/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_VARIABLES --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_spec2_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 00:56:37,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 00:56:37,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 00:56:37,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 00:56:37,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 00:56:37,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 00:56:37,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 00:56:37,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 00:56:37,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 00:56:37,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 00:56:37,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 00:56:37,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 00:56:37,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 00:56:37,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 00:56:37,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 00:56:37,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 00:56:37,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 00:56:37,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 00:56:37,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 00:56:37,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 00:56:37,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 00:56:37,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 00:56:37,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 00:56:37,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 00:56:37,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 00:56:37,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 00:56:37,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 00:56:37,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 00:56:37,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 00:56:37,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 00:56:37,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 00:56:37,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 00:56:37,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 00:56:37,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 00:56:37,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 00:56:37,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 00:56:37,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 00:56:37,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 00:56:37,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 00:56:37,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 00:56:37,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 00:56:37,337 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 00:56:37,351 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 00:56:37,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 00:56:37,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 00:56:37,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 00:56:37,354 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 00:56:37,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 00:56:37,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 00:56:37,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 00:56:37,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 00:56:37,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 00:56:37,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 00:56:37,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 00:56:37,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 00:56:37,356 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 00:56:37,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 00:56:37,356 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 00:56:37,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 00:56:37,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 00:56:37,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 00:56:37,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 00:56:37,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 00:56:37,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:56:37,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 00:56:37,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 00:56:37,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 00:56:37,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 00:56:37,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 00:56:37,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 00:56:37,359 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 00:56:37,359 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_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 00:56:37,644 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 00:56:37,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 00:56:37,661 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 00:56:37,663 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 00:56:37,663 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 00:56:37,664 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-07-20 00:56:37,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b02c5659/d843ba59ab474940b1fca1b831f71c44/FLAGaaad49bf4 [2020-07-20 00:56:38,204 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 00:56:38,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-07-20 00:56:38,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b02c5659/d843ba59ab474940b1fca1b831f71c44/FLAGaaad49bf4 [2020-07-20 00:56:38,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b02c5659/d843ba59ab474940b1fca1b831f71c44 [2020-07-20 00:56:38,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 00:56:38,514 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 00:56:38,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 00:56:38,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 00:56:38,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 00:56:38,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:56:38" (1/1) ... [2020-07-20 00:56:38,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bcee9e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:38, skipping insertion in model container [2020-07-20 00:56:38,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:56:38" (1/1) ... [2020-07-20 00:56:38,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 00:56:38,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 00:56:38,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:56:39,057 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 00:56:39,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:56:39,179 INFO L208 MainTranslator]: Completed translation [2020-07-20 00:56:39,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:39 WrapperNode [2020-07-20 00:56:39,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 00:56:39,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 00:56:39,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 00:56:39,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 00:56:39,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:39" (1/1) ... [2020-07-20 00:56:39,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:39" (1/1) ... [2020-07-20 00:56:39,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:39" (1/1) ... [2020-07-20 00:56:39,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:39" (1/1) ... [2020-07-20 00:56:39,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:39" (1/1) ... [2020-07-20 00:56:39,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:39" (1/1) ... [2020-07-20 00:56:39,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:39" (1/1) ... [2020-07-20 00:56:39,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 00:56:39,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 00:56:39,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 00:56:39,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 00:56:39,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:39" (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 00:56:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 00:56:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 00:56:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 00:56:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 00:56:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 00:56:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 00:56:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 00:56:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 00:56:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 00:56:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 