing trace with hash -2085443903, now seen corresponding path program 1 times [2020-07-17 11:38:40,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:40,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125081026] [2020-07-17 11:38:40,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,767 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:40,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:40,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125081026] [2020-07-17 11:38:40,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:40,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:38:40,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787241137] [2020-07-17 11:38:40,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:38:40,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:40,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:38:40,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:38:40,936 INFO L87 Difference]: Start difference. First operand 421 states and 507 transitions. Second operand 9 states. [2020-07-17 11:38:42,085 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:42,342 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:42,598 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:42,829 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:43,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:43,644 INFO L93 Difference]: Finished difference Result 903 states and 1149 transitions. [2020-07-17 11:38:43,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:38:43,645 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-17 11:38:43,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:43,650 INFO L225 Difference]: With dead ends: 903 [2020-07-17 11:38:43,650 INFO L226 Difference]: Without dead ends: 510 [2020-07-17 11:38:43,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:38:43,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-07-17 11:38:43,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 434. [2020-07-17 11:38:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-07-17 11:38:43,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 521 transitions. [2020-07-17 11:38:43,751 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 521 transitions. Word has length 93 [2020-07-17 11:38:43,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:43,752 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 521 transitions. [2020-07-17 11:38:43,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:38:43,752 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 521 transitions. [2020-07-17 11:38:43,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-17 11:38:43,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:43,754 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:43,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:38:43,755 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:43,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:43,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1383844029, now seen corresponding path program 1 times [2020-07-17 11:38:43,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:43,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125303455] [2020-07-17 11:38:43,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,036 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:44,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:44,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125303455] [2020-07-17 11:38:44,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:44,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 11:38:44,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322781123] [2020-07-17 11:38:44,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 11:38:44,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:44,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 11:38:44,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:38:44,206 INFO L87 Difference]: Start difference. First operand 434 states and 521 transitions. Second operand 11 states. [2020-07-17 11:38:44,770 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:45,021 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:45,277 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:46,107 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:46,383 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:46,630 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:47,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:47,601 INFO L93 Difference]: Finished difference Result 930 states and 1198 transitions. [2020-07-17 11:38:47,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:38:47,602 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 93 [2020-07-17 11:38:47,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:47,607 INFO L225 Difference]: With dead ends: 930 [2020-07-17 11:38:47,607 INFO L226 Difference]: Without dead ends: 524 [2020-07-17 11:38:47,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:38:47,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-07-17 11:38:47,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 442. [2020-07-17 11:38:47,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-07-17 11:38:47,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 529 transitions. [2020-07-17 11:38:47,693 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 529 transitions. Word has length 93 [2020-07-17 11:38:47,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:47,694 INFO L479 AbstractCegarLoop]: Abstraction has 442 states and 529 transitions. [2020-07-17 11:38:47,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 11:38:47,694 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 529 transitions. [2020-07-17 11:38:47,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-17 11:38:47,699 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:47,700 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:47,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:38:47,700 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:47,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:47,701 INFO L82 PathProgramCache]: Analyzing trace with hash 341636868, now seen corresponding path program 1 times [2020-07-17 11:38:47,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:47,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661872050] [2020-07-17 