/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:02:41,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:02:41,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:02:41,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:02:41,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:02:41,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:02:41,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:02:41,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:02:41,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:02:41,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:02:41,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:02:41,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:02:41,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:02:41,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:02:41,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:02:41,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:02:41,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:02:41,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:02:41,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:02:41,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:02:41,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:02:41,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:02:41,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:02:41,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:02:41,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:02:41,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:02:41,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:02:41,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:02:41,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:02:41,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:02:41,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:02:41,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:02:41,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:02:41,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:02:41,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:02:41,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:02:41,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:02:41,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:02:41,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:02:41,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:02:41,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:02:41,289 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 13:02:41,326 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:02:41,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:02:41,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:02:41,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:02:41,332 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:02:41,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:02:41,332 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:02:41,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:02:41,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:02:41,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:02:41,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:02:41,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:02:41,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:02:41,336 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:02:41,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:02:41,336 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:02:41,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:02:41,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:02:41,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:02:41,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:02:41,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:02:41,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:02:41,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:02:41,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:02:41,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:02:41,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:02:41,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:41,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:02:41,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:02:41,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:02:41,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:02:41,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:02:41,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:02:41,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:02:41,632 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:02:41,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product30.cil.c [2020-07-20 13:02:41,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a69df10b2/fa6a96b7630f4bd0ab5272c46786cdd0/FLAG52dc35db3 [2020-07-20 13:02:42,252 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:02:42,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product30.cil.c [2020-07-20 13:02:42,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a69df10b2/fa6a96b7630f4bd0ab5272c46786cdd0/FLAG52dc35db3 [2020-07-20 13:02:42,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a69df10b2/fa6a96b7630f4bd0ab5272c46786cdd0 [2020-07-20 13:02:42,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:02:42,572 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:02:42,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:02:42,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:02:42,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:02:42,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:42" (1/1) ... [2020-07-20 13:02:42,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2e15f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:42, skipping insertion in model container [2020-07-20 13:02:42,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:42" (1/1) ... [2020-07-20 13:02:42,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:02:42,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:02:42,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:02:43,054 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:02:43,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:02:43,213 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:02:43,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:43 WrapperNode [2020-07-20 13:02:43,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:02:43,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:02:43,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:02:43,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:02:43,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:43" (1/1) ... [2020-07-20 13:02:43,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:43" (1/1) ... [2020-07-20 13:02:43,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:43" (1/1) ... [2020-07-20 13:02:43,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:43" (1/1) ... [2020-07-20 13:02:43,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:43" (1/1) ... [2020-07-20 13:02:43,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:43" (1/1) ... [2020-07-20 13:02:43,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:43" (1/1) ... [2020-07-20 13:02:43,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:02:43,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:02:43,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:02:43,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:02:43,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:02:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:02:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:02:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:02:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:02:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:02:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:02:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:02:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:02:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:02:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:02:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:02:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:02:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:02:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:02:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:02:43,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:02:43,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:02:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:02:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:02:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:02:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:02:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:02:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:02:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:02:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:02:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:02:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:02:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:02:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:02:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:02:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:02:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:02:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:02:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:02:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:02:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:02:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:02:43,374 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:02:43,374 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:02:43,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-20 13:02:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:02:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:02:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:02:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:02:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:02:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:02:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:02:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:02:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:02:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:02:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:02:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:02:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:02:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:02:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:02:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:02:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:02:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:02:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:02:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:02:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:02:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:02:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:02:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:02:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:02:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:02:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:02:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:02:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:02:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:02:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:02:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:02:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:02:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:02:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:02:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:02:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:02:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:02:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:02:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:02:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:02:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:02:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-20 