./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3ce332fa-e3f2-4eaf-9642-86c8ede6b92d/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3ce332fa-e3f2-4eaf-9642-86c8ede6b92d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3ce332fa-e3f2-4eaf-9642-86c8ede6b92d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3ce332fa-e3f2-4eaf-9642-86c8ede6b92d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3ce332fa-e3f2-4eaf-9642-86c8ede6b92d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3ce332fa-e3f2-4eaf-9642-86c8ede6b92d/bin/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 45e9be5ff3d2c5f3e04037cd81f89ba3fcf7e541 ........................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-cad4683 [2019-10-22 10:15:47,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:15:47,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:15:47,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:15:47,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:15:47,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:15:47,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:15:47,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:15:47,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:15:47,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:15:47,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:15:47,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:15:47,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:15:47,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:15:47,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:15:47,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:15:47,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:15:47,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:15:47,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:15:47,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:15:47,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:15:47,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:15:47,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:15:47,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:15:47,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:15:47,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:15:47,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:15:47,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:15:47,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:15:47,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:15:47,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:15:47,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:15:47,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:15:47,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:15:47,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:15:47,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:15:47,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:15:47,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:15:47,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:15:47,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:15:47,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:15:47,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3ce332fa-e3f2-4eaf-9642-86c8ede6b92d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:15:47,357 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:15:47,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:15:47,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:15:47,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:15:47,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:15:47,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:15:47,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:15:47,359 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:15:47,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:15:47,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:15:47,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:15:47,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:15:47,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:15:47,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:15:47,360 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:15:47,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:15:47,361 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:15:47,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:15:47,361 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:15:47,361 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:15:47,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:15:47,362 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:15:47,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:15:47,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:15:47,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:15:47,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:15:47,362 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:15:47,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:15:47,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:15:47,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3ce332fa-e3f2-4eaf-9642-86c8ede6b92d/bin/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 -> 45e9be5ff3d2c5f3e04037cd81f89ba3fcf7e541 [2019-10-22 10:15:47,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:15:47,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:15:47,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:15:47,407 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:15:47,407 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:15:47,408 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3ce332fa-e3f2-4eaf-9642-86c8ede6b92d/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c [2019-10-22 10:15:47,457 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ce332fa-e3f2-4eaf-9642-86c8ede6b92d/bin/ukojak/data/a7a66ac98/03d712f70b4645c7b50e5040c688dc4f/FLAG7f7940674 [2019-10-22 10:15:47,895 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:15:47,895 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3ce332fa-e3f2-4eaf-9642-86c8ede6b92d/sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c [2019-10-22 10:15:47,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ce332fa-e3f2-4eaf-9642-86c8ede6b92d/bin/ukojak/data/a7a66ac98/03d712f70b4645c7b50e5040c688dc4f/FLAG7f7940674 [2019-10-22 10:15:48,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3ce332fa-e3f2-4eaf-9642-86c8ede6b92d/bin/ukojak/data/a7a66ac98/03d712f70b4645c7b50e5040c688dc4f [2019-10-22 10:15:48,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:15:48,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:15:48,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:48,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:15:48,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:15:48,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:48" (1/1) ... [2019-10-22 10:15:48,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f760ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:48, skipping insertion in model container [2019-10-22 10:15:48,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:48" (1/1) ... [2019-10-22 10:15:48,275 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:15:48,310 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:15:48,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:48,668 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:15:48,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:48,756 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:15:48,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:48 WrapperNode [2019-10-22 10:15:48,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:48,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:48,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:15:48,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:15:48,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:48" (1/1) ... [2019-10-22 10:15:48,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:48" (1/1) ... [2019-10-22 10:15:48,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:48,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:15:48,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:15:48,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:15:48,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:48" (1/1) ... [2019-10-22 10:15:48,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:48" (1/1) ... [2019-10-22 10:15:48,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:48" (1/1) ... [2019-10-22 10:15:48,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:48" (1/1) ... [2019-10-22 10:15:48,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:48" (1/1) ... [2019-10-22 10:15:48,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:48" (1/1) ... [2019-10-22 10:15:48,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:48" (1/1) ... [2019-10-22 10:15:48,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:15:48,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:15:48,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:15:48,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:15:48,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ce332fa-e3f2-4eaf-9642-86c8ede6b92d/bin/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 [2019-10-22 10:15:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:15:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:15:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:15:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:15:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:15:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:15:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:15:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:15:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:15:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:15:48,921 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:15:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:15:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:15:48,921 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:15:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:15:48,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:15:49,786 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:15:49,786 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:15:49,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:49 BoogieIcfgContainer [2019-10-22 10:15:49,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:15:49,788 