11:38:47,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,002 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:48,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661872050] [2020-07-17 11:38:48,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:48,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:38:48,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646193102] [2020-07-17 11:38:48,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:38:48,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:48,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:38:48,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:38:48,110 INFO L87 Difference]: Start difference. First operand 442 states and 529 transitions. Second operand 7 states. [2020-07-17 11:38:48,406 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:49,452 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:51,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:51,471 INFO L93 Difference]: Finished difference Result 1611 states and 2171 transitions. [2020-07-17 11:38:51,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 11:38:51,471 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-07-17 11:38:51,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:51,482 INFO L225 Difference]: With dead ends: 1611 [2020-07-17 11:38:51,482 INFO L226 Difference]: Without dead ends: 1197 [2020-07-17 11:38:51,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:38:51,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2020-07-17 11:38:51,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1050. [2020-07-17 11:38:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1050 states. [2020-07-17 11:38:51,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1310 transitions. [2020-07-17 11:38:51,752 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1310 transitions. Word has length 93 [2020-07-17 11:38:51,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:51,753 INFO L479 AbstractCegarLoop]: Abstraction has 1050 states and 1310 transitions. [2020-07-17 11:38:51,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:38:51,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1310 transitions. [2020-07-17 11:38:51,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-17 11:38:51,759 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:51,759 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:51,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:38:51,760 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:51,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:51,760 INFO L82 PathProgramCache]: Analyzing trace with hash -643321942, now seen corresponding path program 1 times [2020-07-17 11:38:51,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:51,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199938654] [2020-07-17 11:38:51,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,140 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:52,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199938654] [2020-07-17 11:38:52,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:52,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:38:52,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034014306] [2020-07-17 11:38:52,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:38:52,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:52,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:38:52,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:38:52,274 INFO L87 Difference]: Start difference. First operand 1050 states and 1310 transitions. Second operand 12 states. [2020-07-17 11:38:52,839 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:53,855 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:54,175 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:54,430 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:55,279 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:55,564 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:55,814 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:57,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:57,265 INFO L93 Difference]: Finished difference Result 2282 states and 3001 transitions. [2020-07-17 11:38:57,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-17 11:38:57,265 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-07-17 11:38:57,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:57,274 INFO L225 Difference]: With dead ends: 2282 [2020-07-17 11:38:57,274 INFO L226 Difference]: Without dead ends: 1260 [2020-07-17 11:38:57,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=253, Invalid=617, Unknown=0, NotChecked=0, Total=870 [2020-07-17 11:38:57,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2020-07-17 11:38:57,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1067. [2020-07-17 11:38:57,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2020-07-17 11:38:57,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1335 transitions. [2020-07-17 11:38:57,460 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1335 transitions. Word has length 97 [2020-07-17 11:38:57,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:57,461 INFO L479 AbstractCegarLoop]: Abstraction has 1067 states and 1335 transitions. [2020-07-17 11:38:57,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:38:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1335 transitions. [2020-07-17 11:38:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-17 11:38:57,466 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:57,466 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:57,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:38:57,466 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:57,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:57,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1477147143, now seen corresponding path program 1 times [2020-07-17 11:38:57,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:57,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100871403] [2020-07-17 11:38:57,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,798 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-17 11:38:58,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100871403] [2020-07-17 11:38:58,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111318495] [2020-07-17 11:38:58,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:38:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:58,458 