/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_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:04:57,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:04:57,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:04:57,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:04:57,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:04:57,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:04:57,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:04:57,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:04:57,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:04:57,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:04:57,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:04:57,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:04:57,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:04:57,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:04:57,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:04:57,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:04:57,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:04:57,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:04:57,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:04:57,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:04:57,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:04:57,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:04:57,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:04:57,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:04:57,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:04:57,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:04:57,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:04:57,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:04:57,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:04:57,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:04:57,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:04:57,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:04:57,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:04:57,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:04:57,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:04:57,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:04:57,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:04:57,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:04:57,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:04:57,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:04:57,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:04:57,685 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 13:04:57,700 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:04:57,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:04:57,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:04:57,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:04:57,701 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:04:57,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:04:57,702 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:04:57,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:04:57,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:04:57,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:04:57,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:04:57,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:04:57,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:04:57,703 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:04:57,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:04:57,704 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:04:57,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:04:57,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:04:57,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:04:57,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:04:57,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:04:57,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:04:57,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:04:57,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:04:57,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:04:57,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:04:57,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:57,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:04:57,706 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:04:57,706 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 13:04:58,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:04:58,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:04:58,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:04:58,067 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:04:58,069 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:04:58,070 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-07-20 13:04:58,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee167323/fcc4abe1caaf4dc98a42ddef6a208062/FLAGa7d08dfd4 [2020-07-20 13:04:58,745 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:04:58,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-07-20 13:04:58,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee167323/fcc4abe1caaf4dc98a42ddef6a208062/FLAGa7d08dfd4 [2020-07-20 13:04:58,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee167323/fcc4abe1caaf4dc98a42ddef6a208062 [2020-07-20 13:04:59,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:04:59,009 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:04:59,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:04:59,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:04:59,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:04:59,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:58" (1/1) ... [2020-07-20 13:04:59,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac4901b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59, skipping insertion in model container [2020-07-20 13:04:59,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:58" (1/1) ... [2020-07-20 13:04:59,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:04:59,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:04:59,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:04:59,529 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:04:59,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:04:59,660 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:04:59,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59 WrapperNode [2020-07-20 13:04:59,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:04:59,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:04:59,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:04:59,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:04:59,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ... [2020-07-20 13:04:59,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ... [2020-07-20 13:04:59,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ... [2020-07-20 13:04:59,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ... [2020-07-20 13:04:59,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ... [2020-07-20 13:04:59,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ... [2020-07-20 13:04:59,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ... [2020-07-20 13:04:59,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:04:59,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:04:59,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:04:59,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:04:59,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (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 13:04:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:04:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:04:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:04:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:04:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:04:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:04:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:04:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:04:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:04:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:04:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:04:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:04:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:04:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:04:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:04:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:04:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:04:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:04:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:04:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:04:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:04:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:04:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:04:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 13:04:59,819 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:04:59,819 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:04:59,819 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:04:59,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:04:59,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:04:59,819 