/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:54:03,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:54:03,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:54:03,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:54:03,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:54:03,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:54:03,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:54:03,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:54:03,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:54:03,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:54:03,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:54:03,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:54:03,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:54:03,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:54:03,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:54:03,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:54:03,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:54:03,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:54:03,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:54:03,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:54:03,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:54:03,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:54:03,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:54:03,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:54:03,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:54:03,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:54:03,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:54:03,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:54:03,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:54:03,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:54:03,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:54:03,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:54:03,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:54:03,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:54:03,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:54:03,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:54:03,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:54:03,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:54:03,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:54:03,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:54:03,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:54:03,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 12:54:03,853 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:54:03,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:54:03,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:54:03,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:54:03,855 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:54:03,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:54:03,856 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:54:03,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:54:03,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:54:03,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:54:03,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:54:03,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:54:03,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:54:03,860 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:54:03,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:54:03,860 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:54:03,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:54:03,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:54:03,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:54:03,861 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:54:03,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:54:03,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:54:03,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:54:03,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:54:03,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:54:03,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:54:03,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:03,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:54:03,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:54:03,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 12:54:04,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:54:04,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:54:04,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:54:04,235 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:54:04,235 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:54:04,236 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2020-07-21 12:54:04,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86f0e0a0/419e1f740c924b828c5c897ef159a4c3/FLAG6937b8610 [2020-07-21 12:54:04,797 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:54:04,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2020-07-21 12:54:04,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86f0e0a0/419e1f740c924b828c5c897ef159a4c3/FLAG6937b8610 [2020-07-21 12:54:05,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86f0e0a0/419e1f740c924b828c5c897ef159a4c3 [2020-07-21 12:54:05,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:54:05,093 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:54:05,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:05,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:54:05,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:54:05,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@665b56b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05, skipping insertion in model container [2020-07-21 12:54:05,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:54:05,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:54:05,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:05,574 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:54:05,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:05,826 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:54:05,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05 WrapperNode [2020-07-21 12:54:05,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:05,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:54:05,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:54:05,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:54:05,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:54:05,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:54:05,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:54:05,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:54:05,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:54:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:54:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:54:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:54:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:54:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:54:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:54:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:54:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:54:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:54:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:54:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:54:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:54:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:54:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:54:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:54:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:54:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:54:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:54:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:54:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:54:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:54:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:54:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:54:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:54:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:54:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:54:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:54:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:54:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:54:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:54:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:54:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:54:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 