./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product60_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_75c0b404-1e0d-424d-bacc-064dc95a3986/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_75c0b404-1e0d-424d-bacc-064dc95a3986/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_75c0b404-1e0d-424d-bacc-064dc95a3986/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_75c0b404-1e0d-424d-bacc-064dc95a3986/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product60_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_75c0b404-1e0d-424d-bacc-064dc95a3986/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_75c0b404-1e0d-424d-bacc-064dc95a3986/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 fddb6b0f0f2a5c528e066b10e7f7ba2c13018b92 ................................................................................................................................................................................................................................................................................................................................................................. 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 21:57:44,722 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 21:57:44,724 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 21:57:44,732 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 21:57:44,732 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 21:57:44,733 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 21:57:44,734 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 21:57:44,735 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 21:57:44,736 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 21:57:44,736 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 21:57:44,737 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 21:57:44,737 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 21:57:44,738 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 21:57:44,738 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 21:57:44,739 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 21:57:44,740 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 21:57:44,740 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 21:57:44,741 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 21:57:44,743 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 21:57:44,744 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 21:57:44,744 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 21:57:44,745 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 21:57:44,747 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 21:57:44,747 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 21:57:44,747 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 21:57:44,747 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 21:57:44,748 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 21:57:44,748 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 21:57:44,748 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 21:57:44,749 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 21:57:44,749 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 21:57:44,749 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 21:57:44,749 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 21:57:44,749 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 21:57:44,750 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 21:57:44,750 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 21:57:44,750 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_75c0b404-1e0d-424d-bacc-064dc95a3986/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 21:57:44,758 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 21:57:44,758 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 21:57:44,758 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 21:57:44,758 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 21:57:44,759 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 21:57:44,759 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 21:57:44,759 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 21:57:44,759 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 21:57:44,759 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 21:57:44,759 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 21:57:44,759 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 21:57:44,759 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 21:57:44,759 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 21:57:44,759 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 21:57:44,759 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 21:57:44,759 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 21:57:44,760 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 21:57:44,760 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 21:57:44,760 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 21:57:44,760 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 21:57:44,760 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 21:57:44,760 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 21:57:44,760 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 21:57:44,760 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 21:57:44,760 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 21:57:44,760 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 21:57:44,760 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 21:57:44,760 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 21:57:44,761 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 21:57:44,761 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_75c0b404-1e0d-424d-bacc-064dc95a3986/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 -> fddb6b0f0f2a5c528e066b10e7f7ba2c13018b92 [2018-12-01 21:57:44,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 21:57:44,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 21:57:44,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 21:57:44,790 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 21:57:44,791 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 21:57:44,791 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_75c0b404-1e0d-424d-bacc-064dc95a3986/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product60_false-unreach-call_false-termination.cil.c [2018-12-01 21:57:44,837 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_75c0b404-1e0d-424d-bacc-064dc95a3986/bin-2019/ukojak/data/8d7f472da/c2aa2b8ccc9f43b98e2fba276aacb25b/FLAG50f4de33d [2018-12-01 21:57:45,289 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 21:57:45,290 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_75c0b404-1e0d-424d-bacc-064dc95a3986/sv-benchmarks/c/product-lines/minepump_spec3_product60_false-unreach-call_false-termination.cil.c [2018-12-01 21:57:45,296 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_75c0b404-1e0d-424d-bacc-064dc95a3986/bin-2019/ukojak/data/8d7f472da/c2aa2b8ccc9f43b98e2fba276aacb25b/FLAG50f4de33d [2018-12-01 21:57:45,305 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_75c0b404-1e0d-424d-bacc-064dc95a3986/bin-2019/ukojak/data/8d7f472da/c2aa2b8ccc9f43b98e2fba276aacb25b [2018-12-01 21:57:45,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 21:57:45,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 21:57:45,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 21:57:45,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 21:57:45,310 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 21:57:45,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:57:45" (1/1) ... [2018-12-01 21:57:45,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:57:45, skipping insertion in model container [2018-12-01 21:57:45,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:57:45" (1/1) ... [2018-12-01 21:57:45,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 21:57:45,338 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 21:57:45,485 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 21:57:45,524 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 21:57:45,576 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 21:57:45,592 INFO L195 MainTranslator]: Completed translation [2018-12-01 21:57:45,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:57:45 WrapperNode [2018-12-01 21:57:45,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 21:57:45,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 21:57:45,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 21:57:45,593 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 21:57:45,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:57:45" (1/1) ... [2018-12-01 21:57:45,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:57:45" (1/1) ... [2018-12-01 21:57:45,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 21:57:45,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 21:57:45,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 21:57:45,624 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 21:57:45,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:57:45" (1/1) ... [2018-12-01 21:57:45,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:57:45" (1/1) ... [2018-12-01 21:57:45,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:57:45" (1/1) ... [2018-12-01 21:57:45,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:57:45" (1/1) ... [2018-12-01 21:57:45,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:57:45" (1/1) ... [2018-12-01 21:57:45,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:57:45" (1/1) ... [2018-12-01 21:57:45,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:57:45" (1/1) ... [2018-12-01 21:57:45,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 21:57:45,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 21:57:45,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 21:57:45,642 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 21:57:45,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:57:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_75c0b404-1e0d-424d-bacc-064dc95a3986/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 21:57:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 21:57:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 21:57:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 21:57:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 