/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:04:33,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:04:33,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:04:33,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:04:33,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:04:33,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:04:33,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:04:33,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:04:33,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:04:33,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:04:33,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:04:33,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:04:33,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:04:33,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:04:33,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:04:33,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:04:33,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:04:33,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:04:33,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:04:33,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:04:33,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:04:33,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:04:33,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:04:33,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:04:33,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:04:33,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:04:33,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:04:33,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:04:33,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:04:33,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:04:33,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:04:33,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:04:33,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:04:33,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:04:33,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:04:33,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:04:33,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:04:33,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:04:33,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:04:33,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:04:33,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:04:33,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 13:04:33,824 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:04:33,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:04:33,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:04:33,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:04:33,826 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:04:33,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:04:33,827 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:04:33,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:04:33,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:04:33,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:04:33,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:04:33,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:04:33,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:04:33,828 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:04:33,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:04:33,829 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:04:33,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:04:33,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:04:33,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:04:33,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:04:33,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:04:33,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:04:33,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:04:33,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:04:33,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:04:33,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:04:33,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:33,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:04:33,831 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:04:33,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:04:34,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:04:34,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:04:34,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:04:34,183 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:04:34,186 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:04:34,186 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-07-20 13:04:34,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1195d118/25aebf2dd823453c8b377642efa81018/FLAGe230aa159 [2020-07-20 13:04:34,781 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:04:34,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-07-20 13:04:34,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1195d118/25aebf2dd823453c8b377642efa81018/FLAGe230aa159 [2020-07-20 13:04:35,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1195d118/25aebf2dd823453c8b377642efa81018 [2020-07-20 13:04:35,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:04:35,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:04:35,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:04:35,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:04:35,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:04:35,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe45b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35, skipping insertion in model container [2020-07-20 13:04:35,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:04:35,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:04:35,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:04:35,638 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:04:35,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:04:35,782 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:04:35,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35 WrapperNode [2020-07-20 13:04:35,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:04:35,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:04:35,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:04:35,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:04:35,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:04:35,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:04:35,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:04:35,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:04:35,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:04:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:04:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:04:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:04:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:04:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:04:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:04:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:04:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:04:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:04:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:04:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:04:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:04:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:04:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:04:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:04:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:04:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:04:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:04:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:04:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:04:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:04:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:04:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:04:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:04:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:04:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:04:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:04:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:04:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:04:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:04:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:04:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:04:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:04:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:04:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:04:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:04:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:04:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:04:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:04:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:04:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:04:