/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:41:31,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:41:31,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:41:31,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:41:31,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:41:31,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:41:31,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:41:31,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:41:31,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:41:31,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:41:31,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:41:31,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:41:31,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:41:31,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:41:31,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:41:31,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:41:31,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:41:31,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:41:31,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:41:31,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:41:31,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:41:31,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:41:31,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:41:31,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:41:31,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:41:31,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:41:31,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:41:31,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:41:31,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:41:31,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:41:31,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:41:31,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:41:31,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:41:31,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:41:31,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:41:31,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:41:31,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:41:31,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:41:31,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:41:31,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:41:31,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:41:31,914 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 15:41:31,941 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:41:31,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:41:31,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:41:31,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:41:31,946 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:41:31,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:41:31,946 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:41:31,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:41:31,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:41:31,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:41:31,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:41:31,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:41:31,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:41:31,949 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:41:31,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:41:31,949 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:41:31,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:41:31,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:41:31,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:41:31,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:41:31,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:41:31,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:41:31,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:41:31,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:41:31,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:41:31,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:41:31,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:31,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:41:31,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:41:31,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 15:41:32,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:41:32,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:41:32,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:41:32,288 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:41:32,288 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:41:32,289 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-07-21 15:41:32,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb227eaf6/56ba3db560b747bfad4791530e7ec33b/FLAG9a8708c6c [2020-07-21 15:41:32,807 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:41:32,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-07-21 15:41:32,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb227eaf6/56ba3db560b747bfad4791530e7ec33b/FLAG9a8708c6c [2020-07-21 15:41:33,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb227eaf6/56ba3db560b747bfad4791530e7ec33b [2020-07-21 15:41:33,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:41:33,124 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:41:33,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:41:33,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:41:33,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:41:33,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:41:33" (1/1) ... [2020-07-21 15:41:33,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5eedb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:33, skipping insertion in model container [2020-07-21 15:41:33,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:41:33" (1/1) ... [2020-07-21 15:41:33,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:41:33,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:41:33,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:41:33,698 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:41:33,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:41:33,825 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:41:33,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:33 WrapperNode [2020-07-21 15:41:33,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:41:33,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:41:33,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:41:33,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:41:33,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:33" (1/1) ... [2020-07-21 15:41:33,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:33" (1/1) ... [2020-07-21 15:41:33,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:33" (1/1) ... [2020-07-21 15:41:33,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:33" (1/1) ... [2020-07-21 15:41:33,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:33" (1/1) ... [2020-07-21 15:41:33,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:33" (1/1) ... [2020-07-21 15:41:33,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:33" (1/1) ... [2020-07-21 15:41:33,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:41:33,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:41:33,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:41:33,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:41:33,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:41:34,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:41:34,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:41:34,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:41:34,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:41:34,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:41:34,021 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:41:34,021 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:41:34,021 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:41:34,022 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:41:34,022 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:41:34,023 