/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:51:23,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:51:23,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:51:23,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:51:23,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:51:23,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:51:23,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:51:23,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:51:23,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:51:23,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:51:23,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:51:23,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:51:23,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:51:23,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:51:23,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:51:23,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:51:23,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:51:23,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:51:23,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:51:23,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:51:23,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:51:23,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:51:23,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:51:23,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:51:23,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:51:23,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:51:23,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:51:23,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:51:23,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:51:23,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:51:23,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:51:23,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:51:23,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:51:23,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:51:23,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:51:23,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:51:23,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:51:23,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:51:23,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:51:23,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:51:23,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:51:23,543 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 [2020-07-21 12:51:23,563 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:51:23,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:51:23,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:51:23,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:51:23,566 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:51:23,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:51:23,566 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:51:23,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:51:23,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:51:23,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:51:23,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:51:23,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:51:23,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:51:23,569 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:51:23,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:51:23,569 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:51:23,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:51:23,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:51:23,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:51:23,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:51:23,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:51:23,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:51:23,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:51:23,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:51:23,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:51:23,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:51:23,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:23,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:51:23,571 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:51:23,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 12:51:23,912 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:51:23,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:51:23,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:51:23,940 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:51:23,940 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:51:23,941 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2020-07-21 12:51:24,018 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea7f28c6f/125f3a9b10d641dababb71dfb615c10f/FLAG7db2ef057 [2020-07-21 12:51:24,596 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:51:24,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2020-07-21 12:51:24,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea7f28c6f/125f3a9b10d641dababb71dfb615c10f/FLAG7db2ef057 [2020-07-21 12:51:24,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea7f28c6f/125f3a9b10d641dababb71dfb615c10f [2020-07-21 12:51:24,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:51:24,872 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:51:24,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:51:24,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:51:24,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:51:24,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:24" (1/1) ... [2020-07-21 12:51:24,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b72a91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:24, skipping insertion in model container [2020-07-21 12:51:24,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:24" (1/1) ... [2020-07-21 12:51:24,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:51:24,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:51:25,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:51:25,295 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:51:25,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:51:25,521 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:51:25,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:25 WrapperNode [2020-07-21 12:51:25,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:51:25,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:51:25,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:51:25,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:51:25,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:25" (1/1) ... [2020-07-21 12:51:25,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:25" (1/1) ... [2020-07-21 12:51:25,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:25" (1/1) ... [2020-07-21 12:51:25,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:25" (1/1) ... [2020-07-21 12:51:25,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:25" (1/1) ... [2020-07-21 12:51:25,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:25" (1/1) ... [2020-07-21 12:51:25,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:25" (1/1) ... [2020-07-21 12:51:25,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:51:25,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:51:25,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:51:25,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:51:25,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:25" (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 [2020-07-21 12:51:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:51:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:51:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:51:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:51:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:51:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:51:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:51:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:51:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:51:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:51:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:51:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:51:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:51:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:51:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:51:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:51:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:51:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:51:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:51:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:51:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 