/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 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:04:50,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:04:50,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:04:50,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:04:50,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:04:50,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:04:50,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:04:50,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:04:50,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:04:50,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:04:50,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:04:50,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:04:50,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:04:50,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:04:50,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:04:50,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:04:50,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:04:50,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:04:50,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:04:50,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:04:50,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:04:50,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:04:50,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:04:50,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:04:50,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:04:50,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:04:50,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:04:50,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:04:50,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:04:50,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:04:50,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:04:50,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:04:50,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:04:50,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:04:50,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:04:50,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:04:50,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:04:50,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:04:50,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:04:50,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:04:50,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:04:50,567 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 [2020-07-20 13:04:50,581 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:04:50,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:04:50,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:04:50,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:04:50,583 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:04:50,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:04:50,584 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:04:50,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:04:50,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:04:50,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:04:50,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:04:50,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:04:50,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:04:50,585 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:04:50,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:04:50,585 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:04:50,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:04:50,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:04:50,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:04:50,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:04:50,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:04:50,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:04:50,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:04:50,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:04:50,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:04:50,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:04:50,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:50,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:04:50,588 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:04:50,588 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 -> 4 [2020-07-20 13:04:50,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:04:50,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:04:50,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:04:50,872 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:04:50,873 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:04:50,873 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-07-20 13:04:50,949 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6679e0ded/db6cf48ba30a460bb34d7fb3d6498bed/FLAGbf17890e7 [2020-07-20 13:04:51,468 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:04:51,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-07-20 13:04:51,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6679e0ded/db6cf48ba30a460bb34d7fb3d6498bed/FLAGbf17890e7 [2020-07-20 13:04:51,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6679e0ded/db6cf48ba30a460bb34d7fb3d6498bed [2020-07-20 13:04:51,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:04:51,785 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:04:51,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:04:51,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:04:51,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:04:51,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:51" (1/1) ... [2020-07-20 13:04:51,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b0fba68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:51, skipping insertion in model container [2020-07-20 13:04:51,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:51" (1/1) ... [2020-07-20 13:04:51,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:04:51,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:04:52,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:04:52,376 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:04:52,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:04:52,510 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:04:52,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52 WrapperNode [2020-07-20 13:04:52,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:04:52,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:04:52,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:04:52,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:04:52,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (1/1) ... [2020-07-20 13:04:52,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (1/1) ... [2020-07-20 13:04:52,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (1/1) ... [2020-07-20 13:04:52,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (1/1) ... [2020-07-20 13:04:52,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (1/1) ... [2020-07-20 13:04:52,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (1/1) ... [2020-07-20 13:04:52,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (1/1) ... [2020-07-20 13:04:52,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:04:52,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:04:52,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:04:52,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:04:52,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (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 [2020-07-20 13:04:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:04:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:04:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:04:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:04:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:04:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:04:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:04:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:04:52,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:04:52,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:04:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:04:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:04:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:04:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:04:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:04:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 13:04:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:04:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:04:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:04:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:04:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:04:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:04:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 