12:54:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:54:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:54:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:54:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:54:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:54:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:54:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:54:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:54:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:54:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:54:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:54:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:54:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:54:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:54:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:54:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:54:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:54:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:54:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:54:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:54:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:54:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:54:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:54:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:54:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:54:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:54:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:54:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:54:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:54:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:54:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:54:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 12:54:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:54:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:54:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:54:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:54:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:54:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:54:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:54:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:54:05,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:05,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:05,994 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:54:05,994 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:54:05,994 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:54:05,994 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:54:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:54:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:54:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:54:07,058 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:54:07,059 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:54:07,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:07 BoogieIcfgContainer [2020-07-21 12:54:07,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:54:07,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:54:07,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:54:07,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:54:07,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:54:05" (1/3) ... [2020-07-21 12:54:07,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8003337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:07, skipping insertion in model container [2020-07-21 12:54:07,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (2/3) ... [2020-07-21 12:54:07,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8003337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:07, skipping insertion in model container [2020-07-21 12:54:07,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:07" (3/3) ... [2020-07-21 12:54:07,082 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2020-07-21 12:54:07,092 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:54:07,101 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:54:07,118 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:54:07,150 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:54:07,151 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:54:07,151 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:54:07,151 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:54:07,151 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:54:07,152 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:54:07,152 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:54:07,152 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:54:07,187 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-07-21 12:54:07,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 12:54:07,204 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:07,205 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] [2020-07-21 12:54:07,206 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:07,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:07,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1963515353, now seen corresponding path program 1 times [2020-07-21 12:54:07,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:07,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1563383505] [2020-07-21 12:54:07,225 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:07,615 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:07,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:07,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:54:07,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:54:07,661 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:07,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1563383505] [2020-07-21 12:54:07,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:07,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:54:07,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199339930] [2020-07-21 12:54:07,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:54:07,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:07,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:54:07,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:54:07,685 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2020-07-21 12:54:07,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:07,724 INFO L93 Difference]: Finished difference Result 244 states and 303 transitions. [2020-07-21 12:54:07,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:54:07,726 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 12:54:07,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:07,738 INFO L225 Difference]: With dead ends: 244 [2020-07-21 12:54:07,738 INFO L226 Difference]: Without dead ends: 124 [2020-07-21 12:54:07,743 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 [2020-07-21 12:54:07,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-07-21 12:54:07,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-07-21 12:54:07,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-07-21 12:54:07,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2020-07-21 12:54:07,797 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 59 [2020-07-21 12:54:07,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:07,798 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2020-07-21 12:54:07,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:54:07,798 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2020-07-21 12:54:07,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 12:54:07,802 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:07,802 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] [2020-07-21 12:54:08,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:08,018 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:08,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:08,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1851002156, now seen corresponding path program 1 times [2020-07-21 12:54:08,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:08,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [337020352] [2020-07-21 12:54:08,019 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:08,391 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:08,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:08,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:08,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:08,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:08,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:08,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [337020352] [2020-07-21 12:54:08,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:08,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:08,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740210851] [2020-07-21 