12:51:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:51:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:51:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:51:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:51:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:51:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:51:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:51:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:51:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:51:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:51:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:51:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:51:25,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:51:25,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:51:25,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:51:25,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:51:25,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:51:25,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:51:25,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:51:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:51:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:51:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:51:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:51:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:51:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:51:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:51:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:51:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:51:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:51:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:51:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:51:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:51:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:51:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:51:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:51:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:51:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:51:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:51:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 12:51:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:51:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:51:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:51:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:51:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:51:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:51:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:51:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:51:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:51:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:51:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:51:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:51:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:51:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:51:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:51:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:51:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:51:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:51:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:51:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:51:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:51:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:51:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:51:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:51:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:51:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:51:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:51:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:51:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:51:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:51:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:51:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:51:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:51:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:51:26,784 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:51:26,784 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:51:26,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:26 BoogieIcfgContainer [2020-07-21 12:51:26,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:51:26,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:51:26,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:51:26,795 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:51:26,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:51:24" (1/3) ... [2020-07-21 12:51:26,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be8acee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:26, skipping insertion in model container [2020-07-21 12:51:26,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:25" (2/3) ... [2020-07-21 12:51:26,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be8acee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:26, skipping insertion in model container [2020-07-21 12:51:26,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:26" (3/3) ... [2020-07-21 12:51:26,799 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2020-07-21 12:51:26,809 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:51:26,818 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:51:26,832 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:51:26,859 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:51:26,859 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:51:26,859 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:51:26,859 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:51:26,860 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:51:26,860 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:51:26,860 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:51:26,860 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:51:26,883 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-07-21 12:51:26,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 12:51:26,893 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:26,894 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:26,895 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:26,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:26,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1698741088, now seen corresponding path program 1 times [2020-07-21 12:51:26,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:26,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697957912] [2020-07-21 12:51:26,910 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:27,324 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:27,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:27,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:51:27,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:27,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:27,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:27,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697957912] [2020-07-21 12:51:27,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:27,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:51:27,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14717339] [2020-07-21 12:51:27,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:51:27,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:27,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:51:27,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:51:27,424 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states. [2020-07-21 12:51:27,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:27,521 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2020-07-21 12:51:27,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:51:27,525 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 12:51:27,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:27,541 INFO L225 Difference]: With dead ends: 260 [2020-07-21 12:51:27,541 INFO L226 Difference]: Without dead ends: 132 [2020-07-21 12:51:27,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:51:27,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-21 12:51:27,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-07-21 12:51:27,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-21 12:51:27,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-07-21 12:51:27,606 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 51 [2020-07-21 12:51:27,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:27,607 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-07-21 12:51:27,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:51:27,608 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-07-21 12:51:27,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 12:51:27,611 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:27,612 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:27,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:27,828 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:27,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:27,829 INFO L82 PathProgramCache]: Analyzing trace with hash 160126664, now seen corresponding path program 1 times [2020-07-21 12:51:27,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:27,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1369609750] [2020-07-21 12:51:27,830 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:28,195 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:28,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:28,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:51:28,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:28,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:28,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:28,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1369609750] [2020-07-21 12:51:28,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:28,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:28,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737521578] [2020-07-21 12:51:28,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:28,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:28,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:28,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:28,247 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2020-07-21 