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-21 15:41:34,023 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:41:34,023 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:41:34,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:41:34,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:41:34,024 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:41:34,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 15:41:34,025 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:41:34,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-21 15:41:34,025 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:41:34,026 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:41:34,026 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:41:34,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:41:34,026 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:41:34,026 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:41:34,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 15:41:34,027 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:41:34,028 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:41:34,028 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:41:34,028 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:41:34,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:41:34,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:41:34,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:41:34,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:41:34,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:41:34,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:41:34,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:41:34,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:41:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:41:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:41:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:41:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:41:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:41:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:41:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:41:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:41:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:41:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:41:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 15:41:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:41:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:41:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:41:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:41:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:41:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-21 15:41:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:41:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:41:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 15:41:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-21 15:41:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:41:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:41:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:41:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:41:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:41:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:41:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:41:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:41:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:41:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:41:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:41:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:41:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:41:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:41:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:41:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:41:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:41:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:41:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:41:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:41:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:41:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:41:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:41:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:41:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:41:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:41:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:41:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:41:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:41:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:41:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:41:35,195 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:41:35,195 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:41:35,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:41:35 BoogieIcfgContainer [2020-07-21 15:41:35,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:41:35,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:41:35,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:41:35,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:41:35,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:41:33" (1/3) ... [2020-07-21 15:41:35,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64fe7052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:41:35, skipping insertion in model container [2020-07-21 15:41:35,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:33" (2/3) ... [2020-07-21 15:41:35,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64fe7052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:41:35, skipping insertion in model container [2020-07-21 15:41:35,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:41:35" (3/3) ... [2020-07-21 15:41:35,209 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2020-07-21 15:41:35,219 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:41:35,226 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:41:35,241 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:41:35,263 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:41:35,264 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:41:35,264 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:41:35,264 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:41:35,264 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:41:35,264 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:41:35,264 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:41:35,264 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:41:35,285 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2020-07-21 15:41:35,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 15:41:35,294 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:35,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:35,295 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:35,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:35,302 INFO L82 PathProgramCache]: Analyzing trace with hash 177325019, now seen corresponding path program 1 times [2020-07-21 15:41:35,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:35,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [109929919] [2020-07-21 15:41:35,312 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:35,748 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:35,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:35,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:41:35,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:35,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:35,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [109929919] [2020-07-21 15:41:35,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:35,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:41:35,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036045201] [2020-07-21 15:41:35,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:41:35,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:35,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:41:35,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:41:35,835 