13:04:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:04:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:04:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:04:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:04:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:04:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:04:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:04:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:04:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:04:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:04:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:04:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:04:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:04:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:04:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:04:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:04:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:04:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:04:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:04:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:04:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:04:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:04:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:04:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:04:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:04:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:04:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:04:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:04:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:04:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:04:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:04:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:04:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:04:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:04:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:04:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:04:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:04:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:04:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:04:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:04:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:04:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:04:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:04:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:04:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 13:04:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:04:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:04:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:04:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:04:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:04:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:04:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:04:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:04:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:04:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:04:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:04:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:04:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:04:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:04:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:04:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:04:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:04:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:04:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 13:04:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:04:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:04:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:04:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:04:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:04:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:04:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:04:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:04:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:04:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:04:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:04:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:04:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:04:53,790 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:04:53,790 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:04:53,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:53 BoogieIcfgContainer [2020-07-20 13:04:53,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:04:53,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:04:53,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:04:53,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:04:53,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:51" (1/3) ... [2020-07-20 13:04:53,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39549f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:53, skipping insertion in model container [2020-07-20 13:04:53,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (2/3) ... [2020-07-20 13:04:53,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39549f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:53, skipping insertion in model container [2020-07-20 13:04:53,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:53" (3/3) ... [2020-07-20 13:04:53,804 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2020-07-20 13:04:53,815 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:04:53,823 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:04:53,838 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:04:53,863 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:04:53,863 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:04:53,863 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:04:53,864 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:04:53,864 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:04:53,864 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:04:53,864 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:04:53,865 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:04:53,887 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-07-20 13:04:53,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 13:04:53,898 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:53,899 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:53,899 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:53,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:53,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1391539258, now seen corresponding path program 1 times [2020-07-20 13:04:53,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:53,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1411065833] [2020-07-20 13:04:53,916 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:04:54,396 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:54,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:54,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:04:54,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:04:54,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:54,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1411065833] [2020-07-20 13:04:54,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:54,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:04:54,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783113518] [2020-07-20 13:04:54,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:04:54,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:54,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:04:54,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:04:54,470 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2020-07-20 13:04:54,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:54,533 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2020-07-20 13:04:54,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:04:54,536 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 13:04:54,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:54,555 INFO L225 Difference]: With dead ends: 302 [2020-07-20 13:04:54,555 INFO L226 Difference]: Without dead ends: 153 [2020-07-20 13:04:54,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:04:54,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-20 13:04:54,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-20 13:04:54,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-20 13:04:54,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2020-07-20 13:04:54,656 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 59 [2020-07-20 13:04:54,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:54,656 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2020-07-20 13:04:54,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:04:54,657 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2020-07-20 13:04:54,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 13:04:54,662 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:54,662 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:54,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:54,876 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:54,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:54,877 INFO L82 PathProgramCache]: Analyzing trace with hash 404948371, now seen corresponding path program 1 times [2020-07-20 13:04:54,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:54,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1976190250] [2020-07-20 13:04:54,878 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:04:55,418 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:55,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:55,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:04:55,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:04:55,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:55,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1976190250] [2020-07-20 13:04:55,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:55,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:55,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418042038] [2020-07-20 13:04:55,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:55,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:55,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:55,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:55,471 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand 3 states. [2020-07-20 13:04:55,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:55,511 