./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/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 903a1f53bc072e1ab483040d7a35aae5e2bdf412 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-01 10:12:51,448 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 10:12:51,449 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 10:12:51,456 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 10:12:51,456 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 10:12:51,457 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 10:12:51,457 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 10:12:51,458 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 10:12:51,460 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 10:12:51,460 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 10:12:51,461 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 10:12:51,461 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 10:12:51,461 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 10:12:51,462 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 10:12:51,462 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 10:12:51,463 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 10:12:51,463 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 10:12:51,464 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 10:12:51,465 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 10:12:51,466 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 10:12:51,466 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 10:12:51,467 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 10:12:51,468 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 10:12:51,469 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 10:12:51,469 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 10:12:51,469 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 10:12:51,470 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 10:12:51,470 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 10:12:51,470 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 10:12:51,471 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 10:12:51,471 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 10:12:51,471 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 10:12:51,471 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 10:12:51,472 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 10:12:51,472 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 10:12:51,472 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 10:12:51,472 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 10:12:51,482 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 10:12:51,482 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 10:12:51,483 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 10:12:51,483 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 10:12:51,483 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 10:12:51,484 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 10:12:51,484 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 10:12:51,484 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 10:12:51,484 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 10:12:51,484 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 10:12:51,484 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 10:12:51,485 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 10:12:51,485 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 10:12:51,485 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 10:12:51,485 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 10:12:51,485 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 10:12:51,485 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 10:12:51,485 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 10:12:51,486 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 10:12:51,486 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 10:12:51,486 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 10:12:51,486 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 10:12:51,486 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 10:12:51,486 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 10:12:51,487 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 10:12:51,487 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 10:12:51,487 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 10:12:51,487 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 10:12:51,487 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 10:12:51,487 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 10:12:51,487 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_913839ab-44e4-4fc1-9151-e4d74d165851/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 -> 903a1f53bc072e1ab483040d7a35aae5e2bdf412 [2018-12-01 10:12:51,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 10:12:51,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 10:12:51,522 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 10:12:51,523 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 10:12:51,523 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 10:12:51,524 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c [2018-12-01 10:12:51,566 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/bin-2019/uautomizer/data/d5e956c79/2f53b3b49cc541aaa089296509c136d2/FLAG13d3b4486 [2018-12-01 10:12:51,981 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 10:12:51,982 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/sv-benchmarks/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c [2018-12-01 10:12:51,988 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/bin-2019/uautomizer/data/d5e956c79/2f53b3b49cc541aaa089296509c136d2/FLAG13d3b4486 [2018-12-01 10:12:51,998 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/bin-2019/uautomizer/data/d5e956c79/2f53b3b49cc541aaa089296509c136d2 [2018-12-01 10:12:52,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 10:12:52,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 10:12:52,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 10:12:52,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 10:12:52,005 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 10:12:52,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:12:51" (1/1) ... [2018-12-01 10:12:52,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:52, skipping insertion in model container [2018-12-01 10:12:52,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:12:51" (1/1) ... [2018-12-01 10:12:52,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 10:12:52,042 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 10:12:52,258 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 10:12:52,267 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 10:12:52,314 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 10:12:52,329 INFO L195 MainTranslator]: Completed translation [2018-12-01 10:12:52,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:52 WrapperNode [2018-12-01 10:12:52,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 10:12:52,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 10:12:52,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 10:12:52,330 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 10:12:52,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:52" (1/1) ... [2018-12-01 10:12:52,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:52" (1/1) ... [2018-12-01 10:12:52,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 10:12:52,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 10:12:52,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 10:12:52,352 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 10:12:52,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:52" (1/1) ... [2018-12-01 10:12:52,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:52" (1/1) ... [2018-12-01 10:12:52,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:52" (1/1) ... [2018-12-01 10:12:52,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:52" (1/1) ... [2018-12-01 10:12:52,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:52" (1/1) ... [2018-12-01 10:12:52,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:52" (1/1) ... [2018-12-01 10:12:52,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:52" (1/1) ... [2018-12-01 10:12:52,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 10:12:52,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 10:12:52,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 10:12:52,372 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 10:12:52,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/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 [2018-12-01 10:12:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 