12:51:28,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:28,271 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2020-07-21 12:51:28,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:28,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 12:51:28,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:28,275 INFO L225 Difference]: With dead ends: 205 [2020-07-21 12:51:28,276 INFO L226 Difference]: Without dead ends: 123 [2020-07-21 12:51:28,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:28,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-21 12:51:28,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-21 12:51:28,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-21 12:51:28,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-07-21 12:51:28,293 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 52 [2020-07-21 12:51:28,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:28,294 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-07-21 12:51:28,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:28,294 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-07-21 12:51:28,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 12:51:28,297 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:28,297 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:28,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:28,511 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:28,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:28,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1051645430, now seen corresponding path program 1 times [2020-07-21 12:51:28,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:28,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90399789] [2020-07-21 12:51:28,514 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:28,789 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:28,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:28,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:51:28,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:28,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:28,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:28,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [90399789] [2020-07-21 12:51:28,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:28,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:28,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132636803] [2020-07-21 12:51:28,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:28,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:28,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:28,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:28,828 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 3 states. [2020-07-21 12:51:28,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:28,846 INFO L93 Difference]: Finished difference Result 218 states and 259 transitions. [2020-07-21 12:51:28,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:28,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-21 12:51:28,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:28,849 INFO L225 Difference]: With dead ends: 218 [2020-07-21 12:51:28,849 INFO L226 Difference]: Without dead ends: 123 [2020-07-21 12:51:28,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:28,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-21 12:51:28,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-21 12:51:28,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-21 12:51:28,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2020-07-21 12:51:28,862 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 57 [2020-07-21 12:51:28,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:28,863 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2020-07-21 12:51:28,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:28,863 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2020-07-21 12:51:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 12:51:28,866 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:28,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:29,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:29,080 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:29,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:29,080 INFO L82 PathProgramCache]: Analyzing trace with hash 23828646, now seen corresponding path program 1 times [2020-07-21 12:51:29,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:29,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588922253] [2020-07-21 12:51:29,081 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:29,451 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:29,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:29,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 12:51:29,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:29,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:29,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:29,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588922253] [2020-07-21 12:51:29,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:29,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:29,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111022347] [2020-07-21 12:51:29,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:29,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:29,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:29,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:29,499 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 6 states. [2020-07-21 12:51:30,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:30,093 INFO L93 Difference]: Finished difference Result 300 states and 365 transitions. [2020-07-21 12:51:30,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:51:30,094 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-21 12:51:30,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:30,100 INFO L225 Difference]: With dead ends: 300 [2020-07-21 12:51:30,100 INFO L226 Difference]: Without dead ends: 205 [2020-07-21 12:51:30,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:51:30,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-07-21 12:51:30,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 189. [2020-07-21 12:51:30,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-07-21 12:51:30,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 214 transitions. [2020-07-21 12:51:30,146 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 214 transitions. Word has length 70 [2020-07-21 12:51:30,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:30,146 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 214 transitions. [2020-07-21 12:51:30,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:30,146 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 214 transitions. [2020-07-21 12:51:30,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-21 12:51:30,149 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:30,150 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:30,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:30,363 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:30,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:30,363 INFO L82 PathProgramCache]: Analyzing trace with hash 765865706, now seen corresponding path program 1 times [2020-07-21 12:51:30,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:30,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1039539010] [2020-07-21 12:51:30,364 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:30,665 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:30,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:30,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:51:30,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:30,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:30,715 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:30,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1039539010] [2020-07-21 12:51:30,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:30,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:30,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185549607] [2020-07-21 12:51:30,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:30,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:30,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:30,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:30,718 INFO L87 Difference]: Start difference. First operand 189 states and 214 transitions. Second operand 6 states. [2020-07-21 12:51:30,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:30,967 INFO L93 Difference]: Finished difference Result 353 states and 408 transitions. [2020-07-21 12:51:30,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:51:30,968 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2020-07-21 12:51:30,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:30,973 INFO L225 Difference]: With dead ends: 353 [2020-07-21 12:51:30,973 INFO L226 Difference]: Without dead ends: 192 [2020-07-21 12:51:30,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:30,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-21 12:51:31,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 188. [2020-07-21 12:51:31,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-07-21 12:51:31,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 211 transitions. [2020-07-21 12:51:31,010 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 211 transitions. Word has length 84 [2020-07-21 12:51:31,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:31,011 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 211 transitions. [2020-07-21 