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2020-07-20 13:04:55,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:55,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 13:04:55,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:55,517 INFO L225 Difference]: With dead ends: 241 [2020-07-20 13:04:55,517 INFO L226 Difference]: Without dead ends: 144 [2020-07-20 13:04:55,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:55,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-20 13:04:55,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-20 13:04:55,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-20 13:04:55,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2020-07-20 13:04:55,536 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 60 [2020-07-20 13:04:55,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:55,537 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2020-07-20 13:04:55,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:55,537 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2020-07-20 13:04:55,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 13:04:55,540 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:55,540 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:55,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:55,755 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:55,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:55,755 INFO L82 PathProgramCache]: Analyzing trace with hash 539093391, now seen corresponding path program 1 times [2020-07-20 13:04:55,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:55,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099841467] [2020-07-20 13:04:55,756 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:04:56,132 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:56,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:56,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:04:56,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:56,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:56,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:56,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099841467] [2020-07-20 13:04:56,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:56,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:56,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474938345] [2020-07-20 13:04:56,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:56,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:56,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:56,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:56,189 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 3 states. [2020-07-20 13:04:56,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:56,236 INFO L93 Difference]: Finished difference Result 372 states and 447 transitions. [2020-07-20 13:04:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:56,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 13:04:56,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:56,240 INFO L225 Difference]: With dead ends: 372 [2020-07-20 13:04:56,240 INFO L226 Difference]: Without dead ends: 256 [2020-07-20 13:04:56,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:56,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-07-20 13:04:56,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 250. [2020-07-20 13:04:56,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-07-20 13:04:56,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 299 transitions. [2020-07-20 13:04:56,296 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 299 transitions. Word has length 65 [2020-07-20 13:04:56,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:56,298 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 299 transitions. [2020-07-20 13:04:56,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:56,299 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 299 transitions. [2020-07-20 13:04:56,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 13:04:56,306 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:56,306 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:56,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:56,522 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:56,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:56,522 INFO L82 PathProgramCache]: Analyzing trace with hash -652418830, now seen corresponding path program 1 times [2020-07-20 13:04:56,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:56,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389917097] [2020-07-20 13:04:56,523 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:04:56,970 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:56,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:56,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:04:56,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:57,017 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:57,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389917097] [2020-07-20 13:04:57,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:57,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:57,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316584769] [2020-07-20 13:04:57,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:57,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:57,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:57,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:57,019 INFO L87 Difference]: Start difference. First operand 250 states and 299 transitions. Second operand 6 states. [2020-07-20 13:04:57,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:57,288 INFO L93 Difference]: Finished difference Result 616 states and 763 transitions. [2020-07-20 13:04:57,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:04:57,288 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 13:04:57,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:57,293 INFO L225 Difference]: With dead ends: 616 [2020-07-20 13:04:57,293 INFO L226 Difference]: Without dead ends: 394 [2020-07-20 13:04:57,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:04:57,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-07-20 13:04:57,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 384. [2020-07-20 13:04:57,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-07-20 13:04:57,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 457 transitions. [2020-07-20 13:04:57,355 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 457 transitions. Word has length 70 [2020-07-20 13:04:57,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:57,356 INFO L479 AbstractCegarLoop]: Abstraction has 384 states and 457 transitions. [2020-07-20 13:04:57,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 457 transitions. [2020-07-20 13:04:57,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 13:04:57,361 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:57,361 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:57,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:57,563 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:57,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:57,563 INFO L82 PathProgramCache]: Analyzing trace with hash -918633805, now seen corresponding path program 1 times [2020-07-20 13:04:57,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:57,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352719393] [2020-07-20 13:04:57,565 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:04:57,910 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:57,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:57,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:04:57,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:57,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:57,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:57,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352719393] [2020-07-20 13:04:57,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:57,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:57,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787147231] [2020-07-20 13:04:57,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:57,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:57,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:57,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:57,957 INFO L87 Difference]: Start difference. First operand 384 states and 457 transitions. Second operand 3 states. [2020-07-20 13:04:58,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:58,021 INFO L93 Difference]: Finished difference Result 1088 states and 1377 transitions. [2020-07-20 13:04:58,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:58,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-07-20 13:04:58,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:58,029 INFO L225 Difference]: With dead ends: 1088 [2020-07-20 13:04:58,029 INFO L226 Difference]: Without dead ends: 732 [2020-07-20 13:04:58,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:58,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-07-20 13:04:58,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 729. [2020-07-20 13:04:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2020-07-20 13:04:58,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 904 transitions. [2020-07-20 13:04:58,108 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 904 transitions. Word has length 108 [2020-07-20 13:04:58,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:58,109 INFO L479 AbstractCegarLoop]: Abstraction has 729 states and 904 transitions. [2020-07-20 13:04:58,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:58,109 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 904 transitions. [2020-07-20 13:04:58,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 