12:54:08,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:08,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:08,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:08,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:08,457 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand 3 states. [2020-07-21 12:54:08,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:08,497 INFO L93 Difference]: Finished difference Result 314 states and 381 transitions. [2020-07-21 12:54:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:08,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-21 12:54:08,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:08,502 INFO L225 Difference]: With dead ends: 314 [2020-07-21 12:54:08,502 INFO L226 Difference]: Without dead ends: 218 [2020-07-21 12:54:08,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:08,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-07-21 12:54:08,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 208. [2020-07-21 12:54:08,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-07-21 12:54:08,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 249 transitions. [2020-07-21 12:54:08,542 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 249 transitions. Word has length 64 [2020-07-21 12:54:08,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:08,543 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 249 transitions. [2020-07-21 12:54:08,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:08,543 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 249 transitions. [2020-07-21 12:54:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-21 12:54:08,552 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:08,553 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] [2020-07-21 12:54:08,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:08,767 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:08,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:08,767 INFO L82 PathProgramCache]: Analyzing trace with hash 2013051811, now seen corresponding path program 1 times [2020-07-21 12:54:08,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:08,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353862894] [2020-07-21 12:54:08,768 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:09,079 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:09,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:09,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 12:54:09,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:09,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:09,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [353862894] [2020-07-21 12:54:09,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:09,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 12:54:09,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867080458] [2020-07-21 12:54:09,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 12:54:09,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:09,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 12:54:09,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:54:09,146 INFO L87 Difference]: Start difference. First operand 208 states and 249 transitions. Second operand 7 states. [2020-07-21 12:54:09,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:09,873 INFO L93 Difference]: Finished difference Result 578 states and 766 transitions. [2020-07-21 12:54:09,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 12:54:09,873 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-07-21 12:54:09,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:09,879 INFO L225 Difference]: With dead ends: 578 [2020-07-21 12:54:09,879 INFO L226 Difference]: Without dead ends: 398 [2020-07-21 12:54:09,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 12:54:09,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-07-21 12:54:09,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 341. [2020-07-21 12:54:09,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-07-21 12:54:09,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 426 transitions. [2020-07-21 12:54:09,930 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 426 transitions. Word has length 72 [2020-07-21 12:54:09,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:09,931 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 426 transitions. [2020-07-21 12:54:09,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 12:54:09,931 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 426 transitions. [2020-07-21 12:54:09,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-21 12:54:09,934 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:09,934 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:10,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:10,148 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:10,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:10,150 INFO L82 PathProgramCache]: Analyzing trace with hash 455917845, now seen corresponding path program 1 times [2020-07-21 12:54:10,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:10,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [357798047] [2020-07-21 12:54:10,151 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:10,469 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:10,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:10,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:54:10,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:54:10,509 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:10,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [357798047] [2020-07-21 12:54:10,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:10,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:10,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497913682] [2020-07-21 12:54:10,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:10,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:10,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:10,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:10,512 INFO L87 Difference]: Start difference. First operand 341 states and 426 transitions. Second operand 3 states. [2020-07-21 12:54:10,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:10,532 INFO L93 Difference]: Finished difference Result 532 states and 642 transitions. [2020-07-21 12:54:10,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:10,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-07-21 12:54:10,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:10,536 INFO L225 Difference]: With dead ends: 532 [2020-07-21 12:54:10,536 INFO L226 Difference]: Without dead ends: 305 [2020-07-21 12:54:10,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:10,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-07-21 12:54:10,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-07-21 12:54:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-07-21 12:54:10,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 366 transitions. [2020-07-21 12:54:10,585 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 366 transitions. Word has length 83 [2020-07-21 12:54:10,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:10,586 INFO L479 AbstractCegarLoop]: Abstraction has 305 states and 366 transitions. [2020-07-21 12:54:10,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:10,586 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 366 transitions. [2020-07-21 12:54:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-21 12:54:10,593 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:10,593 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] [2020-07-21 12:54:10,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:10,809 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:10,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:10,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1418290782, now seen corresponding path program 1 times [2020-07-21 12:54:10,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:10,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017974067] [2020-07-21 12:54:10,812 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:11,050 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:11,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:11,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:54:11,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:11,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:11,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017974067] [2020-07-21 12:54:11,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:11,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:11,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75658441] [2020-07-21 