INFO L264 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 11:38:58,487 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:38:58,761 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:38:58,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:38:58,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-17 11:38:58,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487306541] [2020-07-17 11:38:58,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 11:38:58,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:58,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 11:38:58,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:38:58,765 INFO L87 Difference]: Start difference. First operand 1067 states and 1335 transitions. Second operand 20 states. [2020-07-17 11:38:59,687 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:00,227 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:39:00,605 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:39:00,862 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:39:01,657 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:01,967 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:02,423 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:39:02,708 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:39:03,900 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:04,910 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:39:05,465 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:39:05,820 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:39:06,466 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:06,919 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:07,554 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-17 11:39:08,486 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:09,008 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-17 11:39:09,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:09,538 INFO L93 Difference]: Finished difference Result 2524 states and 3271 transitions. [2020-07-17 11:39:09,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-07-17 11:39:09,539 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 159 [2020-07-17 11:39:09,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:09,540 INFO L225 Difference]: With dead ends: 2524 [2020-07-17 11:39:09,540 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:39:09,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 713 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=605, Invalid=2365, Unknown=0, NotChecked=0, Total=2970 [2020-07-17 11:39:09,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:39:09,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:39:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:39:09,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:39:09,550 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2020-07-17 11:39:09,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:09,550 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:39:09,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 11:39:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:39:09,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:39:09,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-17 11:39:09,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:39:11,069 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 247 [2020-07-17 11:39:12,107 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 253 [2020-07-17 11:39:14,916 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 224 [2020-07-17 11:39:16,388 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 294 [2020-07-17 11:39:16,809 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 247 [2020-07-17 11:39:17,443 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 271 [2020-07-17 11:39:18,632 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 22 [2020-07-17 11:39:19,137 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 43 [2020-07-17 11:39:19,303 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-17 11:39:19,791 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 29 [2020-07-17 11:39:19,992 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-07-17 11:39:20,641 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 31 [2020-07-17 11:39:20,793 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-17 11:39:21,347 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 23 [2020-07-17 11:39:22,125 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 33 [2020-07-17 11:39:22,497 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2020-07-17 11:39:22,659 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-17 11:39:23,533 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2020-07-17 11:39:23,693 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-17 11:39:23,890 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:24,067 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-17 11:39:24,243 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-17 11:39:25,045 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 36 [2020-07-17 11:39:25,195 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-17 11:39:25,377 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 1 [2020-07-17 11:39:26,101 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 28 [2020-07-17 11:39:26,343 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 31 [2020-07-17 11:39:26,502 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-17 11:39:26,857 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 13 [2020-07-17 11:39:27,120 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-07-17 11:39:27,503 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2020-07-17 11:39:27,667 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-17 11:39:28,580 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 27 [2020-07-17 11:39:28,826 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 16 [2020-07-17 11:39:29,644 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 26 [2020-07-17 11:39:29,816 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-17 11:39:30,320 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 22 [2020-07-17 11:39:31,778 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-07-17 11:39:32,192 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 39 [2020-07-17 11:39:32,732 