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:15:49,788 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:15:49,800 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:15:49,800 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:49" (1/1) ... [2019-10-22 10:15:49,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:15:49,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2019-10-22 10:15:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2019-10-22 10:15:49,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:15:49,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:50,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:50,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2019-10-22 10:15:50,063 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2019-10-22 10:15:50,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:15:50,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:50,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:50,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-10-22 10:15:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-10-22 10:15:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:15:50,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:50,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 87 transitions. [2019-10-22 10:15:50,553 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2019-10-22 10:15:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:15:50,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:50,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2019-10-22 10:15:50,653 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-10-22 10:15:50,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:15:50,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:50,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:51,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 78 states and 121 transitions. [2019-10-22 10:15:51,286 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2019-10-22 10:15:51,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:15:51,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:51,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:51,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 122 transitions. [2019-10-22 10:15:51,358 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2019-10-22 10:15:51,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:15:51,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:51,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:51,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2019-10-22 10:15:51,433 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2019-10-22 10:15:51,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:15:51,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:51,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:51,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:51,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 85 states and 133 transitions. [2019-10-22 10:15:51,520 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 133 transitions. [2019-10-22 10:15:51,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:15:51,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:51,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:51,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 86 states and 134 transitions. [2019-10-22 10:15:51,594 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 134 transitions. [2019-10-22 10:15:51,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:15:51,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:51,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:52,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:52,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 98 states and 163 transitions. [2019-10-22 10:15:52,536 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 163 transitions. [2019-10-22 10:15:52,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:15:52,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:52,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:52,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:52,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 99 states and 163 transitions. [2019-10-22 10:15:52,632 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 163 transitions. [2019-10-22 10:15:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:15:52,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:52,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:52,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:52,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 99 states and 162 transitions. [2019-10-22 10:15:52,790 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 162 transitions. [2019-10-22 10:15:52,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:15:52,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:53,621 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2019-10-22 10:15:53,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:15:53 ImpRootNode [2019-10-22 10:15:53,774 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:15:53,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:15:53,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:15:53,775 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:15:53,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:49" (3/4) ... [2019-10-22 10:15:53,784 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:15:53,900 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3ce332fa-e3f2-4eaf-9642-86c8ede6b92d/bin/ukojak/witness.graphml [2019-10-22 10:15:53,900 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:15:53,902 INFO L168 Benchmark]: Toolchain (without parser) took 5639.27 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.8 MB). Free memory was 941.8 MB in the beginning and 1.2 GB in the end (delta: -288.8 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:53,902 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:53,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -197.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:53,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:53,903 INFO L168 Benchmark]: Boogie Preprocessor took 42.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:53,903 INFO L168 Benchmark]: RCFGBuilder took 935.71 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: 87.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:53,905 INFO L168 Benchmark]: CodeCheck took 3986.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -192.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:53,905 INFO L168 Benchmark]: Witness Printer took 125.51 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: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:53,907 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 46 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.7s, OverallIterations: 13, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 98740 SDtfs, 35758 SDslu, 62392 SDs, 0 SdLazy, 53638 SolverSat, 20156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2418 GetRequests, 2342 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1730 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 13655 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 514]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L313] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L524] int waterLevel = 1; [L525] int methaneLevelCritical = 0; [L689] int pumpRunning = 0; [L690] int systemActive = 1; [L121] int retValue_acc ; [L122] int tmp ; [L902] int retValue_acc ; [L905] retValue_acc = 1 [L906] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L620] int splverifierCounter ; [L621] int tmp ; [L622] int tmp___0 ; [L623] int tmp___1 ; [L624] int tmp___2 ; [L627] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L629] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L631] COND TRUE splverifierCounter < 4 [L637] tmp = __VERIFIER_nondet_int() [L639] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L641] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L542] COND TRUE waterLevel < 2 [L543] waterLevel = waterLevel + 1 [L641] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L647] tmp___0 = __VERIFIER_nondet_int() [L649] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L651] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L554] COND FALSE !(\read(methaneLevelCritical)) [L557] methaneLevelCritical = 1 [L651] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L657] tmp___2 = __VERIFIER_nondet_int() [L659] COND TRUE \read(tmp___2) [L845] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L674] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L697] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L704] COND TRUE \read(systemActive) [L726] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L729] COND TRUE ! pumpRunning [L823] int retValue_acc ; [L824] int tmp ; [L825] int tmp___0 ; [L604] int retValue_acc ; [L607] COND FALSE !(waterLevel < 2) [L611] retValue_acc = 0 [L612] return (retValue_acc); [L829] tmp = isHighWaterSensorDry() [L831] COND FALSE !(\read(tmp)) [L834] tmp___0 = 1 [L836] retValue_acc = tmp___0 [L837] return (retValue_acc); [L731] tmp = isHighWaterLevel() [L733] COND TRUE \read(tmp) [L754] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L851] int tmp ; [L852] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L856] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L563] int retValue_acc ; [L566] retValue_acc = methaneLevelCritical [L567] return (retValue_acc); [L856] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L856] tmp = isMethaneLevelCritical() [L858] COND TRUE \read(tmp) [L778] int retValue_acc ; [L781] retValue_acc = pumpRunning [L782] return (retValue_acc); [L860] tmp___0 = isPumpRunning() [L862] 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] [L514] __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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 494.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -197.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 935.71 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: 87.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 11.5 GB. * CodeCheck took 3986.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -192.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 125.51 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: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...