10:12:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 10:12:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-01 10:12:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-01 10:12:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 10:12:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 10:12:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 10:12:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 10:12:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 10:12:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 10:12:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 10:12:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 10:12:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 10:12:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 10:12:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 10:12:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 10:12:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 10:12:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 10:12:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 10:12:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-01 10:12:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-01 10:12:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 10:12:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 10:12:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 10:12:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 10:12:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 10:12:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 10:12:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 10:12:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 10:12:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 10:12:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 10:12:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 10:12:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 10:12:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 10:12:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 10:12:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 10:12:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 10:12:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 10:12:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 10:12:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 10:12:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 10:12:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 10:12:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 10:12:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 10:12:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 10:12:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 10:12:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 10:12:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 10:12:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 10:12:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 10:12:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 10:12:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 10:12:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 10:12:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 10:12:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 10:12:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 10:12:52,668 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 10:12:52,668 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 10:12:52,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:12:52 BoogieIcfgContainer [2018-12-01 10:12:52,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 10:12:52,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 10:12:52,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 10:12:52,671 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 10:12:52,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:12:51" (1/3) ... [2018-12-01 10:12:52,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766c712f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:12:52, skipping insertion in model container [2018-12-01 10:12:52,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:52" (2/3) ... [2018-12-01 10:12:52,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766c712f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:12:52, skipping insertion in model container [2018-12-01 10:12:52,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:12:52" (3/3) ... [2018-12-01 10:12:52,673 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product37_false-unreach-call_false-termination.cil.c [2018-12-01 10:12:52,678 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 10:12:52,683 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 10:12:52,691 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 10:12:52,708 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 10:12:52,708 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 10:12:52,708 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 10:12:52,708 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 10:12:52,708 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 10:12:52,708 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 10:12:52,708 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 10:12:52,708 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 10:12:52,709 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 10:12:52,720 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-12-01 10:12:52,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 10:12:52,724 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:12:52,725 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] [2018-12-01 10:12:52,726 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:12:52,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:12:52,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1637265317, now seen corresponding path program 1 times [2018-12-01 10:12:52,731 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:12:52,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:12:52,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:52,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:12:52,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:12:52,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:12:52,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:12:52,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 10:12:52,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 10:12:52,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 10:12:52,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 10:12:52,877 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-12-01 10:12:52,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:12:52,898 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2018-12-01 10:12:52,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 10:12:52,899 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-01 10:12:52,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:12:52,906 INFO L225 Difference]: With dead ends: 252 [2018-12-01 10:12:52,906 INFO L226 Difference]: Without dead ends: 126 [2018-12-01 10:12:52,908 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 [2018-12-01 10:12:52,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-01 10:12:52,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-12-01 10:12:52,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-12-01 10:12:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-12-01 10:12:52,938 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2018-12-01 10:12:52,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:12:52,938 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-12-01 10:12:52,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 10:12:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-12-01 10:12:52,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 10:12:52,940 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:12:52,940 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] [2018-12-01 10:12:52,940 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:12:52,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:12:52,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1526343538, now seen corresponding path program 1 times [2018-12-01 10:12:52,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:12:52,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:12:52,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:52,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:12:52,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:12:52,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:12:52,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:12:52,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 10:12:52,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 