13:04:58,118 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:58,118 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:58,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:58,337 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:58,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:58,338 INFO L82 PathProgramCache]: Analyzing trace with hash 203164686, now seen corresponding path program 1 times [2020-07-20 13:04:58,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:58,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [198695344] [2020-07-20 13:04:58,339 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:04:58,753 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:58,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:58,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 13:04:58,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:58,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:58,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:58,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [198695344] [2020-07-20 13:04:58,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:58,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:58,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452517018] [2020-07-20 13:04:58,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:58,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:58,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:58,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:58,854 INFO L87 Difference]: Start difference. First operand 729 states and 904 transitions. Second operand 6 states. [2020-07-20 13:05:00,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:00,043 INFO L93 Difference]: Finished difference Result 2407 states and 3190 transitions. [2020-07-20 13:05:00,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 13:05:00,043 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2020-07-20 13:05:00,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:00,056 INFO L225 Difference]: With dead ends: 2407 [2020-07-20 13:05:00,056 INFO L226 Difference]: Without dead ends: 1706 [2020-07-20 13:05:00,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 13:05:00,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2020-07-20 13:05:00,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1582. [2020-07-20 13:05:00,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2020-07-20 13:05:00,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2032 transitions. [2020-07-20 13:05:00,169 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2032 transitions. Word has length 112 [2020-07-20 13:05:00,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:00,170 INFO L479 AbstractCegarLoop]: Abstraction has 1582 states and 2032 transitions. [2020-07-20 13:05:00,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:00,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2032 transitions. [2020-07-20 13:05:00,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 13:05:00,172 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:00,172 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:00,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:00,387 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:00,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:00,388 INFO L82 PathProgramCache]: Analyzing trace with hash -678093676, now seen corresponding path program 1 times [2020-07-20 13:05:00,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:00,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [136958022] [2020-07-20 13:05:00,389 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:05:00,690 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:00,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:00,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:05:00,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:00,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:00,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:00,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [136958022] [2020-07-20 13:05:00,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:00,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:05:00,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195887528] [2020-07-20 13:05:00,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:05:00,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:00,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:05:00,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:05:00,749 INFO L87 Difference]: Start difference. First operand 1582 states and 2032 transitions. Second operand 6 states. [2020-07-20 13:05:00,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:00,846 INFO L93 Difference]: Finished difference Result 3178 states and 4298 transitions. [2020-07-20 13:05:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:05:00,847 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2020-07-20 13:05:00,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:00,859 INFO L225 Difference]: With dead ends: 3178 [2020-07-20 13:05:00,859 INFO L226 Difference]: Without dead ends: 1624 [2020-07-20 13:05:00,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:05:00,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2020-07-20 13:05:00,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1612. [2020-07-20 13:05:00,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1612 states. [2020-07-20 13:05:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2070 transitions. [2020-07-20 13:05:00,981 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2070 transitions. Word has length 108 [2020-07-20 13:05:00,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:00,982 INFO L479 AbstractCegarLoop]: Abstraction has 1612 states and 2070 transitions. [2020-07-20 13:05:00,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:00,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2070 transitions. [2020-07-20 13:05:00,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 13:05:00,984 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:00,984 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:01,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:01,199 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:01,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:01,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1250179026, now seen corresponding path program 1 times [2020-07-20 13:05:01,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:01,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [544757746] [2020-07-20 13:05:01,201 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:05:01,568 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:01,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:01,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:05:01,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:01,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:01,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:01,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [544757746] [2020-07-20 13:05:01,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:01,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:05:01,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056989729] [2020-07-20 13:05:01,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:05:01,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:01,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:05:01,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:05:01,612 INFO L87 Difference]: Start difference. First operand 1612 states and 2070 transitions. Second operand 5 states. [2020-07-20 13:05:01,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:01,684 INFO L93 Difference]: Finished difference Result 2982 states and 3930 transitions. [2020-07-20 13:05:01,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:05:01,685 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-07-20 13:05:01,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:01,694 INFO L225 Difference]: With dead ends: 2982 [2020-07-20 13:05:01,694 INFO L226 Difference]: Without dead ends: 1398 [2020-07-20 13:05:01,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:05:01,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2020-07-20 13:05:01,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1398. [2020-07-20 13:05:01,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1398 states. [2020-07-20 13:05:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1772 transitions. [2020-07-20 13:05:01,772 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1772 transitions. Word has length 108 [2020-07-20 13:05:01,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:01,772 INFO L479 AbstractCegarLoop]: Abstraction has 1398 states and 1772 transitions. [2020-07-20 13:05:01,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:05:01,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1772 transitions. [2020-07-20 13:05:01,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 13:05:01,775 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:01,775 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:01,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:01,989 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:01,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:01,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1890897259, now seen corresponding path program 1 times [2020-07-20 13:05:01,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:01,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1123781193] [2020-07-20 13:05:01,991 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:05:02,385 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:02,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:02,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 