/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_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:40:34,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:40:34,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:40:34,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:40:34,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:40:34,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:40:34,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:40:34,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:40:34,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:40:34,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:40:34,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:40:34,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:40:34,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:40:34,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:40:34,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:40:34,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:40:34,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:40:34,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:40:34,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:40:34,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:40:34,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:40:34,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:40:34,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:40:34,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:40:34,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:40:34,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:40:34,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:40:34,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:40:34,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:40:34,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:40:34,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:40:34,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:40:34,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:40:34,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:40:34,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:40:34,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:40:34,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:40:34,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:40:34,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:40:34,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:40:34,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:40:34,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 15:40:34,807 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:40:34,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:40:34,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:40:34,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:40:34,811 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:40:34,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:40:34,812 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:40:34,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:40:34,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:40:34,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:40:34,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:40:34,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:40:34,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:40:34,814 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:40:34,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:40:34,814 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:40:34,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:40:34,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:40:34,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:40:34,816 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:40:34,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:40:34,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:40:34,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:40:34,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:40:34,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:40:34,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:40:34,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:34,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:40:34,821 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:40:34,822 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_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 15:40:35,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:40:35,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:40:35,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:40:35,147 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:40:35,148 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:40:35,148 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-07-21 15:40:35,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/587f82046/cccd88846be642669af5629f124d2b8e/FLAGa4dc62191 [2020-07-21 15:40:35,720 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:40:35,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-07-21 15:40:35,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/587f82046/cccd88846be642669af5629f124d2b8e/FLAGa4dc62191 [2020-07-21 15:40:36,000 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/587f82046/cccd88846be642669af5629f124d2b8e [2020-07-21 15:40:36,010 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:40:36,012 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:40:36,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:36,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:40:36,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:40:36,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:36" (1/1) ... [2020-07-21 15:40:36,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfe28c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:36, skipping insertion in model container [2020-07-21 15:40:36,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:36" (1/1) ... [2020-07-21 15:40:36,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:40:36,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:40:36,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:36,538 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:40:36,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:36,689 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:40:36,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:36 WrapperNode [2020-07-21 15:40:36,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:36,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:40:36,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:40:36,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:40:36,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:36" (1/1) ... [2020-07-21 15:40:36,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:36" (1/1) ... [2020-07-21 15:40:36,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:36" (1/1) ... [2020-07-21 15:40:36,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:36" (1/1) ... [2020-07-21 15:40:36,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:36" (1/1) ... [2020-07-21 15:40:36,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:36" (1/1) ... [2020-07-21 15:40:36,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:36" (1/1) ... [2020-07-21 15:40:36,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:40:36,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:40:36,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:40:36,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:40:36,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:40:36,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:40:36,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:40:36,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:36,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:36,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:36,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:40:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:40:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:40:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:40:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:40:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:40:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 15:40:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:40:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:40:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:40:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:40:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:40:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:40:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:40:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:40:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:40:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:40:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 15:40:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 15:40:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 15:40:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:40:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:40:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:40:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:40:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:40:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:40:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:40:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:40:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:40:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:40:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:40:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:40:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:40:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:40:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:40:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:40:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:40:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:40:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:40:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:40:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:40:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:40:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:40:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:40:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 