/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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:50:26,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:50:26,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:50:26,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:50:26,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:50:26,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:50:26,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:50:26,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:50:26,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:50:26,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:50:26,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:50:26,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:50:26,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:50:26,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:50:26,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:50:26,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:50:26,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:50:26,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:50:26,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:50:26,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:50:26,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:50:26,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:50:26,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:50:26,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:50:26,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:50:26,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:50:26,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:50:26,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:50:26,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:50:26,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:50:26,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:50:26,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:50:26,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:50:26,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:50:26,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:50:26,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:50:26,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:50:26,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:50:26,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:50:26,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:50:26,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:50:26,093 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 22:50:26,107 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:50:26,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:50:26,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:50:26,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:50:26,109 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:50:26,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:50:26,109 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:50:26,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:50:26,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:50:26,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:50:26,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:50:26,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:50:26,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:50:26,111 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:50:26,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:50:26,111 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:50:26,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:50:26,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:50:26,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:50:26,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:50:26,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:50:26,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:50:26,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:50:26,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:50:26,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:50:26,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:50:26,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:50:26,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:50:26,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:50:26,114 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 22:50:26,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:50:26,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:50:26,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:50:26,483 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:50:26,483 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:50:26,484 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product32.cil.c [2020-07-19 22:50:26,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eeacf7ac/c506319c11084d2f88574f2e7a13ae14/FLAGee18f1e1d [2020-07-19 22:50:27,086 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:50:27,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product32.cil.c [2020-07-19 22:50:27,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eeacf7ac/c506319c11084d2f88574f2e7a13ae14/FLAGee18f1e1d [2020-07-19 22:50:27,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eeacf7ac/c506319c11084d2f88574f2e7a13ae14 [2020-07-19 22:50:27,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:50:27,354 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:50:27,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:50:27,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:50:27,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:50:27,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:50:27" (1/1) ... [2020-07-19 22:50:27,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b5de40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:27, skipping insertion in model container [2020-07-19 22:50:27,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:50:27" (1/1) ... [2020-07-19 22:50:27,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:50:27,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:50:27,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:50:27,821 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:50:27,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:50:27,960 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:50:27,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:27 WrapperNode [2020-07-19 22:50:27,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:50:27,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:50:27,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:50:27,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:50:27,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:27" (1/1) ... [2020-07-19 22:50:27,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:27" (1/1) ... [2020-07-19 22:50:27,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:27" (1/1) ... [2020-07-19 22:50:27,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:27" (1/1) ... [2020-07-19 22:50:28,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:27" (1/1) ... [2020-07-19 22:50:28,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:27" (1/1) ... [2020-07-19 22:50:28,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:27" (1/1) ... [2020-07-19 22:50:28,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:50:28,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:50:28,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:50:28,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:50:28,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:27" (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 22:50:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:50:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:50:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:50:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:50:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:50:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:50:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:50:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:50:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:50:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:50:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:50:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:50:28,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:50:28,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:50:28,131 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:50:28,132 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:50:28,132 