12:54:11,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:11,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:11,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:11,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:11,090 INFO L87 Difference]: Start difference. First operand 305 states and 366 transitions. Second operand 3 states. [2020-07-21 12:54:11,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:11,138 INFO L93 Difference]: Finished difference Result 851 states and 1090 transitions. [2020-07-21 12:54:11,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:11,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-07-21 12:54:11,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:11,143 INFO L225 Difference]: With dead ends: 851 [2020-07-21 12:54:11,143 INFO L226 Difference]: Without dead ends: 574 [2020-07-21 12:54:11,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:11,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2020-07-21 12:54:11,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 571. [2020-07-21 12:54:11,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-07-21 12:54:11,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 716 transitions. [2020-07-21 12:54:11,185 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 716 transitions. Word has length 87 [2020-07-21 12:54:11,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:11,186 INFO L479 AbstractCegarLoop]: Abstraction has 571 states and 716 transitions. [2020-07-21 12:54:11,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 716 transitions. [2020-07-21 12:54:11,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-21 12:54:11,189 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:11,189 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] [2020-07-21 12:54:11,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:11,404 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:11,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:11,405 INFO L82 PathProgramCache]: Analyzing trace with hash 765386145, now seen corresponding path program 1 times [2020-07-21 12:54:11,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:11,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262040362] [2020-07-21 12:54:11,407 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:11,668 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:11,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:11,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:11,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:11,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:11,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:11,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262040362] [2020-07-21 12:54:11,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:11,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:11,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695410478] [2020-07-21 12:54:11,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:11,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:11,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:11,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:11,747 INFO L87 Difference]: Start difference. First operand 571 states and 716 transitions. Second operand 6 states. [2020-07-21 12:54:11,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:11,798 INFO L93 Difference]: Finished difference Result 1134 states and 1454 transitions. [2020-07-21 12:54:11,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:54:11,799 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2020-07-21 12:54:11,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:11,803 INFO L225 Difference]: With dead ends: 1134 [2020-07-21 12:54:11,803 INFO L226 Difference]: Without dead ends: 591 [2020-07-21 12:54:11,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:54:11,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2020-07-21 12:54:11,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2020-07-21 12:54:11,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-07-21 12:54:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 738 transitions. [2020-07-21 12:54:11,840 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 738 transitions. Word has length 87 [2020-07-21 12:54:11,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:11,841 INFO L479 AbstractCegarLoop]: Abstraction has 591 states and 738 transitions. [2020-07-21 12:54:11,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:11,841 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 738 transitions. [2020-07-21 12:54:11,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-21 12:54:11,843 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:11,844 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] [2020-07-21 12:54:12,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:12,058 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:12,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:12,059 INFO L82 PathProgramCache]: Analyzing trace with hash -2143377757, now seen corresponding path program 1 times [2020-07-21 12:54:12,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:12,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [255681000] [2020-07-21 12:54:12,061 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:12,342 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:12,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:12,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:54:12,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:12,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:12,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:12,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [255681000] [2020-07-21 12:54:12,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:12,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:54:12,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030802787] [2020-07-21 12:54:12,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:54:12,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:12,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:54:12,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:12,387 INFO L87 Difference]: Start difference. First operand 591 states and 738 transitions. Second operand 5 states. [2020-07-21 12:54:12,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:12,425 INFO L93 Difference]: Finished difference Result 1126 states and 1438 transitions. [2020-07-21 12:54:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:54:12,426 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 87 [2020-07-21 12:54:12,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:12,433 INFO L225 Difference]: With dead ends: 1126 [2020-07-21 12:54:12,433 INFO L226 Difference]: Without dead ends: 563 [2020-07-21 12:54:12,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:12,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-07-21 12:54:12,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2020-07-21 12:54:12,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-07-21 12:54:12,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 690 transitions. [2020-07-21 12:54:12,469 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 690 transitions. Word has length 87 [2020-07-21 12:54:12,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:12,469 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 690 transitions. [2020-07-21 12:54:12,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:54:12,470 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 690 transitions. [2020-07-21 12:54:12,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-21 12:54:12,473 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:12,473 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] [2020-07-21 12:54:12,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:12,687 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:12,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:12,687 INFO L82 PathProgramCache]: Analyzing trace with hash 858193610, now seen corresponding path program 1 times [2020-07-21 12:54:12,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:12,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846650693] [2020-07-21 12:54:12,689 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:12,981 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:12,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:12,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 12:54:12,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:13,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:13,098 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:13,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846650693] [2020-07-21 12:54:13,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:13,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 