./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product38_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_4bb6793e-7f59-4b9c-bbfd-a34af79024b6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4bb6793e-7f59-4b9c-bbfd-a34af79024b6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4bb6793e-7f59-4b9c-bbfd-a34af79024b6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4bb6793e-7f59-4b9c-bbfd-a34af79024b6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product38_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4bb6793e-7f59-4b9c-bbfd-a34af79024b6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4bb6793e-7f59-4b9c-bbfd-a34af79024b6/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 a0c13a298b8ef5fea6639223509104e0f4da0801 ...................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:59:02,778 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:59:02,778 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:59:02,786 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:59:02,786 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:59:02,787 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:59:02,788 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:59:02,789 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:59:02,790 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:59:02,791 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:59:02,791 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:59:02,791 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:59:02,792 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:59:02,793 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:59:02,794 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:59:02,794 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:59:02,795 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:59:02,796 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:59:02,797 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:59:02,798 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:59:02,799 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:59:02,800 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:59:02,801 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:59:02,801 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:59:02,801 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:59:02,801 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:59:02,802 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:59:02,802 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:59:02,802 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:59:02,803 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:59:02,803 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:59:02,803 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:59:02,803 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:59:02,803 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:59:02,804 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:59:02,804 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:59:02,804 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4bb6793e-7f59-4b9c-bbfd-a34af79024b6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 18:59:02,812 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:59:02,813 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:59:02,813 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:59:02,814 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 18:59:02,814 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:59:02,814 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:59:02,815 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:59:02,815 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:59:02,815 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:59:02,815 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:59:02,815 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:59:02,815 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:59:02,815 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:59:02,816 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:59:02,816 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:59:02,816 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:59:02,816 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:59:02,816 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:59:02,816 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 18:59:02,817 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 18:59:02,817 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:59:02,817 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:59:02,817 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:59:02,817 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:59:02,817 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:59:02,818 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:59:02,818 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 18:59:02,818 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:59:02,818 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:59:02,818 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_4bb6793e-7f59-4b9c-bbfd-a34af79024b6/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 -> a0c13a298b8ef5fea6639223509104e0f4da0801 [2018-12-01 18:59:02,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:59:02,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:59:02,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:59:02,853 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:59:02,853 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:59:02,854 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4bb6793e-7f59-4b9c-bbfd-a34af79024b6/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product38_false-unreach-call_false-termination.cil.c [2018-12-01 18:59:02,894 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4bb6793e-7f59-4b9c-bbfd-a34af79024b6/bin-2019/ukojak/data/a04db6eda/3b19e9f0409b4038b81b0d65b1e933b0/FLAGb57900619 [2018-12-01 18:59:03,248 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:59:03,249 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4bb6793e-7f59-4b9c-bbfd-a34af79024b6/sv-benchmarks/c/product-lines/minepump_spec1_product38_false-unreach-call_false-termination.cil.c [2018-12-01 18:59:03,255 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4bb6793e-7f59-4b9c-bbfd-a34af79024b6/bin-2019/ukojak/data/a04db6eda/3b19e9f0409b4038b81b0d65b1e933b0/FLAGb57900619 [2018-12-01 18:59:03,262 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4bb6793e-7f59-4b9c-bbfd-a34af79024b6/bin-2019/ukojak/data/a04db6eda/3b19e9f0409b4038b81b0d65b1e933b0 [2018-12-01 18:59:03,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:59:03,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:59:03,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:59:03,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:59:03,267 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:59:03,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:59:03" (1/1) ... [2018-12-01 18:59:03,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:59:03, skipping insertion in model container [2018-12-01 18:59:03,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:59:03" (1/1) ... [2018-12-01 18:59:03,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:59:03,297 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:59:03,455 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:59:03,500 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:59:03,550 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:59:03,565 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:59:03,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:59:03 WrapperNode [2018-12-01 18:59:03,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:59:03,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:59:03,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:59:03,567 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:59:03,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:59:03" (1/1) ... [2018-12-01 18:59:03,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:59:03" (1/1) ... [2018-12-01 18:59:03,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:59:03,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:59:03,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:59:03,602 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:59:03,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:59:03" (1/1) ... [2018-12-01 18:59:03,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:59:03" (1/1) ... [2018-12-01 18:59:03,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:59:03" (1/1) ... [2018-12-01 18:59:03,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:59:03" (1/1) ... [2018-12-01 18:59:03,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:59:03" (1/1) ... [2018-12-01 18:59:03,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:59:03" (1/1) ... [2018-12-01 18:59:03,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:59:03" (1/1) ... [2018-12-01 18:59:03,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:59:03,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:59:03,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:59:03,622 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:59:03,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:59:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bb6793e-7f59-4b9c-bbfd-a34af79024b6/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 18:59:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:59:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 18:59:03,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 18:59:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 18:59:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 18:59:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 18:59:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 18:59:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 18:59:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 18:59:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 18:59:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 18:59:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 18:59:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 18:59:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 18:59:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 18:59:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 18:59:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:59:03,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:59:04,115 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:59:04,116 INFO L280 CfgBuilder]: Removed 40 assue(true) statements. [2018-12-01 18:59:04,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:59:04 BoogieIcfgContainer [2018-12-01 18:59:04,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:59:04,117 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 