00:56:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 00:56:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 00:56:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 00:56:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 00:56:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 00:56:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 00:56:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 00:56:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 00:56:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 00:56:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 00:56:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 00:56:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 00:56:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 00:56:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 00:56:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 00:56:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 00:56:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 00:56:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 00:56:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 00:56:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 00:56:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 00:56:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 00:56:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 00:56:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 00:56:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 00:56:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 00:56:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 00:56:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 00:56:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 00:56:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 00:56:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 00:56:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 00:56:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 00:56:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 00:56:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 00:56:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 00:56:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 00:56:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 00:56:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 00:56:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 00:56:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 00:56:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 00:56:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 00:56:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 00:56:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 00:56:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 00:56:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 00:56:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 00:56:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 00:56:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 00:56:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 00:56:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 00:56:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 00:56:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 00:56:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 00:56:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 00:56:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 00:56:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 00:56:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 00:56:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 00:56:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 00:56:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 00:56:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 00:56:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 00:56:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 00:56:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 00:56:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 00:56:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 00:56:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 00:56:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 00:56:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 00:56:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 00:56:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 00:56:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 00:56:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 00:56:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 00:56:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 00:56:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 00:56:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 00:56:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 00:56:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 00:56:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 00:56:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 00:56:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 00:56:40,543 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 00:56:40,543 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 00:56:40,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:56:40 BoogieIcfgContainer [2020-07-20 00:56:40,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 00:56:40,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 00:56:40,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 00:56:40,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 00:56:40,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:56:38" (1/3) ... [2020-07-20 00:56:40,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2122f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:56:40, skipping insertion in model container [2020-07-20 00:56:40,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:39" (2/3) ... [2020-07-20 00:56:40,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2122f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:56:40, skipping insertion in model container [2020-07-20 00:56:40,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:56:40" (3/3) ... [2020-07-20 00:56:40,558 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product43.cil.c [2020-07-20 00:56:40,569 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 00:56:40,577 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 00:56:40,592 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 00:56:40,615 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 00:56:40,616 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 00:56:40,616 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 00:56:40,616 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 00:56:40,616 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 00:56:40,616 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 00:56:40,617 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 00:56:40,617 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 00:56:40,640 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2020-07-20 00:56:40,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 00:56:40,650 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:40,651 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] [2020-07-20 00:56:40,651 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:40,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:40,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1550952004, now seen corresponding path program 1 times [2020-07-20 00:56:40,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:40,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343674453] [2020-07-20 00:56:40,665 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d8b39fb [2020-07-20 00:56:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:41,408 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:41,545 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 00:56:41,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343674453] [2020-07-20 00:56:41,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:41,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 00:56:41,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320044792] [2020-07-20 00:56:41,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 00:56:41,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:41,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 00:56:41,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 00:56:41,572 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 4 states. [2020-07-20 00:56:42,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:42,704 INFO L93 