12:54:13,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492056345] [2020-07-21 12:54:13,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:13,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:13,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:13,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:13,100 INFO L87 Difference]: Start difference. First operand 563 states and 690 transitions. Second operand 10 states. [2020-07-21 12:54:14,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:14,445 INFO L93 Difference]: Finished difference Result 1654 states and 2314 transitions. [2020-07-21 12:54:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 12:54:14,446 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-07-21 12:54:14,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:14,488 INFO L225 Difference]: With dead ends: 1654 [2020-07-21 12:54:14,488 INFO L226 Difference]: Without dead ends: 1119 [2020-07-21 12:54:14,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-21 12:54:14,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2020-07-21 12:54:14,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 815. [2020-07-21 12:54:14,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2020-07-21 12:54:14,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1006 transitions. [2020-07-21 12:54:14,547 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1006 transitions. Word has length 91 [2020-07-21 12:54:14,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:14,548 INFO L479 AbstractCegarLoop]: Abstraction has 815 states and 1006 transitions. [2020-07-21 12:54:14,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:14,548 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1006 transitions. [2020-07-21 12:54:14,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-21 12:54:14,551 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:14,551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:14,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:14,766 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:14,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:14,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1610034481, now seen corresponding path program 1 times [2020-07-21 12:54:14,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:14,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634837128] [2020-07-21 12:54:14,767 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:15,044 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:15,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:15,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:15,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:15,137 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:15,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:54:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-21 12:54:15,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634837128] [2020-07-21 12:54:15,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:54:15,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 12:54:15,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527487350] [2020-07-21 12:54:15,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:15,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:15,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:15,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:15,425 INFO L87 Difference]: Start difference. First operand 815 states and 1006 transitions. Second operand 10 states. [2020-07-21 12:54:16,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:16,265 INFO L93 Difference]: Finished difference Result 1670 states and 2083 transitions. [2020-07-21 12:54:16,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 12:54:16,265 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 132 [2020-07-21 12:54:16,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:16,267 INFO L225 Difference]: With dead ends: 1670 [2020-07-21 12:54:16,267 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:54:16,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 251 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 12:54:16,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:54:16,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:54:16,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:54:16,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:54:16,275 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 132 [2020-07-21 12:54:16,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:16,276 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:54:16,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:16,276 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:54:16,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:54:16,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:16,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:54:18,235 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 31 [2020-07-21 12:54:18,598 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2020-07-21 12:54:19,013 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 36 [2020-07-21 12:54:19,285 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2020-07-21 12:54:19,750 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2020-07-21 12:54:19,914 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2020-07-21 12:54:20,600 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 37 [2020-07-21 12:54:20,931 INFO L268 CegarLoopResult]: For program point L254(lines 231 255) no Hoare annotation was computed. [2020-07-21 12:54:20,931 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 207 262) no Hoare annotation was computed. [2020-07-21 12:54:20,931 INFO L268 CegarLoopResult]: For program point L238(lines 238 242) no Hoare annotation was computed. [2020-07-21 12:54:20,932 INFO L268 CegarLoopResult]: For program point L238-1(lines 238 242) no Hoare annotation was computed. [2020-07-21 12:54:20,932 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-21 12:54:20,932 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 207 262) no Hoare annotation was computed. [2020-07-21 12:54:20,932 INFO L268 CegarLoopResult]: For program point L232-2(lines 232 253) no Hoare annotation was computed. [2020-07-21 12:54:20,932 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 207 262) no Hoare annotation was computed. [2020-07-21 12:54:20,932 INFO L268 CegarLoopResult]: For program point L289-2(lines 289 314) no Hoare annotation was computed. [2020-07-21 12:54:20,932 INFO L268 CegarLoopResult]: For program point L315(lines 288 316) no Hoare annotation was computed. [2020-07-21 12:54:20,933 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 263 322) no Hoare annotation was computed. [2020-07-21 12:54:20,933 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-07-21 12:54:20,933 INFO L268 CegarLoopResult]: For program point L308-1(line 308) no Hoare annotation was computed. [2020-07-21 12:54:20,933 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 263 322) no Hoare annotation was computed. [2020-07-21 12:54:20,933 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 263 322) no Hoare annotation was computed. [2020-07-21 12:54:20,933 INFO L268 CegarLoopResult]: For program point L295(lines 295 299) no Hoare annotation was computed. [2020-07-21 12:54:20,934 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 299) no Hoare annotation was computed. [2020-07-21 12:54:20,934 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-07-21 12:54:20,934 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 539 545) the Hoare annotation is: true [2020-07-21 12:54:20,934 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 539 545) no Hoare annotation was computed. [2020-07-21 12:54:20,934 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 546 554) no Hoare annotation was computed. [2020-07-21 12:54:20,934 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 546 554) the Hoare annotation is: true [2020-07-21 12:54:20,935 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 546 554) no Hoare annotation was computed. [2020-07-21 12:54:20,935 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 899 906) the Hoare annotation is: true [2020-07-21 12:54:20,935 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 899 906) no Hoare annotation was computed. [2020-07-21 12:54:20,935 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 899 906) no Hoare annotation was computed. [2020-07-21 12:54:20,935 INFO L268 CegarLoopResult]: For program point L912(line 912) no Hoare annotation was computed. [2020-07-21 12:54:20,935 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 907 916) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-21 12:54:20,936 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 