13:05:02,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:02,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:02,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:02,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1123781193] [2020-07-20 13:05:02,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:02,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 13:05:02,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804227745] [2020-07-20 13:05:02,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:05:02,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:02,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:05:02,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:05:02,505 INFO L87 Difference]: Start difference. First operand 1398 states and 1772 transitions. Second operand 10 states. [2020-07-20 13:05:04,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:04,404 INFO L93 Difference]: Finished difference Result 3565 states and 4989 transitions. [2020-07-20 13:05:04,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 13:05:04,405 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-07-20 13:05:04,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:04,420 INFO L225 Difference]: With dead ends: 3565 [2020-07-20 13:05:04,421 INFO L226 Difference]: Without dead ends: 2195 [2020-07-20 13:05:04,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 13:05:04,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2020-07-20 13:05:04,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 1539. [2020-07-20 13:05:04,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1539 states. [2020-07-20 13:05:04,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1539 states and 1890 transitions. [2020-07-20 13:05:04,531 INFO L78 Accepts]: Start accepts. Automaton has 1539 states and 1890 transitions. Word has length 112 [2020-07-20 13:05:04,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:04,532 INFO L479 AbstractCegarLoop]: Abstraction has 1539 states and 1890 transitions. [2020-07-20 13:05:04,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:05:04,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1890 transitions. [2020-07-20 13:05:04,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-07-20 13:05:04,536 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:04,537 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:04,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:04,753 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:04,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:04,753 INFO L82 PathProgramCache]: Analyzing trace with hash 307281674, now seen corresponding path program 1 times [2020-07-20 13:05:04,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:04,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902520853] [2020-07-20 13:05:04,754 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:05:05,043 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:05:05,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:05,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 13:05:05,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:05,084 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-20 13:05:05,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:05,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902520853] [2020-07-20 13:05:05,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:05,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:05,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351917259] [2020-07-20 13:05:05,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:05,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:05,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:05,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:05,086 INFO L87 Difference]: Start difference. First operand 1539 states and 1890 transitions. Second operand 3 states. [2020-07-20 13:05:05,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:05,263 INFO L93 Difference]: Finished difference Result 2626 states and 3219 transitions. [2020-07-20 13:05:05,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:05,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-07-20 13:05:05,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:05,274 INFO L225 Difference]: With dead ends: 2626 [2020-07-20 13:05:05,274 INFO L226 Difference]: Without dead ends: 1115 [2020-07-20 13:05:05,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:05,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2020-07-20 13:05:05,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1082. [2020-07-20 13:05:05,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1082 states. [2020-07-20 13:05:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1293 transitions. [2020-07-20 13:05:05,343 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1293 transitions. Word has length 189 [2020-07-20 13:05:05,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:05,343 INFO L479 AbstractCegarLoop]: Abstraction has 1082 states and 1293 transitions. [2020-07-20 13:05:05,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:05,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1293 transitions. [2020-07-20 13:05:05,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-20 13:05:05,346 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:05,347 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:05,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:05,561 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:05,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:05,562 INFO L82 PathProgramCache]: Analyzing trace with hash 828062466, now seen corresponding path program 1 times [2020-07-20 13:05:05,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:05,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489370638] [2020-07-20 13:05:05,562 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:05:05,979 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:05,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:05,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:05:05,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:06,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:05:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-20 13:05:06,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489370638] [2020-07-20 13:05:06,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:05:06,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 13:05:06,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855954491] [2020-07-20 13:05:06,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:05:06,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:06,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:05:06,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:05:06,546 INFO L87 Difference]: Start difference. First operand 1082 states and 1293 transitions. Second operand 10 states. [2020-07-20 13:05:07,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:07,443 INFO L93 Difference]: Finished difference Result 2384 states and 2872 transitions. [2020-07-20 13:05:07,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 13:05:07,444 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172 [2020-07-20 13:05:07,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:07,445 INFO L225 Difference]: With dead ends: 2384 [2020-07-20 13:05:07,445 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:05:07,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 331 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 13:05:07,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:05:07,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:05:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:05:07,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:05:07,453 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-07-20 13:05:07,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:07,454 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:05:07,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:05:07,454 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:05:07,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:05:07,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:07,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:05:10,075 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 32 [2020-07-20 13:05:10,908 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 51 [2020-07-20 13:05:11,121 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-07-20 13:05:11,613 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2020-07-20 13:05:12,134 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 48 [2020-07-20 13:05:12,372 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2020-07-20 13:05:12,697 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-07-20 13:05:12,922 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 28 [2020-07-20 13:05:13,081 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-07-20 13:05:13,289 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2020-07-20 13:05:13,510 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2020-07-20 13:05:13,848 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 37 [2020-07-20 13:05:14,073 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-20 13:05:14,509 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 41 [2020-07-20 13:05:14,746 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-07-20 13:05:15,598 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 32 [2020-07-20 13:05:16,061 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 34 [2020-07-20 13:05:16,120 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 13:05:16,121 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 