15:40:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:40:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 15:40:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 15:40:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:40:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:40:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:40:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:40:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:40:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:40:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:40:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:40:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 15:40:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:40:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:40:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:40:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:40:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:40:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:40:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:40:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:40:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:40:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:40:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:40:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:40:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:40:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:40:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:40:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:40:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:40:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:40:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:40:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:40:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:40:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:40:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:40:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:40:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:40:38,116 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:40:38,118 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:40:38,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:40:38 BoogieIcfgContainer [2020-07-21 15:40:38,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:40:38,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:40:38,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:40:38,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:40:38,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:40:36" (1/3) ... [2020-07-21 15:40:38,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e8dce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:40:38, skipping insertion in model container [2020-07-21 15:40:38,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:36" (2/3) ... [2020-07-21 15:40:38,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e8dce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:40:38, skipping insertion in model container [2020-07-21 15:40:38,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:40:38" (3/3) ... [2020-07-21 15:40:38,136 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2020-07-21 15:40:38,146 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:40:38,154 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:40:38,169 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:40:38,192 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:40:38,192 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:40:38,192 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:40:38,192 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:40:38,193 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:40:38,193 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:40:38,193 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:40:38,193 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:40:38,216 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-21 15:40:38,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 15:40:38,226 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:38,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:38,228 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:38,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:38,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1292486909, now seen corresponding path program 1 times [2020-07-21 15:40:38,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:38,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825348084] [2020-07-21 15:40:38,241 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:38,752 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:38,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:38,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:40:38,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:38,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:38,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:38,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825348084] [2020-07-21 15:40:38,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:38,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:40:38,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803660760] [2020-07-21 15:40:38,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:40:38,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:38,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:40:38,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:40:38,827 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2020-07-21 15:40:38,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:38,873 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2020-07-21 15:40:38,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:40:38,874 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 15:40:38,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:38,888 INFO L225 Difference]: With dead ends: 272 [2020-07-21 15:40:38,889 INFO L226 Difference]: Without dead ends: 138 [2020-07-21 15:40:38,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:40:38,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-21 15:40:38,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-07-21 15:40:38,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-21 15:40:38,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2020-07-21 15:40:38,960 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 51 [2020-07-21 15:40:38,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:38,961 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2020-07-21 15:40:38,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:40:38,961 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2020-07-21 15:40:38,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 15:40:38,966 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:38,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:39,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:39,180 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:39,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:39,181 INFO L82 PathProgramCache]: Analyzing trace with hash -11798802, now seen corresponding path program 1 times [2020-07-21 15:40:39,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:39,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1484691480] [2020-07-21 15:40:39,183 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:39,548 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:39,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:39,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:40:39,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:39,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:39,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1484691480] [2020-07-21 15:40:39,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:39,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:39,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677890286] [2020-07-21 15:40:39,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:39,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:39,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:39,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:39,610 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 3 states. [2020-07-21 15:40:39,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:39,661 INFO L93 Difference]: Finished difference Result 211 states and 249 transitions. [2020-07-21 15:40:39,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:39,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 15:40:39,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:39,670 INFO L225 Difference]: With dead ends: 211 [2020-07-21 15:40:39,670 INFO L226 Difference]: Without dead ends: 129 [2020-07-21 15:40:39,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:39,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-21 15:40:39,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-07-21 15:40:39,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-21 15:40:39,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2020-07-21 15:40:39,708 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 52 [2020-07-21 15:40:39,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:39,709 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2020-07-21 15:40:39,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:39,709 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2020-07-21 15:40:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 15:40:39,714 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:39,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:39,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:39,915 