12:51:31,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:31,011 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 211 transitions. [2020-07-21 12:51:31,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-21 12:51:31,013 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:31,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:31,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:31,228 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:31,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:31,229 INFO L82 PathProgramCache]: Analyzing trace with hash -197917338, now seen corresponding path program 1 times [2020-07-21 12:51:31,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:31,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178225368] [2020-07-21 12:51:31,230 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:31,520 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:31,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:31,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:51:31,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:31,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:31,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178225368] [2020-07-21 12:51:31,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:31,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:31,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909337904] [2020-07-21 12:51:31,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:31,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:31,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:31,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:31,572 INFO L87 Difference]: Start difference. First operand 188 states and 211 transitions. Second operand 6 states. [2020-07-21 12:51:31,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:31,620 INFO L93 Difference]: Finished difference Result 353 states and 403 transitions. [2020-07-21 12:51:31,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:51:31,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2020-07-21 12:51:31,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:31,624 INFO L225 Difference]: With dead ends: 353 [2020-07-21 12:51:31,625 INFO L226 Difference]: Without dead ends: 193 [2020-07-21 12:51:31,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:51:31,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-07-21 12:51:31,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2020-07-21 12:51:31,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-07-21 12:51:31,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 216 transitions. [2020-07-21 12:51:31,655 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 216 transitions. Word has length 85 [2020-07-21 12:51:31,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:31,657 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 216 transitions. [2020-07-21 12:51:31,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:31,657 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 216 transitions. [2020-07-21 12:51:31,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-21 12:51:31,661 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:31,661 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:31,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:31,875 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:31,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:31,876 INFO L82 PathProgramCache]: Analyzing trace with hash 503682536, now seen corresponding path program 1 times [2020-07-21 12:51:31,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:31,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075759482] [2020-07-21 12:51:31,878 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:32,244 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:32,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:32,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:51:32,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:32,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:32,283 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:32,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075759482] [2020-07-21 12:51:32,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:32,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:51:32,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790781739] [2020-07-21 12:51:32,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:51:32,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:32,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:51:32,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:51:32,286 INFO L87 Difference]: Start difference. First operand 193 states and 216 transitions. Second operand 5 states. [2020-07-21 12:51:32,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:32,308 INFO L93 Difference]: Finished difference Result 365 states and 419 transitions. [2020-07-21 12:51:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:51:32,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-07-21 12:51:32,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:32,311 INFO L225 Difference]: With dead ends: 365 [2020-07-21 12:51:32,311 INFO L226 Difference]: Without dead ends: 200 [2020-07-21 12:51:32,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:51:32,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-07-21 12:51:32,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 197. [2020-07-21 12:51:32,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-07-21 12:51:32,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 220 transitions. [2020-07-21 12:51:32,324 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 220 transitions. Word has length 85 [2020-07-21 12:51:32,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:32,325 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 220 transitions. [2020-07-21 12:51:32,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:51:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 220 transitions. [2020-07-21 12:51:32,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-21 12:51:32,326 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:32,327 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:32,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:32,542 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:32,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:32,543 INFO L82 PathProgramCache]: Analyzing trace with hash -2065803863, now seen corresponding path program 1 times [2020-07-21 12:51:32,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:32,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1937875580] [2020-07-21 12:51:32,544 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:32,824 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:32,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:32,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:51:32,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:32,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:32,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1937875580] [2020-07-21 12:51:32,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:32,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:32,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766156724] [2020-07-21 12:51:32,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:32,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:32,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:32,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:32,864 INFO L87 Difference]: Start difference. First operand 197 states and 220 transitions. Second operand 3 states. [2020-07-21 12:51:32,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:32,921 INFO L93 Difference]: Finished difference Result 507 states and 594 transitions. [2020-07-21 12:51:32,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:32,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-07-21 12:51:32,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:32,925 INFO L225 Difference]: With dead ends: 507 [2020-07-21 12:51:32,925 INFO L226 Difference]: Without dead ends: 338 [2020-07-21 12:51:32,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:32,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-07-21 12:51:32,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 335. [2020-07-21 12:51:32,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-07-21 12:51:32,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 386 transitions. [2020-07-21 12:51:32,963 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 386 transitions. Word has length 85 [2020-07-21 12:51:32,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:32,963 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 386 transitions. [2020-07-21 12:51:32,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:32,963 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 386 transitions. [2020-07-21 12:51:32,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-21 12:51:32,965 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:32,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:33,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:33,180 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:33,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:33,181 INFO L82 PathProgramCache]: Analyzing trace with hash -118612273, now seen corresponding path program 1 times [2020-07-21 12:51:33,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:33,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [437238204] [2020-07-21 12:51:33,182 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:33,418 