13:05:16,121 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 13:05:16,121 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 13:05:16,121 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 13:05:16,122 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 13:05:16,122 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 13:05:16,122 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 13:05:16,122 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 13:05:16,122 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 13:05:16,123 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 13:05:16,123 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 13:05:16,123 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 13:05:16,123 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 13:05:16,123 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 13:05:16,123 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 13:05:16,123 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 13:05:16,123 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 13:05:16,124 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 984 990) the Hoare annotation is: true [2020-07-20 13:05:16,124 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 984 990) no Hoare annotation was computed. [2020-07-20 13:05:16,124 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 991 999) no Hoare annotation was computed. [2020-07-20 13:05:16,124 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 991 999) the Hoare annotation is: true [2020-07-20 13:05:16,124 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 991 999) no Hoare annotation was computed. [2020-07-20 13:05:16,124 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 918 925) the Hoare annotation is: true [2020-07-20 13:05:16,125 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 918 925) no Hoare annotation was computed. [2020-07-20 13:05:16,125 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 918 925) no Hoare annotation was computed. [2020-07-20 13:05:16,125 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 926 935) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:05:16,125 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 926 935) no Hoare annotation was computed. [2020-07-20 13:05:16,125 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 926 935) no Hoare annotation was computed. [2020-07-20 13:05:16,125 INFO L268 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-07-20 13:05:16,126 INFO L264 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 13:05:16,126 INFO L268 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2020-07-20 13:05:16,126 INFO L268 CegarLoopResult]: For program point L948(lines 948 958) no Hoare annotation was computed. [2020-07-20 13:05:16,126 INFO L264 CegarLoopResult]: At program point L946(line 946) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 13:05:16,126 INFO L268 CegarLoopResult]: For program point L946-1(line 946) no Hoare annotation was computed. [2020-07-20 13:05:16,126 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 936 964) the Hoare annotation is: true [2020-07-20 13:05:16,126 INFO L268 CegarLoopResult]: For program point L944(lines 944 961) no Hoare annotation was computed. [2020-07-20 13:05:16,127 INFO L268 CegarLoopResult]: For program point L944-1(lines 936 964) no Hoare annotation was computed. [2020-07-20 13:05:16,127 INFO L271 CegarLoopResult]: At program point L942(line 942) the Hoare annotation is: true [2020-07-20 13:05:16,127 INFO L268 CegarLoopResult]: For program point L942-1(line 942) no Hoare annotation was computed. [2020-07-20 13:05:16,127 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 936 964) no Hoare annotation was computed. [2020-07-20 13:05:16,127 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 893 915) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:16,127 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 893 915) no Hoare annotation was computed. [2020-07-20 13:05:16,127 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 893 915) no Hoare annotation was computed. [2020-07-20 13:05:16,128 INFO L264 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:16,128 INFO L264 CegarLoopResult]: At program point L905-1(line 905) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:16,128 INFO L268 CegarLoopResult]: For program point L903(lines 903 910) no Hoare annotation was computed. [2020-07-20 13:05:16,128 INFO L268 CegarLoopResult]: For program point L903-1(lines 903 910) no Hoare annotation was computed. [2020-07-20 13:05:16,128 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-07-20 13:05:16,128 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:16,128 INFO L264 CegarLoopResult]: At program point L899(line 899) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:16,129 INFO L264 CegarLoopResult]: At program point L899-1(line 899) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:16,129 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-07-20 13:05:16,129 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-20 13:05:16,129 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 847 870) no Hoare annotation was computed. [2020-07-20 13:05:16,129 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-20 13:05:16,129 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-20 13:05:16,129 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-20 13:05:16,129 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 847 870) no Hoare annotation was computed. [2020-07-20 13:05:16,129 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-20 13:05:16,130 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 847 870) no Hoare annotation was computed. [2020-07-20 13:05:16,130 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-20 13:05:16,130 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-20 13:05:16,130 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-20 13:05:16,130 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-20 13:05:16,130 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-20 13:05:16,130 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-20 13:05:16,130 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-20 13:05:16,130 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-20 13:05:16,131 INFO L264 CegarLoopResult]: At program point L544(line 544) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:16,131 INFO L268 CegarLoopResult]: For program point L544-1(line 544) no Hoare annotation was computed. [2020-07-20 13:05:16,131 INFO L268 CegarLoopResult]: For program point L542(lines 542 559) no Hoare annotation was computed. [2020-07-20 13:05:16,131 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 538 562) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:16,131 INFO L264 CegarLoopResult]: At program point L557(line 557) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:16,131 INFO L268 CegarLoopResult]: For program point L557-1(lines 538 562) no Hoare annotation was computed. [2020-07-20 13:05:16,132 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 538 562) no Hoare annotation was computed. [2020-07-20 13:05:16,132 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4))))) [2020-07-20 13:05:16,132 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:16,132 INFO L268 CegarLoopResult]: For program point L546(lines 546 554) no Hoare annotation was computed. [2020-07-20 13:05:16,132 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 697 711) no Hoare annotation was computed. [2020-07-20 13:05:16,133 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 13:05:16,133 INFO L268 CegarLoopResult]: For program point L701(lines 701 707) no Hoare annotation was computed. [2020-07-20 13:05:16,133 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 697 711) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 13:05:16,133 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 697 711) no Hoare annotation was computed. [2020-07-20 13:05:16,133 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2020-07-20 13:05:16,133 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2020-07-20 13:05:16,133 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2020-07-20 13:05:16,134 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-07-20 13:05:16,134 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-07-20 13:05:16,134 INFO L268 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-07-20 13:05:16,134 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2020-07-20 13:05:16,134 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2020-07-20 13:05:16,134 INFO L268 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-07-20 13:05:16,134 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-07-20 13:05:16,134 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2020-07-20 13:05:16,135 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2020-07-20 13:05:16,135 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 977 983) no Hoare annotation was computed. [2020-07-20 13:05:16,135 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 977 983) the Hoare annotation is: true [2020-07-20 13:05:16,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 13:05:16,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 13:05:16,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 13:05:16,135 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 13:05:16,135 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 13:05:16,136 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 13:05:16,136 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 13:05:16,136 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 13:05:16,136 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 13:05:16,136 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 879 889) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:16,136 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 879 889) no Hoare annotation was computed. [2020-07-20 13:05:16,136 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 879 889) no Hoare annotation was computed. [2020-07-20 13:05:16,137 INFO L264 CegarLoopResult]: At program point L884(line 884) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:16,137 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2020-07-20 13:05:16,137 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2020-07-20 13:05:16,137 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2020-07-20 13:05:16,137 INFO L271 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-07-20 13:05:16,137 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-20 13:05:16,137 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 13:05:16,138 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2020-07-20 13:05:16,138 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2020-07-20 13:05:16,138 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 801 814) no Hoare annotation was computed. [2020-07-20 13:05:16,138 INFO L268 CegarLoopResult]: For program point L805(lines 805 811) no Hoare annotation was computed. [2020-07-20 13:05:16,138 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 801 814) the Hoare annotation is: true [2020-07-20 13:05:16,138 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 801 814) no Hoare annotation was computed. [2020-07-20 13:05:16,138 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:16,138 INFO L268 CegarLoopResult]: For program point L572(lines 572 580) no Hoare annotation was computed. [2020-07-20 13:05:16,139 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:16,139 INFO L268 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-07-20 13:05:16,139 INFO L268 CegarLoopResult]: For program point L568(lines 568 585) no Hoare annotation was computed. [2020-07-20 13:05:16,139 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 564 588) no Hoare annotation was computed. [2020-07-20 13:05:16,139 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 564 588) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:16,139 INFO L264 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:16,140 INFO L268 CegarLoopResult]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2020-07-20 13:05:16,140 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:16,140 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 530 536) no Hoare annotation was computed. [2020-07-20 13:05:16,140 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 530 536) the Hoare annotation is: true [2020-07-20 13:05:16,140 INFO L264 CegarLoopResult]: At program point L481(lines 430 482) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:16,140 INFO L264 CegarLoopResult]: At program point testENTRY(lines 421 488) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:16,140 INFO L264 CegarLoopResult]: At program point L471(line 471) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:05:16,141 INFO L268 CegarLoopResult]: For program point testFINAL(lines 421 488) no Hoare annotation was computed. [2020-07-20 13:05:16,141 INFO L268 CegarLoopResult]: For program point L469(lines 469 475) no Hoare annotation was computed. [2020-07-20 13:05:16,141 INFO L264 CegarLoopResult]: At program point L469-1(lines 461 476) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:05:16,141 INFO L268 CegarLoopResult]: For program point L432(lines 431 480) no Hoare annotation was computed. [2020-07-20 13:05:16,141 INFO L264 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:05:16,141 INFO L268 CegarLoopResult]: For program point L461(lines 461 476) no Hoare annotation was computed. [2020-07-20 13:05:16,142 INFO L264 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:05:16,142 INFO L268 CegarLoopResult]: For program point L451(lines 451 457) no Hoare annotation was computed. [2020-07-20 13:05:16,142 INFO L268 CegarLoopResult]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2020-07-20 13:05:16,142 INFO L264 CegarLoopResult]: At program point L478(lines 431 480) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:16,142 INFO L264 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:16,142 INFO L268 CegarLoopResult]: For program point L441(lines 441 447) no Hoare annotation was computed. [2020-07-20 13:05:16,142 INFO L268 CegarLoopResult]: For program point L441-1(lines 441 447) no Hoare annotation was computed. [2020-07-20 13:05:16,143 INFO L268 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-07-20 13:05:16,143 INFO L268 CegarLoopResult]: For program point testEXIT(lines 421 488) no Hoare annotation was computed. [2020-07-20 13:05:16,143 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 13:05:16,143 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 13:05:16,143 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 13:05:16,143 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 13:05:16,143 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 13:05:16,143 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 13:05:16,143 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 589 596) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:05:16,144 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 589 596) no Hoare annotation was computed. [2020-07-20 13:05:16,144 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 589 596) no Hoare annotation was computed. [2020-07-20 13:05:16,144 INFO L268 CegarLoopResult]: For program point L777(lines 777 785) no Hoare annotation was computed. [2020-07-20 13:05:16,144 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 769 791) no Hoare annotation was computed. [2020-07-20 13:05:16,144 INFO L268 CegarLoopResult]: For program point L777-2(lines 777 785) no Hoare annotation was computed. [2020-07-20 13:05:16,144 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 769 791) no Hoare annotation was computed. [2020-07-20 13:05:16,144 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 769 791) no Hoare annotation was computed. [2020-07-20 13:05:16,144 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 13:05:16,144 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 13:05:16,144 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 13:05:16,145 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 13:05:16,145 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 13:05:16,145 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 13:05:16,145 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 13:05:16,145 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 13:05:16,145 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 13:05:16,145 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 13:05:16,145 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 13:05:16,145 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 13:05:16,146 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 13:05:16,146 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 13:05:16,146 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 13:05:16,146 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 13:05:16,146 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 967 976) no Hoare annotation was computed. [2020-07-20 13:05:16,146 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 967 976) no Hoare annotation was computed. [2020-07-20 13:05:16,146 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 967 976) no Hoare annotation was computed. [2020-07-20 13:05:16,146 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:16,146 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 13:05:16,147 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:16,147 INFO L264 CegarLoopResult]: At program point L608(line 608) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:05:16,147 INFO L268 CegarLoopResult]: For program point L608-1(lines 597 613) no Hoare annotation was computed. [2020-07-20 13:05:16,147 INFO L268 CegarLoopResult]: For program point L604(lines 604 610) no Hoare annotation was computed. [2020-07-20 13:05:16,147 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 597 613) no Hoare annotation was computed. [2020-07-20 13:05:16,147 INFO L264 CegarLoopResult]: At program point L602(line 602) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:05:16,147 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-07-20 13:05:16,147 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 597 613) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:05:16,148 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2020-07-20 13:05:16,148 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-07-20 13:05:16,148 INFO L271 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: true [2020-07-20 13:05:16,148 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-07-20 13:05:16,148 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-07-20 13:05:16,148 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2020-07-20 13:05:16,148 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2020-07-20 13:05:16,148 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 792 800) the Hoare annotation is: true [2020-07-20 13:05:16,148 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 792 800) no Hoare annotation was computed. [2020-07-20 13:05:16,149 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 792 800) no Hoare annotation was computed. [2020-07-20 13:05:16,149 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:16,149 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:05:16,149 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:16,149 INFO L268 CegarLoopResult]: For program point L752-1(lines 748 759) no Hoare annotation was computed. [2020-07-20 13:05:16,149 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 748 759) the Hoare annotation is: true [2020-07-20 13:05:16,149 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 748 759) no Hoare annotation was computed. [2020-07-20 13:05:16,149 INFO L264 CegarLoopResult]: At program point L512(line 512) the Hoare annotation is: (let ((.