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:39,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:39,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1490469892, now seen corresponding path program 1 times [2020-07-21 15:40:39,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:39,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978749223] [2020-07-21 15:40:39,918 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:40,292 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:40,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:40,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:40:40,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:40,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:40,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:40,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978749223] [2020-07-21 15:40:40,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:40,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:40,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882448580] [2020-07-21 15:40:40,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:40,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:40,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:40,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:40,334 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 3 states. [2020-07-21 15:40:40,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:40,373 INFO L93 Difference]: Finished difference Result 327 states and 396 transitions. [2020-07-21 15:40:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:40,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-21 15:40:40,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:40,378 INFO L225 Difference]: With dead ends: 327 [2020-07-21 15:40:40,378 INFO L226 Difference]: Without dead ends: 226 [2020-07-21 15:40:40,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:40,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-21 15:40:40,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 220. [2020-07-21 15:40:40,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-21 15:40:40,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 265 transitions. [2020-07-21 15:40:40,419 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 265 transitions. Word has length 57 [2020-07-21 15:40:40,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:40,420 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 265 transitions. [2020-07-21 15:40:40,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:40,420 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 265 transitions. [2020-07-21 15:40:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 15:40:40,423 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:40,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:40,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:40,636 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:40,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:40,637 INFO L82 PathProgramCache]: Analyzing trace with hash -512554003, now seen corresponding path program 1 times [2020-07-21 15:40:40,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:40,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583837582] [2020-07-21 15:40:40,638 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:41,040 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:41,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:41,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:40:41,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:41,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:41,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:41,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583837582] [2020-07-21 15:40:41,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:41,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:41,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249762780] [2020-07-21 15:40:41,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:41,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:41,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:41,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:41,067 INFO L87 Difference]: Start difference. First operand 220 states and 265 transitions. Second operand 3 states. [2020-07-21 15:40:41,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:41,119 INFO L93 Difference]: Finished difference Result 412 states and 510 transitions. [2020-07-21 15:40:41,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:41,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-07-21 15:40:41,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:41,124 INFO L225 Difference]: With dead ends: 412 [2020-07-21 15:40:41,124 INFO L226 Difference]: Without dead ends: 409 [2020-07-21 15:40:41,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:41,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-07-21 15:40:41,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2020-07-21 15:40:41,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-07-21 15:40:41,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 506 transitions. [2020-07-21 15:40:41,164 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 506 transitions. Word has length 62 [2020-07-21 15:40:41,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:41,165 INFO L479 AbstractCegarLoop]: Abstraction has 409 states and 506 transitions. [2020-07-21 15:40:41,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:41,165 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 506 transitions. [2020-07-21 15:40:41,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 15:40:41,171 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:41,171 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 15:40:41,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:41,385 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:41,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:41,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1331116109, now seen corresponding path program 1 times [2020-07-21 15:40:41,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:41,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468837408] [2020-07-21 15:40:41,386 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:41,843 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:41,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:41,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:40:41,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:41,904 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 15:40:41,905 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:41,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468837408] [2020-07-21 15:40:41,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:41,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:40:41,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957217978] [2020-07-21 15:40:41,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:40:41,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:41,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:40:41,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:40:41,909 INFO L87 Difference]: Start difference. First operand 409 states and 506 transitions. Second operand 6 states. [2020-07-21 15:40:42,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:42,218 INFO L93 Difference]: Finished difference Result 958 states and 1246 transitions. [2020-07-21 15:40:42,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:40:42,219 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-07-21 15:40:42,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:42,223 INFO L225 Difference]: With dead ends: 958 [2020-07-21 15:40:42,224 INFO L226 Difference]: Without dead ends: 577 [2020-07-21 15:40:42,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:40:42,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2020-07-21 15:40:42,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 539. [2020-07-21 15:40:42,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-07-21 15:40:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 672 transitions. [2020-07-21 15:40:42,263 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 672 transitions. Word has length 93 [2020-07-21 15:40:42,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:42,264 INFO L479 AbstractCegarLoop]: Abstraction has 539 states and 672 transitions. [2020-07-21 15:40:42,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:40:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 672 transitions. [2020-07-21 15:40:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-21 15:40:42,268 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:42,268 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 15:40:42,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:42,481 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:42,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:42,481 INFO L82 PathProgramCache]: Analyzing trace with hash -726973202, now seen corresponding path program 1 times [2020-07-21 15:40:42,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:42,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375715178] [2020-07-21 15:40:42,482 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:42,668 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:40:42,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:42,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 15:40:42,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:42,712 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 15:40:42,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:42,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375715178] [2020-07-21 15:40:42,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:42,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:40:42,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707336857] [2020-07-21 