Difference]: Finished difference Result 295 states and 383 transitions. [2020-07-20 00:56:42,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 00:56:42,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-20 00:56:42,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:42,721 INFO L225 Difference]: With dead ends: 295 [2020-07-20 00:56:42,721 INFO L226 Difference]: Without dead ends: 165 [2020-07-20 00:56:42,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 00:56:42,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-07-20 00:56:42,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 131. [2020-07-20 00:56:42,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-20 00:56:42,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2020-07-20 00:56:42,822 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 51 [2020-07-20 00:56:42,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:42,822 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2020-07-20 00:56:42,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 00:56:42,823 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2020-07-20 00:56:42,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 00:56:42,827 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:42,827 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 00:56:42,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 00:56:42,827 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:42,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:42,828 INFO L82 PathProgramCache]: Analyzing trace with hash -185895496, now seen corresponding path program 1 times [2020-07-20 00:56:42,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:42,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200906220] [2020-07-20 00:56:42,829 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d8b39fb [2020-07-20 00:56:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,138 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,188 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 00:56:43,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200906220] [2020-07-20 00:56:43,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:43,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 00:56:43,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467029956] [2020-07-20 00:56:43,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 00:56:43,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:43,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 00:56:43,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 00:56:43,192 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand 5 states. [2020-07-20 00:56:43,681 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:44,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:44,591 INFO L93 Difference]: Finished difference Result 231 states and 284 transitions. [2020-07-20 00:56:44,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 00:56:44,593 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-20 00:56:44,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:44,598 INFO L225 Difference]: With dead ends: 231 [2020-07-20 00:56:44,598 INFO L226 Difference]: Without dead ends: 155 [2020-07-20 00:56:44,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 00:56:44,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-07-20 00:56:44,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 122. [2020-07-20 00:56:44,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-07-20 00:56:44,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 141 transitions. [2020-07-20 00:56:44,636 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 141 transitions. Word has length 52 [2020-07-20 00:56:44,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:44,637 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 141 transitions. [2020-07-20 00:56:44,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 00:56:44,637 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 141 transitions. [2020-07-20 00:56:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 00:56:44,639 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:44,639 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] [2020-07-20 00:56:44,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 00:56:44,640 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:44,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:44,640 INFO L82 PathProgramCache]: Analyzing trace with hash 794087253, now seen corresponding path program 1 times [2020-07-20 00:56:44,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:44,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472378690] [2020-07-20 00:56:44,641 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d8b39fb [2020-07-20 00:56:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:44,993 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:45,088 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 00:56:45,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472378690] [2020-07-20 00:56:45,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:45,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 00:56:45,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063175480] [2020-07-20 00:56:45,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:56:45,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:45,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:56:45,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:56:45,092 INFO L87 Difference]: Start difference. First operand 122 states and 141 transitions. Second operand 9 states. [2020-07-20 00:56:45,518 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:45,831 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:46,087 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:46,351 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:47,133 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:48,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:48,848 INFO L93 Difference]: Finished difference Result 414 states and 517 transitions. [2020-07-20 00:56:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 00:56:48,849 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-07-20 00:56:48,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:48,857 INFO L225 Difference]: With dead ends: 414 [2020-07-20 00:56:48,857 INFO L226 Difference]: Without dead ends: 320 [2020-07-20 00:56:48,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-20 00:56:48,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-07-20 00:56:48,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 247. [2020-07-20 00:56:48,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-07-20 00:56:48,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 296 transitions. [2020-07-20 00:56:48,924 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 296 transitions. Word has length 56 [2020-07-20 00:56:48,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:48,924 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 296 transitions. [2020-07-20 00:56:48,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:56:48,924 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 296 transitions. [2020-07-20 00:56:48,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 00:56:48,927 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:48,927 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] [2020-07-20 00:56:48,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 00:56:48,927 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:48,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:48,928 INFO L82 PathProgramCache]: Analyzing trace with hash -2145966964, now seen corresponding path program 1 times [2020-07-20 00:56:48,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:48,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917181533] [2020-07-20 00:56:48,929 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d8b39fb [2020-07-20 00:56:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:49,232 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:49,373 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 00:56:49,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917181533] [2020-07-20 00:56:49,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:49,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 00:56:49,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241223025] [2020-07-20 00:56:49,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:56:49,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:49,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:56:49,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:56:49,376 