907 916) no Hoare annotation was computed. [2020-07-21 12:54:20,936 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 907 916) no Hoare annotation was computed. [2020-07-21 12:54:20,936 INFO L268 CegarLoopResult]: For program point L929(lines 929 939) no Hoare annotation was computed. [2020-07-21 12:54:20,936 INFO L264 CegarLoopResult]: At program point L927(line 927) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 12:54:20,936 INFO L268 CegarLoopResult]: For program point L927-1(line 927) no Hoare annotation was computed. [2020-07-21 12:54:20,936 INFO L268 CegarLoopResult]: For program point L925(lines 925 942) no Hoare annotation was computed. [2020-07-21 12:54:20,937 INFO L268 CegarLoopResult]: For program point L925-1(lines 917 945) no Hoare annotation was computed. [2020-07-21 12:54:20,937 INFO L271 CegarLoopResult]: At program point L923(line 923) the Hoare annotation is: true [2020-07-21 12:54:20,937 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-07-21 12:54:20,937 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 917 945) the Hoare annotation is: true [2020-07-21 12:54:20,937 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 917 945) no Hoare annotation was computed. [2020-07-21 12:54:20,938 INFO L264 CegarLoopResult]: At program point L932(line 932) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0))) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1))) [2020-07-21 12:54:20,938 INFO L268 CegarLoopResult]: For program point L930(lines 930 936) no Hoare annotation was computed. [2020-07-21 12:54:20,938 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)|))) [2020-07-21 12:54:20,938 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 131 153) no Hoare annotation was computed. [2020-07-21 12:54:20,938 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)|))) [2020-07-21 12:54:20,939 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)|))) [2020-07-21 12:54:20,939 INFO L268 CegarLoopResult]: For program point L141(lines 141 148) no Hoare annotation was computed. [2020-07-21 12:54:20,939 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 131 153) no Hoare annotation was computed. [2020-07-21 12:54:20,939 INFO L268 CegarLoopResult]: For program point L141-1(lines 141 148) no Hoare annotation was computed. [2020-07-21 12:54:20,939 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 12:54:20,939 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)|))) [2020-07-21 12:54:20,939 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)|))) [2020-07-21 12:54:20,940 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)|))) [2020-07-21 12:54:20,940 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-21 12:54:20,940 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-07-21 12:54:20,940 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 84 107) no Hoare annotation was computed. [2020-07-21 12:54:20,940 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-07-21 12:54:20,940 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-21 12:54:20,941 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-21 12:54:20,941 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 84 107) no Hoare annotation was computed. [2020-07-21 12:54:20,941 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-21 12:54:20,941 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 84 107) no Hoare annotation was computed. [2020-07-21 12:54:20,941 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 12:54:20,941 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-21 12:54:20,941 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-21 12:54:20,942 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-07-21 12:54:20,942 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-07-21 12:54:20,942 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 12:54:20,942 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-07-21 12:54:20,942 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-07-21 12:54:20,942 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 882 896) no Hoare annotation was computed. [2020-07-21 12:54:20,942 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (or .cse2 (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:20,943 INFO L268 CegarLoopResult]: For program point L886(lines 886 892) no Hoare annotation was computed. [2020-07-21 12:54:20,943 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 882 896) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:20,943 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 882 896) no Hoare annotation was computed. [2020-07-21 12:54:20,943 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 818 826) no Hoare annotation was computed. [2020-07-21 12:54:20,943 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 818 826) the Hoare annotation is: true [2020-07-21 12:54:20,944 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 818 826) no Hoare annotation was computed. [2020-07-21 12:54:20,944 INFO L268 CegarLoopResult]: For program point L834-2(lines 834 842) no Hoare annotation was computed. [2020-07-21 12:54:20,944 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-21 12:54:20,944 INFO L268 CegarLoopResult]: For program point L857-1(line 857) no Hoare annotation was computed. [2020-07-21 12:54:20,944 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 827 862) no Hoare annotation was computed. [2020-07-21 12:54:20,944 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-07-21 12:54:20,944 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-07-21 12:54:20,944 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 827 862) no Hoare annotation was computed. [2020-07-21 12:54:20,944 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 827 862) no Hoare annotation was computed. [2020-07-21 12:54:20,944 INFO L268 CegarLoopResult]: For program point L834(lines 834 842) no Hoare annotation was computed. [2020-07-21 12:54:20,944 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 532 538) no Hoare annotation was computed. [2020-07-21 12:54:20,944 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 532 538) the Hoare annotation is: true [2020-07-21 12:54:20,945 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 161 206) no Hoare annotation was computed. [2020-07-21 12:54:20,945 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 161 206) no Hoare annotation was computed. [2020-07-21 12:54:20,945 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 161 206) no Hoare annotation was computed. [2020-07-21 12:54:20,945 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 474 519) no Hoare annotation was computed. [2020-07-21 12:54:20,945 INFO L268 CegarLoopResult]: For program point L494(lines 494 501) no Hoare annotation was computed. [2020-07-21 12:54:20,945 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 474 519) no Hoare annotation was computed. [2020-07-21 12:54:20,945 INFO L268 CegarLoopResult]: For program point L488(lines 488 508) no Hoare annotation was computed. [2020-07-21 12:54:20,945 INFO L268 CegarLoopResult]: For program point L488-1(lines 488 508) no Hoare annotation was computed. [2020-07-21 12:54:20,945 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 474 519) no Hoare annotation was computed. [2020-07-21 12:54:20,946 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)|))) [2020-07-21 12:54:20,946 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 117 127) no Hoare annotation was computed. [2020-07-21 12:54:20,946 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)|))) [2020-07-21 12:54:20,946 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 117 127) no Hoare annotation was computed. [2020-07-21 12:54:20,946 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 807 817) no Hoare annotation was computed. [2020-07-21 12:54:20,946 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-07-21 12:54:20,946 INFO L268 CegarLoopResult]: For program point L812-1(line 812) no Hoare annotation was computed. [2020-07-21 12:54:20,947 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 807 817) no Hoare annotation was computed. [2020-07-21 12:54:20,947 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 807 817) no Hoare annotation was computed. [2020-07-21 12:54:20,947 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 799 806) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-21 12:54:20,947 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 799 806) no Hoare annotation was computed. [2020-07-21 12:54:20,947 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 799 806) no Hoare annotation was computed. [2020-07-21 12:54:20,947 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-07-21 12:54:20,947 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 708 