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:50:28,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:50:28,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:50:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:50:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:50:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 22:50:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:50:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:50:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:50:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:50:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:50:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:50:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:50:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-19 22:50:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:50:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:50:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:50:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:50:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:50:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:50:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:50:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:50:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:50:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:50:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:50:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:50:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:50:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:50:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:50:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:50:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:50:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:50:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:50:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:50:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:50:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:50:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:50:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:50:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:50:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:50:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:50:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:50:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:50:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:50:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:50:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:50:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:50:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:50:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 22:50:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:50:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:50:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:50:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:50:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:50:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:50:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:50:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:50:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:50:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:50:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:50:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-19 22:50:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:50:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:50:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:50:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:50:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:50:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:50:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:50:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:50:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:50:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:50:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:50:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:50:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:50:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:50:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:50:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:50:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:50:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:50:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:50:29,284 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:50:29,286 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:50:29,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:50:29 BoogieIcfgContainer [2020-07-19 22:50:29,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:50:29,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:50:29,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:50:29,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:50:29,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:50:27" (1/3) ... [2020-07-19 22:50:29,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162a4e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:50:29, skipping insertion in model container [2020-07-19 22:50:29,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:27" (2/3) ... [2020-07-19 22:50:29,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162a4e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:50:29, skipping insertion in model container [2020-07-19 22:50:29,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:50:29" (3/3) ... [2020-07-19 22:50:29,304 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product32.cil.c [2020-07-19 22:50:29,314 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:50:29,322 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:50:29,334 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:50:29,359 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:50:29,359 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:50:29,359 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:50:29,359 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:50:29,360 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:50:29,360 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:50:29,360 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:50:29,360 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:50:29,383 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-07-19 22:50:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:50:29,394 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:29,395 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 22:50:29,396 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:29,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:29,401 INFO L82 PathProgramCache]: Analyzing trace with hash 628645976, now seen corresponding path program 1 times [2020-07-19 22:50:29,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:29,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270998247] [2020-07-19 22:50:29,412 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2d35f499 [2020-07-19 22:50:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,085 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,199 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 22:50:30,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270998247] [2020-07-19 22:50:30,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:30,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:50:30,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429373904] [2020-07-19 22:50:30,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:50:30,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:30,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:50:30,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:50:30,235 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 3 states. [2020-07-19 22:50:31,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:31,528 INFO L93 Difference]: Finished difference Result 314 states and 413 transitions. [2020-07-19 22:50:31,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:50:31,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-19 22:50:31,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:31,547 INFO L225 Difference]: With dead ends: 314 [2020-07-19 22:50:31,547 INFO L226 Difference]: Without dead ends: 170 [2020-07-19 22:50:31,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:50:31,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-19 22:50:31,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 135. [2020-07-19 22:50:31,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-19 22:50:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 160 transitions. [2020-07-19 