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2020-07-21 15:41:35,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:35,875 INFO L93 Difference]: Finished difference Result 246 states and 305 transitions. [2020-07-21 15:41:35,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:41:35,877 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2020-07-21 15:41:35,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:35,888 INFO L225 Difference]: With dead ends: 246 [2020-07-21 15:41:35,888 INFO L226 Difference]: Without dead ends: 123 [2020-07-21 15:41:35,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:41:35,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-21 15:41:35,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-21 15:41:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-21 15:41:35,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2020-07-21 15:41:35,951 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 52 [2020-07-21 15:41:35,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:35,952 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2020-07-21 15:41:35,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:41:35,952 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2020-07-21 15:41:35,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-21 15:41:35,956 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:35,957 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:36,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:36,172 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:36,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:36,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1842882407, now seen corresponding path program 1 times [2020-07-21 15:41:36,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:36,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [156736119] [2020-07-21 15:41:36,175 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:36,622 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:36,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:36,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:41:36,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:36,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:36,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:36,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [156736119] [2020-07-21 15:41:36,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:36,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:41:36,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35415143] [2020-07-21 15:41:36,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:41:36,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:36,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:41:36,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:41:36,702 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 3 states. [2020-07-21 15:41:36,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:36,748 INFO L93 Difference]: Finished difference Result 222 states and 267 transitions. [2020-07-21 15:41:36,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:41:36,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-21 15:41:36,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:36,759 INFO L225 Difference]: With dead ends: 222 [2020-07-21 15:41:36,760 INFO L226 Difference]: Without dead ends: 123 [2020-07-21 15:41:36,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:41:36,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-21 15:41:36,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-21 15:41:36,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-21 15:41:36,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-07-21 15:41:36,792 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 53 [2020-07-21 15:41:36,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:36,793 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-07-21 15:41:36,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:41:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-07-21 15:41:36,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 15:41:36,802 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:36,803 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:37,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:37,020 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:37,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:37,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1928372500, now seen corresponding path program 1 times [2020-07-21 15:41:37,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:37,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [991532322] [2020-07-21 15:41:37,023 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:37,392 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:37,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:37,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:41:37,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:37,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:37,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:37,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [991532322] [2020-07-21 15:41:37,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:37,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:41:37,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389315136] [2020-07-21 15:41:37,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:41:37,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:37,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:41:37,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:41:37,430 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 3 states. [2020-07-21 15:41:37,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:37,459 INFO L93 Difference]: Finished difference Result 195 states and 225 transitions. [2020-07-21 15:41:37,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:41:37,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-21 15:41:37,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:37,462 INFO L225 Difference]: With dead ends: 195 [2020-07-21 15:41:37,463 INFO L226 Difference]: Without dead ends: 114 [2020-07-21 15:41:37,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:41:37,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-07-21 15:41:37,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-07-21 15:41:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-21 15:41:37,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2020-07-21 15:41:37,489 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 61 [2020-07-21 15:41:37,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:37,490 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2020-07-21 15:41:37,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:41:37,491 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2020-07-21 15:41:37,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 15:41:37,493 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:37,493 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:37,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:37,707 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:37,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:37,708 INFO L82 PathProgramCache]: Analyzing trace with hash -771193848, now seen corresponding path program 1 times [2020-07-21 15:41:37,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:37,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997262218] [2020-07-21 15:41:37,710 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:38,094 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:38,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:38,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 15:41:38,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:38,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:38,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:38,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997262218] [2020-07-21 15:41:38,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:38,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:41:38,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78290710] [2020-07-21 