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 22 [2020-07-17 11:39:33,134 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2020-07-17 11:39:33,313 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-17 11:39:33,801 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 29 [2020-07-17 11:39:34,193 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2020-07-17 11:39:34,370 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-17 11:39:34,531 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2020-07-17 11:39:34,694 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-17 11:39:34,869 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-17 11:39:35,747 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 24 [2020-07-17 11:39:36,181 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2020-07-17 11:39:37,250 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 209 DAG size of output: 29 [2020-07-17 11:39:37,736 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2020-07-17 11:39:37,909 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-17 11:39:38,109 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-17 11:39:39,052 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 32 [2020-07-17 11:39:39,498 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2020-07-17 11:39:39,696 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-17 11:39:39,700 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-17 11:39:39,700 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-17 11:39:39,701 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-17 11:39:39,701 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-17 11:39:39,701 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:39:39,701 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-17 11:39:39,701 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:39:39,701 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:39:39,701 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-17 11:39:39,701 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-17 11:39:39,701 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:39:39,701 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-17 11:39:39,701 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-17 11:39:39,701 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-17 11:39:39,702 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:39:39,702 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-17 11:39:39,702 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:39:39,702 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-17 11:39:39,702 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2020-07-17 11:39:39,702 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2020-07-17 11:39:39,703 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2020-07-17 11:39:39,703 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2020-07-17 11:39:39,703 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2020-07-17 11:39:39,703 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:39:39,704 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2020-07-17 11:39:39,704 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2020-07-17 11:39:39,704 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 532 541) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 (not (= 0 ~pumpRunning~0))) (or (not (= 2 ~waterLevel~0)) .cse1 .cse0 .cse2) (or .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 (not (<= ~waterLevel~0 1)) .cse2))) [2020-07-17 11:39:39,704 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 532 541) no Hoare annotation was computed. [2020-07-17 11:39:39,704 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-07-17 11:39:39,704 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 532 541) no Hoare annotation was computed. [2020-07-17 11:39:39,704 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 542 570) the Hoare annotation is: true [2020-07-17 11:39:39,705 INFO L264 CegarLoopResult]: At program point L557(line 557) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-17 11:39:39,705 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 542 570) no Hoare annotation was computed. [2020-07-17 11:39:39,705 INFO L268 CegarLoopResult]: For program point L555(lines 555 561) no Hoare annotation was computed. [2020-07-17 11:39:39,705 INFO L268 CegarLoopResult]: For program point L554(lines 554 564) no Hoare annotation was computed. [2020-07-17 11:39:39,705 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0)))) (and (or .cse0 (= 0 ~systemActive~0) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-17 11:39:39,705 INFO L268 CegarLoopResult]: For program point L552-1(line 552) no Hoare annotation was computed. [2020-07-17 11:39:39,706 INFO L268 CegarLoopResult]: For program point L550(lines 550 567) no Hoare annotation was computed. [2020-07-17 11:39:39,706 INFO L268 CegarLoopResult]: For program point L550-1(lines 542 570) no Hoare annotation was computed. [2020-07-17 11:39:39,706 INFO L271 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: true [2020-07-17 11:39:39,706 INFO L268 CegarLoopResult]: For program point L548-1(line 548) no Hoare annotation was computed. [2020-07-17 11:39:39,706 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|))) [2020-07-17 11:39:39,706 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-17 11:39:39,707 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:39:39,707 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:39:39,707 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-17 11:39:39,707 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-17 11:39:39,707 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-17 11:39:39,707 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|))) [2020-07-17 11:39:39,708 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|))) [2020-07-17 11:39:39,708 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|))) [2020-07-17 11:39:39,708 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-17 11:39:39,708 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-17 11:39:39,708 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-17 11:39:39,708 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-17 11:39:39,709 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-17 11:39:39,709 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-17 11:39:39,709 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-17 