22:50:31,685 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 160 transitions. Word has length 52 [2020-07-19 22:50:31,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:31,687 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 160 transitions. [2020-07-19 22:50:31,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:50:31,687 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2020-07-19 22:50:31,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-19 22:50:31,698 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:31,698 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 22:50:31,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:50:31,699 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:31,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:31,700 INFO L82 PathProgramCache]: Analyzing trace with hash 364620848, now seen corresponding path program 1 times [2020-07-19 22:50:31,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:31,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901601521] [2020-07-19 22:50:31,700 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2d35f499 [2020-07-19 22:50:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:32,092 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:32,179 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 22:50:32,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901601521] [2020-07-19 22:50:32,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:32,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:50:32,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257949265] [2020-07-19 22:50:32,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:50:32,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:32,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:50:32,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:50:32,184 INFO L87 Difference]: Start difference. First operand 135 states and 160 transitions. Second operand 4 states. [2020-07-19 22:50:32,624 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:50:33,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:33,483 INFO L93 Difference]: Finished difference Result 237 states and 292 transitions. [2020-07-19 22:50:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:50:33,484 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-19 22:50:33,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:33,486 INFO L225 Difference]: With dead ends: 237 [2020-07-19 22:50:33,487 INFO L226 Difference]: Without dead ends: 154 [2020-07-19 22:50:33,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:50:33,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-19 22:50:33,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 126. [2020-07-19 22:50:33,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-19 22:50:33,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2020-07-19 22:50:33,558 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 53 [2020-07-19 22:50:33,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:33,559 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2020-07-19 22:50:33,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:50:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2020-07-19 22:50:33,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-19 22:50:33,564 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:33,565 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 22:50:33,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:50:33,565 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:33,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:33,565 INFO L82 PathProgramCache]: Analyzing trace with hash -840364754, now seen corresponding path program 1 times [2020-07-19 22:50:33,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:33,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008343502] [2020-07-19 22:50:33,566 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2d35f499 [2020-07-19 22:50:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:33,934 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:34,057 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 22:50:34,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008343502] [2020-07-19 22:50:34,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:34,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:50:34,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604711693] [2020-07-19 22:50:34,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:50:34,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:34,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:50:34,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:50:34,060 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand 8 states. [2020-07-19 22:50:34,490 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:34,810 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:35,065 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:35,297 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:36,052 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:50:37,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:37,995 INFO L93 Difference]: Finished difference Result 439 states and 548 transitions. [2020-07-19 22:50:37,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:50:37,997 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-19 22:50:37,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:38,003 INFO L225 Difference]: With dead ends: 439 [2020-07-19 22:50:38,003 INFO L226 Difference]: Without dead ends: 337 [2020-07-19 22:50:38,005 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 22:50:38,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-07-19 22:50:38,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 272. [2020-07-19 22:50:38,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-07-19 22:50:38,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 331 transitions. [2020-07-19 22:50:38,104 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 331 transitions. Word has length 58 [2020-07-19 22:50:38,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:38,104 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 331 transitions. [2020-07-19 22:50:38,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:50:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 331 transitions. [2020-07-19 22:50:38,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-19 22:50:38,106 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:38,106 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 22:50:38,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:50:38,107 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:38,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:38,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1271614513, now seen corresponding path program 1 times [2020-07-19 22:50:38,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:38,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147815881] [2020-07-19 22:50:38,108 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2d35f499 [2020-07-19 22:50:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:38,422 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:38,510 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 22:50:38,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147815881] [2020-07-19 22:50:38,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:38,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:50:38,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458938539] [2020-07-19 22:50:38,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:50:38,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:38,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:50:38,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:50:38,513 INFO L87 Difference]: Start difference. First operand 272 states and 331 transitions. Second operand 8 states. [2020-07-19 22:50:38,909 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:40,291 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:40,645 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:40,995 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:41,262 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:42,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:42,077 INFO L93 Difference]: Finished difference Result 839 states and 1103 transitions. [2020-07-19 22:50:42,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-19 22:50:42,078 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-19 22:50:42,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:42,085 INFO L225 Difference]: With dead ends: 839 [2020-07-19 22:50:42,085 INFO L226 Difference]: Without dead ends: 591 [2020-07-19 22:50:42,088 