./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product49_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_aa851d73-b422-47d8-abba-350052a482ce/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aa851d73-b422-47d8-abba-350052a482ce/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aa851d73-b422-47d8-abba-350052a482ce/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aa851d73-b422-47d8-abba-350052a482ce/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product49_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aa851d73-b422-47d8-abba-350052a482ce/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aa851d73-b422-47d8-abba-350052a482ce/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5f66ecd5f6aef5b29bc80dee4a57cabf0f421223 ................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:48:49,993 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:48:49,994 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:48:50,000 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:48:50,000 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:48:50,000 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:48:50,001 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:48:50,002 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:48:50,003 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:48:50,003 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:48:50,004 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:48:50,004 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:48:50,004 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:48:50,005 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:48:50,005 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:48:50,006 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:48:50,006 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:48:50,007 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:48:50,008 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:48:50,009 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:48:50,009 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:48:50,010 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:48:50,011 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:48:50,011 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:48:50,012 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:48:50,012 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:48:50,013 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:48:50,013 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:48:50,014 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:48:50,014 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:48:50,014 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:48:50,015 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:48:50,015 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:48:50,015 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:48:50,015 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:48:50,016 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:48:50,016 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aa851d73-b422-47d8-abba-350052a482ce/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 17:48:50,023 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:48:50,023 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:48:50,024 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:48:50,024 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 17:48:50,024 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:48:50,024 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:48:50,025 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:48:50,025 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:48:50,025 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:48:50,025 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:48:50,025 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:48:50,025 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:48:50,025 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:48:50,025 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:48:50,026 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:48:50,026 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:48:50,026 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:48:50,026 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:48:50,026 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 17:48:50,026 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 17:48:50,026 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:48:50,026 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:48:50,027 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 17:48:50,027 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:48:50,027 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:48:50,027 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:48:50,027 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 17:48:50,027 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:48:50,027 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:48:50,028 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_aa851d73-b422-47d8-abba-350052a482ce/bin-2019/ukojak 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 -> Kojak 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 -> 5f66ecd5f6aef5b29bc80dee4a57cabf0f421223 [2018-12-01 17:48:50,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:48:50,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:48:50,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:48:50,054 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:48:50,054 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:48:50,055 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aa851d73-b422-47d8-abba-350052a482ce/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product49_false-unreach-call_false-termination.cil.c [2018-12-01 17:48:50,088 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa851d73-b422-47d8-abba-350052a482ce/bin-2019/ukojak/data/cf048f23f/da29533452b34d16b65a04956fb712a4/FLAG3e742fa3b [2018-12-01 17:48:50,397 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:48:50,398 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aa851d73-b422-47d8-abba-350052a482ce/sv-benchmarks/c/product-lines/minepump_spec1_product49_false-unreach-call_false-termination.cil.c [2018-12-01 17:48:50,404 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa851d73-b422-47d8-abba-350052a482ce/bin-2019/ukojak/data/cf048f23f/da29533452b34d16b65a04956fb712a4/FLAG3e742fa3b [2018-12-01 17:48:50,411 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aa851d73-b422-47d8-abba-350052a482ce/bin-2019/ukojak/data/cf048f23f/da29533452b34d16b65a04956fb712a4 [2018-12-01 17:48:50,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:48:50,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:48:50,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:48:50,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:48:50,417 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:48:50,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:48:50" (1/1) ... [2018-12-01 17:48:50,419 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 05:48:50, skipping insertion in model container [2018-12-01 17:48:50,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:48:50" (1/1) ... [2018-12-01 17:48:50,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:48:50,443 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:48:50,589 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:48:50,633 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:48:50,678 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:48:50,693 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:48:50,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:50 WrapperNode [2018-12-01 17:48:50,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:48:50,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:48:50,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:48:50,694 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:48:50,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:50" (1/1) ... [2018-12-01 17:48:50,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:50" (1/1) ... [2018-12-01 17:48:50,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:48:50,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:48:50,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:48:50,725 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:48:50,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:50" (1/1) ... [2018-12-01 17:48:50,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:50" (1/1) ... [2018-12-01 17:48:50,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:50" (1/1) ... [2018-12-01 17:48:50,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:50" (1/1) ... [2018-12-01 17:48:50,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:50" (1/1) ... [2018-12-01 17:48:50,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:50" (1/1) ... [2018-12-01 17:48:50,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:50" (1/1) ... [2018-12-01 17:48:50,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:48:50,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:48:50,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:48:50,744 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:48:50,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa851d73-b422-47d8-abba-350052a482ce/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-01 17:48:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 17:48:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 17:48:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 17:48:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 17:48:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 17:48:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 17:48:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 17:48:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 17:48:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 17:48:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 17:48:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 17:48:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 17:48:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 17:48:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 17:48:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 17:48:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 17:48:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:48:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:48:51,212 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:48:51,212 INFO L280 CfgBuilder]: Removed 40 assue(true) statements. [2018-12-01 17:48:51,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:48:51 BoogieIcfgContainer [2018-12-01 17:48:51,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:48:51,213 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 17:48:51,213 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 17:48:51,223 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 17:48:51,223 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:48:51" (1/1) ... [2018-12-01 17:48:51,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:48:51,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:51,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2018-12-01 