10:12:52,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 10:12:52,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 10:12:52,993 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2018-12-01 10:12:53,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:12:53,005 INFO L93 Difference]: Finished difference Result 201 states and 233 transitions. [2018-12-01 10:12:53,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 10:12:53,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-01 10:12:53,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:12:53,007 INFO L225 Difference]: With dead ends: 201 [2018-12-01 10:12:53,007 INFO L226 Difference]: Without dead ends: 117 [2018-12-01 10:12:53,008 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 [2018-12-01 10:12:53,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-12-01 10:12:53,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-12-01 10:12:53,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-12-01 10:12:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2018-12-01 10:12:53,016 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2018-12-01 10:12:53,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:12:53,016 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2018-12-01 10:12:53,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 10:12:53,016 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2018-12-01 10:12:53,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 10:12:53,017 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:12:53,017 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] [2018-12-01 10:12:53,017 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:12:53,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:12:53,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1560682151, now seen corresponding path program 1 times [2018-12-01 10:12:53,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:12:53,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:12:53,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:53,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:12:53,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:12:53,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:12:53,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:12:53,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 10:12:53,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 10:12:53,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 10:12:53,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 10:12:53,080 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 7 states. [2018-12-01 10:12:53,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:12:53,244 INFO L93 Difference]: Finished difference Result 210 states and 247 transitions. [2018-12-01 10:12:53,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 10:12:53,244 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-01 10:12:53,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:12:53,246 INFO L225 Difference]: With dead ends: 210 [2018-12-01 10:12:53,246 INFO L226 Difference]: Without dead ends: 117 [2018-12-01 10:12:53,247 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 10:12:53,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-12-01 10:12:53,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-12-01 10:12:53,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-12-01 10:12:53,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2018-12-01 10:12:53,258 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 51 [2018-12-01 10:12:53,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:12:53,258 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2018-12-01 10:12:53,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 10:12:53,258 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2018-12-01 10:12:53,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 10:12:53,260 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:12:53,260 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] [2018-12-01 10:12:53,260 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:12:53,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:12:53,260 INFO L82 PathProgramCache]: Analyzing trace with hash 153041462, now seen corresponding path program 1 times [2018-12-01 10:12:53,261 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:12:53,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:12:53,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:53,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:12:53,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:12:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:12:53,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:12:53,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 10:12:53,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 10:12:53,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 10:12:53,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 10:12:53,329 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 5 states. [2018-12-01 10:12:53,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:12:53,588 INFO L93 Difference]: Finished difference Result 304 states and 365 transitions. [2018-12-01 10:12:53,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 10:12:53,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-12-01 10:12:53,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:12:53,589 INFO L225 Difference]: With dead ends: 304 [2018-12-01 10:12:53,590 INFO L226 Difference]: Without dead ends: 211 [2018-12-01 10:12:53,590 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-01 10:12:53,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-12-01 10:12:53,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 193. [2018-12-01 10:12:53,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-12-01 10:12:53,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 219 transitions. [2018-12-01 10:12:53,604 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 219 transitions. Word has length 64 [2018-12-01 10:12:53,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:12:53,605 INFO L480 AbstractCegarLoop]: Abstraction has 193 states and 219 transitions. [2018-12-01 10:12:53,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 10:12:53,605 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 219 transitions. [2018-12-01 10:12:53,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 10:12:53,606 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:12:53,606 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] [2018-12-01 10:12:53,606 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:12:53,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:12:53,606 INFO L82 PathProgramCache]: Analyzing trace with hash -2097946015, now seen corresponding path program 1 times [2018-12-01 10:12:53,606 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:12:53,606 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:12:53,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:53,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:12:53,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:12:53,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:12:53,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:12:53,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-01 10:12:53,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 10:12:53,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 10:12:53,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-01 10:12:53,691 INFO L87 Difference]: Start difference. First operand 193 states and 219 transitions. Second operand 10 states. [2018-12-01 10:12:53,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:12:53,943 INFO L93 Difference]: Finished difference Result 612 states and 763 transitions. [2018-12-01 10:12:53,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-01 10:12:53,943 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2018-12-01 10:12:53,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:12:53,946 INFO L225 Difference]: With dead ends: 612 [2018-12-01 10:12:53,947 INFO L226 Difference]: Without dead ends: 443 [2018-12-01 10:12:53,948 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-01 10:12:53,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-12-01 10:12:53,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2018-12-01 10:12:53,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2018-12-01 10:12:53,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 511 transitions. [2018-12-01 10:12:53,981 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 511 transitions. Word has length 78 [2018-12-01 10:12:53,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:12:53,981 INFO L480 AbstractCegarLoop]: Abstraction has 433 states