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:33,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:33,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 12:51:33,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:33,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:33,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [437238204] [2020-07-21 12:51:33,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:33,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:33,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834087323] [2020-07-21 12:51:33,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:33,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:33,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:33,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:33,503 INFO L87 Difference]: Start difference. First operand 335 states and 386 transitions. Second operand 6 states. [2020-07-21 12:51:33,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:33,743 INFO L93 Difference]: Finished difference Result 928 states and 1106 transitions. [2020-07-21 12:51:33,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:51:33,744 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2020-07-21 12:51:33,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:33,750 INFO L225 Difference]: With dead ends: 928 [2020-07-21 12:51:33,750 INFO L226 Difference]: Without dead ends: 621 [2020-07-21 12:51:33,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:33,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2020-07-21 12:51:33,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 613. [2020-07-21 12:51:33,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-07-21 12:51:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 708 transitions. [2020-07-21 12:51:33,796 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 708 transitions. Word has length 89 [2020-07-21 12:51:33,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:33,796 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 708 transitions. [2020-07-21 12:51:33,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:33,796 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 708 transitions. [2020-07-21 12:51:33,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 12:51:33,799 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:33,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:34,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:34,014 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:34,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:34,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1370895219, now seen corresponding path program 1 times [2020-07-21 12:51:34,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:34,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1382363867] [2020-07-21 12:51:34,016 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:34,310 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:34,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:34,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 12:51:34,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:34,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:34,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:34,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1382363867] [2020-07-21 12:51:34,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:34,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:34,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607029604] [2020-07-21 12:51:34,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:34,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:34,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:34,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:34,335 INFO L87 Difference]: Start difference. First operand 613 states and 708 transitions. Second operand 3 states. [2020-07-21 12:51:34,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:34,399 INFO L93 Difference]: Finished difference Result 910 states and 1069 transitions. [2020-07-21 12:51:34,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:34,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-07-21 12:51:34,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:34,407 INFO L225 Difference]: With dead ends: 910 [2020-07-21 12:51:34,407 INFO L226 Difference]: Without dead ends: 907 [2020-07-21 12:51:34,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:34,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2020-07-21 12:51:34,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 765. [2020-07-21 12:51:34,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2020-07-21 12:51:34,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 898 transitions. [2020-07-21 12:51:34,461 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 898 transitions. Word has length 93 [2020-07-21 12:51:34,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:34,462 INFO L479 AbstractCegarLoop]: Abstraction has 765 states and 898 transitions. [2020-07-21 12:51:34,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:34,462 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 898 transitions. [2020-07-21 12:51:34,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-21 12:51:34,467 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:34,467 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:34,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:34,681 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:34,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:34,682 INFO L82 PathProgramCache]: Analyzing trace with hash -669184687, now seen corresponding path program 1 times [2020-07-21 12:51:34,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:34,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [266136017] [2020-07-21 12:51:34,682 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:34,945 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:34,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:34,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 12:51:34,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:35,081 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 12:51:35,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:35,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [266136017] [2020-07-21 12:51:35,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:35,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 12:51:35,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933507705] [2020-07-21 12:51:35,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 12:51:35,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:35,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 12:51:35,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:35,084 INFO L87 Difference]: Start difference. First operand 765 states and 898 transitions. Second operand 8 states. [2020-07-21 12:51:35,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:35,495 INFO L93 Difference]: Finished difference Result 1371 states and 1614 transitions. [2020-07-21 12:51:35,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 12:51:35,496 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-07-21 12:51:35,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:35,498 INFO L225 Difference]: With dead ends: 1371 [2020-07-21 12:51:35,498 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:51:35,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:35,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:51:35,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:51:35,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:51:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:51:35,503 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2020-07-21 12:51:35,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:35,503 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:51:35,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 12:51:35,503 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:51:35,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:51:35,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:35,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:51:36,871 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-07-21 12:51:37,012 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2020-07-21 12:51:37,160 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 24 [2020-07-21 12:51:37,652 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2020-07-21 12:51:38,211 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-07-21 12:51:38,321 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 24 [2020-07-21 12:51:38,444 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-07-21 12:51:38,589 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2020-07-21 12:51:38,739 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 22 [2020-07-21 12:51:38,922 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 27 [2020-07-21 12:51:39,052 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2020-07-21 12:51:39,177 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 24 [2020-07-21 12:51:39,860 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2020-07-21 12:51:40,009 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2020-07-21 12:51:40,419 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 22 [2020-07-21 12:51:40,728 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-07-21 12:51:40,847 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-07-21 12:51:40,852 INFO L268 CegarLoopResult]: For program point L667(lines 667 671) no Hoare annotation