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:04:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:04:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:04:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:04:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:04:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:04:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:04:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:04:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:04:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:04:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:04:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:04:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:04:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:04:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:04:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:04:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:04:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:04:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:04:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:04:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:04:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:04:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:04:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:04:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:04:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:04:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:04:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:04:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:04:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:04:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:04:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:04:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:04:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:04:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:04:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:04:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:04:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:04:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:04:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:04:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:04:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:04:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:04:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:04:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:04:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:04:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:04:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:04:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:04:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:04:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:04:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:04:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:04:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:04:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:04:39,143 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:04:39,144 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:04:39,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:39 BoogieIcfgContainer [2020-07-20 13:04:39,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:04:39,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:04:39,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:04:39,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:04:39,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:35" (1/3) ... [2020-07-20 13:04:39,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90e0880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:39, skipping insertion in model container [2020-07-20 13:04:39,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (2/3) ... [2020-07-20 13:04:39,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90e0880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:39, skipping insertion in model container [2020-07-20 13:04:39,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:39" (3/3) ... [2020-07-20 13:04:39,158 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-07-20 13:04:39,169 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:04:39,177 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:04:39,188 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:04:39,211 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:04:39,211 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:04:39,211 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:04:39,211 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:04:39,212 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:04:39,212 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:04:39,212 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:04:39,212 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:04:39,237 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-07-20 13:04:39,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 13:04:39,247 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:39,248 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:39,249 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:39,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:39,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1109188308, now seen corresponding path program 1 times [2020-07-20 13:04:39,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:39,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003707434] [2020-07-20 13:04:39,265 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:39,749 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:39,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:39,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:04:39,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:39,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:04:39,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:39,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003707434] [2020-07-20 13:04:39,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:39,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:04:39,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761110179] [2020-07-20 13:04:39,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:04:39,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:39,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:04:39,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:04:39,842 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2020-07-20 13:04:39,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:39,896 INFO L93 Difference]: Finished difference Result 276 states and 339 transitions. [2020-07-20 13:04:39,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:04:39,898 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 13:04:39,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:39,913 INFO L225 Difference]: With dead ends: 276 [2020-07-20 13:04:39,914 INFO L226 Difference]: Without dead ends: 140 [2020-07-20 13:04:39,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:04:39,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-07-20 13:04:39,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-07-20 13:04:39,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-20 13:04:39,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 163 transitions. [2020-07-20 13:04:39,980 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 163 transitions. Word has length 59 [2020-07-20 13:04:39,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:39,981 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 163 transitions. [2020-07-20 13:04:39,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:04:39,981 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2020-07-20 13:04:39,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 13:04:39,985 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:39,986 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:40,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:40,200 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:40,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:40,201 INFO L82 PathProgramCache]: Analyzing trace with hash 813843432, now seen corresponding path program 1 times [2020-07-20 13:04:40,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:40,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833154527] [2020-07-20 13:04:40,203 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:40,653 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:40,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:40,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:04:40,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:40,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:04:40,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:40,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833154527] [2020-07-20 