21:57:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 21:57:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 21:57:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 21:57:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 21:57:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 21:57:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 21:57:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 21:57:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 21:57:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 21:57:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 21:57:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 21:57:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 21:57:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 21:57:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 21:57:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 21:57:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 21:57:46,073 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 21:57:46,073 INFO L280 CfgBuilder]: Removed 48 assue(true) statements. [2018-12-01 21:57:46,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:57:46 BoogieIcfgContainer [2018-12-01 21:57:46,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 21:57:46,074 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 21:57:46,074 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 21:57:46,080 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 21:57:46,080 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:57:46" (1/1) ... [2018-12-01 21:57:46,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 21:57:46,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:46,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2018-12-01 21:57:46,111 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2018-12-01 21:57:46,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 21:57:46,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:46,219 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 21:57:46,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:46,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2018-12-01 21:57:46,227 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2018-12-01 21:57:46,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 21:57:46,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:46,269 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 21:57:46,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:46,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2018-12-01 21:57:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2018-12-01 21:57:46,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 21:57:46,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:46,325 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 21:57:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:46,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2018-12-01 21:57:46,349 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2018-12-01 21:57:46,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 21:57:46,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:46,371 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 21:57:46,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:46,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 77 states and 110 transitions. [2018-12-01 21:57:46,427 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2018-12-01 21:57:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 21:57:46,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:46,460 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 21:57:46,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:46,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 78 states and 111 transitions. [2018-12-01 21:57:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2018-12-01 21:57:46,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 21:57:46,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:46,495 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 21:57:46,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:46,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 79 states and 112 transitions. [2018-12-01 21:57:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 112 transitions. [2018-12-01 21:57:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 21:57:46,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:46,586 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 21:57:46,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:46,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 97 states and 153 transitions. [2018-12-01 21:57:46,858 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2018-12-01 21:57:46,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 21:57:46,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:46,904 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 21:57:47,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:47,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 101 states and 166 transitions. [2018-12-01 21:57:47,018 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 166 transitions. [2018-12-01 21:57:47,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 21:57:47,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:47,040 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 21:57:47,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:47,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 106 states and 176 transitions. [2018-12-01 21:57:47,130 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 176 transitions. [2018-12-01 21:57:47,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 21:57:47,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:57:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:57:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:57:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:57:47,296 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2018-12-01 21:57:47,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 09:57:47 ImpRootNode [2018-12-01 21:57:47,376 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 21:57:47,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 21:57:47,377 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 21:57:47,377 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 21:57:47,377 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:57:46" (3/4) ... [2018-12-01 21:57:47,379 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 21:57:47,444 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_75c0b404-1e0d-424d-bacc-064dc95a3986/bin-2019/ukojak/witness.graphml [2018-12-01 21:57:47,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 21:57:47,445 INFO L168 Benchmark]: Toolchain (without parser) took 2138.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -52.9 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. [2018-12-01 21:57:47,446 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 21:57:47,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -134.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-01 21:57:47,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 21:57:47,447 INFO L168 Benchmark]: Boogie Preprocessor took 18.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 21:57:47,447 INFO L168 Benchmark]: RCFGBuilder took 431.39 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: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. [2018-12-01 21:57:47,447 INFO L168 Benchmark]: CodeCheck took 1302.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 21:57:47,448 INFO L168 Benchmark]: Witness Printer took 67.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-12-01 21:57:47,449 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 9 procedures, 90 locations, 1 error locations. UNSAFE Result, 1.2s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12184 SDtfs, 2530 SDslu, 4446 SDs, 0 SdLazy, 3542 SolverSat, 1174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1694 GetRequests, 1652 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 9814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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: 769]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L124] int pumpRunning = 0; [L125] int systemActive = 1; [L568] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L812] int waterLevel = 1; [L813] int methaneLevelCritical = 0; [L915] int cleanupTimeShifts = 4; [L988] int retValue_acc ; [L989] int tmp ; [L803] int retValue_acc ; [L806] retValue_acc = 1 [L807] return (retValue_acc); [L995] tmp = valid_product() [L997] COND TRUE \read(tmp) [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L56] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L68] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L830] COND TRUE waterLevel < 2 [L831] waterLevel = waterLevel + 1 [L68] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___2)) [L92] tmp___1 = __VERIFIER_nondet_int() [L94] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L343] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L350] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L103] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L132] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L139] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L366] int tmp ; [L367] int tmp___0 ; [L368] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L372] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L851] int retValue_acc ; [L854] retValue_acc = methaneLevelCritical [L855] return (retValue_acc); [L372] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L372] tmp = isMethaneLevelCritical() [L374] COND FALSE !(\read(tmp)) [L883] int retValue_acc ; [L886] retValue_acc = waterLevel [L887] return (retValue_acc); [L378] tmp___0 = getWaterLevel() [L380] COND TRUE tmp___0 == 2 [L257] int retValue_acc ; [L260] retValue_acc = pumpRunning [L261] return (retValue_acc); [L382] tmp___1 = isPumpRunning() [L384] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L769] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -134.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 431.39 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: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. * CodeCheck took 1302.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 67.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...