was computed. [2020-07-21 12:51:40,853 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 671) no Hoare annotation was computed. [2020-07-21 12:51:40,853 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-07-21 12:51:40,853 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 682) no Hoare annotation was computed. [2020-07-21 12:51:40,853 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 636 691) no Hoare annotation was computed. [2020-07-21 12:51:40,854 INFO L268 CegarLoopResult]: For program point L683(lines 660 684) no Hoare annotation was computed. [2020-07-21 12:51:40,854 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 636 691) no Hoare annotation was computed. [2020-07-21 12:51:40,854 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 636 691) no Hoare annotation was computed. [2020-07-21 12:51:40,854 INFO L268 CegarLoopResult]: For program point L737(line 737) no Hoare annotation was computed. [2020-07-21 12:51:40,854 INFO L268 CegarLoopResult]: For program point L737-1(line 737) no Hoare annotation was computed. [2020-07-21 12:51:40,854 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 692 751) no Hoare annotation was computed. [2020-07-21 12:51:40,854 INFO L268 CegarLoopResult]: For program point L724(lines 724 728) no Hoare annotation was computed. [2020-07-21 12:51:40,854 INFO L268 CegarLoopResult]: For program point L724-1(lines 724 728) no Hoare annotation was computed. [2020-07-21 12:51:40,855 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-07-21 12:51:40,855 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 692 751) no Hoare annotation was computed. [2020-07-21 12:51:40,855 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 743) no Hoare annotation was computed. [2020-07-21 12:51:40,855 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 692 751) no Hoare annotation was computed. [2020-07-21 12:51:40,855 INFO L268 CegarLoopResult]: For program point L744(lines 717 745) no Hoare annotation was computed. [2020-07-21 12:51:40,855 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2020-07-21 12:51:40,855 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2020-07-21 12:51:40,856 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-21 12:51:40,856 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2020-07-21 12:51:40,856 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-21 12:51:40,856 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:40,856 INFO L264 CegarLoopResult]: At program point L477(line 477) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:40,856 INFO L264 CegarLoopResult]: At program point L477-1(line 477) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:40,856 INFO L268 CegarLoopResult]: For program point L475(lines 475 482) no Hoare annotation was computed. [2020-07-21 12:51:40,857 INFO L268 CegarLoopResult]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2020-07-21 12:51:40,857 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-21 12:51:40,857 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2020-07-21 12:51:40,857 INFO L264 CegarLoopResult]: At program point L472(line 472) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:40,857 INFO L264 CegarLoopResult]: At program point L471(line 471) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:40,857 INFO L264 CegarLoopResult]: At program point L471-1(line 471) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:40,858 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 465 487) no Hoare annotation was computed. [2020-07-21 12:51:40,858 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 423 446) no Hoare annotation was computed. [2020-07-21 12:51:40,858 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 423 446) no Hoare annotation was computed. [2020-07-21 12:51:40,858 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 423 446) no Hoare annotation was computed. [2020-07-21 12:51:40,858 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-07-21 12:51:40,858 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-21 12:51:40,858 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 12:51:40,858 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-07-21 12:51:40,858 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-21 12:51:40,859 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 12:51:40,859 INFO L268 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-07-21 12:51:40,859 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-21 12:51:40,859 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 12:51:40,859 INFO L268 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-07-21 12:51:40,859 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-21 12:51:40,859 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 12:51:40,859 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-21 12:51:40,859 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-21 12:51:40,860 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2020-07-21 12:51:40,860 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2020-07-21 12:51:40,860 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 249 257) no Hoare annotation was computed. [2020-07-21 12:51:40,860 INFO L268 CegarLoopResult]: For program point L288(line 288) no Hoare annotation was computed. [2020-07-21 12:51:40,860 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-21 12:51:40,860 INFO L268 CegarLoopResult]: For program point L277(lines 277 285) no Hoare annotation was computed. [2020-07-21 12:51:40,860 INFO L268 CegarLoopResult]: For program point L277-2(lines 277 285) no Hoare annotation was computed. [2020-07-21 12:51:40,860 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 258 293) no Hoare annotation was computed. [2020-07-21 12:51:40,860 INFO L268 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-07-21 12:51:40,860 INFO L268 CegarLoopResult]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2020-07-21 12:51:40,860 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 258 293) no Hoare annotation was computed. [2020-07-21 12:51:40,860 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 258 293) no Hoare annotation was computed. [2020-07-21 12:51:40,861 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2020-07-21 12:51:40,861 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2020-07-21 12:51:40,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 590 635) no Hoare annotation was computed. [2020-07-21 12:51:40,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 590 635) no Hoare annotation was computed. [2020-07-21 12:51:40,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 590 635) no Hoare annotation was computed. [2020-07-21 12:51:40,861 INFO L268 CegarLoopResult]: For program point L923(lines 923 930) no Hoare annotation was computed. [2020-07-21 12:51:40,861 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 903 948) no Hoare annotation was computed. [2020-07-21 12:51:40,861 INFO L268 CegarLoopResult]: For program point L917(lines 917 937) no Hoare annotation was computed. [2020-07-21 12:51:40,861 INFO L268 CegarLoopResult]: For program point L917-1(lines 917 937) no Hoare annotation was computed. [2020-07-21 12:51:40,862 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 903 948) no Hoare annotation was computed. [2020-07-21 12:51:40,862 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 903 948) no Hoare annotation was computed. [2020-07-21 12:51:40,862 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:40,862 INFO L264 CegarLoopResult]: At program point L459(line 459) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:40,862 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2020-07-21 12:51:40,862 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2020-07-21 12:51:40,862 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2020-07-21 12:51:40,862 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2020-07-21 12:51:40,862 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 238 248) no Hoare annotation was computed. [2020-07-21 12:51:40,862 INFO L271 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: true [2020-07-21 12:51:40,862 INFO L268 CegarLoopResult]: For program point L243-1(line 243) no Hoare annotation was computed. [2020-07-21 12:51:40,863 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 12:51:40,863 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2020-07-21 12:51:40,863 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2020-07-21 12:51:40,863 INFO L268 CegarLoopResult]: For program point L573(lines 573 579) no Hoare annotation was computed. [2020-07-21 12:51:40,863 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2020-07-21 12:51:40,863 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2020-07-21 12:51:40,863 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 569 582) no Hoare annotation was computed. [2020-07-21 12:51:40,863 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse1 .cse4) (or .cse5 .cse1 .cse2))) [2020-07-21 12:51:40,863 INFO L268 CegarLoopResult]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2020-07-21 12:51:40,863 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2020-07-21 12:51:40,863 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not .cse0)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse7) (or .cse5 .cse1 .cse6 .cse4 .cse7)))) [2020-07-21 12:51:40,864 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not .cse0) .