13:04:40,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:40,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:40,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884842166] [2020-07-20 13:04:40,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:40,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:40,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:40,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:40,704 INFO L87 Difference]: Start difference. First operand 140 states and 163 transitions. Second operand 3 states. [2020-07-20 13:04:40,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:40,729 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2020-07-20 13:04:40,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:40,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 13:04:40,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:40,732 INFO L225 Difference]: With dead ends: 221 [2020-07-20 13:04:40,732 INFO L226 Difference]: Without dead ends: 131 [2020-07-20 13:04:40,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:40,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-20 13:04:40,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-07-20 13:04:40,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-20 13:04:40,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2020-07-20 13:04:40,748 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 60 [2020-07-20 13:04:40,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:40,748 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2020-07-20 13:04:40,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:40,749 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2020-07-20 13:04:40,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 13:04:40,751 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:40,752 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:40,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:40,967 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:40,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:40,968 INFO L82 PathProgramCache]: Analyzing trace with hash 605286682, now seen corresponding path program 1 times [2020-07-20 13:04:40,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:40,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1021996418] [2020-07-20 13:04:40,970 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:41,351 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:41,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:41,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:04:41,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:41,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:41,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1021996418] [2020-07-20 13:04:41,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:41,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:41,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670495093] [2020-07-20 13:04:41,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:41,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:41,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:41,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:41,393 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 3 states. [2020-07-20 13:04:41,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:41,414 INFO L93 Difference]: Finished difference Result 234 states and 275 transitions. [2020-07-20 13:04:41,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:41,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 13:04:41,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:41,417 INFO L225 Difference]: With dead ends: 234 [2020-07-20 13:04:41,417 INFO L226 Difference]: Without dead ends: 131 [2020-07-20 13:04:41,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:41,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-20 13:04:41,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-07-20 13:04:41,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-20 13:04:41,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 150 transitions. [2020-07-20 13:04:41,432 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 150 transitions. Word has length 65 [2020-07-20 13:04:41,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:41,434 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 150 transitions. [2020-07-20 13:04:41,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:41,435 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 150 transitions. [2020-07-20 13:04:41,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-20 13:04:41,437 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:41,437 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:41,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:41,651 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:41,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:41,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1239264208, now seen corresponding path program 1 times [2020-07-20 13:04:41,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:41,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745786516] [2020-07-20 13:04:41,654 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:42,118 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:42,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:42,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:04:42,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:42,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:42,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:42,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745786516] [2020-07-20 13:04:42,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:42,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:42,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788450347] [2020-07-20 13:04:42,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:42,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:42,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:42,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:42,190 INFO L87 Difference]: Start difference. First operand 131 states and 150 transitions. Second operand 6 states. [2020-07-20 13:04:43,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:43,070 INFO L93 Difference]: Finished difference Result 321 states and 387 transitions. [2020-07-20 13:04:43,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:04:43,071 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2020-07-20 13:04:43,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:43,076 INFO L225 Difference]: With dead ends: 321 [2020-07-20 13:04:43,076 INFO L226 Difference]: Without dead ends: 218 [2020-07-20 13:04:43,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:04:43,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-07-20 13:04:43,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 202. [2020-07-20 13:04:43,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-20 13:04:43,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 228 transitions. [2020-07-20 13:04:43,106 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 228 transitions. Word has length 78 [2020-07-20 13:04:43,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:43,107 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 228 transitions. [2020-07-20 13:04:43,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:43,107 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 228 transitions. [2020-07-20 13:04:43,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 13:04:43,109 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:43,109 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:43,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:43,318 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:43,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:43,319 INFO L82 PathProgramCache]: Analyzing trace with hash 462053503, now seen corresponding path program 1 times [2020-07-20 13:04:43,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:43,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535274348] [2020-07-20 13:04:43,320 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:43,729 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:43,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:43,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:04:43,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:43,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:43,784 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:43,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535274348] [2020-07-20 13:04:43,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:43,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:43,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854470701] [2020-07-20 13:04:43,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:43,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:43,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:43,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:43,789 