17:48:51,263 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2018-12-01 17:48:51,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 17:48:51,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:51,402 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 17:48:51,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:51,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2018-12-01 17:48:51,413 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2018-12-01 17:48:51,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 17:48:51,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:51,474 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 17:48:51,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:51,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2018-12-01 17:48:51,487 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2018-12-01 17:48:51,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 17:48:51,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:51,526 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 17:48:51,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:51,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2018-12-01 17:48:51,615 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2018-12-01 17:48:51,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 17:48:51,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:51,654 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 17:48:51,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2018-12-01 17:48:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2018-12-01 17:48:51,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 17:48:51,840 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:51,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:48:51,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:51,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2018-12-01 17:48:51,869 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2018-12-01 17:48:51,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 17:48:51,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:51,892 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 17:48:51,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 76 states and 110 transitions. [2018-12-01 17:48:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2018-12-01 17:48:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 17:48:51,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:51,920 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 17:48:51,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:51,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 77 states and 113 transitions. [2018-12-01 17:48:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2018-12-01 17:48:51,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 17:48:51,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:51,945 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 17:48:51,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2018-12-01 17:48:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2018-12-01 17:48:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 17:48:51,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:52,047 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 17:48:52,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:52,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 93 states and 144 transitions. [2018-12-01 17:48:52,429 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2018-12-01 17:48:52,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 17:48:52,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:52,507 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 17:48:52,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:52,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 95 states and 150 transitions. [2018-12-01 17:48:52,592 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 150 transitions. [2018-12-01 17:48:52,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 17:48:52,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:52,614 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 17:48:52,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 151 transitions. [2018-12-01 17:48:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2018-12-01 17:48:52,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 17:48:52,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:52,746 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 17:48:53,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:53,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 110 states and 184 transitions. [2018-12-01 17:48:53,426 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 184 transitions. [2018-12-01 17:48:53,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 17:48:53,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:53,479 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 17:48:53,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:53,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 115 states and 193 transitions. [2018-12-01 17:48:53,927 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 193 transitions. [2018-12-01 17:48:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 17:48:53,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 17:48:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 17:48:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 17:48:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 17:48:54,104 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 14 iterations. [2018-12-01 17:48:54,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:48:54 ImpRootNode [2018-12-01 17:48:54,172 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 17:48:54,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:48:54,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:48:54,172 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:48:54,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:48:51" (3/4) ... [2018-12-01 17:48:54,174 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 17:48:54,231 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aa851d73-b422-47d8-abba-350052a482ce/bin-2019/ukojak/witness.graphml [2018-12-01 17:48:54,231 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:48:54,232 INFO L168 Benchmark]: Toolchain (without parser) took 3818.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 272.1 MB). Free memory was 954.9 MB in the beginning and 1.2 GB in the end (delta: -269.9 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2018-12-01 17:48:54,233 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:48:54,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:48:54,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.17 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:48:54,233 INFO L168 Benchmark]: Boogie Preprocessor took 18.65 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 17:48:54,234 INFO L168 Benchmark]: RCFGBuilder took 468.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 11.5 GB. [2018-12-01 17:48:54,234 INFO L168 Benchmark]: CodeCheck took 2958.92 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 157.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -224.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:48:54,234 INFO L168 Benchmark]: Witness Printer took 59.33 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-12-01 17:48:54,236 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 77 locations, 1 error locations. UNSAFE Result, 2.8s OverallTime, 14 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 168256 SDtfs, 62724 SDslu, 104864 SDs, 0 SdLazy, 98348 SolverSat, 28152 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2752 GetRequests, 2642 SyntacticMatches, 2 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4388 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 17401 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 950]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L69] int cleanupTimeShifts = 4; [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L545] int pumpRunning = 0; [L546] int systemActive = 1; [L843] int waterLevel = 1; [L844] int methaneLevelCritical = 0; [L150] int retValue_acc ; [L151] int tmp ; [L833] int retValue_acc ; [L836] retValue_acc = 1 [L837] return (retValue_acc); [L157] tmp = valid_product() [L159] COND TRUE \read(tmp) [L743] int splverifierCounter ; [L744] int tmp ; [L745] int tmp___0 ; [L746] int tmp___1 ; [L747] int tmp___2 ; [L750] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L752] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L754] COND TRUE splverifierCounter < 4 [L760] tmp = __VERIFIER_nondet_int() [L762] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L764] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] COND TRUE waterLevel < 2 [L862] waterLevel = waterLevel + 1 [L764] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L770] tmp___0 = __VERIFIER_nondet_int() [L772] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L774] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L873] COND FALSE !(\read(methaneLevelCritical)) [L876] methaneLevelCritical = 1 [L774] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L780] tmp___2 = __VERIFIER_nondet_int() [L782] COND FALSE !(\read(tmp___2)) [L786] tmp___1 = __VERIFIER_nondet_int() [L788] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L795] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L552] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L559] COND TRUE \read(systemActive) [L607] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L610] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L625] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L581] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L584] COND TRUE ! pumpRunning [L704] int retValue_acc ; [L705] int tmp ; [L706] int tmp___0 ; [L923] int retValue_acc ; [L926] COND FALSE !(waterLevel < 2) [L930] retValue_acc = 0 [L931] return (retValue_acc); [L710] tmp = isHighWaterSensorDry() [L712] COND FALSE !(\read(tmp)) [L715] tmp___0 = 1 [L717] retValue_acc = tmp___0 [L718] return (retValue_acc); [L586] tmp = isHighWaterLevel() [L588] COND TRUE \read(tmp) [L635] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L625] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L44] int tmp ; [L45] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L49] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L882] int retValue_acc ; [L885] retValue_acc = methaneLevelCritical [L886] return (retValue_acc); [L49] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L49] tmp = isMethaneLevelCritical() [L51] COND TRUE \read(tmp) [L659] int retValue_acc ; [L662] retValue_acc = pumpRunning [L663] return (retValue_acc); [L53] tmp___0 = isPumpRunning() [L55] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L950] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.17 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.65 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. * RCFGBuilder took 468.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 11.5 GB. * CodeCheck took 2958.92 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 157.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -224.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 59.33 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...