13:02:43,380 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:02:43,380 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:02:43,380 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:02:43,380 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:02:43,380 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:02:43,380 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:02:43,380 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:02:43,380 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:02:43,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:02:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:02:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:02:44,424 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:02:44,425 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:02:44,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:44 BoogieIcfgContainer [2020-07-20 13:02:44,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:02:44,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:02:44,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:02:44,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:02:44,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:02:42" (1/3) ... [2020-07-20 13:02:44,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b0c5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:44, skipping insertion in model container [2020-07-20 13:02:44,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:43" (2/3) ... [2020-07-20 13:02:44,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b0c5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:44, skipping insertion in model container [2020-07-20 13:02:44,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:44" (3/3) ... [2020-07-20 13:02:44,439 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product30.cil.c [2020-07-20 13:02:44,450 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:02:44,458 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:02:44,473 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:02:44,498 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:02:44,498 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:02:44,498 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:02:44,498 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:02:44,498 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:02:44,499 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:02:44,499 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:02:44,499 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:02:44,522 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2020-07-20 13:02:44,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:02:44,532 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:44,533 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] [2020-07-20 13:02:44,534 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:44,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:44,539 INFO L82 PathProgramCache]: Analyzing trace with hash -48518306, now seen corresponding path program 1 times [2020-07-20 13:02:44,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:44,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554298696] [2020-07-20 13:02:44,547 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:45,061 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:45,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:45,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:02:45,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:45,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:45,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:45,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554298696] [2020-07-20 13:02:45,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:45,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:02:45,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167243399] [2020-07-20 13:02:45,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:02:45,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:45,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:02:45,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:02:45,141 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 2 states. [2020-07-20 13:02:45,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:45,185 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2020-07-20 13:02:45,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:02:45,187 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2020-07-20 13:02:45,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:45,200 INFO L225 Difference]: With dead ends: 258 [2020-07-20 13:02:45,201 INFO L226 Difference]: Without dead ends: 129 [2020-07-20 13:02:45,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:02:45,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-20 13:02:45,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-07-20 13:02:45,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-20 13:02:45,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 152 transitions. [2020-07-20 13:02:45,271 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 152 transitions. Word has length 52 [2020-07-20 13:02:45,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:45,272 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 152 transitions. [2020-07-20 13:02:45,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:02:45,272 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2020-07-20 13:02:45,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 13:02:45,280 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:45,280 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] [2020-07-20 13:02:45,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:45,497 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:45,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:45,498 INFO L82 PathProgramCache]: Analyzing trace with hash 224052050, now seen corresponding path program 1 times [2020-07-20 13:02:45,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:45,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176565453] [2020-07-20 13:02:45,500 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:45,936 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:45,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:45,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:02:45,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:45,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:45,984 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:45,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176565453] [2020-07-20 13:02:45,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:45,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:02:45,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270552056] [2020-07-20 13:02:45,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:02:45,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:45,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:02:45,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:45,988 INFO L87 Difference]: Start difference. First operand 129 states and 152 transitions. Second operand 3 states. [2020-07-20 13:02:46,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:46,010 INFO L93 Difference]: Finished difference Result 203 states and 239 transitions. [2020-07-20 13:02:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:02:46,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-20 13:02:46,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:46,014 INFO L225 Difference]: With dead ends: 203 [2020-07-20 13:02:46,014 INFO L226 Difference]: Without dead ends: 120 [2020-07-20 13:02:46,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:46,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-20 13:02:46,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-07-20 13:02:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-07-20 13:02:46,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2020-07-20 13:02:46,030 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2020-07-20 13:02:46,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:46,031 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2020-07-20 13:02:46,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:02:46,031 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2020-07-20 13:02:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-20 13:02:46,034 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:46,034 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] [2020-07-20 13:02:46,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:46,249 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:46,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:46,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1519728538, now seen corresponding path program 1 times [2020-07-20 13:02:46,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:46,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [378511080] [2020-07-20 13:02:46,251 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:46,681 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:46,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:46,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:02:46,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:46,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:46,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:46,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [378511080] [2020-07-20 13:02:46,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:46,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:02:46,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227734206] [2020-07-20 13:02:46,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:02:46,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:46,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:02:46,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:46,725 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 3 states. [2020-07-20 13:02:46,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:46,746 INFO L93 Difference]: Finished difference Result 216 states and 257 transitions. [2020-07-20 13:02:46,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:02:46,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-07-20 13:02:46,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:46,749 INFO L225 Difference]: With dead ends: 216 [2020-07-20 13:02:46,749 INFO L226 Difference]: Without dead ends: 120 [2020-07-20 13:02:46,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:46,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-20 13:02:46,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-07-20 13:02:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-07-20 13:02:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2020-07-20 