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse1 .cse4))) [2020-07-21 12:51:40,864 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not .cse4)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse3 .cse6) (or .cse4 .cse1 .cse2 (and .cse5 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2)))))) [2020-07-21 12:51:40,864 INFO L268 CegarLoopResult]: For program point L205(lines 205 213) no Hoare annotation was computed. [2020-07-21 12:51:40,864 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not .cse0)) (.cse6 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse0 .cse1 .cse3 .cse6) (or .cse4 .cse1 .cse5 .cse6)))) [2020-07-21 12:51:40,864 INFO L268 CegarLoopResult]: For program point L203-1(line 203) no Hoare annotation was computed. [2020-07-21 12:51:40,864 INFO L268 CegarLoopResult]: For program point L201(lines 201 218) no Hoare annotation was computed. [2020-07-21 12:51:40,864 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2020-07-21 12:51:40,865 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2020-07-21 12:51:40,865 INFO L264 CegarLoopResult]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:40,865 INFO L264 CegarLoopResult]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse3 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:51:40,865 INFO L264 CegarLoopResult]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse3 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:51:40,865 INFO L268 CegarLoopResult]: For program point L345(lines 345 351) no Hoare annotation was computed. [2020-07-21 12:51:40,865 INFO L268 CegarLoopResult]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2020-07-21 12:51:40,865 INFO L268 CegarLoopResult]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2020-07-21 12:51:40,865 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-07-21 12:51:40,865 INFO L264 CegarLoopResult]: At program point L383(lines 334 384) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:40,866 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-07-21 12:51:40,866 INFO L264 CegarLoopResult]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:51:40,866 INFO L268 CegarLoopResult]: For program point L336(lines 335 382) no Hoare annotation was computed. [2020-07-21 12:51:40,866 INFO L264 CegarLoopResult]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:51:40,866 INFO L268 CegarLoopResult]: For program point L365(lines 365 378) no Hoare annotation was computed. [2020-07-21 12:51:40,866 INFO L264 CegarLoopResult]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse3 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:51:40,867 INFO L268 CegarLoopResult]: For program point L355(lines 355 361) no Hoare annotation was computed. [2020-07-21 12:51:40,867 INFO L268 CegarLoopResult]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2020-07-21 12:51:40,867 INFO L268 CegarLoopResult]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2020-07-21 12:51:40,867 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 857 902) no Hoare annotation was computed. [2020-07-21 12:51:40,867 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 857 902) no Hoare annotation was computed. [2020-07-21 12:51:40,867 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 857 902) no Hoare annotation was computed. [2020-07-21 12:51:40,867 INFO L268 CegarLoopResult]: For program point L877(lines 877 884) no Hoare annotation was computed. [2020-07-21 12:51:40,867 INFO L268 CegarLoopResult]: For program point L871(lines 871 891) no Hoare annotation was computed. [2020-07-21 12:51:40,867 INFO L268 CegarLoopResult]: For program point L871-1(lines 871 891) no Hoare annotation was computed. [2020-07-21 12:51:40,868 INFO L268 CegarLoopResult]: For program point L66-1(line 66) no Hoare annotation was computed. [2020-07-21 12:51:40,868 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:51:40,868 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))))) [2020-07-21 12:51:40,868 INFO L268 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2020-07-21 12:51:40,868 INFO L268 CegarLoopResult]: For program point L72(lines 72 82) no Hoare annotation was computed. [2020-07-21 12:51:40,868 INFO L264 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:51:40,868 INFO L268 CegarLoopResult]: For program point L70-1(line 70) no Hoare annotation was computed. [2020-07-21 12:51:40,869 INFO L268 CegarLoopResult]: For program point L68(lines 68 85) no Hoare annotation was computed. [2020-07-21 12:51:40,869 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2020-07-21 12:51:40,869 INFO L268 CegarLoopResult]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2020-07-21 12:51:40,869 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:51:40,869 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-21 12:51:40,869 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 52 59) no Hoare annotation was computed. [2020-07-21 12:51:40,869 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2020-07-21 12:51:40,869 INFO L268 CegarLoopResult]: For program point L545(lines 545 553) no Hoare annotation was computed. [2020-07-21 12:51:40,870 INFO L268 CegarLoopResult]: For program point L545-2(lines 545 553) no Hoare annotation was computed. [2020-07-21 12:51:40,870 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 537 559) no Hoare annotation was computed. [2020-07-21 12:51:40,870 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 537 559) no Hoare annotation was computed. [2020-07-21 12:51:40,870 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 537 559) no Hoare annotation was computed. [2020-07-21 12:51:40,870 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 94 103) no Hoare annotation was computed. [2020-07-21 12:51:40,870 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 94 103) no Hoare annotation was computed. [2020-07-21 12:51:40,870 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 94 103) no Hoare annotation was computed. [2020-07-21 12:51:40,870 INFO L268 CegarLoopResult]: For program point L803-2(lines 803 823) no Hoare annotation was computed. [2020-07-21 12:51:40,870 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 754 856) no Hoare annotation was computed. [2020-07-21 12:51:40,871 INFO L268 CegarLoopResult]: For program point L824(lines 802 825) no Hoare annotation was computed. [2020-07-21 12:51:40,871 INFO L268 CegarLoopResult]: For program point L783(lines 783 799) no Hoare annotation was computed. [2020-07-21 12:51:40,871 INFO L268 CegarLoopResult]: For program point L843(lines 843 850) no Hoare annotation was computed. [2020-07-21 12:51:40,871 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 754 856) no Hoare annotation was computed. [2020-07-21 12:51:40,871 INFO L268 CegarLoopResult]: For program point L804(lines 803 823) no Hoare annotation was computed. [2020-07-21 12:51:40,871 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-07-21 12:51:40,871 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-21 12:51:40,871 INFO L268 CegarLoopResult]: For program point L800(lines 800 841) no Hoare annotation was computed. [2020-07-21 12:51:40,871 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-07-21 12:51:40,871 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-21 12:51:40,871 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 754 856) no Hoare annotation was computed. [2020-07-21 12:51:40,871 INFO L268 CegarLoopResult]: For program point L778(lines 778 782) no Hoare annotation was computed. [2020-07-21 12:51:40,871 INFO L268 CegarLoopResult]: For program point L842(lines 842 853) no Hoare annotation was computed. [2020-07-21 12:51:40,871 INFO L268 CegarLoopResult]: For program point L805(lines 805 809) no Hoare annotation was computed. [2020-07-21 12:51:40,872 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:51:40,872 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-21 12:51:40,872 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:51:40,872 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 222 229) no Hoare annotation was computed. [2020-07-21 12:51:40,872 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2020-07-21 12:51:40,872 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3))) [2020-07-21 12:51:40,872 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2020-07-21 12:51:40,872 INFO L268 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-07-21 12:51:40,872 INFO L271 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: true [2020-07-21 12:51:40,872 INFO L268 CegarLoopResult]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2020-07-21 12:51:40,872 INFO L268 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-07-21 12:51:40,872 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2020-07-21 12:51:40,873 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 294 312) no Hoare annotation was computed. [2020-07-21 12:51:40,873 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 560 568) no Hoare annotation was computed. [2020-07-21 12:51:40,873 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 560 568) no Hoare annotation was computed. [2020-07-21 12:51:40,873 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 560 568) no Hoare annotation was computed. [2020-07-21 12:51:40,873 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (= 0 ~pumpRunning~0) .cse3) (or .