15:40:42,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:40:42,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:42,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:40:42,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:40:42,715 INFO L87 Difference]: Start difference. First operand 539 states and 672 transitions. Second operand 5 states. [2020-07-21 15:40:42,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:42,752 INFO L93 Difference]: Finished difference Result 1078 states and 1405 transitions. [2020-07-21 15:40:42,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:40:42,754 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-07-21 15:40:42,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:42,758 INFO L225 Difference]: With dead ends: 1078 [2020-07-21 15:40:42,758 INFO L226 Difference]: Without dead ends: 567 [2020-07-21 15:40:42,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:40:42,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2020-07-21 15:40:42,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 555. [2020-07-21 15:40:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-07-21 15:40:42,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 688 transitions. [2020-07-21 15:40:42,791 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 688 transitions. Word has length 125 [2020-07-21 15:40:42,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:42,792 INFO L479 AbstractCegarLoop]: Abstraction has 555 states and 688 transitions. [2020-07-21 15:40:42,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:40:42,792 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 688 transitions. [2020-07-21 15:40:42,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-21 15:40:42,795 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:42,796 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 15:40:43,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:43,010 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:43,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:43,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1458940628, now seen corresponding path program 1 times [2020-07-21 15:40:43,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:43,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1088563401] [2020-07-21 15:40:43,013 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:43,298 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:43,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:43,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 15:40:43,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:43,333 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 15:40:43,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:43,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1088563401] [2020-07-21 15:40:43,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:43,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:43,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470452214] [2020-07-21 15:40:43,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:43,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:43,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:43,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:43,336 INFO L87 Difference]: Start difference. First operand 555 states and 688 transitions. Second operand 3 states. [2020-07-21 15:40:43,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:43,443 INFO L93 Difference]: Finished difference Result 875 states and 1088 transitions. [2020-07-21 15:40:43,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:43,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-07-21 15:40:43,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:43,447 INFO L225 Difference]: With dead ends: 875 [2020-07-21 15:40:43,447 INFO L226 Difference]: Without dead ends: 348 [2020-07-21 15:40:43,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:43,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-07-21 15:40:43,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 340. [2020-07-21 15:40:43,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2020-07-21 15:40:43,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 409 transitions. [2020-07-21 15:40:43,468 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 409 transitions. Word has length 125 [2020-07-21 15:40:43,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:43,468 INFO L479 AbstractCegarLoop]: Abstraction has 340 states and 409 transitions. [2020-07-21 15:40:43,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:43,468 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 409 transitions. [2020-07-21 15:40:43,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-21 15:40:43,470 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:43,471 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:43,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:43,684 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:43,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:43,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1025750445, now seen corresponding path program 1 times [2020-07-21 15:40:43,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:43,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971911288] [2020-07-21 15:40:43,685 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:43,865 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:40:43,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:43,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 15:40:43,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:43,922 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 15:40:43,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:43,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971911288] [2020-07-21 15:40:43,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:43,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:40:43,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451499543] [2020-07-21 15:40:43,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:40:43,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:43,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:40:43,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:40:43,924 INFO L87 Difference]: Start difference. First operand 340 states and 409 transitions. Second operand 6 states. [2020-07-21 15:40:44,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:44,668 INFO L93 Difference]: Finished difference Result 1220 states and 1662 transitions. [2020-07-21 15:40:44,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:40:44,668 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2020-07-21 15:40:44,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:44,675 INFO L225 Difference]: With dead ends: 1220 [2020-07-21 15:40:44,675 INFO L226 Difference]: Without dead ends: 908 [2020-07-21 15:40:44,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:40:44,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-07-21 15:40:44,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 848. [2020-07-21 15:40:44,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 848 states. [2020-07-21 15:40:44,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1090 transitions. [2020-07-21 15:40:44,737 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1090 transitions. Word has length 144 [2020-07-21 15:40:44,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:44,738 INFO L479 AbstractCegarLoop]: Abstraction has 848 states and 1090 transitions. [2020-07-21 15:40:44,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:40:44,738 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1090 transitions. [2020-07-21 15:40:44,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-21 15:40:44,745 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:44,745 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:44,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:44,961 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:44,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:44,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1675004118, now seen corresponding path program 1 times [2020-07-21 15:40:44,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:44,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [318341789] [2020-07-21 15:40:44,963 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:45,143 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:40:45,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:45,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 15:40:45,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 15:40:45,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:45,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [318341789] [2020-07-21 15:40:45,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:45,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 15:40:45,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089400371] [2020-07-21 15:40:45,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 15:40:45,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:45,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 15:40:45,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:40:45,253 INFO L87 Difference]: Start difference. First operand 848 states and 1090 transitions. Second operand 8 states. [2020-07-21 15:40:46,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:46,777 INFO L93 Difference]: Finished difference Result 2507 states and 3490 transitions. [2020-07-21 15:40:46,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-21 15:40:46,778 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 148 [2020-07-21 15:40:46,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:46,789 INFO L225 Difference]: With dead ends: 2507 [2020-07-21 15:40:46,789 INFO L226 Difference]: Without dead ends: 1687 [2020-07-21 15:40:46,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-07-21 15:40:46,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2020-07-21 15:40:46,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1399. [2020-07-21 15:40:46,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1399 states. [2020-07-21 