/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:51:03,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:51:03,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:51:03,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:51:03,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:51:03,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:51:03,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:51:03,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:51:03,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:51:03,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:51:03,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:51:03,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:51:03,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:51:03,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:51:03,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:51:03,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:51:03,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:51:03,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:51:03,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:51:03,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:51:03,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:51:03,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:51:03,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:51:03,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:51:03,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:51:03,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:51:03,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:51:03,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:51:03,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:51:03,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:51:03,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:51:03,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:51:03,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:51:03,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:51:03,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:51:03,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:51:03,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:51:03,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:51:03,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:51:03,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:51:03,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:51:03,923 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 [2020-07-19 22:51:03,943 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:51:03,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:51:03,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:51:03,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:51:03,946 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:51:03,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:51:03,946 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:51:03,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:51:03,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:51:03,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:51:03,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:51:03,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:51:03,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:51:03,949 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:51:03,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:51:03,949 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:51:03,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:51:03,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:51:03,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:51:03,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:51:03,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:51:03,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:51:03,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:51:03,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:51:03,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:51:03,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:51:03,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:51:03,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:51:03,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:51:03,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:51:04,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:51:04,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:51:04,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:51:04,254 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:51:04,256 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:51:04,257 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c [2020-07-19 22:51:04,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a781792a7/e2d32063f3a2448c8726604f37b26a62/FLAGe626440c8 [2020-07-19 22:51:04,900 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:51:04,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c [2020-07-19 22:51:04,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a781792a7/e2d32063f3a2448c8726604f37b26a62/FLAGe626440c8 [2020-07-19 22:51:05,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a781792a7/e2d32063f3a2448c8726604f37b26a62 [2020-07-19 22:51:05,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:51:05,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:51:05,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:51:05,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:51:05,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:51:05,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:51:05" (1/1) ... [2020-07-19 22:51:05,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144ee2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:05, skipping insertion in model container [2020-07-19 22:51:05,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:51:05" (1/1) ... [2020-07-19 22:51:05,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:51:05,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:51:05,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:51:05,783 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:51:05,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:51:05,917 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:51:05,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:05 WrapperNode [2020-07-19 22:51:05,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:51:05,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:51:05,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:51:05,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:51:05,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:05" (1/1) ... [2020-07-19 22:51:05,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:05" (1/1) ... [2020-07-19 22:51:05,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:05" (1/1) ... [2020-07-19 22:51:05,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:05" (1/1) ... [2020-07-19 22:51:05,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:05" (1/1) ... [2020-07-19 22:51:06,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:05" (1/1) ... [2020-07-19 22:51:06,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:05" (1/1) ... [2020-07-19 22:51:06,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:51:06,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:51:06,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:51:06,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:51:06,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:51:06,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:51:06,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:51:06,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:51:06,140 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:51:06,140 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:51:06,140 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:51:06,141 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:51:06,141 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:51:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:51:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:51:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:51:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:51:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:51:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:51:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:51:06,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:51:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:51:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:51:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:51:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:51:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 22:51:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:51:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:51:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:51:06,147 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:51:06,147 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:51:06,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:51:06,148 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:51:06,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:51:06,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:51:06,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:51:06,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:51:06,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:51:06,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:51:06,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:51:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:51:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:51:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:51:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:51:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:51:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:51:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:51:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:51:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-19 22:51:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:51:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:51:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:51:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:51:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:51:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:51:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:51:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:51:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:51:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:51:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:51:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:51:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:51:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:51:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:51:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:51:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:51:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 22:51:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:51:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-19 