11:39:39,709 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-17 11:39:39,711 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-17 11:39:39,711 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-17 11:39:39,711 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-17 11:39:39,711 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-17 11:39:39,711 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-17 11:39:39,712 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-17 11:39:39,712 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-17 11:39:39,712 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-17 11:39:39,712 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-17 11:39:39,712 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-17 11:39:39,712 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 952 966) no Hoare annotation was computed. [2020-07-17 11:39:39,712 INFO L264 CegarLoopResult]: At program point L958(line 958) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-17 11:39:39,713 INFO L268 CegarLoopResult]: For program point L956(lines 956 962) no Hoare annotation was computed. [2020-07-17 11:39:39,713 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 952 966) the Hoare annotation is: (let ((.cse7 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (and .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 |old(~systemActive~0)|)) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and .cse7 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse5 .cse3 .cse6) (or .cse4 .cse5 .cse6)))) [2020-07-17 11:39:39,713 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 952 966) no Hoare annotation was computed. [2020-07-17 11:39:39,713 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 869 877) no Hoare annotation was computed. [2020-07-17 11:39:39,713 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 869 877) the Hoare annotation is: true [2020-07-17 11:39:39,713 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 869 877) no Hoare annotation was computed. [2020-07-17 11:39:39,713 INFO L268 CegarLoopResult]: For program point L942(lines 942 946) no Hoare annotation was computed. [2020-07-17 11:39:39,714 INFO L271 CegarLoopResult]: At program point L940(line 940) the Hoare annotation is: true [2020-07-17 11:39:39,714 INFO L268 CegarLoopResult]: For program point L942-2(lines 942 946) no Hoare annotation was computed. [2020-07-17 11:39:39,714 INFO L268 CegarLoopResult]: For program point L940-1(line 940) no Hoare annotation was computed. [2020-07-17 11:39:39,714 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 933 951) the Hoare annotation is: true [2020-07-17 11:39:39,714 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 933 951) no Hoare annotation was computed. [2020-07-17 11:39:39,714 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 933 951) no Hoare annotation was computed. [2020-07-17 11:39:39,714 INFO L268 CegarLoopResult]: For program point L897(lines 897 905) no Hoare annotation was computed. [2020-07-17 11:39:39,715 INFO L268 CegarLoopResult]: For program point L897-2(lines 897 905) no Hoare annotation was computed. [2020-07-17 11:39:39,715 INFO L268 CegarLoopResult]: For program point L885(lines 885 893) no Hoare annotation was computed. [2020-07-17 11:39:39,715 INFO L268 CegarLoopResult]: For program point L885-2(lines 885 893) no Hoare annotation was computed. [2020-07-17 11:39:39,715 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 878 913) no Hoare annotation was computed. [2020-07-17 11:39:39,715 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-07-17 11:39:39,716 INFO L268 CegarLoopResult]: For program point L908-1(line 908) no Hoare annotation was computed. [2020-07-17 11:39:39,716 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 878 913) no Hoare annotation was computed. [2020-07-17 11:39:39,716 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 878 913) no Hoare annotation was computed. [2020-07-17 11:39:39,716 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2020-07-17 11:39:39,716 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2020-07-17 11:39:39,716 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:39:39,716 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:39:39,716 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:39:39,716 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-17 11:39:39,717 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:39:39,717 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-17 11:39:39,717 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-17 11:39:39,717 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:39:39,717 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:39:39,717 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|))) [2020-07-17 11:39:39,717 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-17 11:39:39,717 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-17 11:39:39,718 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-17 11:39:39,718 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 858 868) no Hoare annotation was computed. [2020-07-17 11:39:39,718 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-17 11:39:39,718 INFO L268 CegarLoopResult]: For program point L863-1(line 863) no Hoare annotation was computed. [2020-07-17 11:39:39,718 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 858 868) no Hoare annotation was computed. [2020-07-17 11:39:39,718 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 858 868) no Hoare annotation was computed. [2020-07-17 11:39:39,718 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 850 857) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-07-17 11:39:39,719 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 850 857) no Hoare annotation was computed. [2020-07-17 11:39:39,719 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 850 857) no Hoare annotation was computed. [2020-07-17 11:39:39,719 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 656 669) no Hoare annotation was computed. [2020-07-17 11:39:39,719 INFO L268 CegarLoopResult]: For program point L660(lines 660 666) no Hoare annotation was computed. [2020-07-17 11:39:39,719 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 656 669) the Hoare annotation is: true [2020-07-17 11:39:39,719 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 656 