INFO L87 Difference]: Start difference. First operand 202 states and 228 transitions. Second operand 6 states. [2020-07-20 13:04:44,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:44,037 INFO L93 Difference]: Finished difference Result 379 states and 436 transitions. [2020-07-20 13:04:44,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:04:44,037 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-20 13:04:44,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:44,041 INFO L225 Difference]: With dead ends: 379 [2020-07-20 13:04:44,041 INFO L226 Difference]: Without dead ends: 205 [2020-07-20 13:04:44,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:04:44,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-07-20 13:04:44,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 201. [2020-07-20 13:04:44,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-07-20 13:04:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 225 transitions. [2020-07-20 13:04:44,082 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 225 transitions. Word has length 92 [2020-07-20 13:04:44,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:44,083 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 225 transitions. [2020-07-20 13:04:44,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:44,083 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 225 transitions. [2020-07-20 13:04:44,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 13:04:44,085 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:44,085 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:44,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:44,302 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:44,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:44,303 INFO L82 PathProgramCache]: Analyzing trace with hash -440444759, now seen corresponding path program 1 times [2020-07-20 13:04:44,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:44,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [440618207] [2020-07-20 13:04:44,305 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:44,639 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:44,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:44,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:04:44,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:44,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:44,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:44,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [440618207] [2020-07-20 13:04:44,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:44,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:44,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068840002] [2020-07-20 13:04:44,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:44,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:44,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:44,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:44,682 INFO L87 Difference]: Start difference. First operand 201 states and 225 transitions. Second operand 6 states. [2020-07-20 13:04:44,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:44,753 INFO L93 Difference]: Finished difference Result 379 states and 431 transitions. [2020-07-20 13:04:44,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:04:44,754 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-07-20 13:04:44,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:44,759 INFO L225 Difference]: With dead ends: 379 [2020-07-20 13:04:44,760 INFO L226 Difference]: Without dead ends: 206 [2020-07-20 13:04:44,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:04:44,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-07-20 13:04:44,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-07-20 13:04:44,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-07-20 13:04:44,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 230 transitions. [2020-07-20 13:04:44,796 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 230 transitions. Word has length 93 [2020-07-20 13:04:44,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:44,798 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 230 transitions. [2020-07-20 13:04:44,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:44,800 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 230 transitions. [2020-07-20 13:04:44,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 13:04:44,803 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:44,804 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:45,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:45,018 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:45,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:45,019 INFO L82 PathProgramCache]: Analyzing trace with hash 261155115, now seen corresponding path program 1 times [2020-07-20 13:04:45,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:45,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639683885] [2020-07-20 13:04:45,021 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:45,321 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:45,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:45,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:04:45,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:45,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:45,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:45,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639683885] [2020-07-20 13:04:45,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:45,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:04:45,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251558770] [2020-07-20 13:04:45,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:04:45,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:45,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:04:45,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:04:45,372 INFO L87 Difference]: Start difference. First operand 206 states and 230 transitions. Second operand 5 states. [2020-07-20 13:04:45,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:45,404 INFO L93 Difference]: Finished difference Result 391 states and 447 transitions. [2020-07-20 13:04:45,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:04:45,407 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-07-20 13:04:45,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:45,410 INFO L225 Difference]: With dead ends: 391 [2020-07-20 13:04:45,410 INFO L226 Difference]: Without dead ends: 213 [2020-07-20 13:04:45,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:04:45,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-07-20 13:04:45,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 210. [2020-07-20 13:04:45,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-07-20 13:04:45,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 234 transitions. [2020-07-20 13:04:45,433 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 234 transitions. Word has length 93 [2020-07-20 13:04:45,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:45,434 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 234 transitions. [2020-07-20 13:04:45,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:04:45,434 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 234 transitions. [2020-07-20 13:04:45,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 13:04:45,437 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:45,437 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:45,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:45,650 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:45,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:45,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1986636012, now seen corresponding path program 1 times [2020-07-20 13:04:45,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:45,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769843988] [2020-07-20 13:04:45,653 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:46,013 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:46,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:46,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:04:46,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:46,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:46,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:46,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769843988] [2020-07-20 13:04:46,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:46,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:46,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188988787] [2020-07-20 13:04:46,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:46,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:46,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:46,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:46,055 INFO L87 Difference]: Start difference. First operand 210 states and 234 transitions. Second operand 3 