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:04:59,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:04:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:04:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:04:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:04:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:04:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:04:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:04:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:04:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:04:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:04:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:04:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:04:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:04:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:04:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:04:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:04:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:04:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:04:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:04:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:04:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:04:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:04:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:04:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:04:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:04:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:04:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:04:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:04:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:04:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:04:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:04:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:04:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:04:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:04:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:04:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:04:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:04:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:04:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:04:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:04:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:04:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:04:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:04:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:04:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:04:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:04:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:04:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:04:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:04:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:04:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 13:04:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:04:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:04:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:04:59,835 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:04:59,835 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:04:59,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:04:59,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:04:59,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:04:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:04:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:04:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:04:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:04:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:04:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:04:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:04:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:04:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:04:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:04:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:04:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:04:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:05:01,011 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:05:01,012 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:05:01,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:01 BoogieIcfgContainer [2020-07-20 13:05:01,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:05:01,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:05:01,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:05:01,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:05:01,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:58" (1/3) ... [2020-07-20 13:05:01,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53791e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:01, skipping insertion in model container [2020-07-20 13:05:01,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (2/3) ... [2020-07-20 13:05:01,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53791e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:01, skipping insertion in model container [2020-07-20 13:05:01,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:01" (3/3) ... [2020-07-20 13:05:01,027 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-07-20 13:05:01,038 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:05:01,047 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:05:01,062 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:05:01,089 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:05:01,089 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:05:01,089 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:05:01,089 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:05:01,089 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:05:01,090 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:05:01,090 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:05:01,090 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:05:01,115 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states. [2020-07-20 13:05:01,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 13:05:01,126 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:01,127 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 13:05:01,127 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:01,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:01,134 INFO L82 PathProgramCache]: Analyzing trace with hash -404445524, now seen corresponding path program 1 times [2020-07-20 13:05:01,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:01,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555134579] [2020-07-20 13:05:01,144 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 13:05:01,563 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:01,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:01,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:05:01,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:01,616 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 13:05:01,617 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:01,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555134579] [2020-07-20 13:05:01,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:01,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:05:01,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820713219] [2020-07-20 13:05:01,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:05:01,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:01,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:05:01,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:05:01,648 INFO L87 Difference]: Start difference. First operand 203 states. Second operand 2 states. [2020-07-20 13:05:01,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:01,706 INFO L93 Difference]: Finished difference Result 316 states and 389 transitions. [2020-07-20 13:05:01,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:05:01,708 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 13:05:01,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:01,722 INFO L225 Difference]: With dead ends: 316 [2020-07-20 13:05:01,722 INFO L226 Difference]: Without dead ends: 160 [2020-07-20 13:05:01,728 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 13:05:01,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-20 13:05:01,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-07-20 13:05:01,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-20 13:05:01,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 188 transitions. [2020-07-20 13:05:01,790 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 188 transitions. Word has length 59 [2020-07-20 13:05:01,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:01,791 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 188 transitions. [2020-07-20 13:05:01,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:05:01,791 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 188 transitions. [2020-07-20 13:05:01,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 13:05:01,795 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:01,796 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 13:05:02,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:02,011 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:02,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:02,012 INFO L82 PathProgramCache]: Analyzing trace with hash -315023676, now seen corresponding path program 1 times [2020-07-20 13:05:02,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:02,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690600642] [2020-07-20 13:05:02,013 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 13:05:02,353 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:02,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:02,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:05:02,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:02,399 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 13:05:02,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:02,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690600642] [2020-07-20 13:05:02,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:02,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:02,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655572348] [2020-07-20 