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2020-07-21 12:51:40,873 INFO L268 CegarLoopResult]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2020-07-21 12:51:40,873 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2020-07-21 12:51:40,873 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:51:40,874 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:51:40,874 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:51:40,874 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2020-07-21 12:51:40,874 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2020-07-21 12:51:40,874 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2020-07-21 12:51:40,874 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not .cse0)) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse4 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse1 .cse7 .cse8) (or .cse1 .cse2 .cse5 .cse9 .cse10) (or .cse0 .cse1 .cse3 .cse7) (or .cse6 .cse1 .cse5 .cse7 .cse8) (or .cse6 .cse1 .cse2 .cse5 .cse8) (or .cse1 .cse5 .cse9 .cse7 .cse10)))) [2020-07-21 12:51:40,874 INFO L264 CegarLoopResult]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not .cse0)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse5) (or .cse0 .cse2 .cse6 .cse5) (or .cse2 .cse7 .cse6 .cse8 .cse9) (or .cse1 .cse2 .cse6 .cse8 .cse4) (or .cse2 .cse7 .cse8 .cse9 .cse3) (or .cse1 .cse2 .cse8 .cse9 .cse3 (and .cse5 .cse4)) (or .cse1 .cse2 .cse6 .cse8 .cse5)))) [2020-07-21 12:51:40,875 INFO L264 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not .cse0)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (= 0 ~methAndRunningLastTime~0) .cse2 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse7) (or .cse1 .cse2 .cse4 .cse8) (or .cse0 .cse1 .cse3 .cse6) (or .cse1 .cse4 .cse8 .cse6) (or .cse5 .cse1 .cse2 .cse4 .cse7)))) [2020-07-21 12:51:40,875 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not .cse0)) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse4 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse1 .cse7 .cse8) (or .cse1 .cse2 .cse5 .cse9 .cse10) (or .cse0 .cse1 .cse3 .cse7) (or .cse6 .cse1 .cse5 .cse7 .cse8) (or .cse6 .cse1 .cse2 .cse5 .cse8) (or .cse1 .cse5 .cse9 .cse7 .cse10)))) [2020-07-21 12:51:40,875 INFO L268 CegarLoopResult]: For program point L143(lines 142 161) no Hoare annotation was computed. [2020-07-21 12:51:40,875 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2020-07-21 12:51:40,875 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2020-07-21 12:51:40,875 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2020-07-21 12:51:40,875 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-07-21 12:51:40,876 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: true [2020-07-21 12:51:40,876 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-07-21 12:51:40,876 INFO L271 CegarLoopResult]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2020-07-21 12:51:40,876 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-21 12:51:40,876 INFO L271 CegarLoopResult]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2020-07-21 12:51:40,876 INFO L271 CegarLoopResult]: At program point L399(line 399) the Hoare annotation is: true [2020-07-21 12:51:40,876 INFO L268 CegarLoopResult]: For program point L399-1(line 399) no Hoare annotation was computed. [2020-07-21 12:51:40,876 INFO L271 CegarLoopResult]: At program point L418(lines 393 422) the Hoare annotation is: true [2020-07-21 12:51:40,876 INFO L268 CegarLoopResult]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2020-07-21 12:51:40,877 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 (not (= 0 ~methAndRunningLastTime~0)) .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-21 12:51:40,877 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2020-07-21 12:51:40,877 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2020-07-21 12:51:40,877 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2020-07-21 12:51:40,877 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:51:40,877 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:51:40,877 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:51:40,877 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:51:40,878 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2020-07-21 12:51:40,878 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3) (or .cse5 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3))) [2020-07-21 12:51:40,878 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 313 320) no Hoare annotation was computed. [2020-07-21 12:51:40,878 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not .cse0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse5) (or .cse3 .cse1 .cse4 .cse2 .cse5)))) [2020-07-21 12:51:40,878 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse3)) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse3 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) (or .cse0 .cse1 .cse2 .cse4)))) [2020-07-21 12:51:40,878 INFO L268 CegarLoopResult]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2020-07-21 12:51:40,878 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2020-07-21 12:51:40,879 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) (not .cse3)) (or .cse3 .cse1 .cse4) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-21 12:51:40,879 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (let ((.cse7 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (not (<= ~waterLevel~0 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not .cse7)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse6 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse1 .cse5 .cse6) (or .cse7 .cse1 .cse5)))) [2020-07-21 12:51:40,879 INFO L268 CegarLoopResult]: For program point L179(lines 179 187) no Hoare annotation was computed. [2020-07-21 12:51:40,879 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse2 .cse1 .cse4))) [2020-07-21 12:51:40,879 INFO L268 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-07-21 12:51:40,879 INFO L268 CegarLoopResult]: For program point L175(lines 175 192) no Hoare annotation was computed. [2020-07-21 12:51:40,879 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2020-07-21 12:51:40,880 INFO L268 CegarLoopResult]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2020-07-21 12:51:40,880 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= 0 ~pumpRunning~0))))) [2020-07-21 12:51:40,880 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-21 12:51:40,880 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-21 12:51:40,880 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-21 12:51:40,880 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-21 12:51:40,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:51:40 BoogieIcfgContainer [2020-07-21 12:51:40,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:51:40,900 INFO L168 Benchmark]: Toolchain (without parser) took 16029.71 ms. Allocated memory was 137.4 MB in the beginning and 429.9 MB in the end (delta: 292.6 MB). Free memory was 101.4 MB in the beginning and 298.7 MB in the end (delta: -197.3 MB). Peak memory consumption was 267.1 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:40,901 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:51:40,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.81 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 101.2 MB in the beginning and 169.8 MB in the end (delta: -68.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:40,903 INFO L168 Benchmark]: Boogie Preprocessor took 134.09 ms. Allocated memory is still 200.3 MB. Free memory was 169.8 MB in the beginning and 165.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:40,903 INFO L168 Benchmark]: RCFGBuilder took 1131.37 ms. Allocated memory was 200.3 MB in the beginning and 231.7 MB in the end (delta: 31.5 MB). Free memory was 165.5 MB in the beginning and 196.6 MB in the end (delta: -31.1 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:40,904 INFO L168 Benchmark]: TraceAbstraction took 14107.36 ms. Allocated memory was 231.7 MB in the beginning and 429.9 MB in the end (delta: 198.2 MB). Free memory was 195.1 MB in the beginning and 298.7 MB in the end (delta: -103.5 MB). Peak memory consumption was 266.5 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:40,907 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.81 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 101.2 MB in the beginning and 169.8 MB in the end (delta: -68.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.09 ms. Allocated memory is still 200.3 MB. Free memory was 169.8 MB in the beginning and 165.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1131.37 ms. Allocated memory was 200.3 MB in the beginning and 231.7 MB in the end (delta: 31.5 MB). Free memory was 165.5 MB in the beginning and 196.6 MB in the end (delta: -31.1 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14107.36 ms. Allocated memory was 231.7 MB in the beginning and 429.9 MB in the end (delta: 198.2 MB). Free memory was 195.1 MB in the beginning and 298.7 MB in the end (delta: -103.5 MB). Peak memory consumption was 266.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= systemActive)) || (((1 <= methaneLevelCritical && !(0 == pumpRunning)) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.8s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1766 SDtfs, 747 SDslu, 3206 SDs, 0 SdLazy, 635 SolverSat, 175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 899 GetRequests, 862 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=765occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 176 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1146 PreInvPairs, 1228 NumberOfFragments, 2331 HoareAnnotationTreeSize, 1146 FomulaSimplifications, 2294 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 61 FomulaSimplificationsInter, 6978 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 903 NumberOfCodeBlocks, 903 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 892 ConstructedInterpolants, 0 QuantifiedInterpolants, 159677 SizeOfPredicates, 26 NumberOfNonLiveVariables, 8296 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 42/42 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...