states. [2020-07-20 13:04:46,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:46,097 INFO L93 Difference]: Finished difference Result 546 states and 636 transitions. [2020-07-20 13:04:46,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:46,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-07-20 13:04:46,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:46,101 INFO L225 Difference]: With dead ends: 546 [2020-07-20 13:04:46,101 INFO L226 Difference]: Without dead ends: 364 [2020-07-20 13:04:46,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:46,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-07-20 13:04:46,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 361. [2020-07-20 13:04:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2020-07-20 13:04:46,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 414 transitions. [2020-07-20 13:04:46,138 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 414 transitions. Word has length 93 [2020-07-20 13:04:46,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:46,139 INFO L479 AbstractCegarLoop]: Abstraction has 361 states and 414 transitions. [2020-07-20 13:04:46,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 414 transitions. [2020-07-20 13:04:46,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-20 13:04:46,141 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:46,142 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:46,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:46,356 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:46,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:46,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1429929390, now seen corresponding path program 1 times [2020-07-20 13:04:46,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:46,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672749274] [2020-07-20 13:04:46,359 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:46,763 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:46,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:46,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 13:04:46,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:46,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:46,874 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:46,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672749274] [2020-07-20 13:04:46,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:46,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 13:04:46,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541355723] [2020-07-20 13:04:46,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:04:46,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:46,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:04:46,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:04:46,876 INFO L87 Difference]: Start difference. First operand 361 states and 414 transitions. Second operand 10 states. [2020-07-20 13:04:48,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:48,212 INFO L93 Difference]: Finished difference Result 1002 states and 1307 transitions. [2020-07-20 13:04:48,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 13:04:48,213 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 97 [2020-07-20 13:04:48,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:48,219 INFO L225 Difference]: With dead ends: 1002 [2020-07-20 13:04:48,219 INFO L226 Difference]: Without dead ends: 669 [2020-07-20 13:04:48,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-20 13:04:48,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2020-07-20 13:04:48,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 495. [2020-07-20 13:04:48,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-07-20 13:04:48,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 577 transitions. [2020-07-20 13:04:48,283 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 577 transitions. Word has length 97 [2020-07-20 13:04:48,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:48,284 INFO L479 AbstractCegarLoop]: Abstraction has 495 states and 577 transitions. [2020-07-20 13:04:48,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:04:48,284 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 577 transitions. [2020-07-20 13:04:48,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-20 13:04:48,290 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:48,291 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:48,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:48,504 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:48,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:48,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1557984819, now seen corresponding path program 1 times [2020-07-20 13:04:48,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:48,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62207484] [2020-07-20 13:04:48,506 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:48,854 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:48,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:48,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:04:48,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:48,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:04:49,365 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 13:04:49,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62207484] [2020-07-20 13:04:49,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:04:49,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 13:04:49,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678546841] [2020-07-20 13:04:49,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:04:49,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:49,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:04:49,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:04:49,368 INFO L87 Difference]: Start difference. First operand 495 states and 577 transitions. Second operand 10 states. [2020-07-20 13:04:50,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:50,216 INFO L93 Difference]: Finished difference Result 603 states and 716 transitions. [2020-07-20 13:04:50,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 13:04:50,217 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-07-20 13:04:50,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:50,218 INFO L225 Difference]: With dead ends: 603 [2020-07-20 13:04:50,218 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:04:50,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 301 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 13:04:50,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:04:50,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:04:50,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:04:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:04:50,224 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2020-07-20 13:04:50,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:50,224 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:04:50,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:04:50,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:04:50,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:04:50,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:50,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:04:51,656 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-20 13:04:51,969 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2020-07-20 13:04:52,170 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2020-07-20 13:04:52,451 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-20 13:04:52,650 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-20 13:04:53,153 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 39 [2020-07-20 13:04:53,343 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-20 13:04:53,447 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2020-07-20 13:04:53,654 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2020-07-20 13:04:54,082 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-20 13:04:54,229 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2020-07-20 13:04:54,332 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2020-07-20 13:04:54,473 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2020-07-20 13:04:54,905 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-07-20 13:04:55,070 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-20 13:04:55,195 INFO L268 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-07-20 13:04:55,195 INFO L268 CegarLoopResult]: For program point L289-1(lines 289 293) no Hoare annotation was computed. [2020-07-20 13:04:55,195 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-20 13:04:55,195 INFO L268 CegarLoopResult]: For program point L283-2(lines 283 304) no Hoare annotation was computed. [2020-07-20 13:04:55,196 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 258 313) no Hoare annotation was computed. [2020-07-20 13:04:55,196 INFO L268 CegarLoopResult]: For program point L305(lines 282 