and 511 transitions. [2018-12-01 10:12:53,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 10:12:53,981 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 511 transitions. [2018-12-01 10:12:53,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-01 10:12:53,984 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:12:53,985 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:12:53,985 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:12:53,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:12:53,985 INFO L82 PathProgramCache]: Analyzing trace with hash -2059747388, now seen corresponding path program 1 times [2018-12-01 10:12:53,985 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:12:53,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:12:53,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:53,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:12:53,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:12:54,048 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 10:12:54,048 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 10:12:54,048 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 10:12:54,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:12:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:12:54,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 10:12:54,163 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 10:12:54,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 10:12:54,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-12-01 10:12:54,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 10:12:54,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 10:12:54,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 10:12:54,180 INFO L87 Difference]: Start difference. First operand 433 states and 511 transitions. Second operand 6 states. [2018-12-01 10:12:54,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:12:54,217 INFO L93 Difference]: Finished difference Result 857 states and 1033 transitions. [2018-12-01 10:12:54,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 10:12:54,217 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-12-01 10:12:54,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:12:54,219 INFO L225 Difference]: With dead ends: 857 [2018-12-01 10:12:54,219 INFO L226 Difference]: Without dead ends: 448 [2018-12-01 10:12:54,220 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-01 10:12:54,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2018-12-01 10:12:54,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2018-12-01 10:12:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-12-01 10:12:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 527 transitions. [2018-12-01 10:12:54,237 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 527 transitions. Word has length 126 [2018-12-01 10:12:54,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:12:54,238 INFO L480 AbstractCegarLoop]: Abstraction has 448 states and 527 transitions. [2018-12-01 10:12:54,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 10:12:54,238 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 527 transitions. [2018-12-01 10:12:54,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 10:12:54,239 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:12:54,240 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:12:54,240 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:12:54,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:12:54,240 INFO L82 PathProgramCache]: Analyzing trace with hash 785140870, now seen corresponding path program 1 times [2018-12-01 10:12:54,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:12:54,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:12:54,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:54,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:12:54,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:12:54,306 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 10:12:54,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 10:12:54,306 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 10:12:54,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:12:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:12:54,387 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 10:12:54,487 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:12:54,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 10:12:54,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2018-12-01 10:12:54,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 10:12:54,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 10:12:54,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-12-01 10:12:54,504 INFO L87 Difference]: Start difference. First operand 448 states and 527 transitions. Second operand 14 states. [2018-12-01 10:12:55,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:12:55,495 INFO L93 Difference]: Finished difference Result 1135 states and 1507 transitions. [2018-12-01 10:12:55,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-01 10:12:55,495 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 134 [2018-12-01 10:12:55,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:12:55,498 INFO L225 Difference]: With dead ends: 1135 [2018-12-01 10:12:55,498 INFO L226 Difference]: Without dead ends: 711 [2018-12-01 10:12:55,499 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2018-12-01 10:12:55,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2018-12-01 10:12:55,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 642. [2018-12-01 10:12:55,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2018-12-01 10:12:55,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 777 transitions. [2018-12-01 10:12:55,531 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 777 transitions. Word has length 134 [2018-12-01 10:12:55,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:12:55,531 INFO L480 AbstractCegarLoop]: Abstraction has 642 states and 777 transitions. [2018-12-01 10:12:55,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 10:12:55,531 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 777 transitions. [2018-12-01 10:12:55,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 10:12:55,532 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:12:55,532 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:12:55,533 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:12:55,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:12:55,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1820365183, now seen corresponding path program 1 times [2018-12-01 10:12:55,533 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:12:55,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:12:55,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:55,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:12:55,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:12:55,584 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 10:12:55,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:12:55,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 10:12:55,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 10:12:55,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 10:12:55,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 10:12:55,585 INFO L87 Difference]: Start difference. First operand 642 states and 777 transitions. Second operand 9 states. [2018-12-01 10:12:55,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:12:55,887 INFO L93 Difference]: Finished difference Result 1673 states and 2071 transitions. [2018-12-01 10:12:55,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-01 10:12:55,887 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 130 [2018-12-01 10:12:55,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:12:55,892 INFO L225 Difference]: With dead ends: 1673 [2018-12-01 10:12:55,892 INFO L226 Difference]: Without dead ends: 1055 [2018-12-01 10:12:55,894 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-01 10:12:55,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2018-12-01 10:12:55,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1048. [2018-12-01 10:12:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1048 states. [2018-12-01 10:12:55,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1254 transitions. [2018-12-01 10:12:55,928 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1254 transitions. Word has length 130 [2018-12-01 10:12:55,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:12:55,929 INFO L480 AbstractCegarLoop]: Abstraction has 1048 states and 1254 transitions. [2018-12-01 10:12:55,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 10:12:55,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1254 transitions. [2018-12-01 