15:41:38,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:41:38,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:38,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:41:38,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:41:38,179 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 6 states. [2020-07-21 15:41:38,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:38,415 INFO L93 Difference]: Finished difference Result 285 states and 349 transitions. [2020-07-21 15:41:38,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:41:38,415 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-21 15:41:38,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:38,419 INFO L225 Difference]: With dead ends: 285 [2020-07-21 15:41:38,420 INFO L226 Difference]: Without dead ends: 195 [2020-07-21 15:41:38,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:41:38,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-07-21 15:41:38,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 193. [2020-07-21 15:41:38,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-07-21 15:41:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 230 transitions. [2020-07-21 15:41:38,446 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 230 transitions. Word has length 65 [2020-07-21 15:41:38,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:38,447 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 230 transitions. [2020-07-21 15:41:38,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:41:38,447 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 230 transitions. [2020-07-21 15:41:38,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-21 15:41:38,448 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:38,449 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:38,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:38,662 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:38,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:38,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1046465522, now seen corresponding path program 1 times [2020-07-21 15:41:38,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:38,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144525468] [2020-07-21 15:41:38,664 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:38,911 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:38,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:38,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:41:38,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:38,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:38,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:38,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144525468] [2020-07-21 15:41:38,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:38,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:41:38,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729157469] [2020-07-21 15:41:38,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:41:38,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:38,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:41:38,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:41:38,964 INFO L87 Difference]: Start difference. First operand 193 states and 230 transitions. Second operand 6 states. [2020-07-21 15:41:39,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:39,128 INFO L93 Difference]: Finished difference Result 464 states and 572 transitions. [2020-07-21 15:41:39,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:41:39,129 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-07-21 15:41:39,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:39,131 INFO L225 Difference]: With dead ends: 464 [2020-07-21 15:41:39,132 INFO L226 Difference]: Without dead ends: 177 [2020-07-21 15:41:39,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:41:39,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-07-21 15:41:39,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 175. [2020-07-21 15:41:39,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-07-21 15:41:39,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 201 transitions. [2020-07-21 15:41:39,151 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 201 transitions. Word has length 69 [2020-07-21 15:41:39,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:39,151 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 201 transitions. [2020-07-21 15:41:39,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:41:39,151 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 201 transitions. [2020-07-21 15:41:39,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-21 15:41:39,153 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:39,153 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:39,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:39,367 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:39,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:39,368 INFO L82 PathProgramCache]: Analyzing trace with hash 750932028, now seen corresponding path program 1 times [2020-07-21 15:41:39,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:39,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652701298] [2020-07-21 15:41:39,369 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:39,540 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:41:39,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:39,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 15:41:39,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:39,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:39,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:39,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652701298] [2020-07-21 15:41:39,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:39,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:41:39,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672621944] [2020-07-21 15:41:39,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:41:39,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:39,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:41:39,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:41:39,581 INFO L87 Difference]: Start difference. First operand 175 states and 201 transitions. Second operand 5 states. [2020-07-21 15:41:39,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:39,603 INFO L93 Difference]: Finished difference Result 329 states and 385 transitions. [2020-07-21 15:41:39,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:41:39,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2020-07-21 15:41:39,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:39,605 INFO L225 Difference]: With dead ends: 329 [2020-07-21 15:41:39,606 INFO L226 Difference]: Without dead ends: 178 [2020-07-21 15:41:39,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:41:39,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-07-21 15:41:39,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 175. [2020-07-21 15:41:39,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-07-21 15:41:39,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 200 transitions. [2020-07-21 15:41:39,622 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 200 transitions. Word has length 83 [2020-07-21 15:41:39,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:39,622 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 200 transitions. [2020-07-21 15:41:39,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:41:39,622 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 200 transitions. [2020-07-21 15:41:39,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-21 15:41:39,624 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:39,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:39,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:39,840 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:39,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:39,842 INFO L82 PathProgramCache]: Analyzing trace with hash 678545470, now seen corresponding path program 1 times [2020-07-21 