15:40:46,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 1858 transitions. [2020-07-21 15:40:46,881 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 1858 transitions. Word has length 148 [2020-07-21 15:40:46,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:46,881 INFO L479 AbstractCegarLoop]: Abstraction has 1399 states and 1858 transitions. [2020-07-21 15:40:46,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 15:40:46,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1858 transitions. [2020-07-21 15:40:46,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-21 15:40:46,886 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:46,886 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:47,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:47,101 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:47,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:47,102 INFO L82 PathProgramCache]: Analyzing trace with hash -41825328, now seen corresponding path program 1 times [2020-07-21 15:40:47,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:47,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [475707707] [2020-07-21 15:40:47,103 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:47,359 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:47,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:47,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 15:40:47,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:47,448 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-21 15:40:47,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:47,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [475707707] [2020-07-21 15:40:47,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:47,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-21 15:40:47,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973470693] [2020-07-21 15:40:47,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-21 15:40:47,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:47,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-21 15:40:47,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-21 15:40:47,450 INFO L87 Difference]: Start difference. First operand 1399 states and 1858 transitions. Second operand 11 states. [2020-07-21 15:40:48,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:48,149 INFO L93 Difference]: Finished difference Result 3727 states and 5244 transitions. [2020-07-21 15:40:48,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 15:40:48,150 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 144 [2020-07-21 15:40:48,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:48,172 INFO L225 Difference]: With dead ends: 3727 [2020-07-21 15:40:48,172 INFO L226 Difference]: Without dead ends: 2356 [2020-07-21 15:40:48,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-21 15:40:48,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2356 states. [2020-07-21 15:40:48,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2356 to 2306. [2020-07-21 15:40:48,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2306 states. [2020-07-21 15:40:48,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2306 states to 2306 states and 3062 transitions. [2020-07-21 15:40:48,327 INFO L78 Accepts]: Start accepts. Automaton has 2306 states and 3062 transitions. Word has length 144 [2020-07-21 15:40:48,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:48,328 INFO L479 AbstractCegarLoop]: Abstraction has 2306 states and 3062 transitions. [2020-07-21 15:40:48,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-21 15:40:48,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2306 states and 3062 transitions. [2020-07-21 15:40:48,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-21 15:40:48,340 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:48,340 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 15:40:48,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:48,555 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:48,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:48,555 INFO L82 PathProgramCache]: Analyzing trace with hash -2069714920, now seen corresponding path program 1 times [2020-07-21 15:40:48,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:48,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881821076] [2020-07-21 15:40:48,557 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:48,844 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:48,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:48,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 15:40:48,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:48,874 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:48,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:48,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881821076] [2020-07-21 15:40:48,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:48,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:48,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571951129] [2020-07-21 15:40:48,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:48,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:48,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:48,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:48,877 INFO L87 Difference]: Start difference. First operand 2306 states and 3062 transitions. Second operand 3 states. [2020-07-21 15:40:49,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:49,028 INFO L93 Difference]: Finished difference Result 4226 states and 5724 transitions. [2020-07-21 15:40:49,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:49,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-07-21 15:40:49,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:49,030 INFO L225 Difference]: With dead ends: 4226 [2020-07-21 15:40:49,030 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:40:49,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:49,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:40:49,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:40:49,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:40:49,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:40:49,045 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 148 [2020-07-21 15:40:49,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:49,045 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:40:49,045 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:49,045 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:40:49,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:40:49,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:49,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:40:51,503 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 21 [2020-07-21 15:40:52,610 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 44 [2020-07-21 15:40:52,823 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 26 [2020-07-21 15:40:53,003 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 21 [2020-07-21 15:40:53,143 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 14 [2020-07-21 15:40:53,293 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 33 [2020-07-21 15:40:53,740 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2020-07-21 15:40:54,000 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 24 [2020-07-21 15:40:54,131 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 33 [2020-07-21 15:40:54,617 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 24 [2020-07-21 15:40:54,814 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-07-21 15:40:55,245 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2020-07-21 15:40:55,880 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 36 [2020-07-21 15:40:56,114 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 31 [2020-07-21 15:40:56,230 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 21 [2020-07-21 15:40:56,391 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 18 [2020-07-21 15:40:56,569 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 25 [2020-07-21 15:40:56,746 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 23 [2020-07-21 15:40:56,866 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 33 [2020-07-21 15:40:57,033 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 23 [2020-07-21 15:40:57,276 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 23 [2020-07-21 15:40:57,428 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 14 [2020-07-21 15:40:57,517 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-07-21 15:40:57,517 INFO L268 CegarLoopResult]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2020-07-21 15:40:57,518 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-07-21 15:40:57,518 INFO L268 CegarLoopResult]: For program point L536-2(lines 536 557) no Hoare annotation was computed. [2020-07-21 15:40:57,518 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 511 566) no Hoare annotation was computed. [2020-07-21 15:40:57,518 INFO L268 CegarLoopResult]: For program point L558(lines 535 559) no Hoare annotation was computed. [2020-07-21 15:40:57,518 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 511 566) no Hoare annotation was computed. [2020-07-21 15:40:57,518 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 511 566) no Hoare annotation was computed. [2020-07-21 15:40:57,518 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-07-21 15:40:57,518 INFO L268 CegarLoopResult]: For program point L599-1(lines 599 603) no Hoare annotation was computed. [2020-07-21 15:40:57,519 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 567 626) no Hoare annotation was computed. [2020-07-21 15:40:57,519 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-07-21 15:40:57,519 INFO L268 CegarLoopResult]: For program point L593-2(lines 593 618) no Hoare annotation was computed. [2020-07-21 15:40:57,519 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 567 626) no Hoare annotation was computed. [2020-07-21 15:40:57,519 INFO L268 CegarLoopResult]: For program point L619(lines 592 620) no Hoare annotation was computed. [2020-07-21 