669) no Hoare annotation was computed. [2020-07-17 11:39:39,719 INFO L264 CegarLoopResult]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-17 11:39:39,720 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-17 11:39:39,720 INFO L268 CegarLoopResult]: For program point L825(lines 825 833) no Hoare annotation was computed. [2020-07-17 11:39:39,720 INFO L264 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-17 11:39:39,720 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 817 841) no Hoare annotation was computed. [2020-07-17 11:39:39,721 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-07-17 11:39:39,721 INFO L268 CegarLoopResult]: For program point L821(lines 821 838) no Hoare annotation was computed. [2020-07-17 11:39:39,721 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 817 841) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-17 11:39:39,721 INFO L264 CegarLoopResult]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-17 11:39:39,721 INFO L268 CegarLoopResult]: For program point L836-1(lines 817 841) no Hoare annotation was computed. [2020-07-17 11:39:39,721 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 783 789) no Hoare annotation was computed. [2020-07-17 11:39:39,721 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 783 789) the Hoare annotation is: true [2020-07-17 11:39:39,722 INFO L264 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)))) [2020-07-17 11:39:39,722 INFO L264 CegarLoopResult]: At program point testENTRY(lines 682 749) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:39:39,722 INFO L268 CegarLoopResult]: For program point L702(lines 702 708) no Hoare annotation was computed. [2020-07-17 11:39:39,722 INFO L268 CegarLoopResult]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2020-07-17 11:39:39,722 INFO L268 CegarLoopResult]: For program point testFINAL(lines 682 749) no Hoare annotation was computed. [2020-07-17 11:39:39,722 INFO L268 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-07-17 11:39:39,722 INFO L264 CegarLoopResult]: At program point L742(lines 691 743) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|))) [2020-07-17 11:39:39,723 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse2) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 (<= ~waterLevel~0 1)))) [2020-07-17 11:39:39,723 INFO L268 CegarLoopResult]: For program point L730(lines 730 736) no Hoare annotation was computed. [2020-07-17 11:39:39,723 INFO L264 CegarLoopResult]: At program point L730-1(lines 722 737) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)))) [2020-07-17 11:39:39,723 INFO L268 CegarLoopResult]: For program point L693(lines 692 741) no Hoare annotation was computed. [2020-07-17 11:39:39,723 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2))) [2020-07-17 11:39:39,723 INFO L268 CegarLoopResult]: For program point L722(lines 722 737) no Hoare annotation was computed. [2020-07-17 11:39:39,724 INFO L264 CegarLoopResult]: At program point L714(line 714) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)))) [2020-07-17 11:39:39,724 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-07-17 11:39:39,724 INFO L268 CegarLoopResult]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2020-07-17 11:39:39,724 INFO L264 CegarLoopResult]: At program point L739(lines 692 741) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)))) [2020-07-17 11:39:39,724 INFO L268 CegarLoopResult]: For program point testEXIT(lines 682 749) no Hoare annotation was computed. [2020-07-17 11:39:39,724 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:39:39,724 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:39:39,724 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:39:39,724 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-17 11:39:39,725 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-17 11:39:39,725 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-17 11:39:39,725 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 670 678) no Hoare annotation was computed. [2020-07-17 11:39:39,725 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 670 678) the Hoare annotation is: true [2020-07-17 11:39:39,725 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 670 678) no Hoare annotation was computed. [2020-07-17 11:39:39,725 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 624 646) no Hoare annotation was computed. [2020-07-17 11:39:39,725 INFO L268 CegarLoopResult]: For program point L632(lines 632 640) no Hoare annotation was computed. [2020-07-17 11:39:39,725 INFO L268 CegarLoopResult]: For program point L632-2(lines 632 640) no Hoare annotation was computed. [2020-07-17 11:39:39,725 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 624 646) no Hoare annotation was computed. [2020-07-17 11:39:39,726 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 624 646) no Hoare annotation was computed. [2020-07-17 11:39:39,726 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-17 11:39:39,726 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:39:39,726 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-17 11:39:39,726 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-17 11:39:39,727 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-17 11:39:39,727 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-17 11:39:39,727 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:39:39,727 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-17 11:39:39,727 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-17 11:39:39,727 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-17 11:39:39,727 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:39:39,727 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-17 11:39:39,727 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-17 11:39:39,727 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-17 11:39:39,727 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-17 11:39:39,728 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-17 11:39:39,728 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 977 986) no Hoare annotation was computed. [2020-07-17 11:39:39,728 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 977 986) no Hoare annotation was computed. [2020-07-17 11:39:39,728 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 977 986) no Hoare annotation was computed. [2020-07-17 11:39:39,728 