INFO L87 Difference]: Start difference. First operand 247 states and 296 transitions. Second operand 9 states. [2020-07-20 00:56:49,787 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:50,911 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:51,231 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:51,473 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:51,750 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:52,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:52,777 INFO L93 Difference]: Finished difference Result 791 states and 1035 transitions. [2020-07-20 00:56:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 00:56:52,780 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-07-20 00:56:52,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:52,786 INFO L225 Difference]: With dead ends: 791 [2020-07-20 00:56:52,786 INFO L226 Difference]: Without dead ends: 572 [2020-07-20 00:56:52,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-20 00:56:52,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-07-20 00:56:52,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 442. [2020-07-20 00:56:52,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-07-20 00:56:52,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 532 transitions. [2020-07-20 00:56:52,902 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 532 transitions. Word has length 62 [2020-07-20 00:56:52,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:52,903 INFO L479 AbstractCegarLoop]: Abstraction has 442 states and 532 transitions. [2020-07-20 00:56:52,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:56:52,903 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 532 transitions. [2020-07-20 00:56:52,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-20 00:56:52,906 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:52,906 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] [2020-07-20 00:56:52,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 00:56:52,907 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:52,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:52,907 INFO L82 PathProgramCache]: Analyzing trace with hash -664368024, now seen corresponding path program 1 times [2020-07-20 00:56:52,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:52,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031713566] [2020-07-20 00:56:52,908 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d8b39fb [2020-07-20 00:56:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:53,197 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:53,328 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 00:56:53,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031713566] [2020-07-20 00:56:53,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:53,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 00:56:53,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377468661] [2020-07-20 00:56:53,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 00:56:53,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:53,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 00:56:53,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-20 00:56:53,332 INFO L87 Difference]: Start difference. First operand 442 states and 532 transitions. Second operand 10 states. [2020-07-20 00:56:53,757 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:54,764 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:55,094 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:55,351 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:55,976 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:56,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:56,978 INFO L93 Difference]: Finished difference Result 1232 states and 1648 transitions. [2020-07-20 00:56:56,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-20 00:56:56,979 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-07-20 00:56:56,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:56,986 INFO L225 Difference]: With dead ends: 1232 [2020-07-20 00:56:56,987 INFO L226 Difference]: Without dead ends: 818 [2020-07-20 00:56:56,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2020-07-20 00:56:56,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2020-07-20 00:56:57,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 633. [2020-07-20 00:56:57,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-07-20 00:56:57,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 763 transitions. [2020-07-20 00:56:57,134 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 763 transitions. Word has length 66 [2020-07-20 00:56:57,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:57,134 INFO L479 AbstractCegarLoop]: Abstraction has 633 states and 763 transitions. [2020-07-20 00:56:57,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 00:56:57,135 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 763 transitions. [2020-07-20 00:56:57,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 00:56:57,138 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:57,138 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:56:57,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 00:56:57,139 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:57,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:57,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1705973146, now seen corresponding path program 1 times [2020-07-20 00:56:57,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:57,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147235925] [2020-07-20 00:56:57,140 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d8b39fb [2020-07-20 00:56:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,400 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:57,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 00:56:57,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147235925] [2020-07-20 00:56:57,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:57,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 00:56:57,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315772749] [2020-07-20 00:56:57,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 00:56:57,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:57,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 00:56:57,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-20 00:56:57,564 INFO L87 Difference]: Start difference. First operand 633 states and 763 transitions. Second operand 10 states. [2020-07-20 00:56:57,979 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:58,933 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:59,179 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 00:56:59,434 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:59,697 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:01,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:01,836 INFO L93 Difference]: Finished difference Result 2244 states and 3169 transitions. [2020-07-20 00:57:01,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-20 00:57:01,837 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-07-20 00:57:01,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:01,854 INFO L225 Difference]: With dead ends: 2244 [2020-07-20 00:57:01,854 INFO L226 Difference]: Without dead ends: 1639 [2020-07-20 00:57:01,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-07-20 00:57:01,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2020-07-20 00:57:02,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1215. [2020-07-20 00:57:02,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2020-07-20 00:57:02,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1468 transitions. [2020-07-20 00:57:02,189 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1468 transitions. Word has length 98 [2020-07-20 00:57:02,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:02,189 INFO L479 AbstractCegarLoop]: Abstraction has 1215 states and 1468 transitions. [2020-07-20 00:57:02,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 00:57:02,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1468 transitions. [2020-07-20 00:57:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 00:57:02,197 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:02,197 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:02,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 00:57:02,197 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:02,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:02,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1619413127, now