./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product36_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7570dd67-291d-440c-866e-b0f2f55d594d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7570dd67-291d-440c-866e-b0f2f55d594d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7570dd67-291d-440c-866e-b0f2f55d594d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7570dd67-291d-440c-866e-b0f2f55d594d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product36_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7570dd67-291d-440c-866e-b0f2f55d594d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7570dd67-291d-440c-866e-b0f2f55d594d/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9eb4b34c09edb6dce3c64c5d30aa92b31214d915 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:16:37,312 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:16:37,313 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:16:37,320 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:16:37,320 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:16:37,321 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:16:37,322 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:16:37,323 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:16:37,324 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:16:37,324 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:16:37,325 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:16:37,325 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:16:37,326 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:16:37,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:16:37,327 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:16:37,328 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:16:37,328 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:16:37,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:16:37,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:16:37,332 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:16:37,333 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:16:37,333 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:16:37,335 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:16:37,335 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:16:37,335 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:16:37,336 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:16:37,336 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:16:37,337 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:16:37,338 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:16:37,338 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:16:37,338 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:16:37,339 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:16:37,339 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:16:37,339 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:16:37,340 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:16:37,340 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:16:37,341 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7570dd67-291d-440c-866e-b0f2f55d594d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:16:37,350 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:16:37,350 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:16:37,351 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:16:37,351 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:16:37,351 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:16:37,351 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:16:37,352 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:16:37,352 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:16:37,352 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:16:37,352 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:16:37,352 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:16:37,352 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:16:37,352 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:16:37,352 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:16:37,353 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:16:37,353 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:16:37,353 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:16:37,353 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:16:37,353 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:16:37,353 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:16:37,353 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:16:37,354 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:16:37,354 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:16:37,354 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:16:37,354 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:16:37,354 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:16:37,354 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:16:37,354 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:16:37,354 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:16:37,354 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:16:37,354 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_7570dd67-291d-440c-866e-b0f2f55d594d/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9eb4b34c09edb6dce3c64c5d30aa92b31214d915 [2018-11-28 12:16:37,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:16:37,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:16:37,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:16:37,388 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:16:37,388 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:16:37,388 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7570dd67-291d-440c-866e-b0f2f55d594d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product36_false-unreach-call_false-termination.cil.c [2018-11-28 12:16:37,426 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7570dd67-291d-440c-866e-b0f2f55d594d/bin-2019/uautomizer/data/0c37b8a71/c4d543654576425aaf61627e50f5f54c/FLAG91c33a746 [2018-11-28 12:16:37,838 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:16:37,839 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7570dd67-291d-440c-866e-b0f2f55d594d/sv-benchmarks/c/product-lines/minepump_spec1_product36_false-unreach-call_false-termination.cil.c [2018-11-28 12:16:37,845 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7570dd67-291d-440c-866e-b0f2f55d594d/bin-2019/uautomizer/data/0c37b8a71/c4d543654576425aaf61627e50f5f54c/FLAG91c33a746 [2018-11-28 12:16:37,854 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7570dd67-291d-440c-866e-b0f2f55d594d/bin-2019/uautomizer/data/0c37b8a71/c4d543654576425aaf61627e50f5f54c [2018-11-28 12:16:37,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:16:37,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:16:37,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:16:37,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:16:37,860 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:16:37,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:16:37" (1/1) ... [2018-11-28 12:16:37,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d835ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:37, skipping insertion in model container [2018-11-28 12:16:37,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:16:37" (1/1) ... [2018-11-28 12:16:37,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:16:37,896 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:16:38,069 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:16:38,079 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:16:38,180 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:16:38,197 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:16:38,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:38 WrapperNode [2018-11-28 12:16:38,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:16:38,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:16:38,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:16:38,198 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:16:38,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:38" (1/1) ... [2018-11-28 12:16:38,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:38" (1/1) ... [2018-11-28 12:16:38,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:16:38,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:16:38,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:16:38,220 