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3 .cse4) .cse5) (or (not (= 0 ~systemActive~0)) .cse6 .cse5) (or (and .cse2 (<= ~waterLevel~0 2) .cse4 .cse3) .cse0 .cse1 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse5))) [2020-07-20 13:05:16,150 INFO L268 CegarLoopResult]: For program point L510(lines 506 528) no Hoare annotation was computed. [2020-07-20 13:05:16,150 INFO L268 CegarLoopResult]: For program point L508(lines 506 528) no Hoare annotation was computed. [2020-07-20 13:05:16,150 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 503 529) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (and .cse8 .cse14 .cse2)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse7 .cse3 .cse4 (and .cse8 .cse1 .cse2)) (or .cse9 .cse10 .cse11 .cse5) (or .cse3 .cse12 .cse11 .cse13 .cse5) (or .cse3 (and .cse0 .cse14 .cse2) .cse11 .cse5) (or .cse12 .cse10 .cse11 .cse13 .cse5) (or .cse7 .cse3 .cse9 .cse11) (or .cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3 .cse4 .cse5)))) [2020-07-20 13:05:16,150 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 503 529) no Hoare annotation was computed. [2020-07-20 13:05:16,150 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or (not (= 0 ~systemActive~0)) .cse5 .cse6) (or .cse0 (and .cse3 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse5 .cse6) (or .cse0 .cse1 (and .cse2 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse4) .cse6 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 13:05:16,150 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 503 529) no Hoare annotation was computed. [2020-07-20 13:05:16,151 INFO L264 CegarLoopResult]: At program point L517(lines 517 523) the Hoare annotation is: (let ((.cse14 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse10 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (<= 2 |old(~waterLevel~0)|))) (.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse15 (and .cse14 .cse0 .cse1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (and (<= ~waterLevel~0 2) .cse0 .cse1) .cse2 .cse3 .cse4) (let ((.cse8 (<= 1 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 1))) (or .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10) .cse4 .cse11 (and .cse8 .cse0 .cse12 .cse9))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse13 .cse5 .cse6 (and .cse7 .cse14 .cse10) (and .cse14 .cse0 .cse12)) (or .cse13 .cse15 .cse2 .cse3) (let ((.cse16 (<= 2 ~waterLevel~0))) (or .cse5 (and .cse16 .cse14 .cse0) .cse3 (and .cse16 .cse14 .cse10) .cse4 .cse11)) (or .cse13 .cse5 .cse15 .cse3)))) [2020-07-20 13:05:16,151 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2020-07-20 13:05:16,151 INFO L268 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-07-20 13:05:16,151 INFO L271 CegarLoopResult]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2020-07-20 13:05:16,151 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2020-07-20 13:05:16,151 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-20 13:05:16,151 INFO L271 CegarLoopResult]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2020-07-20 13:05:16,151 INFO L271 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: true [2020-07-20 13:05:16,152 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-07-20 13:05:16,152 INFO L271 CegarLoopResult]: At program point L842(lines 817 846) the Hoare annotation is: true [2020-07-20 13:05:16,152 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-20 13:05:16,152 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 760 768) the Hoare annotation is: true [2020-07-20 13:05:16,152 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 760 768) no Hoare annotation was computed. [2020-07-20 13:05:16,152 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 760 768) no Hoare annotation was computed. [2020-07-20 13:05:16,152 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 724 735) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 13:05:16,152 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 724 735) no Hoare annotation was computed. [2020-07-20 13:05:16,152 INFO L268 CegarLoopResult]: For program point L728-1(lines 724 735) no Hoare annotation was computed. [2020-07-20 13:05:16,153 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 871 877) no Hoare annotation was computed. [2020-07-20 13:05:16,153 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 871 877) the Hoare annotation is: true [2020-07-20 13:05:16,153 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:16,153 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:05:16,153 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:05:16,153 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:16,153 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 712 719) no Hoare annotation was computed. [2020-07-20 13:05:16,153 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 712 719) the Hoare annotation is: true [2020-07-20 13:05:16,153 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 712 719) no Hoare annotation was computed. [2020-07-20 13:05:16,153 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 736 747) no Hoare annotation was computed. [2020-07-20 13:05:16,154 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 736 747) the Hoare annotation is: (let ((.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (and (<= ~waterLevel~0 2) .cse7))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2) (or .cse3 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5 .cse2) (or .cse4 .cse0 .cse1 .cse6) (or .cse4 .cse0 .cse5 (not (<= 2 |old(~waterLevel~0)|)) .cse6)))) [2020-07-20 13:05:16,154 INFO L268 CegarLoopResult]: For program point L740-1(lines 736 747) no Hoare annotation was computed. [2020-07-20 13:05:16,154 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-07-20 13:05:16,154 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-20 13:05:16,154 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-07-20 13:05:16,154 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-07-20 13:05:16,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:05:16 BoogieIcfgContainer [2020-07-20 13:05:16,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:05:16,175 INFO L168 Benchmark]: Toolchain (without parser) took 24391.77 ms. Allocated memory was 145.8 MB in the beginning and 457.7 MB in the end (delta: 312.0 MB). Free memory was 102.7 MB in the beginning and 138.4 MB in the end (delta: -35.7 MB). Peak memory consumption was 300.5 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:16,176 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:05:16,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.73 ms. Allocated memory was 145.8 MB in the beginning and 206.6 MB in the end (delta: 60.8 MB). Free memory was 102.3 MB in the beginning and 173.8 MB in the end (delta: -71.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:16,177 INFO L168 Benchmark]: Boogie Preprocessor took 105.92 ms. Allocated memory is still 206.6 MB. Free memory was 173.8 MB in the beginning and 169.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:16,178 INFO L168 Benchmark]: RCFGBuilder took 1177.63 ms. Allocated memory was 206.6 MB in the beginning and 234.4 MB in the end (delta: 27.8 MB). Free memory was 169.1 MB in the beginning and 190.0 MB in the end (delta: -20.9 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:16,179 INFO L168 Benchmark]: TraceAbstraction took 22375.84 ms. Allocated memory was 234.4 MB in the beginning and 457.7 MB in the end (delta: 223.3 MB). Free memory was 190.0 MB in the beginning and 138.4 MB in the end (delta: 51.6 MB). Peak memory consumption was 299.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:16,183 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 725.73 ms. Allocated memory was 145.8 MB in the beginning and 206.6 MB in the end (delta: 60.8 MB). Free memory was 102.3 MB in the beginning and 173.8 MB in the end (delta: -71.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.92 ms. Allocated memory is still 206.6 MB. Free memory was 173.8 MB in the beginning and 169.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1177.63 ms. Allocated memory was 206.6 MB in the beginning and 234.4 MB in the end (delta: 27.8 MB). Free memory was 169.1 MB in the beginning and 190.0 MB in the end (delta: -20.9 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22375.84 ms. Allocated memory was 234.4 MB in the beginning and 457.7 MB in the end (delta: 223.3 MB). Free memory was 190.0 MB in the beginning and 138.4 MB in the end (delta: 51.6 MB). Peak memory consumption was 299.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.8s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2314 SDtfs, 1540 SDslu, 3822 SDs, 0 SdLazy, 2711 SolverSat, 669 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1350 GetRequests, 1283 SyntacticMatches, 7 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1612occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 844 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 4178 PreInvPairs, 4367 NumberOfFragments, 2227 HoareAnnotationTreeSize, 4178 FomulaSimplifications, 10254 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 69 FomulaSimplificationsInter, 17954 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1163 NumberOfCodeBlocks, 932 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1323 ConstructedInterpolants, 0 QuantifiedInterpolants, 313995 SizeOfPredicates, 30 NumberOfNonLiveVariables, 8529 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 208/230 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...