306) no Hoare annotation was computed. [2020-07-20 13:04:55,196 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 258 313) no Hoare annotation was computed. [2020-07-20 13:04:55,196 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 258 313) no Hoare annotation was computed. [2020-07-20 13:04:55,196 INFO L268 CegarLoopResult]: For program point L346(lines 346 350) no Hoare annotation was computed. [2020-07-20 13:04:55,196 INFO L268 CegarLoopResult]: For program point L346-1(lines 346 350) no Hoare annotation was computed. [2020-07-20 13:04:55,196 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 314 373) no Hoare annotation was computed. [2020-07-20 13:04:55,196 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-20 13:04:55,196 INFO L268 CegarLoopResult]: For program point L340-2(lines 340 365) no Hoare annotation was computed. [2020-07-20 13:04:55,196 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 314 373) no Hoare annotation was computed. [2020-07-20 13:04:55,197 INFO L268 CegarLoopResult]: For program point L366(lines 339 367) no Hoare annotation was computed. [2020-07-20 13:04:55,197 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 314 373) no Hoare annotation was computed. [2020-07-20 13:04:55,197 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-07-20 13:04:55,197 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-07-20 13:04:55,198 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2020-07-20 13:04:55,198 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2020-07-20 13:04:55,198 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2020-07-20 13:04:55,198 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2020-07-20 13:04:55,198 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2020-07-20 13:04:55,198 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 158 165) the Hoare annotation is: true [2020-07-20 13:04:55,198 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 158 165) no Hoare annotation was computed. [2020-07-20 13:04:55,198 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 158 165) no Hoare annotation was computed. [2020-07-20 13:04:55,199 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 166 175) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 13:04:55,199 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-07-20 13:04:55,199 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 166 175) no Hoare annotation was computed. [2020-07-20 13:04:55,199 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 166 175) no Hoare annotation was computed. [2020-07-20 13:04:55,199 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-20 13:04:55,199 INFO L268 CegarLoopResult]: For program point L189(lines 189 195) no Hoare annotation was computed. [2020-07-20 13:04:55,200 INFO L268 CegarLoopResult]: For program point L188(lines 188 198) no Hoare annotation was computed. [2020-07-20 13:04:55,200 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 13:04:55,200 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-07-20 13:04:55,200 INFO L268 CegarLoopResult]: For program point L184(lines 184 201) no Hoare annotation was computed. [2020-07-20 13:04:55,200 INFO L268 CegarLoopResult]: For program point L184-1(lines 176 204) no Hoare annotation was computed. [2020-07-20 13:04:55,200 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-07-20 13:04:55,200 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-20 13:04:55,201 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 176 204) the Hoare annotation is: true [2020-07-20 13:04:55,201 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 176 204) no Hoare annotation was computed. [2020-07-20 13:04:55,201 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 131 153) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,201 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 131 153) no Hoare annotation was computed. [2020-07-20 13:04:55,201 INFO L264 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,201 INFO L264 CegarLoopResult]: At program point L143-1(line 143) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,201 INFO L268 CegarLoopResult]: For program point L141(lines 141 148) no Hoare annotation was computed. [2020-07-20 13:04:55,202 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 131 153) no Hoare annotation was computed. [2020-07-20 13:04:55,202 INFO L268 CegarLoopResult]: For program point L141-1(lines 141 148) no Hoare annotation was computed. [2020-07-20 13:04:55,202 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 13:04:55,202 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,202 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,202 INFO L264 CegarLoopResult]: At program point L137-1(line 137) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,202 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 13:04:55,202 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-07-20 13:04:55,203 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 84 107) no Hoare annotation was computed. [2020-07-20 13:04:55,203 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-07-20 13:04:55,203 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 13:04:55,203 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 13:04:55,203 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 84 107) no Hoare annotation was computed. [2020-07-20 13:04:55,203 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-20 13:04:55,203 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 84 107) no Hoare annotation was computed. [2020-07-20 13:04:55,203 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 13:04:55,203 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 13:04:55,204 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-20 13:04:55,204 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-07-20 13:04:55,204 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-07-20 13:04:55,204 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 13:04:55,204 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-07-20 13:04:55,204 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-07-20 13:04:55,204 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 789 797) no Hoare annotation was computed. [2020-07-20 13:04:55,204 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 789 797) the Hoare annotation is: true [2020-07-20 13:04:55,204 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 789 797) no Hoare annotation was computed. [2020-07-20 13:04:55,205 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-20 13:04:55,205 INFO L268 CegarLoopResult]: For program point L828-1(line 828) no Hoare annotation was computed. [2020-07-20 13:04:55,205 INFO L268 CegarLoopResult]: For program point L817(lines 817 825) no Hoare annotation was computed. [2020-07-20 13:04:55,205 INFO L268 CegarLoopResult]: For program point L817-2(lines 817 825) no Hoare annotation was computed. [2020-07-20 13:04:55,205 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 798 833) no Hoare annotation was computed. [2020-07-20 13:04:55,205 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 798 833) no Hoare annotation was computed. [2020-07-20 13:04:55,205 INFO L268 CegarLoopResult]: For program point L805(lines 805 813) no Hoare annotation was computed. [2020-07-20 13:04:55,205 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 813) no Hoare annotation was computed. [2020-07-20 13:04:55,205 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 798 833) no Hoare annotation was computed. [2020-07-20 13:04:55,206 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2020-07-20 13:04:55,206 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2020-07-20 13:04:55,206 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 212 257) no Hoare annotation was computed. [2020-07-20 13:04:55,206 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 212 257) no Hoare annotation was computed. [2020-07-20 13:04:55,206 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 212 257) no Hoare annotation was computed. [2020-07-20 13:04:55,206 INFO L268 CegarLoopResult]: For program point L545(lines 545 552) no Hoare annotation was computed. [2020-07-20 13:04:55,206 INFO L268 CegarLoopResult]: For program point L539(lines 539 559) no Hoare annotation was computed. [2020-07-20 13:04:55,206 INFO L268 CegarLoopResult]: For program point L539-1(lines 539 559) no Hoare annotation was computed. [2020-07-20 13:04:55,207 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 525 570) no Hoare annotation was computed. [2020-07-20 13:04:55,207 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 525 570) no Hoare annotation was computed. [2020-07-20 13:04:55,207 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 525 570) no Hoare annotation was computed. [2020-07-20 13:04:55,207 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 117 127) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,207 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 117 127) no Hoare annotation was computed. [2020-07-20 13:04:55,207 