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:16:38,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:38" (1/1) ... [2018-11-28 12:16:38,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:38" (1/1) ... [2018-11-28 12:16:38,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:38" (1/1) ... [2018-11-28 12:16:38,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:38" (1/1) ... [2018-11-28 12:16:38,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:38" (1/1) ... [2018-11-28 12:16:38,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:38" (1/1) ... [2018-11-28 12:16:38,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:38" (1/1) ... [2018-11-28 12:16:38,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:16:38,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:16:38,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:16:38,245 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:16:38,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7570dd67-291d-440c-866e-b0f2f55d594d/bin-2019/uautomizer/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 [2018-11-28 12:16:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:16:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:16:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:16:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:16:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 12:16:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 12:16:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:16:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:16:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:16:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:16:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:16:38,282 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:16:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:16:38,282 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:16:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:16:38,282 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:16:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:16:38,282 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:16:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:16:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:16:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:16:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:16:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:16:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:16:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:16:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:16:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:16:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:16:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:16:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 12:16:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 12:16:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:16:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:16:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:16:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:16:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:16:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:16:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:16:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:16:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:16:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:16:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:16:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:16:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:16:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:16:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:16:38,286 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:16:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:16:38,286 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:16:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:16:38,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:16:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:16:38,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 12:16:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 12:16:38,698 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:16:38,698 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:16:38,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:16:38 BoogieIcfgContainer [2018-11-28 12:16:38,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:16:38,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:16:38,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:16:38,702 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:16:38,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:16:37" (1/3) ... [2018-11-28 12:16:38,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f784a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:16:38, skipping insertion in model container [2018-11-28 12:16:38,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:38" (2/3) ... [2018-11-28 12:16:38,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f784a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:16:38, skipping insertion in model container [2018-11-28 12:16:38,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:16:38" (3/3) ... [2018-11-28 12:16:38,706 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product36_false-unreach-call_false-termination.cil.c [2018-11-28 12:16:38,715 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:16:38,726 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:16:38,737 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:16:38,759 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:16:38,760 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:16:38,760 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:16:38,760 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:16:38,760 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:16:38,760 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:16:38,760 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:16:38,760 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:16:38,761 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:16:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2018-11-28 12:16:38,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 12:16:38,782 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:38,783 INFO L402 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] [2018-11-28 12:16:38,784 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:38,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:38,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1714410462, now seen corresponding path program 1 times [2018-11-28 12:16:38,789 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:38,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:38,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:38,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:38,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:38,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:16:38,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:16:38,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:16:38,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:16:38,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:16:38,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:16:38,981 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2018-11-28 12:16:39,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:39,007 INFO L93 Difference]: Finished difference Result 236 states and 291 transitions. [2018-11-28 12:16:39,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:16:39,008 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 12:16:39,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:39,017 INFO L225 Difference]: With dead ends: 236 [2018-11-28 12:16:39,017 INFO L226 Difference]: Without dead ends: 118 [2018-11-28 12:16:39,019 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:16:39,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-28 12:16:39,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-28 12:16:39,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-28 12:16:39,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 137 transitions. [2018-11-28 12:16:39,056 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 137 transitions. Word has length 46 [2018-11-28 12:16:39,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:39,057 