22:51:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:51:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:51:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:51:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:51:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:51:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:51:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:51:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:51:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:51:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:51:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:51:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:51:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:51:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:51:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:51:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:51:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:51:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:51:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:51:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:51:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:51:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:51:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:51:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:51:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:51:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:51:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:51:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:51:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:51:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:51:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:51:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:51:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:51:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:51:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:51:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:51:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:51:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:51:07,454 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:51:07,455 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:51:07,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:51:07 BoogieIcfgContainer [2020-07-19 22:51:07,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:51:07,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:51:07,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:51:07,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:51:07,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:51:05" (1/3) ... [2020-07-19 22:51:07,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3967f85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:51:07, skipping insertion in model container [2020-07-19 22:51:07,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:05" (2/3) ... [2020-07-19 22:51:07,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3967f85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:51:07, skipping insertion in model container [2020-07-19 22:51:07,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:51:07" (3/3) ... [2020-07-19 22:51:07,469 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64.cil.c [2020-07-19 22:51:07,479 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:51:07,487 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:51:07,502 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:51:07,528 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:51:07,528 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:51:07,528 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:51:07,528 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:51:07,529 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:51:07,529 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:51:07,529 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:51:07,529 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:51:07,553 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2020-07-19 22:51:07,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:51:07,565 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:51:07,566 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] [2020-07-19 22:51:07,566 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:51:07,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:51:07,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1153750625, now seen corresponding path program 1 times [2020-07-19 22:51:07,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:51:07,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781993528] [2020-07-19 22:51:07,583 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ceb8be [2020-07-19 22:51:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:08,235 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:51:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:08,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:51:08,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781993528] [2020-07-19 22:51:08,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:51:08,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:51:08,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052267618] [2020-07-19 22:51:08,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:51:08,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:51:08,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:51:08,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:51:08,380 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 3 states. [2020-07-19 22:51:09,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:51:09,729 INFO L93 Difference]: Finished difference Result 380 states and 494 transitions. [2020-07-19 22:51:09,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:51:09,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-19 22:51:09,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:51:09,769 INFO L225 Difference]: With dead ends: 380 [2020-07-19 22:51:09,769 INFO L226 Difference]: Without dead ends: 205 [2020-07-19 22:51:09,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:51:09,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-07-19 22:51:09,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 166. [2020-07-19 22:51:09,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-07-19 22:51:09,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 198 transitions. [2020-07-19 22:51:09,882 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 198 transitions. Word has length 52 [2020-07-19 22:51:09,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:51:09,883 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 198 transitions. [2020-07-19 22:51:09,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:51:09,883 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 198 transitions. [2020-07-19 22:51:09,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-19 22:51:09,888 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:51:09,888 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] [2020-07-19 22:51:09,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:51:09,889 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:51:09,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:51:09,889 INFO L82 PathProgramCache]: Analyzing trace with hash -2119837363, now seen corresponding path program 1 times [2020-07-19 22:51:09,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:51:09,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862458583] [2020-07-19 22:51:09,890 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ceb8be [2020-07-19 22:51:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:10,258 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:51:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:10,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:51:10,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862458583] [2020-07-19 22:51:10,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:51:10,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:51:10,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488493195] [2020-07-19 22:51:10,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:51:10,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:51:10,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:51:10,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:51:10,308 INFO L87 Difference]: Start difference. First operand 166 states and 198 transitions. Second operand 4 states. [2020-07-19 22:51:10,804 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:51:11,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:51:11,881 INFO L93 Difference]: Finished difference Result 303 states and 373 transitions. [2020-07-19 22:51:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:51:11,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-19 22:51:11,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:51:11,888 INFO L225 Difference]: With dead ends: 303 [2020-07-19 22:51:11,888 INFO L226 Difference]: Without dead ends: 189 [2020-07-19 22:51:11,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:51:11,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-07-19 22:51:11,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 157. [2020-07-19 22:51:11,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-07-19 22:51:11,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 186 transitions. [2020-07-19 22:51:11,939 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 186 transitions. Word has length 53 [2020-07-19 22:51:11,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:51:11,940 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 186 transitions. [2020-07-19 22:51:11,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:51:11,940 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 186 transitions. [2020-07-19 22:51:11,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-19 22:51:11,943 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:51:11,943 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] [2020-07-19 22:51:11,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:51:11,943 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:51:11,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:51:11,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1174645714, now seen corresponding path program 1 times [2020-07-19 22:51:11,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:51:11,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800869559] [2020-07-19 22:51:11,945 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ceb8be [2020-07-19 22:51:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,280 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:51:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:51:12,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800869559] [2020-07-19 22:51:12,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:51:12,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:51:12,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63159905] [2020-07-19 22:51:12,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:51:12,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:51:12,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:51:12,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:51:12,390 INFO L87 Difference]: Start difference. First operand 157 states and 186 transitions. Second operand 8 states. [2020-07-19 22:51:12,828 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:51:13,123 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:51:13,377 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:13,619 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:14,309 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:51:16,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:51:16,752 INFO L93 Difference]: Finished difference Result 540 states and 672 transitions. [2020-07-19 22:51:16,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:51:16,752 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-19 