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,207 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 117 127) no Hoare annotation was computed. [2020-07-20 13:04:55,208 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 778 788) the Hoare annotation is: true [2020-07-20 13:04:55,208 INFO L271 CegarLoopResult]: At program point L783(line 783) the Hoare annotation is: true [2020-07-20 13:04:55,208 INFO L268 CegarLoopResult]: For program point L783-1(line 783) no Hoare annotation was computed. [2020-07-20 13:04:55,208 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 778 788) no Hoare annotation was computed. [2020-07-20 13:04:55,208 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 778 788) no Hoare annotation was computed. [2020-07-20 13:04:55,208 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 770 777) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-20 13:04:55,208 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 770 777) no Hoare annotation was computed. [2020-07-20 13:04:55,209 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 770 777) no Hoare annotation was computed. [2020-07-20 13:04:55,209 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 655 668) no Hoare annotation was computed. [2020-07-20 13:04:55,209 INFO L268 CegarLoopResult]: For program point L659(lines 659 665) no Hoare annotation was computed. [2020-07-20 13:04:55,209 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 655 668) the Hoare annotation is: true [2020-07-20 13:04:55,209 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 655 668) no Hoare annotation was computed. [2020-07-20 13:04:55,209 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 737 761) no Hoare annotation was computed. [2020-07-20 13:04:55,209 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:04:55,210 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 737 761) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:04:55,210 INFO L268 CegarLoopResult]: For program point L756-1(lines 737 761) no Hoare annotation was computed. [2020-07-20 13:04:55,210 INFO L264 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:04:55,210 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:04:55,210 INFO L268 CegarLoopResult]: For program point L745(lines 745 753) no Hoare annotation was computed. [2020-07-20 13:04:55,210 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:04:55,211 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-07-20 13:04:55,211 INFO L268 CegarLoopResult]: For program point L741(lines 741 758) no Hoare annotation was computed. [2020-07-20 13:04:55,211 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 703 709) no Hoare annotation was computed. [2020-07-20 13:04:55,211 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 703 709) the Hoare annotation is: true [2020-07-20 13:04:55,211 INFO L264 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:04:55,211 INFO L264 CegarLoopResult]: At program point testENTRY(lines 897 962) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,211 INFO L268 CegarLoopResult]: For program point L927(lines 927 933) no Hoare annotation was computed. [2020-07-20 13:04:55,211 INFO L268 CegarLoopResult]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2020-07-20 13:04:55,212 INFO L264 CegarLoopResult]: At program point L952(lines 907 954) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:04:55,212 INFO L264 CegarLoopResult]: At program point L919(line 919) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:04:55,212 INFO L268 CegarLoopResult]: For program point testFINAL(lines 897 962) no Hoare annotation was computed. [2020-07-20 13:04:55,212 INFO L268 CegarLoopResult]: For program point L917(lines 917 923) no Hoare annotation was computed. [2020-07-20 13:04:55,212 INFO L268 CegarLoopResult]: For program point L917-1(lines 917 923) no Hoare annotation was computed. [2020-07-20 13:04:55,212 INFO L268 CegarLoopResult]: For program point L909(lines 909 913) no Hoare annotation was computed. [2020-07-20 13:04:55,213 INFO L264 CegarLoopResult]: At program point L955(lines 906 956) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,213 INFO L268 CegarLoopResult]: For program point L945(lines 945 949) no Hoare annotation was computed. [2020-07-20 13:04:55,213 INFO L264 CegarLoopResult]: At program point L945-2(lines 937 950) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:04:55,213 INFO L268 CegarLoopResult]: For program point L908(lines 907 954) no Hoare annotation was computed. [2020-07-20 13:04:55,213 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:04:55,213 INFO L268 CegarLoopResult]: For program point L937(lines 937 950) no Hoare annotation was computed. [2020-07-20 13:04:55,213 INFO L268 CegarLoopResult]: For program point testEXIT(lines 897 962) no Hoare annotation was computed. [2020-07-20 13:04:55,214 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 479 524) no Hoare annotation was computed. [2020-07-20 13:04:55,214 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 479 524) no Hoare annotation was computed. [2020-07-20 13:04:55,214 INFO L268 CegarLoopResult]: For program point L499(lines 499 506) no Hoare annotation was computed. [2020-07-20 13:04:55,214 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 479 524) no Hoare annotation was computed. [2020-07-20 13:04:55,214 INFO L268 CegarLoopResult]: For program point L493(lines 493 513) no Hoare annotation was computed. [2020-07-20 13:04:55,214 INFO L268 CegarLoopResult]: For program point L493-1(lines 493 513) no Hoare annotation was computed. [2020-07-20 13:04:55,214 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 623 645) no Hoare annotation was computed. [2020-07-20 13:04:55,215 INFO L268 CegarLoopResult]: For program point L631(lines 631 639) no Hoare annotation was computed. [2020-07-20 13:04:55,215 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 623 645) no Hoare annotation was computed. [2020-07-20 13:04:55,215 INFO L268 CegarLoopResult]: For program point L631-2(lines 631 639) no Hoare annotation was computed. [2020-07-20 13:04:55,215 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 623 645) no Hoare annotation was computed. [2020-07-20 13:04:55,215 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 376 478) no Hoare annotation was computed. [2020-07-20 13:04:55,215 INFO L268 CegarLoopResult]: For program point L446(lines 424 447) no Hoare annotation was computed. [2020-07-20 13:04:55,215 INFO L268 CegarLoopResult]: For program point L405(lines 405 421) no Hoare annotation was computed. [2020-07-20 13:04:55,215 INFO L268 CegarLoopResult]: For program point L465(lines 465 472) no Hoare annotation was computed. [2020-07-20 13:04:55,215 INFO L268 CegarLoopResult]: For program point L426(lines 425 445) no Hoare annotation was computed. [2020-07-20 13:04:55,216 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 13:04:55,216 INFO L268 CegarLoopResult]: For program point L457-1(line 457) no Hoare annotation was computed. [2020-07-20 13:04:55,216 INFO L268 CegarLoopResult]: For program point L422(lines 422 463) no Hoare annotation was computed. [2020-07-20 13:04:55,216 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 376 478) no Hoare annotation was computed. [2020-07-20 13:04:55,216 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-07-20 13:04:55,216 INFO L268 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2020-07-20 13:04:55,216 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 376 478) no Hoare annotation was computed. [2020-07-20 13:04:55,216 INFO L268 CegarLoopResult]: For program point L400(lines 400 404) no Hoare annotation was computed. [2020-07-20 13:04:55,216 INFO L268 CegarLoopResult]: For program point L464(lines 464 475) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point L427(lines 427 431) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 445) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 762 769) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:04:55,218 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 646 654) the Hoare annotation is: true [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 646 654) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 646 654) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 834 852) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point L843(lines 843 847) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L271 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: true [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point L843-2(lines 843 847) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 834 852) the Hoare annotation is: true [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 834 852) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 602 613) the Hoare annotation is: true [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 602 613) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:04:55,220 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:04:55,220 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:04:55,220 