15:41:39,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:39,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [342425682] [2020-07-21 15:41:39,843 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:40,091 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:40,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:40,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 15:41:40,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:40,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:40,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:40,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [342425682] [2020-07-21 15:41:40,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:40,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:41:40,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880796410] [2020-07-21 15:41:40,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:41:40,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:40,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:41:40,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:41:40,133 INFO L87 Difference]: Start difference. First operand 175 states and 200 transitions. Second operand 6 states. [2020-07-21 15:41:40,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:40,168 INFO L93 Difference]: Finished difference Result 331 states and 391 transitions. [2020-07-21 15:41:40,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:41:40,169 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-07-21 15:41:40,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:40,171 INFO L225 Difference]: With dead ends: 331 [2020-07-21 15:41:40,171 INFO L226 Difference]: Without dead ends: 180 [2020-07-21 15:41:40,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 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 15:41:40,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-07-21 15:41:40,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 177. [2020-07-21 15:41:40,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-07-21 15:41:40,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 202 transitions. [2020-07-21 15:41:40,185 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 202 transitions. Word has length 83 [2020-07-21 15:41:40,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:40,186 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 202 transitions. [2020-07-21 15:41:40,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:41:40,186 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 202 transitions. [2020-07-21 15:41:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-21 15:41:40,188 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:40,188 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:40,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:40,401 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:40,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:40,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1174041569, now seen corresponding path program 1 times [2020-07-21 15:41:40,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:40,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611507001] [2020-07-21 15:41:40,403 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:40,637 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:40,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:40,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 15:41:40,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:40,772 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 15:41:40,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:40,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611507001] [2020-07-21 15:41:40,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:40,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-21 15:41:40,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742096909] [2020-07-21 15:41:40,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-21 15:41:40,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:40,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-21 15:41:40,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-21 15:41:40,775 INFO L87 Difference]: Start difference. First operand 177 states and 202 transitions. Second operand 11 states. [2020-07-21 15:41:41,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:41,371 INFO L93 Difference]: Finished difference Result 428 states and 516 transitions. [2020-07-21 15:41:41,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 15:41:41,375 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2020-07-21 15:41:41,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:41,376 INFO L225 Difference]: With dead ends: 428 [2020-07-21 15:41:41,376 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:41:41,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-21 15:41:41,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:41:41,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:41:41,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:41:41,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:41:41,381 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2020-07-21 15:41:41,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:41,382 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:41:41,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-21 15:41:41,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:41:41,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:41:41,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:41,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:41:43,123 INFO L268 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-07-21 15:41:43,123 INFO L268 CegarLoopResult]: For program point L635-1(lines 635 639) no Hoare annotation was computed. [2020-07-21 15:41:43,123 INFO L268 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-07-21 15:41:43,123 INFO L268 CegarLoopResult]: For program point L629-2(lines 629 650) no Hoare annotation was computed. [2020-07-21 15:41:43,123 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 604 659) no Hoare annotation was computed. [2020-07-21 15:41:43,124 INFO L268 CegarLoopResult]: For program point L651(lines 628 652) no Hoare annotation was computed. [2020-07-21 15:41:43,124 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 604 659) no Hoare annotation was computed. [2020-07-21 15:41:43,124 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 604 659) no Hoare annotation was computed. [2020-07-21 15:41:43,124 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-07-21 15:41:43,124 INFO L268 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-07-21 15:41:43,124 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 660 719) no Hoare annotation was computed. [2020-07-21 15:41:43,124 INFO L268 CegarLoopResult]: For program point L692(lines 692 696) no Hoare annotation was computed. [2020-07-21 15:41:43,124 INFO L268 CegarLoopResult]: For program point L692-1(lines 692 696) no Hoare annotation was computed. [2020-07-21 15:41:43,125 INFO L268 CegarLoopResult]: For program point L687(line 687) no Hoare annotation was computed. [2020-07-21 15:41:43,125 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 660 719) no Hoare annotation was computed. [2020-07-21 15:41:43,125 INFO L268 CegarLoopResult]: For program point L686-2(lines 686 711) no Hoare annotation was computed. [2020-07-21 15:41:43,125 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 660 719) no Hoare annotation was computed. [2020-07-21 15:41:43,126 INFO L268 CegarLoopResult]: For program point L712(lines 685 713) no Hoare annotation was computed. [2020-07-21 15:41:43,126 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-21 15:41:43,126 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-21 15:41:43,126 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-21 15:41:43,127 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-21 15:41:43,127 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-21 15:41:43,127 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 528 550) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= ~waterLevel~0 1)) [2020-07-21 15:41:43,127 INFO L264 