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 137 transitions. [2018-11-28 12:16:39,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:16:39,057 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 137 transitions. [2018-11-28 12:16:39,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:16:39,060 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:39,060 INFO L402 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] [2018-11-28 12:16:39,060 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:39,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:39,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1782450311, now seen corresponding path program 1 times [2018-11-28 12:16:39,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:39,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:39,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:39,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:39,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:16:39,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:16:39,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:16:39,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:16:39,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:16:39,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:16:39,140 INFO L87 Difference]: Start difference. First operand 118 states and 137 transitions. Second operand 3 states. [2018-11-28 12:16:39,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:39,158 INFO L93 Difference]: Finished difference Result 172 states and 199 transitions. [2018-11-28 12:16:39,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:16:39,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 12:16:39,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:39,164 INFO L225 Difference]: With dead ends: 172 [2018-11-28 12:16:39,164 INFO L226 Difference]: Without dead ends: 109 [2018-11-28 12:16:39,164 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:16:39,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-11-28 12:16:39,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-11-28 12:16:39,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-28 12:16:39,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2018-11-28 12:16:39,172 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 47 [2018-11-28 12:16:39,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:39,172 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2018-11-28 12:16:39,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:16:39,172 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2018-11-28 12:16:39,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:16:39,174 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:39,174 INFO L402 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] [2018-11-28 12:16:39,174 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:39,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:39,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1215741066, now seen corresponding path program 1 times [2018-11-28 12:16:39,174 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:39,174 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:39,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:39,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:39,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:16:39,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:16:39,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:16:39,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:16:39,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:16:39,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:16:39,292 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand 7 states. [2018-11-28 12:16:39,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:39,550 INFO L93 Difference]: Finished difference Result 329 states and 395 transitions. [2018-11-28 12:16:39,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:16:39,551 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 12:16:39,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:39,553 INFO L225 Difference]: With dead ends: 329 [2018-11-28 12:16:39,553 INFO L226 Difference]: Without dead ends: 244 [2018-11-28 12:16:39,554 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:16:39,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-11-28 12:16:39,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 220. [2018-11-28 12:16:39,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-28 12:16:39,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 262 transitions. [2018-11-28 12:16:39,590 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 262 transitions. Word has length 52 [2018-11-28 12:16:39,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:39,591 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 262 transitions. [2018-11-28 12:16:39,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:16:39,591 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 262 transitions. [2018-11-28 12:16:39,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 12:16:39,593 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:39,593 INFO L402 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] [2018-11-28 12:16:39,594 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:39,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:39,595 INFO L82 PathProgramCache]: Analyzing trace with hash 448105606, now seen corresponding path program 1 times [2018-11-28 12:16:39,595 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:39,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:39,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:39,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:39,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:39,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:16:39,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:16:39,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:16:39,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:16:39,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:16:39,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:16:39,692 INFO L87 Difference]: Start difference. First operand 220 states and 262 transitions. Second operand 6 states. [2018-11-28 12:16:39,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:39,814 INFO L93 Difference]: Finished difference Result 597 states and 734 transitions. [2018-11-28 12:16:39,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:16:39,815 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-28 12:16:39,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:39,817 INFO L225 Difference]: With dead ends: 597 [2018-11-28 12:16:39,817 INFO L226 Difference]: Without dead ends: 401 [2018-11-28 12:16:39,819 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:16:39,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-11-28 12:16:39,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 395. [2018-11-28 12:16:39,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-11-28 12:16:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 474 transitions. [2018-11-28 12:16:39,857 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 474 transitions. Word has length 57 [2018-11-28 12:16:39,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:39,858 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 474 transitions. [2018-11-28 12:16:39,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:16:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 474 transitions. [2018-11-28 12:16:39,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 12:16:39,861 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:39,861 INFO L402 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] [2018-11-28 12:16:39,861 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:39,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:39,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1768579094, now seen corresponding path program 1 times [2018-11-28 12:16:39,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:39,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:39,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:39,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:39,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:16:39,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:16:39,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:16:39,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:16:39,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:16:39,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:16:39,983 