13:05:02,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:02,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:02,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:02,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:02,404 INFO L87 Difference]: Start difference. First operand 160 states and 188 transitions. Second operand 3 states. [2020-07-20 13:05:02,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:02,431 INFO L93 Difference]: Finished difference Result 261 states and 307 transitions. [2020-07-20 13:05:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:02,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 13:05:02,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:02,435 INFO L225 Difference]: With dead ends: 261 [2020-07-20 13:05:02,435 INFO L226 Difference]: Without dead ends: 151 [2020-07-20 13:05:02,437 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 13:05:02,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-20 13:05:02,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2020-07-20 13:05:02,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-07-20 13:05:02,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 176 transitions. [2020-07-20 13:05:02,454 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 176 transitions. Word has length 60 [2020-07-20 13:05:02,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:02,455 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 176 transitions. [2020-07-20 13:05:02,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:02,455 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 176 transitions. [2020-07-20 13:05:02,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 13:05:02,458 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:02,458 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 13:05:02,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:02,673 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:02,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:02,674 INFO L82 PathProgramCache]: Analyzing trace with hash 649722396, now seen corresponding path program 1 times [2020-07-20 13:05:02,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:02,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393305169] [2020-07-20 13:05:02,675 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 13:05:03,141 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:03,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:03,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:05:03,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:03,195 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 13:05:03,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:03,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393305169] [2020-07-20 13:05:03,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:03,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:03,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877633763] [2020-07-20 13:05:03,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:03,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:03,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:03,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:03,200 INFO L87 Difference]: Start difference. First operand 151 states and 176 transitions. Second operand 3 states. [2020-07-20 13:05:03,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:03,233 INFO L93 Difference]: Finished difference Result 274 states and 325 transitions. [2020-07-20 13:05:03,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:03,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 13:05:03,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:03,239 INFO L225 Difference]: With dead ends: 274 [2020-07-20 13:05:03,239 INFO L226 Difference]: Without dead ends: 151 [2020-07-20 13:05:03,245 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 13:05:03,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-20 13:05:03,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2020-07-20 13:05:03,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-07-20 13:05:03,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2020-07-20 13:05:03,268 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 65 [2020-07-20 13:05:03,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:03,273 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2020-07-20 13:05:03,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:03,273 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2020-07-20 13:05:03,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 13:05:03,279 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:03,280 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] [2020-07-20 13:05:03,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:03,495 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:03,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:03,495 INFO L82 PathProgramCache]: Analyzing trace with hash 2071838844, now seen corresponding path program 1 times [2020-07-20 13:05:03,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:03,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129776252] [2020-07-20 13:05:03,496 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 13:05:03,896 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:03,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:03,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:05:03,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:03,948 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 13:05:03,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:03,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129776252] [2020-07-20 13:05:03,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:03,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:05:03,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603010576] [2020-07-20 13:05:03,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:05:03,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:03,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:05:03,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:05:03,951 INFO L87 Difference]: Start difference. First operand 151 states and 175 transitions. Second operand 6 states. [2020-07-20 13:05:04,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:04,683 INFO L93 Difference]: Finished difference Result 369 states and 447 transitions. [2020-07-20 13:05:04,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:05:04,683 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-07-20 13:05:04,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:04,686 INFO L225 Difference]: With dead ends: 369 [2020-07-20 13:05:04,686 INFO L226 Difference]: Without dead ends: 246 [2020-07-20 13:05:04,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:05:04,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-07-20 13:05:04,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 230. [2020-07-20 13:05:04,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-07-20 13:05:04,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 259 transitions. [2020-07-20 13:05:04,713 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 259 transitions. Word has length 83 [2020-07-20 13:05:04,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:04,714 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 259 transitions. [2020-07-20 13:05:04,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:04,714 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 259 transitions. [2020-07-20 13:05:04,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-20 13:05:04,716 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:04,716 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:04,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:04,932 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:04,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:04,933 INFO L82 PathProgramCache]: Analyzing trace with hash 477615551, now seen corresponding path program 1 times [2020-07-20 13:05:04,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:04,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1624986495] [2020-07-20 13:05:04,934 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 13:05:05,290 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:05,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:05,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:05:05,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:05,357 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 13:05:05,358 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:05,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1624986495] [2020-07-20 13:05:05,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:05,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:05:05,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150354659] [2020-07-20 13:05:05,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:05:05,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:05,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:05:05,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:05:05,360 INFO L87 Difference]: Start difference. First operand 230 states and 259 transitions. Second operand 6 states. [2020-07-20 13:05:05,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:05,617 INFO L93 Difference]: Finished difference Result 435 states and 498 transitions. [2020-07-20 13:05:05,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:05:05,618 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2020-07-20 13:05:05,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:05,621 INFO L225 Difference]: With dead ends: 435 [2020-07-20 13:05:05,622 INFO L226 Difference]: Without dead ends: 233 [2020-07-20 13:05:05,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 