22:51:16,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:51:16,759 INFO L225 Difference]: With dead ends: 540 [2020-07-19 22:51:16,759 INFO L226 Difference]: Without dead ends: 407 [2020-07-19 22:51:16,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-19 22:51:16,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-07-19 22:51:16,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 334. [2020-07-19 22:51:16,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-07-19 22:51:16,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 407 transitions. [2020-07-19 22:51:16,848 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 407 transitions. Word has length 58 [2020-07-19 22:51:16,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:51:16,849 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 407 transitions. [2020-07-19 22:51:16,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:51:16,849 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 407 transitions. [2020-07-19 22:51:16,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-19 22:51:16,853 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:51:16,853 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] [2020-07-19 22:51:16,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:51:16,854 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:51:16,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:51:16,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1545438199, now seen corresponding path program 1 times [2020-07-19 22:51:16,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:51:16,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677891945] [2020-07-19 22:51:16,855 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ceb8be [2020-07-19 22:51:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:17,158 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:51:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:51:17,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677891945] [2020-07-19 22:51:17,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:51:17,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:51:17,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010473885] [2020-07-19 22:51:17,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:51:17,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:51:17,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:51:17,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:51:17,265 INFO L87 Difference]: Start difference. First operand 334 states and 407 transitions. Second operand 8 states. [2020-07-19 22:51:17,650 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:51:19,083 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:19,511 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:19,849 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:20,111 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:51:21,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:51:21,425 INFO L93 Difference]: Finished difference Result 1041 states and 1365 transitions. [2020-07-19 22:51:21,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-19 22:51:21,426 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-19 22:51:21,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:51:21,432 INFO L225 Difference]: With dead ends: 1041 [2020-07-19 22:51:21,432 INFO L226 Difference]: Without dead ends: 731 [2020-07-19 22:51:21,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:51:21,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2020-07-19 22:51:21,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 653. [2020-07-19 22:51:21,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2020-07-19 22:51:21,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 809 transitions. [2020-07-19 22:51:21,563 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 809 transitions. Word has length 63 [2020-07-19 22:51:21,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:51:21,564 INFO L479 AbstractCegarLoop]: Abstraction has 653 states and 809 transitions. [2020-07-19 22:51:21,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:51:21,564 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 809 transitions. [2020-07-19 22:51:21,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-19 22:51:21,569 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:51:21,569 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] [2020-07-19 22:51:21,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:51:21,570 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:51:21,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:51:21,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1461698211, now seen corresponding path program 1 times [2020-07-19 22:51:21,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:51:21,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871713631] [2020-07-19 22:51:21,571 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ceb8be [2020-07-19 22:51:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:51:21,620 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:51:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:51:21,664 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:51:21,739 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-19 22:51:21,739 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-19 22:51:21,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:51:21,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:51:21 BoogieIcfgContainer [2020-07-19 22:51:21,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:51:21,926 INFO L168 Benchmark]: Toolchain (without parser) took 16747.29 ms. Allocated memory was 138.4 MB in the beginning and 493.9 MB in the end (delta: 355.5 MB). Free memory was 101.8 MB in the beginning and 206.8 MB in the end (delta: -105.0 MB). Peak memory consumption was 250.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:51:21,928 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 22:51:21,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.34 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.4 MB in the beginning and 169.5 MB in the end (delta: -68.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-07-19 22:51:21,937 INFO L168 Benchmark]: Boogie Preprocessor took 123.41 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 165.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:51:21,938 INFO L168 Benchmark]: RCFGBuilder took 1418.59 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 191.8 MB in the end (delta: -26.4 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:51:21,939 INFO L168 Benchmark]: TraceAbstraction took 14461.72 ms. Allocated memory was 235.4 MB in the beginning and 493.9 MB in the end (delta: 258.5 MB). Free memory was 190.3 MB in the beginning and 206.8 MB in the end (delta: -16.4 MB). Peak memory consumption was 242.0 MB. Max. memory is 7.1 GB. [2020-07-19 22:51:21,946 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 737.34 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.4 MB in the beginning and 169.5 MB in the end (delta: -68.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.41 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 165.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1418.59 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 191.8 MB in the end (delta: -26.4 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14461.72 ms. Allocated memory was 235.4 MB in the beginning and 493.9 MB in the end (delta: 258.5 MB). Free memory was 190.3 MB in the beginning and 206.8 MB in the end (delta: -16.4 MB). Peak memory consumption was 242.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 996]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L90] int pumpRunning = 0; [L91] int systemActive = 1; [L427] int waterLevel = 1; [L428] int methaneLevelCritical = 0; [L699] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L896] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=173, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=141, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=137, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] int retValue_acc ; [L970] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L974] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L975] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L976] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L976] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L976] tmp = valid_product() [L978] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L980] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L981] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L963] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L358] int splverifierCounter ; [L359] int tmp ; [L360] int tmp___0 ; [L361] int tmp___1 ; [L362] int tmp___2 ; [L365] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L367] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L369] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L375] tmp = __VERIFIER_nondet_int() [L377] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L379] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L445] COND TRUE waterLevel < 2 [L446] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L379] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L385] tmp___0 = __VERIFIER_nondet_int() [L387] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L395] tmp___2 = __VERIFIER_nondet_int() [L397] COND FALSE !(\read(tmp___2)) [L403] tmp___1 = __VERIFIER_nondet_int() [L405] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=-2, tmp___2=0, waterLevel=2] [L407] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L334] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L341] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L407] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=-1, tmp___0=0, tmp___1=-2, tmp___2=0, waterLevel=2] [L414] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L98] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L105] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L113] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1002] int tmp ; [L1003] int tmp___0 ; [L1004] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1008] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L466] int retValue_acc ; [L469] retValue_acc = methaneLevelCritical [L470] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L1008] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1008] tmp = isMethaneLevelCritical() [L1010] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L1014] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L498] int retValue_acc ; [L501] retValue_acc = waterLevel [L502] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L1014] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L1014] tmp___0 = getWaterLevel() [L1016] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L1018] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L248] int retValue_acc ; [L251] retValue_acc = pumpRunning [L252] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L1018] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L1018] tmp___1 = isPumpRunning() [L1020] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L1024] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L996] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 265 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 629 SDtfs, 1054 SDslu, 414 SDs, 0 SdLazy, 2428 SolverSat, 646 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=653occurred 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: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 222 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 62514 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...