INFO L87 Difference]: Start difference. First operand 395 states and 474 transitions. Second operand 7 states. [2018-11-28 12:16:40,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:40,391 INFO L93 Difference]: Finished difference Result 1050 states and 1351 transitions. [2018-11-28 12:16:40,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 12:16:40,393 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-28 12:16:40,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:40,396 INFO L225 Difference]: With dead ends: 1050 [2018-11-28 12:16:40,397 INFO L226 Difference]: Without dead ends: 679 [2018-11-28 12:16:40,399 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:16:40,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2018-11-28 12:16:40,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 593. [2018-11-28 12:16:40,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2018-11-28 12:16:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 713 transitions. [2018-11-28 12:16:40,450 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 713 transitions. Word has length 61 [2018-11-28 12:16:40,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:40,450 INFO L480 AbstractCegarLoop]: Abstraction has 593 states and 713 transitions. [2018-11-28 12:16:40,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:16:40,451 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 713 transitions. [2018-11-28 12:16:40,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 12:16:40,453 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:40,453 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:40,453 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:40,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:40,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1896487449, now seen corresponding path program 1 times [2018-11-28 12:16:40,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:40,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:40,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:40,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:40,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:16:40,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:16:40,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:16:40,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:16:40,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:16:40,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:16:40,557 INFO L87 Difference]: Start difference. First operand 593 states and 713 transitions. Second operand 6 states. [2018-11-28 12:16:40,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:40,606 INFO L93 Difference]: Finished difference Result 1182 states and 1444 transitions. [2018-11-28 12:16:40,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:16:40,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-11-28 12:16:40,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:40,609 INFO L225 Difference]: With dead ends: 1182 [2018-11-28 12:16:40,609 INFO L226 Difference]: Without dead ends: 613 [2018-11-28 12:16:40,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:16:40,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2018-11-28 12:16:40,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 613. [2018-11-28 12:16:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2018-11-28 12:16:40,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 733 transitions. [2018-11-28 12:16:40,638 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 733 transitions. Word has length 79 [2018-11-28 12:16:40,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:40,639 INFO L480 AbstractCegarLoop]: Abstraction has 613 states and 733 transitions. [2018-11-28 12:16:40,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:16:40,639 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 733 transitions. [2018-11-28 12:16:40,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 12:16:40,641 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:40,641 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:40,641 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:40,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:40,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1387014359, now seen corresponding path program 1 times [2018-11-28 12:16:40,642 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:40,642 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:40,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:40,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:40,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:40,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:16:40,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:16:40,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 12:16:40,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:16:40,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:16:40,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:16:40,729 INFO L87 Difference]: Start difference. First operand 613 states and 733 transitions. Second operand 8 states. [2018-11-28 12:16:40,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:40,765 INFO L93 Difference]: Finished difference Result 1230 states and 1514 transitions. [2018-11-28 12:16:40,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:16:40,767 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2018-11-28 12:16:40,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:40,769 INFO L225 Difference]: With dead ends: 1230 [2018-11-28 12:16:40,769 INFO L226 Difference]: Without dead ends: 641 [2018-11-28 12:16:40,770 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:16:40,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2018-11-28 12:16:40,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 629. [2018-11-28 12:16:40,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2018-11-28 12:16:40,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 749 transitions. [2018-11-28 12:16:40,794 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 749 transitions. Word has length 79 [2018-11-28 12:16:40,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:40,794 INFO L480 AbstractCegarLoop]: Abstraction has 629 states and 749 transitions. [2018-11-28 12:16:40,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:16:40,795 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 749 transitions. [2018-11-28 12:16:40,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 12:16:40,796 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:40,796 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:40,797 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:40,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:40,797 INFO L82 PathProgramCache]: Analyzing trace with hash -623089482, now seen corresponding path program 1 times [2018-11-28 12:16:40,797 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:40,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:40,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:40,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:40,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:40,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:16:40,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:16:40,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:16:40,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:16:40,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:16:40,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:16:40,863 INFO L87 Difference]: Start difference. First operand 629 states and 749 transitions. Second operand 4 states. [2018-11-28 12:16:41,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:41,006 INFO L93 Difference]: Finished difference Result 2071 states and 2588 transitions. [2018-11-28 12:16:41,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:16:41,007 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 79 [2018-11-28 12:16:41,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:41,011 INFO L225 Difference]: With dead ends: 2071 [2018-11-28 12:16:41,012 INFO L226 Difference]: Without dead ends: 1466 [2018-11-28 12:16:41,013 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:16:41,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1466 states. [2018-11-28 12:16:41,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1466 