15:40:57,519 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 567 626) no Hoare annotation was computed. [2020-07-21 15:40:57,519 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-07-21 15:40:57,519 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-07-21 15:40:57,520 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 952 958) the Hoare annotation is: true [2020-07-21 15:40:57,520 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 952 958) no Hoare annotation was computed. [2020-07-21 15:40:57,520 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 959 967) no Hoare annotation was computed. [2020-07-21 15:40:57,520 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 959 967) the Hoare annotation is: true [2020-07-21 15:40:57,520 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 959 967) no Hoare annotation was computed. [2020-07-21 15:40:57,520 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 910 932) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:57,521 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:57,521 INFO L264 CegarLoopResult]: At program point L922-1(line 922) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:57,521 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 910 932) no Hoare annotation was computed. [2020-07-21 15:40:57,521 INFO L268 CegarLoopResult]: For program point L920(lines 920 927) no Hoare annotation was computed. [2020-07-21 15:40:57,521 INFO L268 CegarLoopResult]: For program point L920-1(lines 920 927) no Hoare annotation was computed. [2020-07-21 15:40:57,521 INFO L268 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-07-21 15:40:57,522 INFO L264 CegarLoopResult]: At program point L917(line 917) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:57,522 INFO L264 CegarLoopResult]: At program point L916(line 916) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:57,522 INFO L264 CegarLoopResult]: At program point L916-1(line 916) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:57,522 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 910 932) no Hoare annotation was computed. [2020-07-21 15:40:57,522 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 865 888) no Hoare annotation was computed. [2020-07-21 15:40:57,522 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 865 888) no Hoare annotation was computed. [2020-07-21 15:40:57,522 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 865 888) no Hoare annotation was computed. [2020-07-21 15:40:57,523 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-07-21 15:40:57,523 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-21 15:40:57,523 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-07-21 15:40:57,523 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-07-21 15:40:57,523 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-07-21 15:40:57,523 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-07-21 15:40:57,523 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-07-21 15:40:57,523 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-07-21 15:40:57,523 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-07-21 15:40:57,524 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-07-21 15:40:57,524 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-07-21 15:40:57,524 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-07-21 15:40:57,524 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-07-21 15:40:57,524 INFO L268 CegarLoopResult]: For program point L870(line 870) no Hoare annotation was computed. [2020-07-21 15:40:57,524 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 435 449) no Hoare annotation was computed. [2020-07-21 15:40:57,524 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (and (or (not (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (<= 1 ~systemActive~0) (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:40:57,524 INFO L268 CegarLoopResult]: For program point L439(lines 439 445) no Hoare annotation was computed. [2020-07-21 15:40:57,525 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 435 449) the Hoare annotation is: (and (or (not (<= 1 |old(~pumpRunning~0)|)) (and (<= 1 ~systemActive~0) (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~systemActive~0)|))) (or (not (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))) [2020-07-21 15:40:57,525 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 435 449) no Hoare annotation was computed. [2020-07-21 15:40:57,525 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 371 379) no Hoare annotation was computed. [2020-07-21 15:40:57,525 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 371 379) the Hoare annotation is: true [2020-07-21 15:40:57,525 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 371 379) no Hoare annotation was computed. [2020-07-21 15:40:57,525 INFO L268 CegarLoopResult]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2020-07-21 15:40:57,525 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-21 15:40:57,526 INFO L268 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2020-07-21 15:40:57,526 INFO L268 CegarLoopResult]: For program point L399(lines 399 407) no Hoare annotation was computed. [2020-07-21 15:40:57,526 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 380 415) no Hoare annotation was computed. [2020-07-21 15:40:57,526 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 407) no Hoare annotation was computed. [2020-07-21 15:40:57,526 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 380 415) no Hoare annotation was computed. [2020-07-21 15:40:57,526 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-07-21 15:40:57,526 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 380 415) no Hoare annotation was computed. [2020-07-21 15:40:57,526 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 945 951) no Hoare annotation was computed. [2020-07-21 15:40:57,527 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 945 951) the Hoare annotation is: true [2020-07-21 15:40:57,527 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 465 510) no Hoare annotation was computed. [2020-07-21 15:40:57,527 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 465 510) no Hoare annotation was computed. [2020-07-21 15:40:57,527 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 465 510) no Hoare annotation was computed. [2020-07-21 15:40:57,527 INFO L268 CegarLoopResult]: For program point L798(lines 798 805) no Hoare annotation was computed. [2020-07-21 15:40:57,527 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 778 823) no Hoare annotation was computed. [2020-07-21 15:40:57,527 INFO L268 CegarLoopResult]: For program point L792(lines 792 812) no Hoare annotation was computed. [2020-07-21 15:40:57,527 INFO L268 CegarLoopResult]: For program point L792-1(lines 792 812) no Hoare annotation was computed. [2020-07-21 15:40:57,527 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 778 823) no Hoare annotation was computed. [2020-07-21 15:40:57,528 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 778 823) no Hoare annotation was computed. [2020-07-21 15:40:57,528 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 896 906) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:57,528 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 896 906) no Hoare annotation was computed. [2020-07-21 15:40:57,528 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 896 906) no Hoare annotation was computed. [2020-07-21 15:40:57,528 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:57,528 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 360 370) the Hoare annotation is: true [2020-07-21 15:40:57,528 INFO L271 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: true [2020-07-21 15:40:57,529 INFO L268 CegarLoopResult]: For program point L365-1(line 365) no Hoare annotation was computed. [2020-07-21 15:40:57,529 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 360 370) no Hoare annotation was computed. [2020-07-21 15:40:57,529 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 360 370) no Hoare annotation was computed. [2020-07-21 15:40:57,529 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 352 359) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (<= 1 ~pumpRunning~0)) [2020-07-21 15:40:57,529 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2020-07-21 15:40:57,529 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2020-07-21 15:40:57,529 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-07-21 15:40:57,529 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 167 180) no Hoare annotation was computed. [2020-07-21 15:40:57,530 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 167 180) the Hoare annotation is: true [2020-07-21 15:40:57,530 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 167 180) no Hoare annotation was computed. [2020-07-21 15:40:57,530 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 319 343) no Hoare annotation was computed. [2020-07-21 15:40:57,530 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 319 343) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (<= 1 ~pumpRunning~0)))) [2020-07-21 15:40:57,530 INFO L264 CegarLoopResult]: At program point L338(line 338) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-21 15:40:57,530 INFO L268 CegarLoopResult]: For program point L338-1(lines 319 343) no Hoare annotation was computed. [2020-07-21 15:40:57,530 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (and (= 0 ~methaneLevelCritical~0) (= ~methaneLevelCritical~0 processEnvironment_~tmp~3) (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~pumpRunning~0)|))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:40:57,531 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~3) (<= 1 ~pumpRunning~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:40:57,531 INFO L268 CegarLoopResult]: For program point L327(lines 327 335) no Hoare annotation was computed. [2020-07-21 15:40:57,531 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (<= 1 ~pumpRunning~0)) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:40:57,531 INFO