seen corresponding path program 1 times [2020-07-20 00:57:02,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:02,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690031194] [2020-07-20 00:57:02,199 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d8b39fb [2020-07-20 00:57:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,463 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 00:57:02,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690031194] [2020-07-20 00:57:02,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:02,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 00:57:02,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273931124] [2020-07-20 00:57:02,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 00:57:02,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:02,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 00:57:02,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-20 00:57:02,612 INFO L87 Difference]: Start difference. First operand 1215 states and 1468 transitions. Second operand 10 states. [2020-07-20 00:57:03,691 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:03,979 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 00:57:04,242 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:04,486 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:05,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:05,870 INFO L93 Difference]: Finished difference Result 2855 states and 3863 transitions. [2020-07-20 00:57:05,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 00:57:05,871 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-07-20 00:57:05,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:05,886 INFO L225 Difference]: With dead ends: 2855 [2020-07-20 00:57:05,886 INFO L226 Difference]: Without dead ends: 1668 [2020-07-20 00:57:05,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-20 00:57:05,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2020-07-20 00:57:06,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1255. [2020-07-20 00:57:06,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-07-20 00:57:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1508 transitions. [2020-07-20 00:57:06,213 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1508 transitions. Word has length 98 [2020-07-20 00:57:06,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:06,214 INFO L479 AbstractCegarLoop]: Abstraction has 1255 states and 1508 transitions. [2020-07-20 00:57:06,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 00:57:06,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1508 transitions. [2020-07-20 00:57:06,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 00:57:06,218 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:06,218 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:06,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 00:57:06,219 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:06,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:06,219 INFO L82 PathProgramCache]: Analyzing trace with hash -429974715, now seen corresponding path program 1 times [2020-07-20 00:57:06,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:06,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265751590] [2020-07-20 00:57:06,220 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d8b39fb [2020-07-20 00:57:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,498 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:06,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 00:57:06,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265751590] [2020-07-20 00:57:06,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:06,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 00:57:06,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944117778] [2020-07-20 00:57:06,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 00:57:06,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:06,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 00:57:06,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-20 00:57:06,654 INFO L87 Difference]: Start difference. First operand 1255 states and 1508 transitions. Second operand 12 states. [2020-07-20 00:57:07,168 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:07,422 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:07,657 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:08,378 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:08,640 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:08,885 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:10,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:10,191 INFO L93 Difference]: Finished difference Result 2487 states and 3257 transitions. [2020-07-20 00:57:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 00:57:10,191 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 98 [2020-07-20 00:57:10,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:10,201 INFO L225 Difference]: With dead ends: 2487 [2020-07-20 00:57:10,201 INFO L226 Difference]: Without dead ends: 1260 [2020-07-20 00:57:10,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-20 00:57:10,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2020-07-20 00:57:10,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 983. [2020-07-20 00:57:10,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 983 states. [2020-07-20 00:57:10,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1152 transitions. [2020-07-20 00:57:10,442 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1152 transitions. Word has length 98 [2020-07-20 00:57:10,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:10,443 INFO L479 AbstractCegarLoop]: Abstraction has 983 states and 1152 transitions. [2020-07-20 00:57:10,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 00:57:10,443 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1152 transitions. [2020-07-20 00:57:10,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-20 00:57:10,447 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:10,448 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:10,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 00:57:10,448 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:10,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:10,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1139994370, now seen corresponding path program 1 times [2020-07-20 00:57:10,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:10,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955353856] [2020-07-20 00:57:10,449 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d8b39fb [2020-07-20 00:57:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:10,775 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:11,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 00:57:11,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955353856] [2020-07-20 00:57:11,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347115177] [2020-07-20 00:57:11,136 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@13f86004 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 00:57:11,906 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@13f86004 issued 4 check-sat command(s) [2020-07-20 00:57:11,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 00:57:11,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 00:57:11,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 00:57:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:12,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 00:57:12,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-20 00:57:12,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613925063] [2020-07-20 00:57:12,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:57:12,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:12,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:57:12,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-20 00:57:12,173 INFO L87 Difference]: Start difference. First operand 983 states and 1152 transitions. Second operand 8 states. [2020-07-20 00:57:12,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:12,796 INFO L93 Difference]: Finished difference Result 1916 states and 2258 transitions. [2020-07-20 00:57:12,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 00:57:12,797 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2020-07-20 00:57:12,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:12,802 INFO L225 Difference]: With dead ends: 1916 [2020-07-20 00:57:12,802 INFO L226 Difference]: Without dead ends: 961 [2020-07-20 00:57:12,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-20 