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:39:39,728 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#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~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-17 11:39:39,729 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:39:39,729 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 842 849) no Hoare annotation was computed. [2020-07-17 11:39:39,729 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 842 849) no Hoare annotation was computed. [2020-07-17 11:39:39,729 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 842 849) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-17 11:39:39,730 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 647 655) the Hoare annotation is: true [2020-07-17 11:39:39,730 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 647 655) no Hoare annotation was computed. [2020-07-17 11:39:39,730 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 647 655) no Hoare annotation was computed. [2020-07-17 11:39:39,730 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 914 932) no Hoare annotation was computed. [2020-07-17 11:39:39,730 INFO L268 CegarLoopResult]: For program point L923(lines 923 927) no Hoare annotation was computed. [2020-07-17 11:39:39,730 INFO L271 CegarLoopResult]: At program point L921(line 921) the Hoare annotation is: true [2020-07-17 11:39:39,730 INFO L268 CegarLoopResult]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2020-07-17 11:39:39,730 INFO L268 CegarLoopResult]: For program point L921-1(line 921) no Hoare annotation was computed. [2020-07-17 11:39:39,731 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 914 932) the Hoare annotation is: true [2020-07-17 11:39:39,731 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 914 932) no Hoare annotation was computed. [2020-07-17 11:39:39,731 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:39:39,731 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:39:39,731 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:39:39,731 INFO L268 CegarLoopResult]: For program point L607-1(lines 603 614) no Hoare annotation was computed. [2020-07-17 11:39:39,731 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 603 614) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 ~pumpRunning~0))))) [2020-07-17 11:39:39,731 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 603 614) no Hoare annotation was computed. [2020-07-17 11:39:39,732 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 2))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-07-17 11:39:39,732 INFO L268 CegarLoopResult]: For program point L763(lines 759 781) no Hoare annotation was computed. [2020-07-17 11:39:39,732 INFO L268 CegarLoopResult]: For program point L761(lines 759 781) no Hoare annotation was computed. [2020-07-17 11:39:39,732 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 756 782) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 .cse2 .cse3) .cse4) (or (and (= 0 ~pumpRunning~0) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 2))) (or (and .cse1 (= 2 ~waterLevel~0) .cse2) .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse4))) [2020-07-17 11:39:39,733 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 756 782) no Hoare annotation was computed. [2020-07-17 11:39:39,733 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 756 782) no Hoare annotation was computed. [2020-07-17 11:39:39,733 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse4 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and (not .cse3) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1)) (or .cse4 .cse5 .cse6) (or .cse2 .cse4 (and .cse7 .cse8 (<= ~waterLevel~0 2)) .cse3) (or .cse1 .cse5 .cse6) (or .cse0 .cse2 (and .cse7 .cse8) .cse3 (not (<= |old(~waterLevel~0)| 2)))))) [2020-07-17 11:39:39,733 INFO L264 CegarLoopResult]: At program point L770(lines 770 776) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 2)) (.cse0 (= 0 ~pumpRunning~0))) (let ((.cse4 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and .cse9 .cse0 (<= 1 ~switchedOnBeforeTS~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse1) (and (not .cse2) (= 2 ~waterLevel~0) .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (or .cse4 (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse2 (<= ~waterLevel~0 1)) (or .cse4 .cse6 .cse5 (and .cse7 .cse8) .cse2 .cse3) (or .cse6 .cse5 (not (= 2 |old(~waterLevel~0)|)) (and .cse7 .cse8 .cse9) .cse2)))) [2020-07-17 11:39:39,734 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-17 11:39:39,734 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-17 11:39:39,734 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-17 11:39:39,734 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-17 11:39:39,734 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-17 11:39:39,734 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-17 11:39:39,734 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-17 11:39:39,734 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-17 11:39:39,734 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-17 11:39:39,734 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-17 11:39:39,735 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 615 623) no Hoare annotation was computed. [2020-07-17 11:39:39,735 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 615 623) no Hoare annotation was computed. [2020-07-17 11:39:39,735 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 615 623) no Hoare annotation was computed. [2020-07-17 11:39:39,735 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 579 590) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (or (not (= 2 |old(~waterLevel~0)|)) .cse0 (= 2 ~waterLevel~0) .cse1 .cse2))) [2020-07-17 11:39:39,735 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 579 590) no Hoare annotation was computed. [2020-07-17 11:39:39,735 INFO L268 CegarLoopResult]: For program point L583-1(lines 579 590) no Hoare annotation was computed. [2020-07-17 11:39:39,735 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-17 11:39:39,735 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-17 11:39:39,735 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:39:39,736 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2020-07-17 11:39:39,736 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:39:39,736 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:39:39,736 