721) no Hoare annotation was computed. [2020-07-21 12:54:20,947 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 708 721) the Hoare annotation is: true [2020-07-21 12:54:20,948 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 708 721) no Hoare annotation was computed. [2020-07-21 12:54:20,948 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 766 790) no Hoare annotation was computed. [2020-07-21 12:54:20,948 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 766 790) the Hoare annotation is: (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:20,948 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)))) [2020-07-21 12:54:20,948 INFO L268 CegarLoopResult]: For program point L785-1(lines 766 790) no Hoare annotation was computed. [2020-07-21 12:54:20,948 INFO L264 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or (and (= 0 ~pumpRunning~0) (= 0 processEnvironment_~tmp~5)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))) [2020-07-21 12:54:20,949 INFO L264 CegarLoopResult]: At program point L776(line 776) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0) (or .cse1 .cse0) (or (not (<= ~waterLevel~0 2)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:20,949 INFO L268 CegarLoopResult]: For program point L774(lines 774 782) no Hoare annotation was computed. [2020-07-21 12:54:20,949 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:20,949 INFO L268 CegarLoopResult]: For program point L772-1(line 772) no Hoare annotation was computed. [2020-07-21 12:54:20,949 INFO L268 CegarLoopResult]: For program point L770(lines 770 787) no Hoare annotation was computed. [2020-07-21 12:54:20,949 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 758 764) no Hoare annotation was computed. [2020-07-21 12:54:20,949 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 758 764) the Hoare annotation is: true [2020-07-21 12:54:20,950 INFO L264 CegarLoopResult]: At program point testENTRY(lines 557 622) 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)|))) [2020-07-21 12:54:20,950 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:54:20,950 INFO L268 CegarLoopResult]: For program point L603(lines 603 609) no Hoare annotation was computed. [2020-07-21 12:54:20,950 INFO L264 CegarLoopResult]: At program point L603-1(lines 597 610) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:54:20,950 INFO L268 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-07-21 12:54:20,950 INFO L268 CegarLoopResult]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2020-07-21 12:54:20,951 INFO L268 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-07-21 12:54:20,951 INFO L264 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:54:20,951 INFO L268 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-07-21 12:54:20,951 INFO L268 CegarLoopResult]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2020-07-21 12:54:20,951 INFO L264 CegarLoopResult]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:54:20,951 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:54:20,952 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-07-21 12:54:20,952 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2020-07-21 12:54:20,952 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-07-21 12:54:20,952 INFO L264 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:20,952 INFO L268 CegarLoopResult]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2020-07-21 12:54:20,952 INFO L268 CegarLoopResult]: For program point L448(lines 448 455) no Hoare annotation was computed. [2020-07-21 12:54:20,952 INFO L268 CegarLoopResult]: For program point L442(lines 442 462) no Hoare annotation was computed. [2020-07-21 12:54:20,952 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 428 473) no Hoare annotation was computed. [2020-07-21 12:54:20,953 INFO L268 CegarLoopResult]: For program point L442-1(lines 442 462) no Hoare annotation was computed. [2020-07-21 12:54:20,953 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 428 473) no Hoare annotation was computed. [2020-07-21 12:54:20,953 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 428 473) no Hoare annotation was computed. [2020-07-21 12:54:20,953 INFO L268 CegarLoopResult]: For program point L684(lines 684 692) no Hoare annotation was computed. [2020-07-21 12:54:20,953 INFO L268 CegarLoopResult]: For program point L684-2(lines 684 692) no Hoare annotation was computed. [2020-07-21 12:54:20,953 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 676 698) no Hoare annotation was computed. [2020-07-21 12:54:20,953 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 676 698) no Hoare annotation was computed. [2020-07-21 12:54:20,953 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 676 698) no Hoare annotation was computed. [2020-07-21 12:54:20,954 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 325 427) no Hoare annotation was computed. [2020-07-21 12:54:20,954 INFO L268 CegarLoopResult]: For program point L349(lines 349 353) no Hoare annotation was computed. [2020-07-21 12:54:20,954 INFO L268 CegarLoopResult]: For program point L413(lines 413 424) no Hoare annotation was computed. [2020-07-21 12:54:20,954 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-07-21 12:54:20,954 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 394) no Hoare annotation was computed. [2020-07-21 12:54:20,954 INFO L268 CegarLoopResult]: For program point L395(lines 373 396) no Hoare annotation was computed. [2020-07-21 12:54:20,954 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 325 427) no Hoare annotation was computed. [2020-07-21 12:54:20,954 INFO L268 CegarLoopResult]: For program point L354(lines 354 370) no Hoare annotation was computed. [2020-07-21 12:54:20,955 INFO L268 CegarLoopResult]: For program point L414(lines 414 421) no Hoare annotation was computed. [2020-07-21 12:54:20,955 INFO L268 CegarLoopResult]: For program point L375(lines 374 394) no Hoare annotation was computed. [2020-07-21 12:54:20,955 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-07-21 12:54:20,955 INFO L268 CegarLoopResult]: For program point L406-1(line 406) no Hoare annotation was computed. [2020-07-21 12:54:20,955 INFO L268 CegarLoopResult]: For program point L371(lines 371 412) no Hoare annotation was computed. [2020-07-21 12:54:20,955 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 325 427) no Hoare annotation was computed. [2020-07-21 12:54:20,955 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-07-21 12:54:20,955 INFO L268 CegarLoopResult]: For program point L390-1(line 390) no Hoare annotation was computed. [2020-07-21 12:54:20,955 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 522 531) no Hoare annotation was computed. [2020-07-21 12:54:20,956 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 522 531) no Hoare annotation was computed. [2020-07-21 12:54:20,956 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 522 531) no Hoare annotation was computed. [2020-07-21 12:54:20,956 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:20,956 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)|)) [2020-07-21 12:54:20,956 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:20,956 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 791 798) no Hoare annotation was computed. [2020-07-21 12:54:20,956 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 791 798) no Hoare annotation was computed. [2020-07-21 12:54:20,956 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 791 798) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 12:54:20,957 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 699 707) the Hoare annotation is: true [2020-07-21 12:54:20,957 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 699 707) no Hoare annotation was computed. [2020-07-21 12:54:20,957 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 699 707) no Hoare annotation was computed. [2020-07-21 12:54:20,957 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 863 881) no Hoare annotation was computed. [2020-07-21 12:54:20,957 INFO L268 CegarLoopResult]: For program point L872(lines 872 876) no Hoare annotation was computed. [2020-07-21 12:54:20,957 INFO L271 CegarLoopResult]: At program point L870(line 870) the Hoare annotation is: true [2020-07-21 12:54:20,957 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 876) no Hoare annotation was computed. [2020-07-21 12:54:20,958 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 863 881) the Hoare annotation is: true [2020-07-21 12:54:20,958 INFO L268 CegarLoopResult]: For program point L870-1(line 870) no Hoare annotation was computed. [2020-07-21 12:54:20,958 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 863 881) no Hoare annotation was computed. [2020-07-21 12:54:20,958 