00:57:12,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2020-07-20 00:57:13,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 961. [2020-07-20 00:57:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2020-07-20 00:57:13,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1105 transitions. [2020-07-20 00:57:13,036 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1105 transitions. Word has length 102 [2020-07-20 00:57:13,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:13,039 INFO L479 AbstractCegarLoop]: Abstraction has 961 states and 1105 transitions. [2020-07-20 00:57:13,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:57:13,039 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1105 transitions. [2020-07-20 00:57:13,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-20 00:57:13,044 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:13,044 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:13,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-20 00:57:13,258 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:13,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:13,258 INFO L82 PathProgramCache]: Analyzing trace with hash -194664218, now seen corresponding path program 1 times [2020-07-20 00:57:13,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:13,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312941012] [2020-07-20 00:57:13,259 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d8b39fb [2020-07-20 00:57:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,618 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:13,797 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 00:57:13,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312941012] [2020-07-20 00:57:13,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037843792] [2020-07-20 00:57:13,798 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3a38a23e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 00:57:14,385 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3a38a23e issued 4 check-sat command(s) [2020-07-20 00:57:14,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 00:57:14,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 00:57:14,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 00:57:14,469 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 00:57:14,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 00:57:14,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2020-07-20 00:57:14,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063642763] [2020-07-20 00:57:14,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 00:57:14,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:14,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 00:57:14,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:57:14,471 INFO L87 Difference]: Start difference. First operand 961 states and 1105 transitions. Second operand 3 states. [2020-07-20 00:57:14,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:14,893 INFO L93 Difference]: Finished difference Result 1408 states and 1641 transitions. [2020-07-20 00:57:14,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 00:57:14,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2020-07-20 00:57:14,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:14,902 INFO L225 Difference]: With dead ends: 1408 [2020-07-20 00:57:14,902 INFO L226 Difference]: Without dead ends: 1405 [2020-07-20 00:57:14,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:57:14,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2020-07-20 00:57:15,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1190. [2020-07-20 00:57:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2020-07-20 00:57:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1383 transitions. [2020-07-20 00:57:15,153 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1383 transitions. Word has length 137 [2020-07-20 00:57:15,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:15,153 INFO L479 AbstractCegarLoop]: Abstraction has 1190 states and 1383 transitions. [2020-07-20 00:57:15,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 00:57:15,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1383 transitions. [2020-07-20 00:57:15,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-07-20 00:57:15,159 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:15,159 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:15,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 00:57:15,372 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:15,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:15,372 INFO L82 PathProgramCache]: Analyzing trace with hash -155772784, now seen corresponding path program 1 times [2020-07-20 00:57:15,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:15,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101836346] [2020-07-20 00:57:15,373 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d8b39fb [2020-07-20 00:57:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 00:57:15,435 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 00:57:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 00:57:15,487 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 00:57:15,677 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-20 00:57:15,677 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 00:57:15,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-20 00:57:15,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:57:15 BoogieIcfgContainer [2020-07-20 00:57:15,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 00:57:15,923 INFO L168 Benchmark]: Toolchain (without parser) took 37411.60 ms. Allocated memory was 143.1 MB in the beginning and 725.6 MB in the end (delta: 582.5 MB). Free memory was 100.1 MB in the beginning and 656.5 MB in the end (delta: -556.4 MB). Peak memory consumption was 611.8 MB. Max. memory is 7.1 GB. [2020-07-20 00:57:15,924 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 00:57:15,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.20 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 99.7 MB in the beginning and 170.9 MB in the end (delta: -71.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-07-20 00:57:15,925 INFO L168 Benchmark]: Boogie Preprocessor took 104.52 ms. Allocated memory is still 201.3 MB. Free memory was 170.9 MB in the beginning and 166.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-20 00:57:15,925 INFO L168 Benchmark]: RCFGBuilder took 1264.14 ms. Allocated memory was 201.3 MB in the beginning and 230.2 MB in the end (delta: 28.8 MB). Free memory was 166.5 MB in the beginning and 196.5 MB in the end (delta: -30.0 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. [2020-07-20 00:57:15,926 INFO L168 Benchmark]: TraceAbstraction took 35370.90 ms. Allocated memory was 230.2 MB in the beginning and 725.6 MB in the end (delta: 495.5 MB). Free memory was 195.1 MB in the beginning and 656.5 MB in the end (delta: -461.5 MB). Peak memory consumption was 619.7 MB. Max. memory is 7.1 GB. [2020-07-20 00:57:15,929 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.20 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 99.7 MB in the beginning and 170.9 MB in the end (delta: -71.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.52 ms. Allocated memory is still 201.3 MB. Free memory was 170.9 MB in the beginning and 166.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1264.14 ms. Allocated memory was 201.3 MB in the beginning and 230.2 MB in the end (delta: 28.8 MB). Free memory was 166.5 MB in the beginning and 196.5 MB in the end (delta: -30.0 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35370.90 ms. Allocated memory was 230.2 MB in the beginning and 725.6 MB in the end (delta: 495.5 MB). Free memory was 195.1 MB in the beginning and 656.5 MB in the end (delta: -461.5 MB). Peak memory consumption was 619.