10:12:55,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 10:12:55,930 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:12:55,930 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:12:55,930 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:12:55,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:12:55,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1801494755, now seen corresponding path program 1 times [2018-12-01 10:12:55,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:12:55,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:12:55,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:55,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:12:55,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:12:55,979 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 10:12:55,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:12:55,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 10:12:55,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 10:12:55,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 10:12:55,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 10:12:55,981 INFO L87 Difference]: Start difference. First operand 1048 states and 1254 transitions. Second operand 6 states. [2018-12-01 10:12:56,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:12:56,075 INFO L93 Difference]: Finished difference Result 1069 states and 1277 transitions. [2018-12-01 10:12:56,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 10:12:56,075 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-12-01 10:12:56,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:12:56,078 INFO L225 Difference]: With dead ends: 1069 [2018-12-01 10:12:56,078 INFO L226 Difference]: Without dead ends: 1066 [2018-12-01 10:12:56,079 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 10:12:56,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2018-12-01 10:12:56,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1048. [2018-12-01 10:12:56,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1048 states. [2018-12-01 10:12:56,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1248 transitions. [2018-12-01 10:12:56,110 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1248 transitions. Word has length 134 [2018-12-01 10:12:56,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:12:56,111 INFO L480 AbstractCegarLoop]: Abstraction has 1048 states and 1248 transitions. [2018-12-01 10:12:56,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 10:12:56,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1248 transitions. [2018-12-01 10:12:56,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 10:12:56,112 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:12:56,112 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:12:56,112 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:12:56,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:12:56,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1266980022, now seen corresponding path program 1 times [2018-12-01 10:12:56,113 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:12:56,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:12:56,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:56,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:12:56,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:12:56,187 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 10:12:56,188 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 10:12:56,188 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 10:12:56,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:12:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:12:56,284 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 10:12:56,347 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:12:56,363 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 10:12:56,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-12-01 10:12:56,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-01 10:12:56,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-01 10:12:56,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-01 10:12:56,364 INFO L87 Difference]: Start difference. First operand 1048 states and 1248 transitions. Second operand 15 states. [2018-12-01 10:12:57,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:12:57,138 INFO L93 Difference]: Finished difference Result 2097 states and 2628 transitions. [2018-12-01 10:12:57,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-01 10:12:57,139 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 134 [2018-12-01 10:12:57,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:12:57,142 INFO L225 Difference]: With dead ends: 2097 [2018-12-01 10:12:57,142 INFO L226 Difference]: Without dead ends: 1187 [2018-12-01 10:12:57,144 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2018-12-01 10:12:57,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2018-12-01 10:12:57,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1024. [2018-12-01 10:12:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1024 states. [2018-12-01 10:12:57,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1219 transitions. [2018-12-01 10:12:57,182 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1219 transitions. Word has length 134 [2018-12-01 10:12:57,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:12:57,182 INFO L480 AbstractCegarLoop]: Abstraction has 1024 states and 1219 transitions. [2018-12-01 10:12:57,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-01 10:12:57,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1219 transitions. [2018-12-01 10:12:57,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-01 10:12:57,184 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:12:57,184 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 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] [2018-12-01 10:12:57,184 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:12:57,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:12:57,184 INFO L82 PathProgramCache]: Analyzing trace with hash 673321303, now seen corresponding path program 2 times [2018-12-01 10:12:57,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:12:57,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:12:57,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:57,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:12:57,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:12:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 10:12:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 10:12:57,313 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 10:12:57,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:12:57 BoogieIcfgContainer [2018-12-01 10:12:57,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 10:12:57,464 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 10:12:57,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 10:12:57,464 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 10:12:57,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:12:52" (3/4) ... [2018-12-01 10:12:57,467 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 10:12:57,588 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_913839ab-44e4-4fc1-9151-e4d74d165851/bin-2019/uautomizer/witness.graphml [2018-12-01 10:12:57,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 10:12:57,589 INFO L168 Benchmark]: Toolchain (without parser) took 5588.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-12-01 10:12:57,590 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 10:12:57,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-12-01 10:12:57,590 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 10:12:57,590 INFO L168 Benchmark]: Boogie Preprocessor took 20.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 10:12:57,591 INFO L168 Benchmark]: RCFGBuilder took 296.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-12-01 10:12:57,591 INFO L168 Benchmark]: TraceAbstraction took 4794.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 103.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -142.9 MB). Peak memory consumption was 341.6 MB. Max. memory is 11.5 GB. [2018-12-01 10:12:57,591 INFO L168 Benchmark]: Witness Printer took 124.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 58.8 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. [2018-12-01 10:12:57,592 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 296.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4794.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 103.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -142.9 MB). Peak memory consumption was 341.6 MB. Max. memory is 11.5 GB. * Witness Printer took 124.