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 13:05:05,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-07-20 13:05:05,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 229. [2020-07-20 13:05:05,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-20 13:05:05,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 256 transitions. [2020-07-20 13:05:05,646 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 256 transitions. Word has length 97 [2020-07-20 13:05:05,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:05,646 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 256 transitions. [2020-07-20 13:05:05,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:05,647 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 256 transitions. [2020-07-20 13:05:05,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 13:05:05,648 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:05,648 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] [2020-07-20 13:05:05,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:05,863 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:05,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:05,864 INFO L82 PathProgramCache]: Analyzing trace with hash 115684108, now seen corresponding path program 1 times [2020-07-20 13:05:05,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:05,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [563577285] [2020-07-20 13:05:05,865 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 13:05:06,238 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:06,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:06,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:05:06,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:06,288 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 13:05:06,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:06,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [563577285] [2020-07-20 13:05:06,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:06,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:05:06,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113594250] [2020-07-20 13:05:06,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:05:06,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:06,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:05:06,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:05:06,291 INFO L87 Difference]: Start difference. First operand 229 states and 256 transitions. Second operand 6 states. [2020-07-20 13:05:06,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:06,352 INFO L93 Difference]: Finished difference Result 435 states and 494 transitions. [2020-07-20 13:05:06,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:05:06,356 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2020-07-20 13:05:06,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:06,361 INFO L225 Difference]: With dead ends: 435 [2020-07-20 13:05:06,362 INFO L226 Difference]: Without dead ends: 234 [2020-07-20 13:05:06,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 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 13:05:06,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-07-20 13:05:06,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2020-07-20 13:05:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-07-20 13:05:06,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 261 transitions. [2020-07-20 13:05:06,421 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 261 transitions. Word has length 98 [2020-07-20 13:05:06,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:06,422 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 261 transitions. [2020-07-20 13:05:06,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:06,422 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 261 transitions. [2020-07-20 13:05:06,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 13:05:06,425 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:06,425 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] [2020-07-20 13:05:06,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:06,637 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:06,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:06,638 INFO L82 PathProgramCache]: Analyzing trace with hash 43297550, now seen corresponding path program 1 times [2020-07-20 13:05:06,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:06,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1866271172] [2020-07-20 13:05:06,639 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 13:05:06,953 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:06,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:06,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:05:06,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:06,994 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 13:05:06,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:06,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1866271172] [2020-07-20 13:05:06,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:06,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:05:06,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875879947] [2020-07-20 13:05:06,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:05:06,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:06,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:05:06,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:05:06,996 INFO L87 Difference]: Start difference. First operand 234 states and 261 transitions. Second operand 5 states. [2020-07-20 13:05:07,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:07,027 INFO L93 Difference]: Finished difference Result 447 states and 511 transitions. [2020-07-20 13:05:07,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:05:07,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-07-20 13:05:07,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:07,032 INFO L225 Difference]: With dead ends: 447 [2020-07-20 13:05:07,032 INFO L226 Difference]: Without dead ends: 241 [2020-07-20 13:05:07,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 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 13:05:07,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-07-20 13:05:07,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 238. [2020-07-20 13:05:07,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-07-20 13:05:07,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 265 transitions. [2020-07-20 13:05:07,061 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 265 transitions. Word has length 98 [2020-07-20 13:05:07,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:07,061 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 265 transitions. [2020-07-20 13:05:07,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:05:07,061 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 265 transitions. [2020-07-20 13:05:07,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 13:05:07,063 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:07,063 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] [2020-07-20 13:05:07,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:07,278 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:07,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:07,278 INFO L82 PathProgramCache]: Analyzing trace with hash 373063311, now seen corresponding path program 1 times [2020-07-20 13:05:07,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:07,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1141802018] [2020-07-20 13:05:07,279 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 13:05:07,572 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:07,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:07,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:05:07,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:07,621 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 13:05:07,621 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:07,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1141802018] [2020-07-20 13:05:07,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:07,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:07,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796762516] [2020-07-20 13:05:07,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:07,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:07,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:07,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:07,625 INFO L87 Difference]: Start difference. First operand 238 states and 265 transitions. Second operand 3 states. [2020-07-20 13:05:07,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:07,669 INFO L93 Difference]: Finished difference Result 628 states and 730 transitions. [2020-07-20 13:05:07,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:07,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-07-20 13:05:07,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:07,676 INFO L225 Difference]: With dead ends: 628 [2020-07-20 13:05:07,676 INFO L226 Difference]: Without dead ends: 418 [2020-07-20 13:05:07,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 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 13:05:07,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-07-20 13:05:07,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 415. [2020-07-20 13:05:07,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-07-20 13:05:07,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 475 transitions. [2020-07-20 13:05:07,708 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 475 transitions. Word has length 98 [2020-07-20 13:05:07,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:07,708 INFO L479 AbstractCegarLoop]: Abstraction has 415 states and 475 transitions. [2020-07-20 13:05:07,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 475 transitions. [2020-07-20 13:05:07,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-20 13:05:07,711 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:07,711 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] [2020-07-20 13:05:07,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:07,922 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:07,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:07,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1661296137, now seen corresponding path program 1 times [2020-07-20 13:05:07,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:07,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [295113120] [2020-07-20 13:05:07,924 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 13:05:08,390 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:08,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:08,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 13:05:08,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:08,516 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 13:05:08,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:08,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [295113120] [2020-07-20 13:05:08,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:08,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 13:05:08,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299756528] [2020-07-20 13:05:08,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:05:08,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:08,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:05:08,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:05:08,518 INFO L87 Difference]: Start difference. First operand 415 states and 475 transitions. Second operand 10 states. [2020-07-20 13:05:10,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:10,089 INFO L93 Difference]: Finished difference Result 1116 states and 1441 transitions. [2020-07-20 13:05:10,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 13:05:10,090 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 102 [2020-07-20 13:05:10,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:10,099 INFO L225 Difference]: With dead ends: 1116 [2020-07-20 13:05:10,099 INFO L226 Difference]: Without dead ends: 729 [2020-07-20 13:05:10,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-20 13:05:10,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2020-07-20 13:05:10,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 552. [2020-07-20 13:05:10,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-07-20 13:05:10,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 643 transitions. [2020-07-20 13:05:10,177 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 643 transitions. Word has length 102 [2020-07-20 13:05:10,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:10,178 INFO L479 AbstractCegarLoop]: Abstraction has 552 states and 643 transitions. [2020-07-20 13:05:10,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:05:10,178 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 643 transitions. [2020-07-20 13:05:10,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-20 13:05:10,185 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:10,185 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:05:10,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:10,400 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:10,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:10,401 INFO L82 PathProgramCache]: Analyzing trace with hash -577396182, now seen corresponding path program 1 times [2020-07-20 13:05:10,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:10,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431832967] [2020-07-20 13:05:10,402 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 13:05:10,838 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:10,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:10,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:05:10,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:10,942 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:10,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:05:11,426 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 13:05:11,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431832967] [2020-07-20 13:05:11,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:05:11,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 13:05:11,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853647572] [2020-07-20 13:05:11,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:05:11,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:11,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:05:11,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:05:11,429 INFO L87 Difference]: Start difference. First operand 552 states and 643 transitions. Second operand 10 states. [2020-07-20 13:05:12,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:12,383 INFO L93 Difference]: Finished difference Result 660 states and 782 transitions. [2020-07-20 13:05:12,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 13:05:12,384 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 180 [2020-07-20 13:05:12,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:12,385 INFO L225 Difference]: With dead ends: 660 [2020-07-20 13:05:12,385 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:05:12,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 347 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 13:05:12,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:05:12,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:05:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:05:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:05:12,388 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2020-07-20 13:05:12,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:12,388 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:05:12,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:05:12,389 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:05:12,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:05:12,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:12,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:05:13,770 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-20 13:05:14,276 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-20 13:05:14,471 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2020-07-20 13:05:14,869 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-07-20 13:05:15,182 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-20 13:05:15,376 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-20 13:05:15,566 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-20 13:05:16,184 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2020-07-20 13:05:16,446 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2020-07-20 13:05:16,583 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2020-07-20 13:05:16,913 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 39 [2020-07-20 13:05:17,495 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-20 13:05:17,587 INFO L268 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-07-20 13:05:17,587 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 740) no Hoare annotation was computed. [2020-07-20 13:05:17,587 INFO L268 CegarLoopResult]: For program point L731(line 731) no Hoare annotation was computed. [2020-07-20 13:05:17,587 INFO L268 CegarLoopResult]: For program point L730-2(lines 730 751) no Hoare annotation was computed. [2020-07-20 13:05:17,587 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 705 760) no Hoare annotation was computed. [2020-07-20 13:05:17,587 INFO L268 CegarLoopResult]: For program point L752(lines 729 753) no Hoare annotation was computed. [2020-07-20 13:05:17,588 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 705 760) no Hoare annotation was computed. [2020-07-20 13:05:17,588 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 705 760) no Hoare annotation was computed. [2020-07-20 13:05:17,588 INFO L268 CegarLoopResult]: For program point L793(lines 793 797) no Hoare annotation was computed. [2020-07-20 13:05:17,588 INFO L268 CegarLoopResult]: For program point L793-1(lines 793 797) no Hoare annotation was computed. [2020-07-20 13:05:17,588 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 761 820) no Hoare annotation was computed. [2020-07-20 13:05:17,589 INFO L268 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-07-20 13:05:17,589 INFO L268 CegarLoopResult]: For program point L787-2(lines 787 812) no Hoare annotation was computed. [2020-07-20 13:05:17,589 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 761 820) no Hoare annotation was computed. [2020-07-20 13:05:17,589 INFO L268 CegarLoopResult]: For program point L813(lines 786 814) no Hoare annotation was computed. [2020-07-20 13:05:17,589 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 761 820) no Hoare annotation was computed. [2020-07-20 13:05:17,589 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-20 13:05:17,589 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-07-20 13:05:17,590 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 636 642) the Hoare annotation is: true [2020-07-20 13:05:17,590 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 636 642) no Hoare annotation was computed. [2020-07-20 13:05:17,590 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 643 651) no Hoare annotation was computed. [2020-07-20 13:05:17,590 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 643 651) the Hoare annotation is: true [2020-07-20 13:05:17,590 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 