18:59:04,117 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 18:59:04,126 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 18:59:04,126 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:59:04" (1/1) ... [2018-12-01 18:59:04,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:59:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:04,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2018-12-01 18:59:04,160 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2018-12-01 18:59:04,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 18:59:04,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:04,298 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 18:59:04,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:04,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2018-12-01 18:59:04,307 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2018-12-01 18:59:04,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 18:59:04,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:04,358 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 18:59:04,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:04,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2018-12-01 18:59:04,378 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2018-12-01 18:59:04,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:59:04,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:04,452 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 18:59:04,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:04,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 70 states and 100 transitions. [2018-12-01 18:59:04,562 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2018-12-01 18:59:04,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 18:59:04,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:04,600 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 18:59:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:04,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 71 states and 101 transitions. [2018-12-01 18:59:04,609 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2018-12-01 18:59:04,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 18:59:04,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:04,724 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 18:59:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 81 states and 124 transitions. [2018-12-01 18:59:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 124 transitions. [2018-12-01 18:59:05,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 18:59:05,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:05,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 18:59:05,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:05,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2018-12-01 18:59:05,452 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2018-12-01 18:59:05,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 18:59:05,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:05,484 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 18:59:05,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:05,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 87 states and 133 transitions. [2018-12-01 18:59:05,497 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 133 transitions. [2018-12-01 18:59:05,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 18:59:05,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:05,522 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 18:59:05,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:05,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 89 states and 136 transitions. [2018-12-01 18:59:05,533 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2018-12-01 18:59:05,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 18:59:05,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:05,603 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 18:59:05,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:05,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 91 states and 143 transitions. [2018-12-01 18:59:05,677 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 143 transitions. [2018-12-01 18:59:05,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 18:59:05,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:05,874 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 18:59:06,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:06,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 105 states and 178 transitions. [2018-12-01 18:59:06,723 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 178 transitions. [2018-12-01 18:59:06,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 18:59:06,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:06,781 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 18:59:07,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:07,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 105 states and 176 transitions. [2018-12-01 18:59:07,042 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 176 transitions. [2018-12-01 18:59:07,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 18:59:07,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:59:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:59:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:59:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:59:07,231 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2018-12-01 18:59:07,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:59:07 ImpRootNode [2018-12-01 18:59:07,312 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 18:59:07,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:59:07,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:59:07,312 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:59:07,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:59:04" (3/4) ... [2018-12-01 18:59:07,315 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 18:59:07,398 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4bb6793e-7f59-4b9c-bbfd-a34af79024b6/bin-2019/ukojak/witness.graphml [2018-12-01 18:59:07,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:59:07,399 INFO L168 Benchmark]: Toolchain (without parser) took 4134.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.2 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -208.6 MB). Peak memory consumption was 109.6 MB. Max. memory is 11.5 GB. [2018-12-01 18:59:07,400 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:59:07,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-01 18:59:07,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:59:07,401 INFO L168 Benchmark]: Boogie Preprocessor took 19.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:59:07,401 INFO L168 Benchmark]: RCFGBuilder took 494.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.5 MB). Peak memory consumption was 75.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:59:07,401 INFO L168 Benchmark]: CodeCheck took 3194.95 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -125.7 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:59:07,402 INFO L168 Benchmark]: Witness Printer took 86.56 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: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:59:07,403 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, 76 locations, 1 error locations. UNSAFE Result, 3.0s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 51484 SDtfs, 16136 SDslu, 28428 SDs, 0 SdLazy, 28926 SolverSat, 10178 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2506 GetRequests, 2392 SyntacticMatches, 12 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3542 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 302 NumberOfCodeBlocks, 302 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 259 ConstructedInterpolants, 0 QuantifiedInterpolants, 15004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 2/2 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: 837]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L377] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L580] int pumpRunning = 0; [L581] int systemActive = 1; [L843] int waterLevel = 1; [L844] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L767] int splverifierCounter ; [L768] int tmp ; [L769] int tmp___0 ; [L770] int tmp___1 ; [L771] int tmp___2 ; [L774] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L776] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE splverifierCounter < 4 [L784] tmp = __VERIFIER_nondet_int() [L786] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L788] 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 [L788] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L794] tmp___0 = __VERIFIER_nondet_int() [L796] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L798] 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 [L798] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L804] tmp___2 = __VERIFIER_nondet_int() [L806] COND TRUE \read(tmp___2) [L761] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L821] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L587] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L594] COND TRUE \read(systemActive) [L642] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L645] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L660] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L616] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L619] COND TRUE ! pumpRunning [L739] int retValue_acc ; [L740] int tmp ; [L741] int tmp___0 ; [L923] int retValue_acc ; [L926] COND FALSE !(waterLevel < 2) [L930] retValue_acc = 0 [L931] return (retValue_acc); [L745] tmp = isHighWaterSensorDry() [L747] COND FALSE !(\read(tmp)) [L750] tmp___0 = 1 [L752] retValue_acc = tmp___0 [L753] return (retValue_acc); [L621] tmp = isHighWaterLevel() [L623] COND TRUE \read(tmp) [L670] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L660] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L183] int tmp ; [L184] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L188] 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); [L188] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L188] tmp = isMethaneLevelCritical() [L190] COND TRUE \read(tmp) [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); [L192] tmp___0 = isPumpRunning() [L194] 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] [L837] __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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 494.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.5 MB). Peak memory consumption was 75.5 MB. Max. memory is 11.5 GB. * CodeCheck took 3194.95 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -125.7 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. * Witness Printer took 86.56 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: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...