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= ~waterLevel~0 1)) [2020-07-21 15:41:43,127 INFO L264 CegarLoopResult]: At program point L540-1(line 540) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= ~waterLevel~0 1)) [2020-07-21 15:41:43,127 INFO L268 CegarLoopResult]: For program point L538(lines 538 545) no Hoare annotation was computed. [2020-07-21 15:41:43,127 INFO L268 CegarLoopResult]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2020-07-21 15:41:43,127 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2020-07-21 15:41:43,128 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-21 15:41:43,128 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= ~waterLevel~0 1)) [2020-07-21 15:41:43,128 INFO L264 CegarLoopResult]: At program point L534(line 534) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= ~waterLevel~0 1)) [2020-07-21 15:41:43,128 INFO L264 CegarLoopResult]: At program point L534-1(line 534) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= ~waterLevel~0 1)) [2020-07-21 15:41:43,128 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 528 550) no Hoare annotation was computed. [2020-07-21 15:41:43,128 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 487 510) no Hoare annotation was computed. [2020-07-21 15:41:43,128 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 487 510) no Hoare annotation was computed. [2020-07-21 15:41:43,129 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 487 510) no Hoare annotation was computed. [2020-07-21 15:41:43,129 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 15:41:43,129 INFO L268 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-07-21 15:41:43,129 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-21 15:41:43,129 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 15:41:43,129 INFO L268 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-07-21 15:41:43,129 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-21 15:41:43,129 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 15:41:43,130 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-21 15:41:43,130 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-21 15:41:43,130 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 15:41:43,130 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-07-21 15:41:43,130 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-21 15:41:43,130 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 15:41:43,130 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-07-21 15:41:43,131 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2020-07-21 15:41:43,131 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2020-07-21 15:41:43,131 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2020-07-21 15:41:43,131 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-07-21 15:41:43,131 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 229) no Hoare annotation was computed. [2020-07-21 15:41:43,131 INFO L268 CegarLoopResult]: For program point L209(lines 209 217) no Hoare annotation was computed. [2020-07-21 15:41:43,131 INFO L268 CegarLoopResult]: For program point L209-2(lines 209 217) no Hoare annotation was computed. [2020-07-21 15:41:43,131 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 202 237) no Hoare annotation was computed. [2020-07-21 15:41:43,131 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-21 15:41:43,131 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-07-21 15:41:43,131 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2020-07-21 15:41:43,131 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2020-07-21 15:41:43,132 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-21 15:41:43,132 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-21 15:41:43,132 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 558 603) no Hoare annotation was computed. [2020-07-21 15:41:43,132 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 558 603) no Hoare annotation was computed. [2020-07-21 15:41:43,132 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 558 603) no Hoare annotation was computed. [2020-07-21 15:41:43,132 INFO L268 CegarLoopResult]: For program point L891(lines 891 898) no Hoare annotation was computed. [2020-07-21 15:41:43,132 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 871 916) no Hoare annotation was computed. [2020-07-21 15:41:43,132 INFO L268 CegarLoopResult]: For program point L885(lines 885 905) no Hoare annotation was computed. [2020-07-21 15:41:43,132 INFO L268 CegarLoopResult]: For program point L885-1(lines 885 905) no Hoare annotation was computed. [2020-07-21 15:41:43,132 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 871 916) no Hoare annotation was computed. [2020-07-21 15:41:43,132 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 871 916) no Hoare annotation was computed. [2020-07-21 15:41:43,133 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 518 527) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= ~waterLevel~0 1)) [2020-07-21 15:41:43,133 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2020-07-21 15:41:43,133 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2020-07-21 15:41:43,133 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2020-07-21 15:41:43,133 INFO L271 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: true [2020-07-21 15:41:43,133 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2020-07-21 15:41:43,133 INFO L268 CegarLoopResult]: For program point L187-1(line 187) no Hoare annotation was computed. [2020-07-21 15:41:43,134 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2020-07-21 15:41:43,134 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 174 181) no Hoare annotation was computed. [2020-07-21 15:41:43,134 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2020-07-21 15:41:43,134 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2020-07-21 15:41:43,134 INFO L268 CegarLoopResult]: For program point L445(lines 445 451) no Hoare annotation was computed. [2020-07-21 15:41:43,134 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2020-07-21 15:41:43,134 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2020-07-21 15:41:43,134 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2020-07-21 15:41:43,135 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (= 0 |old(~pumpRunning~0)|) (not (<= 1 ~systemActive~0))) [2020-07-21 15:41:43,135 INFO L268 CegarLoopResult]: For program point L129-1(line 129) no Hoare annotation was computed. [2020-07-21 15:41:43,135 INFO L268 CegarLoopResult]: For program point L127(lines 127 144) no Hoare annotation was computed. [2020-07-21 15:41:43,135 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2020-07-21 15:41:43,135 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 123 147) the Hoare annotation is: (or (= 0 |old(~pumpRunning~0)|) (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 15:41:43,135 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 15:41:43,136 INFO L268 CegarLoopResult]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2020-07-21 15:41:43,136 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (= 0 |old(~pumpRunning~0)|) .cse0) (or .cse0 (<= ~waterLevel~0 1)))) [2020-07-21 15:41:43,136 INFO L264 CegarLoopResult]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (= 0 |old(~pumpRunning~0)|) .cse0) (or .cse0 (<= 1 processEnvironment_~tmp~0) (<= ~waterLevel~0 1)))) [2020-07-21 15:41:43,136 INFO L268 CegarLoopResult]: For program point L131(lines 131 139) no Hoare annotation was computed. [2020-07-21 15:41:43,136 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2020-07-21 15:41:43,136 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2020-07-21 15:41:43,136 INFO L264 CegarLoopResult]: At program point testENTRY(lines 261 324) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= ~waterLevel~0 1)) [2020-07-21 15:41:43,136 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (not (= 0 ~pumpRunning~0)) .cse0) (and (<= ~waterLevel~0 1) .cse0) (and (not (= 0 ~methaneLevelCritical~0)) .cse0))) [2020-07-21 15:41:43,137 INFO L264 CegarLoopResult]: At program point L314(lines 271 316) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (not (= 0 ~pumpRunning~0)) .cse0) (and (<= ~waterLevel~0 1) .cse0) (and (not (= 0 ~methaneLevelCritical~0)) .cse0))) [2020-07-21 15:41:43,137 INFO L268 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-07-21 15:41:43,137 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2020-07-21 15:41:43,137 INFO L268 CegarLoopResult]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2020-07-21 15:41:43,137 INFO L268 CegarLoopResult]: For program point L273(lines 273 277) no Hoare annotation was computed. [2020-07-21 15:41:43,137 INFO L264 CegarLoopResult]: At program point L317(lines 270 318) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:41:43,137 INFO L268 CegarLoopResult]: For program point L307(lines 307 311) no Hoare annotation was computed. [2020-07-21 15:41:43,137 INFO L264 CegarLoopResult]: At program point L307-2(lines 301 312) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0)) [2020-07-21 15:41:43,137 INFO L268 CegarLoopResult]: For program point L272(lines 271 316) no Hoare annotation was computed. [2020-07-21 15:41:43,137 INFO L268 CegarLoopResult]: For program point L301(lines 301 312) no Hoare annotation was computed. [2020-07-21 15:41:43,137 INFO L264 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0)) [2020-07-21 15:41:43,138 INFO L268 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2020-07-21 15:41:43,138 INFO L268 CegarLoopResult]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2020-07-21 15:41:43,138 INFO L268 CegarLoopResult]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2020-07-21 15:41:43,138 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 825 870) no Hoare annotation was computed. [2020-07-21 15:41:43,138 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 825 870) no Hoare annotation was computed. [2020-07-21 15:41:43,138 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 825 870) no Hoare annotation was computed. [2020-07-21 15:41:43,138 INFO L268 CegarLoopResult]: For program point L845(lines 845 852) no Hoare annotation was computed. [2020-07-21 15:41:43,138 INFO L268 CegarLoopResult]: For program point L839(lines 839 859) no Hoare annotation was computed. [2020-07-21 15:41:43,138 INFO L268 CegarLoopResult]: For program point L839-1(lines 839 859) no Hoare annotation was computed. [2020-07-21 15:41:43,138 INFO L271 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 148 155) the Hoare annotation is: true [2020-07-21 15:41:43,138 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2020-07-21 15:41:43,138 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 148 155) no Hoare annotation was computed. [2020-07-21 15:41:43,138 INFO L268 CegarLoopResult]: For program point L417(lines 417 425) no Hoare annotation was computed. [2020-07-21 15:41:43,139 INFO L268 CegarLoopResult]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2020-07-21 15:41:43,139 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2020-07-21 15:41:43,139 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2020-07-21 15:41:43,139 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2020-07-21 15:41:43,139 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-21 15:41:43,139 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-21 15:41:43,139 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-21 15:41:43,139 INFO L268 CegarLoopResult]: For program point L768(lines 768 809) no Hoare annotation was computed. [2020-07-21 15:41:43,139 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 722 824) no Hoare annotation was computed. [2020-07-21 15:41:43,139 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-07-21 15:41:43,139 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-07-21 15:41:43,139 INFO L268 CegarLoopResult]: For program point L746(lines 746 750) no Hoare annotation was computed. [2020-07-21 15:41:43,139 INFO L268 CegarLoopResult]: For program point L810(lines 810 821) no Hoare annotation was computed. [2020-07-21 15:41:43,139 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 722 824) no Hoare annotation was computed. [2020-07-21 15:41:43,140 INFO L268 CegarLoopResult]: For program point L773(lines 773 777) no Hoare annotation was computed. [2020-07-21 15:41:43,140 INFO L268 CegarLoopResult]: For program point L771-2(lines 771 791) no Hoare annotation was computed. [2020-07-21 15:41:43,140 INFO L268 CegarLoopResult]: For program point L792(lines 770 793) no Hoare annotation was computed. [2020-07-21 15:41:43,140 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 722 824) no Hoare annotation was computed. [2020-07-21 15:41:43,140 INFO L268 CegarLoopResult]: For program point L751(lines 751 767) no Hoare annotation was computed. [2020-07-21 15:41:43,140 INFO L268 CegarLoopResult]: For program point L811(lines 811 818) no Hoare annotation was computed. [2020-07-21 15:41:43,140 INFO L268 CegarLoopResult]: For program point L772(lines 771 791) no Hoare annotation was computed. [2020-07-21 15:41:43,140 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-21 15:41:43,140 INFO L268 CegarLoopResult]: For program point L803-1(line 803) no Hoare annotation was computed. [2020-07-21 15:41:43,140 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:41:43,140 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:41:43,140 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:41:43,140 INFO L268 CegarLoopResult]: For program point L162-1(line 162) no Hoare annotation was computed. [2020-07-21 15:41:43,141 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2020-07-21 15:41:43,141 INFO L271 CegarLoopResult]: At program point activatePumpENTRY(lines 157 173) the Hoare annotation is: true [2020-07-21 15:41:43,141 INFO L271 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: true [2020-07-21 15:41:43,141 INFO L268 CegarLoopResult]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2020-07-21 15:41:43,141 INFO L268 CegarLoopResult]: For program point L164(lines 164 170) no Hoare annotation was computed. [2020-07-21 15:41:43,141 INFO L271 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: true [2020-07-21 15:41:43,141 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2020-07-21 15:41:43,141 INFO L268 CegarLoopResult]: For program point L247(lines 247 251) no Hoare annotation was computed. [2020-07-21 15:41:43,141 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2020-07-21 15:41:43,141 INFO L271 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: true [2020-07-21 15:41:43,141 INFO L268 CegarLoopResult]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2020-07-21 15:41:43,141 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 238 256) no Hoare annotation was computed. [2020-07-21 15:41:43,141 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-07-21 15:41:43,142 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2020-07-21 15:41:43,142 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2020-07-21 15:41:43,142 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2020-07-21 15:41:43,142 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| 0) (not (= 0 ~methaneLevelCritical~0))) [2020-07-21 15:41:43,142 INFO L268 CegarLoopResult]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2020-07-21 15:41:43,142 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2020-07-21 15:41:43,142 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:41:43,142 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:41:43,142 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:41:43,142 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2020-07-21 15:41:43,142 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2020-07-21 15:41:43,142 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2020-07-21 15:41:43,143 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 1)) (or .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-21 15:41:43,143 INFO L268 CegarLoopResult]: For program point L95(lines 94 113) no Hoare annotation was computed. [2020-07-21 15:41:43,143 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 91 114) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 1)) (or (= 0 |old(~pumpRunning~0)|) .