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 22:50:42,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2020-07-19 22:50:42,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 521. [2020-07-19 22:50:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2020-07-19 22:50:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 649 transitions. [2020-07-19 22:50:42,209 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 649 transitions. Word has length 63 [2020-07-19 22:50:42,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:42,210 INFO L479 AbstractCegarLoop]: Abstraction has 521 states and 649 transitions. [2020-07-19 22:50:42,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:50:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 649 transitions. [2020-07-19 22:50:42,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-19 22:50:42,213 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:42,213 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 22:50:42,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:50:42,214 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:42,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:42,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1708991285, now seen corresponding path program 1 times [2020-07-19 22:50:42,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:42,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879618724] [2020-07-19 22:50:42,215 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2d35f499 [2020-07-19 22:50:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:50:42,268 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:50:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:50:42,353 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:50:42,431 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-19 22:50:42,431 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-19 22:50:42,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:50:42,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:50:42 BoogieIcfgContainer [2020-07-19 22:50:42,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:50:42,599 INFO L168 Benchmark]: Toolchain (without parser) took 15246.21 ms. Allocated memory was 142.6 MB in the beginning and 501.2 MB in the end (delta: 358.6 MB). Free memory was 100.0 MB in the beginning and 435.4 MB in the end (delta: -335.3 MB). Peak memory consumption was 331.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:42,602 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 22:50:42,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.26 ms. Allocated memory was 142.6 MB in the beginning and 198.2 MB in the end (delta: 55.6 MB). Free memory was 99.6 MB in the beginning and 166.9 MB in the end (delta: -67.3 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:42,605 INFO L168 Benchmark]: Boogie Preprocessor took 90.73 ms. Allocated memory is still 198.2 MB. Free memory was 166.9 MB in the beginning and 162.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:42,606 INFO L168 Benchmark]: RCFGBuilder took 1242.81 ms. Allocated memory was 198.2 MB in the beginning and 226.5 MB in the end (delta: 28.3 MB). Free memory was 162.2 MB in the beginning and 190.0 MB in the end (delta: -27.8 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:42,609 INFO L168 Benchmark]: TraceAbstraction took 13300.98 ms. Allocated memory was 226.5 MB in the beginning and 501.2 MB in the end (delta: 274.7 MB). Free memory was 188.5 MB in the beginning and 435.4 MB in the end (delta: -246.8 MB). Peak memory consumption was 336.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:42,617 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 605.26 ms. Allocated memory was 142.6 MB in the beginning and 198.2 MB in the end (delta: 55.6 MB). Free memory was 99.6 MB in the beginning and 166.9 MB in the end (delta: -67.3 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.73 ms. Allocated memory is still 198.2 MB. Free memory was 166.9 MB in the beginning and 162.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1242.81 ms. Allocated memory was 198.2 MB in the beginning and 226.5 MB in the end (delta: 28.3 MB). Free memory was 162.2 MB in the beginning and 190.0 MB in the end (delta: -27.8 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13300.98 ms. Allocated memory was 226.5 MB in the beginning and 501.2 MB in the end (delta: 274.7 MB). Free memory was 188.5 MB in the beginning and 435.4 MB in the end (delta: -246.8 MB). Peak memory consumption was 336.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 712]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L489] int pumpRunning = 0; [L490] int systemActive = 1; [L717] int cleanupTimeShifts = 4; [L886] int waterLevel = 1; [L887] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=151, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L793] int retValue_acc ; [L794] 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] [L798] 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] [L799] 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] [L800] 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] [L877] int retValue_acc ; [L880] retValue_acc = 1 [L881] 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] [L800] 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] [L800] tmp = valid_product() [L802] 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] [L804] 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] [L805] 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] [L784] 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] [L413] int splverifierCounter ; [L414] int tmp ; [L415] int tmp___0 ; [L416] int tmp___1 ; [L417] int tmp___2 ; [L420] 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] [L422] 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] [L424] 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] [L430] tmp = __VERIFIER_nondet_int() [L432] 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] [L434] 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] [L904] COND TRUE waterLevel < 2 [L905] 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] [L434] 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] [L440] tmp___0 = __VERIFIER_nondet_int() [L442] 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] [L450] tmp___2 = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp___2)) [L458] tmp___1 = __VERIFIER_nondet_int() [L460] 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=1, tmp___2=0, waterLevel=2] [L462] 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] [L688] 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] [L695] 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] [L462] 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=1, tmp___2=0, waterLevel=2] [L469] 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] [L497] 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] [L504] 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] [L512] 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] [L818] int tmp ; [L819] int tmp___0 ; [L820] 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] [L824] 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] [L925] int retValue_acc ; [L928] retValue_acc = methaneLevelCritical [L929] 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] [L824] 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] [L824] tmp = isMethaneLevelCritical() [L826] 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] [L830] 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] [L957] int retValue_acc ; [L960] retValue_acc = waterLevel [L961] 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] [L830] 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] [L830] tmp___0 = getWaterLevel() [L832] 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] [L834] 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] [L621] int retValue_acc ; [L624] retValue_acc = pumpRunning [L625] 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] [L834] 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] [L834] tmp___1 = isPumpRunning() [L836] 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] [L840] 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] [L712] __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 41 procedures, 244 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 517 SDtfs, 813 SDslu, 376 SDs, 0 SdLazy, 1979 SolverSat, 520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s 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=521occurred 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, 198 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 62058 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...