643 651) no Hoare annotation was computed. [2020-07-20 13:05:17,590 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2020-07-20 13:05:17,590 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-20 13:05:17,590 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-20 13:05:17,591 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 13:05:17,591 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-20 13:05:17,591 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-20 13:05:17,591 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-20 13:05:17,591 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-20 13:05:17,591 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-20 13:05:17,592 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-20 13:05:17,592 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-20 13:05:17,592 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-20 13:05:17,592 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 13:05:17,592 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-20 13:05:17,592 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-20 13:05:17,592 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-20 13:05:17,593 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-20 13:05:17,593 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-20 13:05:17,593 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 290 312) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,593 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 290 312) no Hoare annotation was computed. [2020-07-20 13:05:17,593 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,593 INFO L264 CegarLoopResult]: At program point L302-1(line 302) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,593 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 290 312) no Hoare annotation was computed. [2020-07-20 13:05:17,594 INFO L268 CegarLoopResult]: For program point L300(lines 300 307) no Hoare annotation was computed. [2020-07-20 13:05:17,594 INFO L268 CegarLoopResult]: For program point L300-1(lines 300 307) no Hoare annotation was computed. [2020-07-20 13:05:17,594 INFO L268 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed. [2020-07-20 13:05:17,594 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,594 INFO L264 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,594 INFO L264 CegarLoopResult]: At program point L296-1(line 296) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,594 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-07-20 13:05:17,594 INFO L268 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed. [2020-07-20 13:05:17,594 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 244 267) no Hoare annotation was computed. [2020-07-20 13:05:17,594 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-07-20 13:05:17,595 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-07-20 13:05:17,595 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-20 13:05:17,595 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 244 267) no Hoare annotation was computed. [2020-07-20 13:05:17,595 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-07-20 13:05:17,595 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 244 267) no Hoare annotation was computed. [2020-07-20 13:05:17,595 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-07-20 13:05:17,595 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-07-20 13:05:17,595 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-07-20 13:05:17,596 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-07-20 13:05:17,596 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-07-20 13:05:17,596 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-07-20 13:05:17,596 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-07-20 13:05:17,596 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-07-20 13:05:17,596 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 459 467) no Hoare annotation was computed. [2020-07-20 13:05:17,596 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 459 467) the Hoare annotation is: true [2020-07-20 13:05:17,596 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 459 467) no Hoare annotation was computed. [2020-07-20 13:05:17,597 INFO L268 CegarLoopResult]: For program point L530-1(line 530) no Hoare annotation was computed. [2020-07-20 13:05:17,597 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2020-07-20 13:05:17,597 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2020-07-20 13:05:17,597 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-07-20 13:05:17,597 INFO L271 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: true [2020-07-20 13:05:17,597 INFO L268 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2020-07-20 13:05:17,597 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2020-07-20 13:05:17,597 INFO L268 CegarLoopResult]: For program point L475(lines 475 483) no Hoare annotation was computed. [2020-07-20 13:05:17,598 INFO L268 CegarLoopResult]: For program point L475-2(lines 475 483) no Hoare annotation was computed. [2020-07-20 13:05:17,598 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-20 13:05:17,598 INFO L268 CegarLoopResult]: For program point L498-1(line 498) no Hoare annotation was computed. [2020-07-20 13:05:17,598 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 468 503) no Hoare annotation was computed. [2020-07-20 13:05:17,598 INFO L268 CegarLoopResult]: For program point L487(lines 487 495) no Hoare annotation was computed. [2020-07-20 13:05:17,598 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 468 503) no Hoare annotation was computed. [2020-07-20 13:05:17,598 INFO L268 CegarLoopResult]: For program point L487-2(lines 487 495) no Hoare annotation was computed. [2020-07-20 13:05:17,598 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 468 503) no Hoare annotation was computed. [2020-07-20 13:05:17,598 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 629 635) no Hoare annotation was computed. [2020-07-20 13:05:17,598 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 629 635) the Hoare annotation is: true [2020-07-20 13:05:17,599 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 659 704) no Hoare annotation was computed. [2020-07-20 13:05:17,599 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 659 704) no Hoare annotation was computed. [2020-07-20 13:05:17,599 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 659 704) no Hoare annotation was computed. [2020-07-20 13:05:17,599 INFO L268 CegarLoopResult]: For program point L992(lines 992 999) no Hoare annotation was computed. [2020-07-20 13:05:17,599 INFO L268 CegarLoopResult]: For program point L986(lines 986 1006) no Hoare annotation was computed. [2020-07-20 13:05:17,599 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 972 1017) no Hoare annotation was computed. [2020-07-20 13:05:17,599 INFO L268 CegarLoopResult]: For program point L986-1(lines 986 1006) no Hoare annotation was computed. [2020-07-20 13:05:17,599 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 972 1017) no Hoare annotation was computed. [2020-07-20 13:05:17,599 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 972 1017) no Hoare annotation was computed. [2020-07-20 13:05:17,600 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 276 286) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,600 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 276 286) no Hoare annotation was computed. [2020-07-20 13:05:17,600 INFO L264 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,600 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 276 286) no Hoare annotation was computed. [2020-07-20 13:05:17,600 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 448 458) the Hoare annotation is: true [2020-07-20 13:05:17,600 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 448 458) no Hoare annotation was computed. [2020-07-20 13:05:17,600 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 448 458) no Hoare annotation was computed. [2020-07-20 13:05:17,601 INFO L271 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: true [2020-07-20 13:05:17,601 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-07-20 13:05:17,601 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 440 447) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-20 13:05:17,601 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 440 447) no Hoare annotation was computed. [2020-07-20 13:05:17,601 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 440 447) no Hoare annotation was computed. [2020-07-20 13:05:17,601 INFO L268 CegarLoopResult]: For program point L182(lines 182 188) no Hoare annotation was computed. [2020-07-20 13:05:17,601 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 178 191) no Hoare annotation was computed. [2020-07-20 13:05:17,601 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 178 191) the Hoare annotation is: true [2020-07-20 13:05:17,602 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 178 191) no Hoare annotation was computed. [2020-07-20 13:05:17,602 INFO L264 CegarLoopResult]: At program point L417(line 417) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-20 13:05:17,602 INFO L268 CegarLoopResult]: For program point L415(lines 415 423) no Hoare annotation was computed. [2020-07-20 13:05:17,602 INFO L264 CegarLoopResult]: At program point L413(line 413) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-20 13:05:17,602 INFO L268 CegarLoopResult]: For program point L413-1(line 413) no Hoare annotation was computed. [2020-07-20 13:05:17,602 INFO L268 CegarLoopResult]: For program point L411(lines 411 428) no Hoare annotation was computed. [2020-07-20 13:05:17,603 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 407 431) no Hoare annotation was computed. [2020-07-20 