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 655 666) the Hoare annotation is: true [2020-07-21 12:54:20,958 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 655 666) no Hoare annotation was computed. [2020-07-21 12:54:20,958 INFO L268 CegarLoopResult]: For program point L659-1(lines 655 666) no Hoare annotation was computed. [2020-07-21 12:54:20,958 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:20,958 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:54:20,959 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:20,959 INFO L268 CegarLoopResult]: For program point L736(lines 734 756) no Hoare annotation was computed. [2020-07-21 12:54:20,959 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 731 757) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 .cse2)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse1 .cse3) .cse4 .cse5) (or .cse0 (and .cse6 .cse7 .cse2) .cse5 .cse8) (or (and .cse6 .cse3 .cse7) .cse4 .cse5 .cse8) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse5))) [2020-07-21 12:54:20,959 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 .cse2)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse3 .cse4 .cse5) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse2) .cse5 .cse6) (or .cse3 .cse4 .cse5 .cse6)))) [2020-07-21 12:54:20,959 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 731 757) no Hoare annotation was computed. [2020-07-21 12:54:20,960 INFO L264 CegarLoopResult]: At program point L745(lines 745 751) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 .cse2)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse5 .cse6) (let ((.cse7 (<= 2 ~waterLevel~0))) (or (and .cse7 .cse1 .cse2) .cse0 (and .cse7 .cse1 (<= 1 ~pumpRunning~0)) .cse5 .cse6))))) [2020-07-21 12:54:20,960 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 731 757) no Hoare annotation was computed. [2020-07-21 12:54:20,960 INFO L264 CegarLoopResult]: At program point L740(line 740) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) .cse2 .cse3) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3) (or .cse2 (and .cse0 (<= 2 ~waterLevel~0) .cse1 (<= ~waterLevel~0 2)) .cse3 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 12:54:20,960 INFO L268 CegarLoopResult]: For program point L738(lines 734 756) no Hoare annotation was computed. [2020-07-21 12:54:20,960 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-21 12:54:20,960 INFO L271 CegarLoopResult]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2020-07-21 12:54:20,961 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2020-07-21 12:54:20,961 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-07-21 12:54:20,961 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2020-07-21 12:54:20,961 INFO L271 CegarLoopResult]: At program point L61-2(lines 61 75) the Hoare annotation is: true [2020-07-21 12:54:20,961 INFO L271 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: true [2020-07-21 12:54:20,961 INFO L268 CegarLoopResult]: For program point L57-1(line 57) no Hoare annotation was computed. [2020-07-21 12:54:20,961 INFO L271 CegarLoopResult]: At program point L76(lines 51 80) the Hoare annotation is: true [2020-07-21 12:54:20,961 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-07-21 12:54:20,961 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 667 675) no Hoare annotation was computed. [2020-07-21 12:54:20,962 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 667 675) no Hoare annotation was computed. [2020-07-21 12:54:20,962 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 667 675) no Hoare annotation was computed. [2020-07-21 12:54:20,962 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 631 642) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or (<= ~waterLevel~0 2) .cse0 .cse1 .cse2) (or (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2))) [2020-07-21 12:54:20,962 INFO L268 CegarLoopResult]: For program point L635-1(lines 631 642) no Hoare annotation was computed. [2020-07-21 12:54:20,962 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 631 642) no Hoare annotation was computed. [2020-07-21 12:54:20,962 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2020-07-21 12:54:20,963 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2020-07-21 12:54:20,963 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:20,963 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:54:20,963 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:54:20,963 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:20,963 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 643 654) no Hoare annotation was computed. [2020-07-21 12:54:20,963 INFO L268 CegarLoopResult]: For program point L647-1(lines 643 654) no Hoare annotation was computed. [2020-07-21 12:54:20,964 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 643 654) the Hoare annotation is: (let ((.cse3 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse4 .cse2 .cse6) (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5))) [2020-07-21 12:54:20,964 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-21 12:54:20,964 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-21 12:54:20,964 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-21 12:54:20,964 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-21 12:54:20,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:54:20 BoogieIcfgContainer [2020-07-21 12:54:20,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:54:20,985 INFO L168 Benchmark]: Toolchain (without parser) took 15892.09 ms. Allocated memory was 144.7 MB in the beginning and 400.6 MB in the end (delta: 255.9 MB). Free memory was 101.9 MB in the beginning and 96.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 261.6 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:20,985 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 12:54:20,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.24 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.5 MB in the beginning and 171.8 MB in the end (delta: -70.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:20,987 INFO L168 Benchmark]: Boogie Preprocessor took 84.52 ms. Allocated memory is still 201.9 MB. Free memory was 171.8 MB in the beginning and 167.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:20,988 INFO L168 Benchmark]: RCFGBuilder took 1154.78 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 167.6 MB in the beginning and 197.9 MB in the end (delta: -30.4 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:20,989 INFO L168 Benchmark]: TraceAbstraction took 13913.42 ms. Allocated memory was 234.4 MB in the beginning and 400.6 MB in the end (delta: 166.2 MB). Free memory was 196.5 MB in the beginning and 96.7 MB in the end (delta: 99.8 MB). Peak memory consumption was 266.5 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:20,993 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.24 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.5 MB in the beginning and 171.8 MB in the end (delta: -70.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.52 ms. Allocated memory is still 201.9 MB. Free memory was 171.8 MB in the beginning and 167.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1154.78 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 167.6 MB in the beginning and 197.9 MB in the end (delta: -30.4 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13913.42 ms. Allocated memory was 234.4 MB in the beginning and 400.6 MB in the end (delta: 166.2 MB). Free memory was 196.5 MB in the beginning and 96.7 MB in the end (delta: 99.8 MB). Peak memory consumption was 266.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning) || !(\old(waterLevel) <= 1)) || !(0 == \old(pumpRunning))) || ((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0)) || (((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.3s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1419 SDtfs, 987 SDslu, 2592 SDs, 0 SdLazy, 1788 SolverSat, 422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 912 GetRequests, 850 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=815occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 374 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1651 PreInvPairs, 1785 NumberOfFragments, 1358 HoareAnnotationTreeSize, 1651 FomulaSimplifications, 2770 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 56 FomulaSimplificationsInter, 9668 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 762 NumberOfCodeBlocks, 762 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 884 ConstructedInterpolants, 0 QuantifiedInterpolants, 155796 SizeOfPredicates, 26 NumberOfNonLiveVariables, 6846 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 76/90 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...