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-21 15:41:43,143 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2020-07-21 15:41:43,143 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 1)) (or (= 0 |old(~pumpRunning~0)|) .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-21 15:41:43,143 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2020-07-21 15:41:43,143 INFO L264 CegarLoopResult]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2) (or (= 0 |old(~pumpRunning~0)|) .cse0 .cse2))) [2020-07-21 15:41:43,144 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2020-07-21 15:41:43,144 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 15:41:43,144 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2020-07-21 15:41:43,144 INFO L268 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2020-07-21 15:41:43,144 INFO L271 CegarLoopResult]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2020-07-21 15:41:43,144 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-07-21 15:41:43,144 INFO L271 CegarLoopResult]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2020-07-21 15:41:43,145 INFO L271 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: true [2020-07-21 15:41:43,145 INFO L268 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-07-21 15:41:43,145 INFO L271 CegarLoopResult]: At program point L482(lines 457 486) the Hoare annotation is: true [2020-07-21 15:41:43,145 INFO L264 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 1))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= 0 ~methaneLevelCritical~0)))) [2020-07-21 15:41:43,145 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2020-07-21 15:41:43,145 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-07-21 15:41:43,145 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2020-07-21 15:41:43,146 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 1))) (or .cse0 (= 0 ~methaneLevelCritical~0)))) [2020-07-21 15:41:43,146 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-07-21 15:41:43,146 INFO L268 CegarLoopResult]: For program point L343(lines 343 356) no Hoare annotation was computed. [2020-07-21 15:41:43,146 INFO L268 CegarLoopResult]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2020-07-21 15:41:43,146 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methaneLevelCritical~0)) [2020-07-21 15:41:43,146 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-21 15:41:43,146 INFO L268 CegarLoopResult]: For program point L337(lines 337 357) no Hoare annotation was computed. [2020-07-21 15:41:43,147 INFO L271 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: true [2020-07-21 15:41:43,147 INFO L268 CegarLoopResult]: For program point L335-1(line 335) no Hoare annotation was computed. [2020-07-21 15:41:43,147 INFO L268 CegarLoopResult]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2020-07-21 15:41:43,147 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) [2020-07-21 15:41:43,147 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2020-07-21 15:41:43,147 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2020-07-21 15:41:43,147 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2020-07-21 15:41:43,147 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:41:43,148 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 15:41:43,148 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:41:43,148 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:41:43,148 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2020-07-21 15:41:43,148 INFO L268 CegarLoopResult]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2020-07-21 15:41:43,148 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= ~waterLevel~0 1)) [2020-07-21 15:41:43,148 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2020-07-21 15:41:43,149 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2020-07-21 15:41:43,149 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2020-07-21 15:41:43,149 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2020-07-21 15:41:43,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:41:43 BoogieIcfgContainer [2020-07-21 15:41:43,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:41:43,177 INFO L168 Benchmark]: Toolchain (without parser) took 10054.23 ms. Allocated memory was 142.6 MB in the beginning and 297.3 MB in the end (delta: 154.7 MB). Free memory was 106.6 MB in the beginning and 164.9 MB in the end (delta: -58.2 MB). Peak memory consumption was 162.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:43,178 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 142.6 MB. Free memory was 125.7 MB in the beginning and 125.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:41:43,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.91 ms. Allocated memory was 142.6 MB in the beginning and 205.0 MB in the end (delta: 62.4 MB). Free memory was 106.2 MB in the beginning and 174.8 MB in the end (delta: -68.6 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:43,183 INFO L168 Benchmark]: Boogie Preprocessor took 109.07 ms. Allocated memory is still 205.0 MB. Free memory was 174.8 MB in the beginning and 171.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:43,184 INFO L168 Benchmark]: RCFGBuilder took 1264.51 ms. Allocated memory was 205.0 MB in the beginning and 231.7 MB in the end (delta: 26.7 MB). Free memory was 171.1 MB in the beginning and 188.8 MB in the end (delta: -17.8 MB). Peak memory consumption was 77.4 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:43,185 INFO L168 Benchmark]: TraceAbstraction took 7971.27 ms. Allocated memory was 231.7 MB in the beginning and 297.3 MB in the end (delta: 65.5 MB). Free memory was 188.8 MB in the beginning and 164.9 MB in the end (delta: 24.0 MB). Peak memory consumption was 155.1 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:43,194 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 142.6 MB. Free memory was 125.7 MB in the beginning and 125.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.91 ms. Allocated memory was 142.6 MB in the beginning and 205.0 MB in the end (delta: 62.4 MB). Free memory was 106.2 MB in the beginning and 174.8 MB in the end (delta: -68.6 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.07 ms. Allocated memory is still 205.0 MB. Free memory was 174.8 MB in the beginning and 171.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1264.51 ms. Allocated memory was 205.0 MB in the beginning and 231.7 MB in the end (delta: 26.7 MB). Free memory was 171.1 MB in the beginning and 188.8 MB in the end (delta: -17.8 MB). Peak memory consumption was 77.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7971.27 ms. Allocated memory was 231.7 MB in the beginning and 297.3 MB in the end (delta: 65.5 MB). Free memory was 188.8 MB in the beginning and 164.9 MB in the end (delta: 24.0 MB). Peak memory consumption was 155.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 271]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || (!(0 == pumpRunning) && splverifierCounter <= 0)) || (waterLevel <= 1 && splverifierCounter <= 0)) || (!(0 == methaneLevelCritical) && splverifierCounter <= 0) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: !(\old(waterLevel) <= 1) || !(1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.3s, OverallIterations: 8, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1158 SDtfs, 311 SDslu, 3147 SDs, 0 SdLazy, 464 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 564 GetRequests, 527 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=193occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 10 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 565 PreInvPairs, 643 NumberOfFragments, 497 HoareAnnotationTreeSize, 565 FomulaSimplifications, 429 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 56 FomulaSimplificationsInter, 2205 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 561 NumberOfCodeBlocks, 520 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 553 ConstructedInterpolants, 0 QuantifiedInterpolants, 63289 SizeOfPredicates, 20 NumberOfNonLiveVariables, 5438 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 3/3 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...