L268 CegarLoopResult]: For program point L325-1(line 325) no Hoare annotation was computed. [2020-07-21 15:40:57,531 INFO L268 CegarLoopResult]: For program point L323(lines 323 340) no Hoare annotation was computed. [2020-07-21 15:40:57,531 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 285 291) no Hoare annotation was computed. [2020-07-21 15:40:57,531 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 285 291) the Hoare annotation is: true [2020-07-21 15:40:57,532 INFO L264 CegarLoopResult]: At program point testENTRY(lines 186 253) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:57,532 INFO L268 CegarLoopResult]: For program point testFINAL(lines 186 253) no Hoare annotation was computed. [2020-07-21 15:40:57,532 INFO L264 CegarLoopResult]: At program point L246(lines 195 247) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:57,532 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~systemActive~0) (<= 1 ~pumpRunning~0)))) [2020-07-21 15:40:57,532 INFO L268 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-07-21 15:40:57,532 INFO L264 CegarLoopResult]: At program point L234-1(lines 226 241) the Hoare annotation is: (let ((.cse1 (<= 1 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 (<= 1 ~pumpRunning~0)) (and (= 0 ~methAndRunningLastTime~0) .cse2 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse2 .cse0))) [2020-07-21 15:40:57,533 INFO L268 CegarLoopResult]: For program point L197(lines 196 245) no Hoare annotation was computed. [2020-07-21 15:40:57,533 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:40:57,533 INFO L268 CegarLoopResult]: For program point L226(lines 226 241) no Hoare annotation was computed. [2020-07-21 15:40:57,533 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse2 .cse3 (<= 1 ~pumpRunning~0)) (and .cse0 .cse1 .cse2 .cse3))) [2020-07-21 15:40:57,533 INFO L268 CegarLoopResult]: For program point L216(lines 216 222) no Hoare annotation was computed. [2020-07-21 15:40:57,533 INFO L268 CegarLoopResult]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2020-07-21 15:40:57,534 INFO L264 CegarLoopResult]: At program point L243(lines 196 245) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse3 (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2 .cse3))) [2020-07-21 15:40:57,534 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse3 (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2 .cse3))) [2020-07-21 15:40:57,534 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-21 15:40:57,534 INFO L268 CegarLoopResult]: For program point L206-1(lines 206 212) no Hoare annotation was computed. [2020-07-21 15:40:57,534 INFO L268 CegarLoopResult]: For program point L198(lines 198 202) no Hoare annotation was computed. [2020-07-21 15:40:57,534 INFO L268 CegarLoopResult]: For program point testEXIT(lines 186 253) no Hoare annotation was computed. [2020-07-21 15:40:57,535 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 732 777) no Hoare annotation was computed. [2020-07-21 15:40:57,535 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 732 777) no Hoare annotation was computed. [2020-07-21 15:40:57,535 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 732 777) no Hoare annotation was computed. [2020-07-21 15:40:57,535 INFO L268 CegarLoopResult]: For program point L752(lines 752 759) no Hoare annotation was computed. [2020-07-21 15:40:57,535 INFO L268 CegarLoopResult]: For program point L746(lines 746 766) no Hoare annotation was computed. [2020-07-21 15:40:57,535 INFO L268 CegarLoopResult]: For program point L746-1(lines 746 766) no Hoare annotation was computed. [2020-07-21 15:40:57,535 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-21 15:40:57,535 INFO L268 CegarLoopResult]: For program point L64(lines 64 74) no Hoare annotation was computed. [2020-07-21 15:40:57,536 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1) (or (not (= 0 ~systemActive~0)) .cse2 .cse3) (or .cse0 .cse2 .cse1) (or .cse0 .cse2 .cse3))) [2020-07-21 15:40:57,536 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-07-21 15:40:57,536 INFO L268 CegarLoopResult]: For program point L60(lines 60 77) no Hoare annotation was computed. [2020-07-21 15:40:57,536 INFO L268 CegarLoopResult]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2020-07-21 15:40:57,536 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-21 15:40:57,536 INFO L268 CegarLoopResult]: For program point L58-1(line 58) no Hoare annotation was computed. [2020-07-21 15:40:57,536 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-21 15:40:57,537 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2020-07-21 15:40:57,537 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse2) (or (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1))) [2020-07-21 15:40:57,537 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-21 15:40:57,537 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-21 15:40:57,537 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-21 15:40:57,537 INFO L268 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-07-21 15:40:57,537 INFO L268 CegarLoopResult]: For program point L143-2(lines 143 151) no Hoare annotation was computed. [2020-07-21 15:40:57,537 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 135 157) no Hoare annotation was computed. [2020-07-21 15:40:57,538 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 135 157) no Hoare annotation was computed. [2020-07-21 15:40:57,538 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 135 157) no Hoare annotation was computed. [2020-07-21 15:40:57,538 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 629 731) no Hoare annotation was computed. [2020-07-21 15:40:57,538 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-07-21 15:40:57,538 INFO L268 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-07-21 15:40:57,538 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-07-21 15:40:57,538 INFO L268 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-07-21 15:40:57,538 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-07-21 15:40:57,538 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 629 731) no Hoare annotation was computed. [2020-07-21 15:40:57,538 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 698) no Hoare annotation was computed. [2020-07-21 15:40:57,539 INFO L268 CegarLoopResult]: For program point L699(lines 677 700) no Hoare annotation was computed. [2020-07-21 15:40:57,539 INFO L268 CegarLoopResult]: For program point L658(lines 658 674) no Hoare annotation was computed. [2020-07-21 15:40:57,539 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 629 731) no Hoare annotation was computed. [2020-07-21 15:40:57,539 INFO L268 CegarLoopResult]: For program point L718(lines 718 725) no Hoare annotation was computed. [2020-07-21 15:40:57,539 INFO L268 CegarLoopResult]: For program point L679(lines 678 698) no Hoare annotation was computed. [2020-07-21 15:40:57,539 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-07-21 15:40:57,539 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-07-21 15:40:57,539 INFO L268 CegarLoopResult]: For program point L675(lines 675 716) no Hoare annotation was computed. [2020-07-21 15:40:57,539 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 935 944) no Hoare annotation was computed. [2020-07-21 15:40:57,540 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 935 944) no Hoare annotation was computed. [2020-07-21 15:40:57,540 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 935 944) no Hoare annotation was computed. [2020-07-21 15:40:57,540 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:40:57,540 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-21 15:40:57,540 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:40:57,540 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 344 351) no Hoare annotation was computed. [2020-07-21 15:40:57,540 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 344 351) no Hoare annotation was computed. [2020-07-21 15:40:57,540 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 344 351) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:57,541 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 158 166) no Hoare annotation was computed. [2020-07-21 15:40:57,541 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 158 166) no Hoare annotation was computed. [2020-07-21 15:40:57,541 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 158 166) no Hoare annotation was computed. [2020-07-21 15:40:57,541 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 416 434) no Hoare annotation was computed. [2020-07-21 15:40:57,541 INFO L268 CegarLoopResult]: For program point L425(lines 425 429) no Hoare annotation was computed. [2020-07-21 15:40:57,541 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-21 15:40:57,541 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2020-07-21 15:40:57,541 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-21 15:40:57,541 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 416 434) the Hoare annotation is: true [2020-07-21 15:40:57,541 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 416 434) no Hoare annotation was computed. [2020-07-21 15:40:57,542 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 114 125) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 15:40:57,542 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 114 125) no Hoare annotation was computed. [2020-07-21 15:40:57,542 INFO L268 CegarLoopResult]: For program point L118-1(lines 114 125) no Hoare annotation was computed. [2020-07-21 15:40:57,542 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:40:57,542 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:40:57,542 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:40:57,542 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 126 134) the Hoare annotation is: true [2020-07-21 15:40:57,542 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 126 134) no Hoare annotation was computed. [2020-07-21 15:40:57,543 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 126 134) no Hoare annotation was computed. [2020-07-21 15:40:57,543 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= 0 ~systemActive~0)) .cse0) (or .