to 1435. [2018-11-28 12:16:41,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1435 states. [2018-11-28 12:16:41,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1743 transitions. [2018-11-28 12:16:41,076 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1743 transitions. Word has length 79 [2018-11-28 12:16:41,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:41,077 INFO L480 AbstractCegarLoop]: Abstraction has 1435 states and 1743 transitions. [2018-11-28 12:16:41,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:16:41,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1743 transitions. [2018-11-28 12:16:41,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 12:16:41,079 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:41,079 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:41,079 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:41,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:41,080 INFO L82 PathProgramCache]: Analyzing trace with hash 132962460, now seen corresponding path program 1 times [2018-11-28 12:16:41,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:41,080 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:41,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:41,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:41,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:41,171 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:16:41,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:16:41 BoogieIcfgContainer [2018-11-28 12:16:41,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:16:41,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:16:41,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:16:41,274 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:16:41,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:16:38" (3/4) ... [2018-11-28 12:16:41,280 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 12:16:41,388 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7570dd67-291d-440c-866e-b0f2f55d594d/bin-2019/uautomizer/witness.graphml [2018-11-28 12:16:41,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:16:41,389 INFO L168 Benchmark]: Toolchain (without parser) took 3533.00 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 225.4 MB). Free memory was 956.0 MB in the beginning and 946.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 235.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:41,390 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:16:41,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:41,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:16:41,391 INFO L168 Benchmark]: Boogie Preprocessor took 24.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:41,391 INFO L168 Benchmark]: RCFGBuilder took 453.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:41,392 INFO L168 Benchmark]: TraceAbstraction took 2573.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.8 MB). Free memory was 1.1 GB in the beginning and 975.0 MB in the end (delta: 97.5 MB). Peak memory consumption was 189.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:41,392 INFO L168 Benchmark]: Witness Printer took 116.05 ms. Allocated memory is still 1.3 GB. Free memory was 975.0 MB in the beginning and 946.5 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:41,394 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 453.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2573.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.8 MB). Free memory was 1.1 GB in the beginning and 975.0 MB in the end (delta: 97.5 MB). Peak memory consumption was 189.3 MB. Max. memory is 11.5 GB. * Witness Printer took 116.05 ms. Allocated memory is still 1.3 GB. Free memory was 975.0 MB in the beginning and 946.5 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L239] int waterLevel = 1; [L240] int methaneLevelCritical = 0; [L610] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L833] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=190, \old(head)=172, \old(head)=199, \old(methaneLevelCritical)=145, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L906] int retValue_acc ; [L907] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L911] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L912] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L913] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] int retValue_acc ; [L435] retValue_acc = 1 [L436] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L913] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L913] tmp = valid_product() [L915] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L917] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L918] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L900] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L335] int splverifierCounter ; [L336] int tmp ; [L337] int tmp___0 ; [L338] int tmp___1 ; [L339] int tmp___2 ; [L342] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L344] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L346] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L352] tmp = __VERIFIER_nondet_int() [L354] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L356] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L257] COND TRUE waterLevel < 2 [L258] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L356] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L366] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L269] COND FALSE !(\read(methaneLevelCritical)) [L272] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L366] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND FALSE !(\read(tmp___2)) [L380] tmp___1 = __VERIFIER_nondet_int() [L382] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L391] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L68] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L75] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L77] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L97] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L100] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L102] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L194] int retValue_acc ; [L195] int tmp ; [L196] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L200] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L319] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L322] COND FALSE !(waterLevel < 2) [L326] retValue_acc = 0 [L327] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L200] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L200] tmp = isHighWaterSensorDry() [L202] COND FALSE !(\read(tmp)) [L205] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L207] retValue_acc = tmp___0 [L208] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L102] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L102] tmp = isHighWaterLevel() [L104] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L106] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L125] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L106] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L77] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L83] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L808] int tmp ; [L809] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L813] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L278] int retValue_acc ; [L281] retValue_acc = methaneLevelCritical [L282] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L813] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L813] tmp = isMethaneLevelCritical() [L815] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L817] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L149] int retValue_acc ; [L152] retValue_acc = pumpRunning [L153] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L817] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L817] tmp___0 = isPumpRunning() [L819] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L821] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 131 locations, 1 error locations. UNSAFE Result, 2.5s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1144 SDtfs, 617 SDslu, 2738 SDs, 0 SdLazy, 762 SolverSat, 109 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1435occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 159 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 583 NumberOfCodeBlocks, 583 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 53148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...