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse1 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse1 .cse4 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse5)))) [2020-07-20 13:04:55,220 INFO L264 CegarLoopResult]: At program point L690(lines 690 696) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (<= 1 ~switchedOnBeforeTS~0) .cse10)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 (and .cse6 .cse7)) (let ((.cse8 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse8 .cse6 .cse7) .cse5 .cse4 .cse9 (and .cse8 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse9)))) [2020-07-20 13:04:55,220 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 676 702) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-20 13:04:55,221 INFO L264 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse4 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 13:04:55,221 INFO L268 CegarLoopResult]: For program point L683(lines 679 701) no Hoare annotation was computed. [2020-07-20 13:04:55,221 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 676 702) no Hoare annotation was computed. [2020-07-20 13:04:55,221 INFO L268 CegarLoopResult]: For program point L681(lines 679 701) no Hoare annotation was computed. [2020-07-20 13:04:55,221 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 676 702) no Hoare annotation was computed. [2020-07-20 13:04:55,221 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-20 13:04:55,222 INFO L271 CegarLoopResult]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2020-07-20 13:04:55,222 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2020-07-20 13:04:55,222 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-07-20 13:04:55,222 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2020-07-20 13:04:55,222 INFO L271 CegarLoopResult]: At program point L61-2(lines 61 75) the Hoare annotation is: true [2020-07-20 13:04:55,222 INFO L271 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: true [2020-07-20 13:04:55,222 INFO L268 CegarLoopResult]: For program point L57-1(line 57) no Hoare annotation was computed. [2020-07-20 13:04:55,222 INFO L271 CegarLoopResult]: At program point L76(lines 51 80) the Hoare annotation is: true [2020-07-20 13:04:55,222 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-07-20 13:04:55,222 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 614 622) the Hoare annotation is: true [2020-07-20 13:04:55,223 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 614 622) no Hoare annotation was computed. [2020-07-20 13:04:55,223 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 614 622) no Hoare annotation was computed. [2020-07-20 13:04:55,223 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 578 589) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) (or .cse0 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3))) [2020-07-20 13:04:55,223 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 578 589) no Hoare annotation was computed. [2020-07-20 13:04:55,223 INFO L268 CegarLoopResult]: For program point L582-1(lines 578 589) no Hoare annotation was computed. [2020-07-20 13:04:55,223 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2020-07-20 13:04:55,223 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2020-07-20 13:04:55,223 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:04:55,224 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:04:55,224 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:04:55,224 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:04:55,224 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 853 860) no Hoare annotation was computed. [2020-07-20 13:04:55,224 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 853 860) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse2 (<= 1 ~systemActive~0))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse3 .cse2))) [2020-07-20 13:04:55,224 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 853 860) no Hoare annotation was computed. [2020-07-20 13:04:55,224 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 711 735) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:04:55,224 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 711 735) no Hoare annotation was computed. [2020-07-20 13:04:55,225 INFO L264 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:04:55,225 INFO L268 CegarLoopResult]: For program point L730-1(lines 711 735) no Hoare annotation was computed. [2020-07-20 13:04:55,225 INFO L264 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0))))) [2020-07-20 13:04:55,225 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:04:55,225 INFO L268 CegarLoopResult]: For program point L719(lines 719 727) no Hoare annotation was computed. [2020-07-20 13:04:55,225 INFO L264 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:04:55,225 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-07-20 13:04:55,226 INFO L268 CegarLoopResult]: For program point L715(lines 715 732) no Hoare annotation was computed. [2020-07-20 13:04:55,226 INFO L268 CegarLoopResult]: For program point L594-1(lines 590 601) no Hoare annotation was computed. [2020-07-20 13:04:55,226 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 590 601) no Hoare annotation was computed. [2020-07-20 13:04:55,226 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 590 601) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-20 13:04:55,226 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:04:55,226 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 13:04:55,226 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 13:04:55,226 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:04:55,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:04:55 BoogieIcfgContainer [2020-07-20 13:04:55,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:04:55,257 INFO L168 Benchmark]: Toolchain (without parser) took 20136.11 ms. Allocated memory was 136.8 MB in the beginning and 405.3 MB in the end (delta: 268.4 MB). Free memory was 99.0 MB in the beginning and 327.8 MB in the end (delta: -228.8 MB). Peak memory consumption was 286.5 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:55,257 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 136.8 MB. Free memory is still 118.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 13:04:55,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.95 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 98.6 MB in the beginning and 168.8 MB in the end (delta: -70.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:55,267 INFO L168 Benchmark]: Boogie Preprocessor took 88.93 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 164.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:55,269 INFO L168 Benchmark]: RCFGBuilder took 3277.31 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 164.8 MB in the beginning and 193.2 MB in the end (delta: -28.4 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:55,272 INFO L168 Benchmark]: TraceAbstraction took 16103.39 ms. Allocated memory was 231.2 MB in the beginning and 405.3 MB in the end (delta: 174.1 MB). Free memory was 193.2 MB in the beginning and 327.8 MB in the end (delta: -134.7 MB). Peak memory consumption was 286.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:55,274 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 136.8 MB. Free memory is still 118.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.95 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 98.6 MB in the beginning and 168.8 MB in the end (delta: -70.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.93 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 164.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3277.31 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 164.8 MB in the beginning and 193.2 MB in the end (delta: -28.4 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16103.39 ms. Allocated memory was 231.2 MB in the beginning and 405.3 MB in the end (delta: 174.1 MB). Free memory was 193.2 MB in the beginning and 327.8 MB in the end (delta: -134.7 MB). Peak memory consumption was 286.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1820 SDtfs, 1173 SDslu, 3041 SDs, 0 SdLazy, 1743 SolverSat, 457 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1058 GetRequests, 996 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=495occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 200 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 842 PreInvPairs, 926 NumberOfFragments, 1723 HoareAnnotationTreeSize, 842 FomulaSimplifications, 1731 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 63 FomulaSimplificationsInter, 7857 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 887 NumberOfCodeBlocks, 798 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1033 ConstructedInterpolants, 0 QuantifiedInterpolants, 206778 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7546 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 91/113 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...