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 58.8 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 434]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L155] int pumpRunning = 0; [L156] int systemActive = 1; [L334] int cleanupTimeShifts = 4; [L440] int waterLevel = 1; [L441] int methaneLevelCritical = 0; [L703] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L407] int retValue_acc ; [L408] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L412] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L413] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L414] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L414] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L414] tmp = valid_product() [L416] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L418] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L419] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L83] int splverifierCounter ; [L84] int tmp ; [L85] int tmp___0 ; [L86] int tmp___1 ; [L87] int tmp___2 ; [L90] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L92] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L94] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L100] tmp = __VERIFIER_nondet_int() [L102] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L104] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L458] COND TRUE waterLevel < 2 [L459] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L104] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L135] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L163] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L170] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L218] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L221] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L236] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L192] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L195] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L315] int retValue_acc ; [L316] int tmp ; [L317] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L321] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L520] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L523] COND FALSE !(waterLevel < 2) [L527] retValue_acc = 0 [L528] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L321] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L321] tmp = isHighWaterSensorDry() [L323] COND FALSE !(\read(tmp)) [L326] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L328] retValue_acc = tmp___0 [L329] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L197] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] tmp = isHighWaterLevel() [L199] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L201] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L246] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L201] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L236] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L172] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L178] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L901] int tmp ; [L902] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L906] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L906] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L906] tmp = getWaterLevel() [L908] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L178] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L135] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L92] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L94] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L100] tmp = __VERIFIER_nondet_int() [L102] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L135] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L163] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L165] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L446] COND TRUE waterLevel > 0 [L447] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L165] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L170] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L172] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L218] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L221] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L223] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L259] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L263] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L479] int retValue_acc ; [L482] retValue_acc = methaneLevelCritical [L483] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L263] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L263] retValue_acc = isMethaneLevelCritical() [L265] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L223] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L223] tmp = isMethaneAlarm() [L225] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L231] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L192] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L195] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L210] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L231] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L172] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L178] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L901] int tmp ; [L902] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L906] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L906] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L906] tmp = getWaterLevel() [L908] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L178] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L135] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L92] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L94] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L100] tmp = __VERIFIER_nondet_int() [L102] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L135] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L163] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L165] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L446] COND TRUE waterLevel > 0 [L447] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L165] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L170] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L172] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L218] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L221] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L223] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L259] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L263] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L479] int retValue_acc ; [L482] retValue_acc = methaneLevelCritical [L483] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L263] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L263] retValue_acc = isMethaneLevelCritical() [L265] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L223] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L223] tmp = isMethaneAlarm() [L225] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L231] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L192] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L195] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L210] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L231] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L172] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L178] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L901] int tmp ; [L902] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L906] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L906] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L906] tmp = getWaterLevel() [L908] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L910] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L270] int retValue_acc ; [L273] retValue_acc = pumpRunning [L274] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L910] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L910] tmp___0 = isPumpRunning() [L912] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L914] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L434] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 139 locations, 1 error locations. UNSAFE Result, 4.7s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1579 SDtfs, 1810 SDslu, 4724 SDs, 0 SdLazy, 4731 SolverSat, 816 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 544 GetRequests, 428 SyntacticMatches, 3 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1048occurred 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, 10 MinimizatonAttempts, 285 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1523 NumberOfCodeBlocks, 1523 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1325 ConstructedInterpolants, 0 QuantifiedInterpolants, 244853 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2408 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 187/208 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...