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 946]: 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; [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L507] int cleanupTimeShifts = 4; [L648] int methAndRunningLastTime ; [L757] int pumpRunning = 0; [L758] int systemActive = 1; VAL [\old(cleanupTimeShifts)=173, \old(head)=162, \old(head)=177, \old(methAndRunningLastTime)=166, \old(methaneLevelCritical)=140, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L588] int retValue_acc ; [L589] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L593] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L594] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L595] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L637] int retValue_acc ; [L640] retValue_acc = 1 [L641] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L595] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L595] tmp = valid_product() [L597] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L599] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L600] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L578] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L653] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L578] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L579] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L689] int splverifierCounter ; [L690] int tmp ; [L691] int tmp___0 ; [L692] int tmp___1 ; [L693] int tmp___2 ; [L696] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L698] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L700] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L706] tmp = __VERIFIER_nondet_int() [L708] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L710] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L710] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L716] tmp___0 = __VERIFIER_nondet_int() [L718] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L726] tmp___2 = __VERIFIER_nondet_int() [L728] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___2=1, waterLevel=2] [L743] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L764] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L771] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L773] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L793] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L796] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L798] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L908] int retValue_acc ; [L909] int tmp ; [L910] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L914] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L127] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L914] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L914] tmp = isHighWaterSensorDry() [L916] COND FALSE !(\read(tmp)) [L919] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L921] retValue_acc = tmp___0 [L922] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L798] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L798] tmp = isHighWaterLevel() [L800] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L802] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L827] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L831] CALL, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L852] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L856] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L856] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L856] retValue_acc = isMethaneLevelCritical() [L858] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L831] RET, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L831] tmp = isMethaneAlarm() [L833] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L837] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L821] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L837] RET activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L802] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L773] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L779] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L658] int tmp ; [L659] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L663] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L663] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L663] tmp = isMethaneLevelCritical() [L665] COND FALSE !(\read(tmp)) [L681] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L779] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L743] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___2=1, waterLevel=2] [L698] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___2=1, waterLevel=2] [L700] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___2=1, waterLevel=2] [L706] tmp = __VERIFIER_nondet_int() [L708] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L716] tmp___0 = __VERIFIER_nondet_int() [L718] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___2=1, waterLevel=2] [L720] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L720] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___2=1, waterLevel=2] [L726] tmp___2 = __VERIFIER_nondet_int() [L728] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___2=1, waterLevel=2] [L743] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L764] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L766] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L766] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L771] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L773] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L793] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L796] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L811] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L773] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L779] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L658] int tmp ; [L659] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L663] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L663] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L663] tmp = isMethaneLevelCritical() [L665] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L667] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L863] int retValue_acc ; [L866] retValue_acc = pumpRunning [L867] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L667] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L667] tmp___0 = isPumpRunning() [L669] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L670] COND FALSE !(\read(methAndRunningLastTime)) [L675] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L779] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L743] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___2=1, waterLevel=1] [L698] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___2=1, waterLevel=1] [L700] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___2=1, waterLevel=1] [L706] tmp = __VERIFIER_nondet_int() [L708] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___2=1, waterLevel=1] [L716] tmp___0 = __VERIFIER_nondet_int() [L718] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L726] tmp___2 = __VERIFIER_nondet_int() [L728] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L743] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L764] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L766] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L766] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L771] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L773] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L793] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L796] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L811] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L773] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L779] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L658] int tmp ; [L659] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L663] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L663] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L663] tmp = isMethaneLevelCritical() [L665] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L667] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L863] int retValue_acc ; [L866] retValue_acc = pumpRunning [L867] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L667] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L667] tmp___0 = isPumpRunning() [L669] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L670] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L672] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L946] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 233 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 35.0s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 25.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1296 SDtfs, 2306 SDslu, 2348 SDs, 0 SdLazy, 6031 SolverSat, 1454 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 670 GetRequests, 517 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1255occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 1784 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 1238 NumberOfCodeBlocks, 1238 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1047 ConstructedInterpolants, 0 QuantifiedInterpolants, 322801 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1686 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 71/75 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...