13:05:17,603 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 407 431) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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 13:05:17,603 INFO L264 CegarLoopResult]: At program point L426(line 426) 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 13:05:17,603 INFO L268 CegarLoopResult]: For program point L426-1(lines 407 431) no Hoare annotation was computed. [2020-07-20 13:05:17,603 INFO L264 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-20 13:05:17,603 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 347 353) no Hoare annotation was computed. [2020-07-20 13:05:17,604 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 347 353) the Hoare annotation is: true [2020-07-20 13:05:17,604 INFO L264 CegarLoopResult]: At program point L609(lines 560 610) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,604 INFO L264 CegarLoopResult]: At program point testENTRY(lines 551 616) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,604 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-07-20 13:05:17,604 INFO L268 CegarLoopResult]: For program point testFINAL(lines 551 616) no Hoare annotation was computed. [2020-07-20 13:05:17,604 INFO L264 CegarLoopResult]: At program point L599-2(lines 591 604) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:05:17,605 INFO L268 CegarLoopResult]: For program point L562(lines 561 608) no Hoare annotation was computed. [2020-07-20 13:05:17,605 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:05:17,605 INFO L268 CegarLoopResult]: For program point L591(lines 591 604) no Hoare annotation was computed. [2020-07-20 13:05:17,605 INFO L264 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:05:17,605 INFO L268 CegarLoopResult]: For program point L581(lines 581 587) no Hoare annotation was computed. [2020-07-20 13:05:17,605 INFO L268 CegarLoopResult]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2020-07-20 13:05:17,606 INFO L264 CegarLoopResult]: At program point L606(lines 561 608) the Hoare annotation is: (let ((.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)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:17,606 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (let ((.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)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:17,606 INFO L268 CegarLoopResult]: For program point L571(lines 571 577) no Hoare annotation was computed. [2020-07-20 13:05:17,606 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 577) no Hoare annotation was computed. [2020-07-20 13:05:17,606 INFO L268 CegarLoopResult]: For program point L563(lines 563 567) no Hoare annotation was computed. [2020-07-20 13:05:17,606 INFO L268 CegarLoopResult]: For program point testEXIT(lines 551 616) no Hoare annotation was computed. [2020-07-20 13:05:17,606 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 926 971) no Hoare annotation was computed. [2020-07-20 13:05:17,607 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 926 971) no Hoare annotation was computed. [2020-07-20 13:05:17,607 INFO L268 CegarLoopResult]: For program point L946(lines 946 953) no Hoare annotation was computed. [2020-07-20 13:05:17,607 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 926 971) no Hoare annotation was computed. [2020-07-20 13:05:17,607 INFO L268 CegarLoopResult]: For program point L940(lines 940 960) no Hoare annotation was computed. [2020-07-20 13:05:17,607 INFO L268 CegarLoopResult]: For program point L940-1(lines 940 960) no Hoare annotation was computed. [2020-07-20 13:05:17,607 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 192 200) no Hoare annotation was computed. [2020-07-20 13:05:17,607 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 192 200) the Hoare annotation is: true [2020-07-20 13:05:17,607 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 192 200) no Hoare annotation was computed. [2020-07-20 13:05:17,608 INFO L268 CegarLoopResult]: For program point L154(lines 154 162) no Hoare annotation was computed. [2020-07-20 13:05:17,608 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 146 168) no Hoare annotation was computed. [2020-07-20 13:05:17,608 INFO L268 CegarLoopResult]: For program point L154-2(lines 154 162) no Hoare annotation was computed. [2020-07-20 13:05:17,608 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 146 168) no Hoare annotation was computed. [2020-07-20 13:05:17,608 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 146 168) no Hoare annotation was computed. [2020-07-20 13:05:17,608 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 619 628) no Hoare annotation was computed. [2020-07-20 13:05:17,608 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 619 628) no Hoare annotation was computed. [2020-07-20 13:05:17,608 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 619 628) no Hoare annotation was computed. [2020-07-20 13:05:17,609 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 823 925) no Hoare annotation was computed. [2020-07-20 13:05:17,609 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-07-20 13:05:17,609 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-20 13:05:17,609 INFO L268 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2020-07-20 13:05:17,609 INFO L268 CegarLoopResult]: For program point L911(lines 911 922) no Hoare annotation was computed. [2020-07-20 13:05:17,609 INFO L268 CegarLoopResult]: For program point L874(lines 874 878) no Hoare annotation was computed. [2020-07-20 13:05:17,609 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 892) no Hoare annotation was computed. [2020-07-20 13:05:17,609 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 823 925) no Hoare annotation was computed. [2020-07-20 13:05:17,610 INFO L268 CegarLoopResult]: For program point L893(lines 871 894) no Hoare annotation was computed. [2020-07-20 13:05:17,610 INFO L268 CegarLoopResult]: For program point L852(lines 852 868) no Hoare annotation was computed. [2020-07-20 13:05:17,610 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 823 925) no Hoare annotation was computed. [2020-07-20 13:05:17,610 INFO L268 CegarLoopResult]: For program point L912(lines 912 919) no Hoare annotation was computed. [2020-07-20 13:05:17,610 INFO L268 CegarLoopResult]: For program point L873(lines 872 892) no Hoare annotation was computed. [2020-07-20 13:05:17,610 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-07-20 13:05:17,610 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-07-20 13:05:17,610 INFO L268 CegarLoopResult]: For program point L869(lines 869 910) no Hoare annotation was computed. [2020-07-20 13:05:17,610 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:17,611 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 13:05:17,611 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:17,611 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 432 439) no Hoare annotation was computed. [2020-07-20 13:05:17,611 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 432 439) no Hoare annotation was computed. [2020-07-20 13:05:17,611 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 432 439) 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 13:05:17,611 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 169 177) the Hoare annotation is: true [2020-07-20 13:05:17,611 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-20 13:05:17,611 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-20 13:05:17,612 INFO L268 CegarLoopResult]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-07-20 13:05:17,612 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 504 522) no Hoare annotation was computed. [2020-07-20 13:05:17,612 INFO L271 CegarLoopResult]: At program point L511(line 511) the Hoare annotation is: true [2020-07-20 13:05:17,612 INFO L268 CegarLoopResult]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2020-07-20 13:05:17,612 INFO L268 CegarLoopResult]: For program point L511-1(line 511) no Hoare annotation was computed. [2020-07-20 13:05:17,612 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 504 522) the Hoare annotation is: true [2020-07-20 13:05:17,612 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 504 522) no Hoare annotation was computed. [2020-07-20 13:05:17,613 INFO L268 CegarLoopResult]: For program point L129-1(lines 125 136) no Hoare annotation was computed. [2020-07-20 13:05:17,613 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 125 136) the Hoare annotation is: true [2020-07-20 13:05:17,613 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 125 136) no Hoare annotation was computed. [2020-07-20 13:05:17,613 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:17,613 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:05:17,613 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:17,613 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 137 145) the Hoare annotation is: true [2020-07-20 13:05:17,613 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 137 145) no Hoare annotation was computed. [2020-07-20 13:05:17,613 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 137 145) no Hoare annotation was computed. [2020-07-20 13:05:17,614 INFO L264 CegarLoopResult]: At program point L336(line 336) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse1 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse1 .cse4 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse5)))) [2020-07-20 13:05:17,614 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 320 346) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-20 13:05:17,614 INFO L264 CegarLoopResult]: At program point L334(lines 334 340) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (<= 1 ~switchedOnBeforeTS~0) .cse10)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 (and .cse6 .cse7)) (let ((.cse8 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse8 .cse6 .cse7) .cse5 .cse4 .cse9 (and .cse8 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse9)))) [2020-07-20 13:05:17,614 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 320 346) no Hoare annotation was computed. [2020-07-20 13:05:17,615 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse4 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 13:05:17,615 INFO L268 CegarLoopResult]: For program point L327(lines 323 345) no Hoare annotation was computed. [2020-07-20 13:05:17,615 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 320 346) no Hoare annotation was computed. [2020-07-20 13:05:17,615 INFO L268 CegarLoopResult]: For program point L325(lines 323 345) no Hoare annotation was computed. [2020-07-20 13:05:17,615 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-07-20 13:05:17,615 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 213 242) no Hoare annotation was computed. [2020-07-20 13:05:17,615 INFO L271 CegarLoopResult]: At program point L223-2(lines 223 237) the Hoare annotation is: true [2020-07-20 13:05:17,615 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 213 242) the Hoare annotation is: true [2020-07-20 13:05:17,616 INFO L271 CegarLoopResult]: At program point L219(line 219) the Hoare annotation is: true [2020-07-20 13:05:17,616 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-07-20 13:05:17,616 INFO L271 CegarLoopResult]: At program point L238(lines 213 242) the Hoare annotation is: true [2020-07-20 13:05:17,616 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-07-20 13:05:17,616 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-20 13:05:17,616 INFO L271 CegarLoopResult]: At program point L227-1(lines 227 231) the Hoare annotation is: true [2020-07-20 13:05:17,616 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 101 112) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 13:05:17,616 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 101 112) no Hoare annotation was computed. [2020-07-20 13:05:17,617 INFO L268 CegarLoopResult]: For program point L105-1(lines 101 112) no Hoare annotation was computed. [2020-07-20 13:05:17,617 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 268 274) no Hoare annotation was computed. [2020-07-20 13:05:17,617 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 268 274) the Hoare annotation is: true [2020-07-20 13:05:17,617 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:17,617 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:05:17,617 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:05:17,617 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:17,617 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 542 549) no Hoare annotation was computed. [2020-07-20 13:05:17,618 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 542 549) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse2 (<= 1 ~systemActive~0))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse3 .cse2))) [2020-07-20 13:05:17,618 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 542 549) no Hoare annotation was computed. [2020-07-20 13:05:17,618 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 355 379) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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 13:05:17,618 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 355 379) no Hoare annotation was computed. [2020-07-20 13:05:17,618 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))))) [2020-07-20 13:05:17,618 INFO L268 CegarLoopResult]: For program point L374-1(lines 355 379) no Hoare annotation was computed. [2020-07-20 13:05:17,618 INFO L264 CegarLoopResult]: At program point L369(line 369) 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 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:17,619 INFO L264 CegarLoopResult]: At program point L365(line 365) 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 13:05:17,619 INFO L268 CegarLoopResult]: For program point L363(lines 363 371) no Hoare annotation was computed. [2020-07-20 13:05:17,619 INFO L264 CegarLoopResult]: At program point L361(line 361) 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 13:05:17,619 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-07-20 13:05:17,619 INFO L268 CegarLoopResult]: For program point L359(lines 359 376) no Hoare annotation was computed. [2020-07-20 13:05:17,619 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 113 124) no Hoare annotation was computed. [2020-07-20 13:05:17,619 INFO L268 CegarLoopResult]: For program point L117-1(lines 113 124) no Hoare annotation was computed. [2020-07-20 13:05:17,619 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 113 124) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-20 13:05:17,620 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2020-07-20 13:05:17,620 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2020-07-20 13:05:17,620 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2020-07-20 13:05:17,620 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2020-07-20 13:05:17,620 INFO L268 CegarLoopResult]: For program point L385(lines 385 402) no Hoare annotation was computed. [2020-07-20 13:05:17,620 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 381 405) no Hoare annotation was computed. [2020-07-20 13:05:17,620 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 381 405) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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 13:05:17,621 INFO L264 CegarLoopResult]: At program point L400(line 400) 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 13:05:17,621 INFO L268 CegarLoopResult]: For program point L400-1(lines 381 405) no Hoare annotation was computed. [2020-07-20 13:05:17,621 INFO L264 CegarLoopResult]: At program point L395(line 395) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-20 13:05:17,621 INFO L264 CegarLoopResult]: At program point L391(line 391) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-20 13:05:17,621 INFO L268 CegarLoopResult]: For program point L389(lines 389 397) no Hoare annotation was computed. [2020-07-20 13:05:17,621 INFO L264 CegarLoopResult]: At program point L387(line 387) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-20 13:05:17,621 INFO L268 CegarLoopResult]: For program point L387-1(line 387) no Hoare annotation was computed. [2020-07-20 13:05:17,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:05:17 BoogieIcfgContainer [2020-07-20 13:05:17,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:05:17,645 INFO L168 Benchmark]: Toolchain (without parser) took 18636.21 ms. Allocated memory was 135.8 MB in the beginning and 422.6 MB in the end (delta: 286.8 MB). Free memory was 98.7 MB in the beginning and 292.3 MB in the end (delta: -193.6 MB). Peak memory consumption was 308.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:17,646 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:05:17,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.18 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 98.3 MB in the beginning and 168.5 MB in the end (delta: -70.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:17,650 INFO L168 Benchmark]: Boogie Preprocessor took 91.62 ms. Allocated memory is still 200.3 MB. Free memory was 168.5 MB in the beginning and 164.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:17,653 INFO L168 Benchmark]: RCFGBuilder took 1264.45 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 164.2 MB in the beginning and 191.5 MB in the end (delta: -27.3 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:17,654 INFO L168 Benchmark]: TraceAbstraction took 16623.48 ms. Allocated memory was 228.1 MB in the beginning and 422.6 MB in the end (delta: 194.5 MB). Free memory was 190.1 MB in the beginning and 292.3 MB in the end (delta: -102.2 MB). Peak memory consumption was 307.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:17,662 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.18 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 98.3 MB in the beginning and 168.5 MB in the end (delta: -70.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.62 ms. Allocated memory is still 200.3 MB. Free memory was 168.5 MB in the beginning and 164.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1264.45 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 164.2 MB in the beginning and 191.5 MB in the end (delta: -27.3 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16623.48 ms. Allocated memory was 228.1 MB in the beginning and 422.6 MB in the end (delta: 194.5 MB). Free memory was 190.1 MB in the beginning and 292.3 MB in the end (delta: -102.2 MB). Peak memory consumption was 307.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: 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: 561]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 259 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2088 SDtfs, 1409 SDslu, 3674 SDs, 0 SdLazy, 2241 SolverSat, 569 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1134 GetRequests, 1072 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 203 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 1015 PreInvPairs, 1099 NumberOfFragments, 1883 HoareAnnotationTreeSize, 1015 FomulaSimplifications, 1731 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 71 FomulaSimplificationsInter, 8559 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 940 NumberOfCodeBlocks, 845 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1109 ConstructedInterpolants, 0 QuantifiedInterpolants, 247417 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7653 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 95/121 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...