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 (<= 1 ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 .cse5 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 .cse3 (and .cse5 (<= 1 ~pumpRunning~0))))) [2020-07-21 15:40:57,543 INFO L264 CegarLoopResult]: At program point L272(lines 272 278) the Hoare annotation is: (let ((.cse11 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse12 (<= 1 ~systemActive~0)) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (= 0 ~pumpRunning~0))) (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (and .cse5 .cse13)) (.cse1 (and .cse5 .cse13 .cse7)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not .cse12)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (and .cse11 .cse5 .cse12 .cse6))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7)) (or .cse0 .cse8 .cse9 .cse10) (or .cse0 .cse4 .cse8 .cse2 .cse9) (or .cse1 (not (= 0 ~systemActive~0)) .cse3) (or .cse0 .cse8 (<= 1 ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse8 (not .cse11) .cse10)))) [2020-07-21 15:40:57,543 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 261 284) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= 0 ~pumpRunning~0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 (and .cse4 (<= 1 ~pumpRunning~0) .cse5)) (or (and .cse4 .cse6 .cse5) (not (= 0 ~systemActive~0)) .cse7) (or .cse0 .cse3 .cse7 (and .cse1 .cse4 .cse6 .cse5)))) [2020-07-21 15:40:57,544 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse3 .cse1) (or .cse0 .cse3 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= 1 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))))) [2020-07-21 15:40:57,544 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 261 284) no Hoare annotation was computed. [2020-07-21 15:40:57,544 INFO L268 CegarLoopResult]: For program point L265(lines 264 283) no Hoare annotation was computed. [2020-07-21 15:40:57,544 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 261 284) no Hoare annotation was computed. [2020-07-21 15:40:57,544 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 835 864) no Hoare annotation was computed. [2020-07-21 15:40:57,544 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 835 864) the Hoare annotation is: true [2020-07-21 15:40:57,544 INFO L271 CegarLoopResult]: At program point L860(lines 835 864) the Hoare annotation is: true [2020-07-21 15:40:57,544 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-21 15:40:57,544 INFO L268 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-07-21 15:40:57,544 INFO L271 CegarLoopResult]: At program point L849-1(lines 849 853) the Hoare annotation is: true [2020-07-21 15:40:57,545 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-21 15:40:57,545 INFO L271 CegarLoopResult]: At program point L845-2(lines 845 859) the Hoare annotation is: true [2020-07-21 15:40:57,545 INFO L271 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: true [2020-07-21 15:40:57,545 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-21 15:40:57,545 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 90 101) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~pumpRunning~0)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 15:40:57,545 INFO L268 CegarLoopResult]: For program point L94-1(lines 90 101) no Hoare annotation was computed. [2020-07-21 15:40:57,545 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 90 101) no Hoare annotation was computed. [2020-07-21 15:40:57,545 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 889 895) no Hoare annotation was computed. [2020-07-21 15:40:57,546 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 889 895) the Hoare annotation is: true [2020-07-21 15:40:57,546 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:40:57,546 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 15:40:57,546 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:40:57,546 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:40:57,546 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 450 457) no Hoare annotation was computed. [2020-07-21 15:40:57,546 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 450 457) the Hoare annotation is: true [2020-07-21 15:40:57,546 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 450 457) no Hoare annotation was computed. [2020-07-21 15:40:57,547 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 293 317) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (<= 1 ~pumpRunning~0)))) [2020-07-21 15:40:57,547 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 293 317) no Hoare annotation was computed. [2020-07-21 15:40:57,547 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (<= 1 ~pumpRunning~0)) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:40:57,547 INFO L268 CegarLoopResult]: For program point L312-1(lines 293 317) no Hoare annotation was computed. [2020-07-21 15:40:57,547 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:40:57,547 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:40:57,547 INFO L268 CegarLoopResult]: For program point L301(lines 301 309) no Hoare annotation was computed. [2020-07-21 15:40:57,547 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:40:57,548 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-07-21 15:40:57,548 INFO L268 CegarLoopResult]: For program point L297(lines 297 314) no Hoare annotation was computed. [2020-07-21 15:40:57,548 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 102 113) no Hoare annotation was computed. [2020-07-21 15:40:57,548 INFO L268 CegarLoopResult]: For program point L106-1(lines 102 113) no Hoare annotation was computed. [2020-07-21 15:40:57,548 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 102 113) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (<= 1 ~pumpRunning~0)) .cse3) (or .cse0 (not (= 0 ~systemActive~0)) .cse2 .cse3))) [2020-07-21 15:40:57,548 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 825 832) no Hoare annotation was computed. [2020-07-21 15:40:57,548 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2020-07-21 15:40:57,549 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 825 832) the Hoare annotation is: true [2020-07-21 15:40:57,549 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 825 832) no Hoare annotation was computed. [2020-07-21 15:40:57,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:40:57 BoogieIcfgContainer [2020-07-21 15:40:57,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:40:57,569 INFO L168 Benchmark]: Toolchain (without parser) took 21557.62 ms. Allocated memory was 137.9 MB in the beginning and 506.5 MB in the end (delta: 368.6 MB). Free memory was 100.4 MB in the beginning and 239.0 MB in the end (delta: -138.6 MB). Peak memory consumption was 342.8 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:57,570 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:40:57,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.46 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 100.0 MB in the beginning and 172.2 MB in the end (delta: -72.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:57,571 INFO L168 Benchmark]: Boogie Preprocessor took 85.49 ms. Allocated memory is still 202.9 MB. Free memory was 172.2 MB in the beginning and 167.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:57,572 INFO L168 Benchmark]: RCFGBuilder took 1351.38 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 167.9 MB in the beginning and 198.4 MB in the end (delta: -30.5 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:57,573 INFO L168 Benchmark]: TraceAbstraction took 19438.24 ms. Allocated memory was 234.9 MB in the beginning and 506.5 MB in the end (delta: 271.6 MB). Free memory was 198.4 MB in the beginning and 239.0 MB in the end (delta: -40.5 MB). Peak memory consumption was 343.8 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:57,576 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 676.46 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 100.0 MB in the beginning and 172.2 MB in the end (delta: -72.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.49 ms. Allocated memory is still 202.9 MB. Free memory was 172.2 MB in the beginning and 167.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1351.38 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 167.9 MB in the beginning and 198.4 MB in the end (delta: -30.5 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19438.24 ms. Allocated memory was 234.9 MB in the beginning and 506.5 MB in the end (delta: 271.6 MB). Free memory was 198.4 MB in the beginning and 239.0 MB in the end (delta: -40.5 MB). Peak memory consumption was 343.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 829]: 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: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) <= 1) || (((0 == methAndRunningLastTime && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((splverifierCounter <= 0 && 1 <= systemActive) && 1 <= pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive))) || (((0 == methAndRunningLastTime && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.0s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1999 SDtfs, 1408 SDslu, 2845 SDs, 0 SdLazy, 2032 SolverSat, 536 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1159 GetRequests, 1114 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2306occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 462 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3618 PreInvPairs, 3944 NumberOfFragments, 1856 HoareAnnotationTreeSize, 3618 FomulaSimplifications, 9969 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 64 FomulaSimplificationsInter, 31030 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1149 NumberOfCodeBlocks, 941 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1138 ConstructedInterpolants, 0 QuantifiedInterpolants, 217492 SizeOfPredicates, 26 NumberOfNonLiveVariables, 8553 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 262/262 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...