13:02:46,764 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 58 [2020-07-20 13:02:46,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:46,765 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2020-07-20 13:02:46,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:02:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2020-07-20 13:02:46,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-20 13:02:46,768 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:46,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:46,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:46,984 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:46,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:46,985 INFO L82 PathProgramCache]: Analyzing trace with hash -531263457, now seen corresponding path program 1 times [2020-07-20 13:02:46,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:46,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435301686] [2020-07-20 13:02:46,986 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:47,387 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:47,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:47,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 13:02:47,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:47,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:47,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1435301686] [2020-07-20 13:02:47,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:47,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:47,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293759977] [2020-07-20 13:02:47,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:47,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:47,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:47,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:47,470 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 6 states. [2020-07-20 13:02:47,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:47,723 INFO L93 Difference]: Finished difference Result 303 states and 367 transitions. [2020-07-20 13:02:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:02:47,729 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2020-07-20 13:02:47,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:47,733 INFO L225 Difference]: With dead ends: 303 [2020-07-20 13:02:47,733 INFO L226 Difference]: Without dead ends: 207 [2020-07-20 13:02:47,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:47,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-07-20 13:02:47,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 205. [2020-07-20 13:02:47,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-07-20 13:02:47,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 244 transitions. [2020-07-20 13:02:47,779 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 244 transitions. Word has length 71 [2020-07-20 13:02:47,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:47,780 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 244 transitions. [2020-07-20 13:02:47,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:47,781 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 244 transitions. [2020-07-20 13:02:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-20 13:02:47,790 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:47,790 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:47,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:47,997 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:47,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:47,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1135016507, now seen corresponding path program 1 times [2020-07-20 13:02:47,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:47,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [259709513] [2020-07-20 13:02:47,999 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:48,379 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:48,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-07-20 13:02:48,380 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 13:02:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 13:02:48,476 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 13:02:48,703 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-20 13:02:48,703 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 13:02:48,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:49,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:02:49 BoogieIcfgContainer [2020-07-20 13:02:49,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:02:49,075 INFO L168 Benchmark]: Toolchain (without parser) took 6504.64 ms. Allocated memory was 146.3 MB in the beginning and 284.7 MB in the end (delta: 138.4 MB). Free memory was 101.1 MB in the beginning and 200.9 MB in the end (delta: -99.8 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:49,076 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 146.3 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:02:49,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.87 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 100.7 MB in the beginning and 173.7 MB in the end (delta: -73.1 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:49,078 INFO L168 Benchmark]: Boogie Preprocessor took 82.09 ms. Allocated memory is still 205.0 MB. Free memory was 173.7 MB in the beginning and 169.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:49,078 INFO L168 Benchmark]: RCFGBuilder took 1134.04 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 169.7 MB in the beginning and 196.6 MB in the end (delta: -26.8 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:49,079 INFO L168 Benchmark]: TraceAbstraction took 4640.48 ms. Allocated memory was 237.0 MB in the beginning and 284.7 MB in the end (delta: 47.7 MB). Free memory was 196.6 MB in the beginning and 200.9 MB in the end (delta: -4.3 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:49,083 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 146.3 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 639.87 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 100.7 MB in the beginning and 173.7 MB in the end (delta: -73.1 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.09 ms. Allocated memory is still 205.0 MB. Free memory was 173.7 MB in the beginning and 169.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1134.04 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 169.7 MB in the beginning and 196.6 MB in the end (delta: -26.8 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4640.48 ms. Allocated memory was 237.0 MB in the beginning and 284.7 MB in the end (delta: 47.7 MB). Free memory was 196.6 MB in the beginning and 200.9 MB in the end (delta: -4.3 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 883]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L407] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L675] int pumpRunning = 0; [L676] int systemActive = 1; VAL [\old(cleanupTimeShifts)=91, \old(head)=70, \old(head)=36, \old(methaneLevelCritical)=69, \old(pumpRunning)=27, \old(systemActive)=72, \old(waterLevel)=37, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L215] int retValue_acc ; [L216] 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] [L220] 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] [L221] 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] [L222] 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] [L914] int retValue_acc ; [L917] retValue_acc = 1 [L918] 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] [L222] 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] [L222] tmp = valid_product() [L224] 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] [L226] 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] [L227] 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] [L206] 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] [L606] int splverifierCounter ; [L607] int tmp ; [L608] int tmp___0 ; [L609] int tmp___1 ; [L610] int tmp___2 ; [L613] 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] [L615] 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] [L617] 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] [L623] tmp = __VERIFIER_nondet_int() [L625] 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] [L627] 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] [L65] COND TRUE waterLevel < 2 [L66] 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] [L627] 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] [L633] tmp___0 = __VERIFIER_nondet_int() [L635] 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] [L643] tmp___2 = __VERIFIER_nondet_int() [L645] COND FALSE !(\read(tmp___2)) [L651] tmp___1 = __VERIFIER_nondet_int() [L653] 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] [L660] 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=1, waterLevel=2] [L683] 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=1, waterLevel=2] [L690] COND TRUE \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=1, waterLevel=2] [L692] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L738] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L741] 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=1, waterLevel=2] [L756] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L712] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L715] 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=1, waterLevel=2] [L730] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L692] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L698] 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=1, waterLevel=2] [L924] int tmp ; [L925] int tmp___0 ; [L926] 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=1, waterLevel=2] [L930] 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=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] 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=1, waterLevel=2] [L930] 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=1, waterLevel=2] [L930] tmp = isMethaneLevelCritical() [L932] 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=1, tmp=0, waterLevel=2] [L936] 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=1, waterLevel=2] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] 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=1, waterLevel=2] [L936] 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=1, tmp=0, waterLevel=2] [L936] tmp___0 = getWaterLevel() [L938] 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=1, tmp=0, tmp___0=2, waterLevel=2] [L940] 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=1, waterLevel=2] [L807] int retValue_acc ; [L810] retValue_acc = pumpRunning [L811] 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=1, waterLevel=2] [L940] 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=1, tmp=0, tmp___0=2, waterLevel=2] [L940] tmp___1 = isPumpRunning() [L942] 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=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L946] 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=1, waterLevel=2] [L883] __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=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 596 SDtfs, 183 SDslu, 641 SDs, 0 SdLazy, 91 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 232 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 309 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 26638 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2645 ConjunctsInSsa, 25 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...