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2020-07-17 11:39:39,736 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2020-07-17 11:39:39,736 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2020-07-17 11:39:39,736 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (and (= 0 ~pumpRunning~0) (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-17 11:39:39,737 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 791 815) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-17 11:39:39,737 INFO L268 CegarLoopResult]: For program point L799(lines 799 807) no Hoare annotation was computed. [2020-07-17 11:39:39,737 INFO L264 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-17 11:39:39,737 INFO L268 CegarLoopResult]: For program point L797-1(line 797) no Hoare annotation was computed. [2020-07-17 11:39:39,737 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 791 815) no Hoare annotation was computed. [2020-07-17 11:39:39,737 INFO L268 CegarLoopResult]: For program point L795(lines 795 812) no Hoare annotation was computed. [2020-07-17 11:39:39,737 INFO L264 CegarLoopResult]: At program point L810(line 810) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-17 11:39:39,737 INFO L268 CegarLoopResult]: For program point L810-1(lines 791 815) no Hoare annotation was computed. [2020-07-17 11:39:39,737 INFO L264 CegarLoopResult]: At program point L805(line 805) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-17 11:39:39,738 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 591 602) no Hoare annotation was computed. [2020-07-17 11:39:39,738 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 591 602) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse4) (or .cse5 .cse3 (= 2 ~waterLevel~0) .cse4) (or .cse5 .cse1 .cse2))) [2020-07-17 11:39:39,738 INFO L268 CegarLoopResult]: For program point L595-1(lines 591 602) no Hoare annotation was computed. [2020-07-17 11:39:39,738 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2020-07-17 11:39:39,738 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2020-07-17 11:39:39,738 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2020-07-17 11:39:39,738 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2020-07-17 11:39:39,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:39:39 BoogieIcfgContainer [2020-07-17 11:39:39,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:39:39,771 INFO L168 Benchmark]: Toolchain (without parser) took 73997.52 ms. Allocated memory was 135.3 MB in the beginning and 1.1 GB in the end (delta: 969.9 MB). Free memory was 98.6 MB in the beginning and 962.4 MB in the end (delta: -863.8 MB). Peak memory consumption was 978.8 MB. Max. memory is 7.1 GB. [2020-07-17 11:39:39,775 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 135.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:39:39,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.70 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 98.2 MB in the beginning and 164.8 MB in the end (delta: -66.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-07-17 11:39:39,777 INFO L168 Benchmark]: Boogie Preprocessor took 89.20 ms. Allocated memory is still 199.2 MB. Free memory was 164.8 MB in the beginning and 160.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-17 11:39:39,777 INFO L168 Benchmark]: RCFGBuilder took 1183.60 ms. Allocated memory was 199.2 MB in the beginning and 226.5 MB in the end (delta: 27.3 MB). Free memory was 160.6 MB in the beginning and 185.7 MB in the end (delta: -25.1 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:39:39,778 INFO L168 Benchmark]: TraceAbstraction took 71994.83 ms. Allocated memory was 226.5 MB in the beginning and 1.1 GB in the end (delta: 878.7 MB). Free memory was 185.7 MB in the beginning and 962.4 MB in the end (delta: -776.8 MB). Peak memory consumption was 974.7 MB. Max. memory is 7.1 GB. [2020-07-17 11:39:39,786 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 135.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.70 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 98.2 MB in the beginning and 164.8 MB in the end (delta: -66.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.20 ms. Allocated memory is still 199.2 MB. Free memory was 164.8 MB in the beginning and 160.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1183.60 ms. Allocated memory was 199.2 MB in the beginning and 226.5 MB in the end (delta: 27.3 MB). Free memory was 160.6 MB in the beginning and 185.7 MB in the end (delta: -25.1 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 71994.83 ms. Allocated memory was 226.5 MB in the beginning and 1.1 GB in the end (delta: 878.7 MB). Free memory was 185.7 MB in the beginning and 962.4 MB in the end (delta: -776.8 MB). Peak memory consumption was 974.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && !(0 == systemActive)) && waterLevel <= 2) && 1 <= pumpRunning)) || (((0 == splverifierCounter && !(0 == systemActive)) && 2 == waterLevel) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && waterLevel <= 2) && 0 == pumpRunning)) || !(1 == \old(systemActive)) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 41.9s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 35.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 29.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1454 SDtfs, 2748 SDslu, 2473 SDs, 0 SdLazy, 9509 SolverSat, 2062 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 614 GetRequests, 452 SyntacticMatches, 1 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1031 ImplicationChecksByTransitivity, 16.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1067occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 692 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 2222 PreInvPairs, 2556 NumberOfFragments, 1985 HoareAnnotationTreeSize, 2222 FomulaSimplifications, 44263959 FormulaSimplificationTreeSizeReduction, 8.2s HoareSimplificationTime, 66 FomulaSimplificationsInter, 1393764 FormulaSimplificationTreeSizeReductionInter, 21.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 948 NumberOfCodeBlocks, 948 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 938 ConstructedInterpolants, 0 QuantifiedInterpolants, 331576 SizeOfPredicates, 4 NumberOfNonLiveVariables, 943 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 87/110 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...